• Signed and dated informed consent document indicating that the participant (or legally acceptable representative) has been informed of all pertinent aspects of the trial
• All patients age ≥75 years and participants aged 70-74 years who are determined to be unfit or frail by Cumulative Illness Rating Score-Geriatrics (CIRS-G) scale
• For participants aged 70-74 years: CIRS-G score with 5-8 comorbid conditions scored 2 or ≥1 comorbidity scored 3-4. CIRS-G score is to be reviewed by the study PI prior to enrollment.
• Newly diagnosed, untreated, biopsy proven CD20 positive DLBCL (including high grade B-cell lymphoma & T-cell/histiocytic rich large B-cell lymphoma). Participants with discordant bone marrow (i.e. involved by low-grade/indolent NHL) are eligible. Participants with transformed DLBCL from underlying low-grade disease are eligible. Participants with composite DLBCL and concurrent low-grade lymphoma are eligible.
• Copy of pathology report must be sent to coordinating site to confirm diagnosis for eligibility
• Participants with prior treatment for low grade NHL with non-anthracycline based regimens are eligible
• Measurable disease by PET/CT or Bone Marrow (BM) biopsy prior to enrollment
• Left ventricular ejection fraction ≥50% by resting echocardiography or resting Multi-gated acquisition (MUGA) scan
• Karnofsky Performance Score ≥50
• Ann Arbor Stage II bulky, III, or IV disease
• Minimum life expectancy greater than 3 months
• Negative HIV test
• For participants with hepatitis B virus antigen (HbsAg) or core antibody (HbcAb) seropositivity, participants must have a negative Hep B viral load and an appropriate prophylaxis plan must be in place during chemotherapy therapy treatment. For all participants that have Hep B core antibody positive, they should take entecavir prophylaxis (0.5 mg PO daily) until 1 year from completion of chemotherapy. Hep B viral load should be checked on these participants prior to starting chemotherapy and every 3 months thereafter if initial Hep B viral load is negative (+/- 1 week if chemotherapy cycle is delayed). If Hep B viral load is positive, Hepatology or Identification (ID) referral is recommended, and hepatitis B virus (HBV) viral load should be checked monthly
• For participants with hepatitis C Ab (HbcAb) positivity, a viral load must be checked and be negative for enrollment
• Intrathecal chemotherapy for central nervous system prophylaxis only can be given at the discretion of the primary oncologist
• History of previous anthracycline exposure
• Central Nervous System (CNS) or meningeal involvement at diagnosis
• Creatinine Clearance <25 mL/min by body surface area (BSA)-adjusted Cockroft-Gault
• Poor hepatic function, defined as total bilirubin concentration greater than 3.0 mg/dL or transaminases over 4 times the maximum normal concentration, unless these abnormalities are felt to be related to the lymphoma.
• Pulmonary dysfunction defined as >2 L of oxygen required by nasal cannula to maintain peripheral capillary oxygen saturation (SpO2) ≥90% unless felt to be related to underlying lymphoma.
• Myocardial Infarction within 6 months of enrollment
• Active, uncontrolled infectious disease
• Known concurrent bone marrow malignancies (e.g. myelodysplastic syndrome) or poor bone-marrow reserve, defined as neutrophil count less than 1.5×10⁹/L or platelet count less than 100×10⁹/L, unless caused by bone-marrow infiltration with lymphoma
• History of a second concurrent active malignancy or prior malignancy which required chemotherapy treatment within the preceding 2 years
• Treatment with any investigational drug within 30 days before the planned first cycle of chemotherapy
• Unable or unwilling to sign consent

• Availability of an eligible haploidentical donor
• Hematologic malignancy or solid tumor
• Patients with more than one malignancy (hematologic or solid tumor) are eligible
• Patients with hematologic malignancy must have no HLA identical sibling or suitable unrelated donor OR time needed to find an acceptable unrelated donor match would likely result in disease progression such that the patient may become ineligible for any type of potentially curative transplant
• Relapsed or primary therapy-refractory AML with bone marrow blast < 20%
• High-risk refractory or relapsed ALL in patients for whom transplantation is deemed indicated (relapse occurring < 30 months from diagnosis, patients relapsing after previous allogeneic transplant, relapse after 2nd remission, primary induction failure or hypodiploidy)
• Relapsed Hodgkin lymphoma unable to achieve 2nd remission or Very Good Partial Response (VGPR) and therefore ineligible to receive autologous hematopoietic stem cell transplant (auto-HSCT)
• Hodgkin lymphoma relapsing after auto-HSCT
• Primary refractory or relapsed non-Hodgkin lymphoma unable to achieve 2nd remission or VGPR and therefore ineligible to receive auto-HSCT
• Non-Hodgkin lymphoma relapsing after auto-HSCT
• Myelodysplastic Syndrome/Myeloproliferative Syndrome Solid Tumor
• Patients with solid tumor must have failed or have been ineligible to receive auto-HSCT or if auto-HSCT would not offer > 20% chance of cure
• Neuroblastoma
• high risk with relapsed or refractory disease
• Soft tissue sarcomas (Rhabdomyosarcoma, Ewing sarcoma, Primitive Neuroectodermal Tumor or other high-risk extracranial solid tumors)
• Relapsed or primary refractory metastatic
• 1st complete remission, but very high-risk features (i.e., < 20% survival with conventional therapy)
• Osteosarcoma
• Failure to achieve Complete Response (CR) following initial therapy
• Relapsed with pulmonary or bone metastases and did not achieve a CR with surgery and/or chemotherapy
• Karnofsky (patients > 16 years) or Lansky (patients 16 years or older) performance score of ≥ 60
• Life expectancy of ≥ 3 months
• Patient must have fully recovered from acute toxic effects of all prior chemotherapy, immunotherapy, or radiotherapy prior to entering this study
• Study enrollment no earlier than 3 months after preceding HSCT
• Glomerular Filtration Rate (GFR) ≥ 60 ml/min/1.73m2
• Total bilirubin < 3 mg/dL
• ALT (alanine aminotransferase, SCPT) ≤ 5 x Upper LImit of Normal (ULN) for age
• Ejection fraction of > 40% by Multigated Acquisition Scan (MUGA) or echocardiogram
• No evidence of dyspnea at rest
• No supplemental oxygen requirement
• If measured, carbon monoxide diffusion capacity (DLCO) >50%
• No severe peripheral neuropathy, signs of leukoencephalopathy or active Central Nervous System (CNS) infection
• Patients with seizure disorders may be enrolled if seizures are well controlled on anticonvulsant therapy
• If of reproductive potential, negative pregnancy test and willing to use effective birth control method
• Informed consent from patient or legal guardian (if patient is minor) Inclusion Criteria for Donors:
• Donor must be 18 years of age minimum, 65 years of age maximum
• Donor must be in good general health as determined by evaluating medical provider
• Must meet donor criteria for human cells, tissues, and cellular and tissue-based products per Code of Federal Regulations 21 CFR 1271, subpart C. Specifically:
• Donor screening in accordance with 1271.75 indicates that the donor:
• Is free from risk factors for, and clinical evidence of, infection due to relevant communicable disease agents and diseases; and
• Is free from communicable disease risks associated with xenotransplantation; and
• The results of donor testing for relevant communicable disease agents in accordance with 1271.80 and 1271.85 are negative or nonreactive, except as provided in 1271.80(d)(1).
• Haploidentical by HLA-typing
• Preference will be given to donors who demonstrate KIR incompatibility with recipient HLA class I ligands defined as the donor expressing a KIR gene for which the corresponding HLA class I ligand is not expressed by the recipient.
• Negative testing for relevant communicable diseases:
• Hepatitis B surface antigen (HBsAg)
• Hepatitis B core antibody (Anti-HBc)
• Hepatitis C antibody (Anti-HCV)
• HIV 1 & 2 antibody (Anti-HIV-1, 2 plus O)
• HTLV I/II antibody (Anti-HTLV I/II)
• RPR (Syphilis TP)
• CMV (Capture CMV)
• MPX for: HepB (HBV-PCR), HepC (HCV-PCR), HIV (HIV-PCR)
• NAT for West Nile Virus (WNV-PCR)
• T. Cruzi
•EIA (Chagas)
• Pregnant or breast-feeding
• HIV infection
• Heart failure or uncontrolled cardiac rhythm disturbance
• Uncontrolled, Serious Active Infection
• Prior organ allograft
• Significant serious intercurrent illness unrelated to cancer or its treatment not covered by other exclusion criteria expected to significantly increase the risk of HSCT
• Any mental or physical condition, in the opinion of the PI (or PI designee), which could interfere with the ability of the subject (or the only parent or legal guardian available to care for the subject) to understand or adhere to the requirements of the study
• Enrollment in any other clinical study from screening up to Day 100 (unless PI judges such enrollment would not interfere with endpoints of this study) Exclusion Criteria for Donors:
• Lactating females
• Pregnant females

• Written informed consent and HIPAA authorization for release of personal health information. NOTE: HIPAA authorization may be included in the informed consent or obtained separately.
• Age ≥ 18 years at the time of consent.
• ECOG Performance Status of 0, 1 or 2.
• Histologically confirmed diagnosis of classical Hodgkin lymphoma that is relapsed or refractory
•historical biopsy at last relapse is acceptable. NOTE: a repeat biopsy is not required for Phase I if the historical biopsy was performed at the most recent relapse, without remission in between. A fresh biopsy is not required for Phase II.
• Presence of radiographically measurable disease (defined as the presence one or more ≥ 1.5 cm lesions, as measured in the longest dimension by PET/CT) within 4 weeks of study registration.
• Prior therapy with check-point inhibitors (nivolumab, pembrolizumab, others) and subsequent progressive disease, stable disease or mixed response
• Failed at least 2 prior therapies including cytotoxic chemotherapy including ABVD or similar, autologous transplantation, brentuximab vedotin, allogenic transplantation without active graft versus host disease Note: Patients who are eligible and willing to undergo autologous transplant should not be enrolled on this trial
• Prior cancer treatment must be completed at least 14 days prior to registration and the patient must have recovered from all reversible acute toxic effects of the regimen (other than alopecia) to ≤Grade 1 or baseline. Radiation therapy must be completed at least 7 days prior to registration.
• Absolute Neutrophil Count ≥ 1000/μL
• Platelets ≥ 75,000/μL (or ≥50,000/mm3 if known BM involvement)
• Calculated creatinine clearance ≥ 40 cc/min using the Cockcroft-Gault formula
• Bilirubin ≤ 1.5 x upper limit of normal (ULN)
• Aspartate aminotransferase (AST) ≤ 2.5 × ULN
• Alanine aminotransferase (ALT) ≤ 2.5 × ULN
• Females of childbearing potential must have a negative serum pregnancy test within 7 days prior to registration. NOTE: Females are considered of child bearing potential unless they are surgically sterile (have undergone a hysterectomy, bilateral tubal ligation, or bilateral oophorectomy) or they are naturally postmenopausal for at least 12 consecutive months
• Males who are sexually active with partners of child-bearing potential must be willing to abstain from heterosexual activity or adhere to contraception from the time of written consent until 7 months after treatment discontinuation.
• Patient must provide voluntary written informed consent prior to the performance of any research related tests or procedures.
• Pregnant or breastfeeding (NOTE: breast milk cannot be stored for future use while the mother is being treated on study).
• Inability or unwillingness to swallow oral medication or any condition that precludes the administration and/or absorption of oral medications
• A life-threatening illness, medical condition or organ system dysfunction, which in the investigator's opinion, could compromise the patient's safety, interfere with the metabolism of study drugs, or put the study outcomes at undue risk
• Active central nervous system (CNS) involvement by lymphoma
• Uncontrolled cardiovascular disease such as uncontrolled or symptomatic arrhythmias, congestive heart failure, or myocardial infarction or any class 3 or 4 cardiac disease as defined by the New York Heart Association Functional Classification
• Concomitant therapy with immunosuppressive agents, including systemic corticosteroids (doses ≤ 10 mg/day prednisone or equivalent are permitted).
• Has a history of autoimmune disease now or in past 3 years such as hepatitis, nephritis, hyperthyroidism, interstitial lung disease or colitis except vitiligo or alopecia, hypothyroidism (eg, following Hashimoto syndrome) stable on hormone replacement or psoriasis not requiring systemic treatment
• HIV-infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months of registration are eligible for this trial.
• Active Hepatitis B or C infection (defined as a positive Hepatitis B surface antigen (Ag) or detectable viral load by PCR). NOTES: Hepatitis B and C testing is required. Patients with positive Hepatitis B Ag may enroll if PCR is negative. Suppressive antiviral therapy should be considered for these patients as clinically indicated.
• Currently active, clinically significant hepatic impairment Child-Pugh class B or C
• Currently receiving a strong CYP3A4 Inhibitor (such as but not limited to boceprevir clarithromycin, conivaptan, grapefruit juice, indinavir, itraconazole, ketoconazole, lopinavir/ritonavir, mibefradil, nefazodone, nelfinavir, posaconazole, ritonavir, saquinavir, telaprevir, telithromycin, voriconazole) or Fluconazole >200 mg/day. Washout period of 1 week is required.
• History of stroke or intracranial hemorrhage within 6 months of study registration

All Patients
• Previously confirmed (histologically or cytologically) pediatric solid tumor (e.g., neuroblastoma, sarcoma), lymphoma (including Hodgkin's lymphoma), or malignant brain tumors that are clinically or radiographically suspected to be relapsed, refractory, or recurrent for which there are no standard treatment options with curative potential. Note: patients with diffuse intrinsic pontine glioma (DIPG) may enroll without histological or cytological confirmation.
• ≥ 2 years of age and ≤ 25 years of age at time of consent/assent
• If ≥ age 16 years, Karnofsky performance status of ≥ 60. If < age 16 years, Lansky performance status ≥ 60
• Platelets ≥ 75,000/µL (last transfusion, if any, must be at least 1 week prior to study registration, and, unless deemed medically necessary, no transfusions are allowed between registration and dosing)
• Absolute neutrophil count ≥ 750/µL
• Hemoglobin ≥ 8 g/dL (last transfusion must be at least 1 week prior to study registration, and, unless deemed medically necessary, no transfusions are allowed between registration and dosing)
• Using the bedside Schwartz formula, estimated GFR (creatinine clearance) > 60 ml/min/1.73m2
• Alanine aminotransferase < 3 × ULN
• Bilirubin < 2 × ULN
• Patients who have undergone autologous or allogeneic bone marrow transplant must be at least 3 months from transplant.
• Patients enrolling at total dose levels > 30 millicurie (mCi)/m2 must have availability or ability to collect an autologous hematopoietic stem cell back-up product prior to CLR 131 administration. At minimum, 2 x 10^6/kg cryopreserved CD34+ cells must be available.
• Patient or his or her legal representative is judged by the Investigator to have the initiative and means to be compliant with the protocol. Patients with Pediatric Solid Tumor or Lymphoma
• At least 1 measurable lesion with longest diameter of at least 10 mm. Patients with a lesion(s) that are determined to be Metaiodobenzylguanidine (MIBG) or positron emission tomography (PET) positive may be enrolled at the investigator's discretion, even if not associated with a measurable lesion of at least 10 mm. Patients with neuroblastoma who have detectable disease may enroll provided they meet the requirements of the International Neuroblastoma Response Criteria.
• Patients with known brain metastases must have completed any radiotherapy or systemic treatments for brain metastases prior to enrollment; by investigator assessment be considered stable with no new signs or symptoms for at least 1 month, and on a stable dose of steroids (unchanged for three weeks prior to registration or on a steroid tapering regimen). Patients with Recurrent or Refractory Brain Tumors
• At least 1 measurable lesion with longest diameter of at least 10 mm on any imaging sequence.
• Patients with previously known neurological deficits must be clinically stable at time of enrollment and able to complete all study related procedures. Patients with documented or newly diagnosed neurological deficits will be enrolled at the investigator's discretion.
• If patient receives steroids for neurological symptom control, the dose must be stable (unchanged for three weeks prior to registration) or on a steroid tapering regimen. Initiation of steroids per routine care immediately prior to CLR 131 dosing is acceptable.
• Patients receiving active treatment for central nervous system metastases or those that are likely to require active treatment during anticipated participation in this trial. Patients with stable brain metastases treated with steroids may enroll at the investigator's discretion
• For solid tumor and lymphoma patients only, central nervous system involvement unless previously treated with surgery, systemic therapy, or radiotherapy with the patient neurologically stable. Patients with metastatic brain tumors that have been previously treated are allowed, provided the patient is neurologically stable (determined at the investigator's discretion).
• Antitumor therapy or investigational therapy, within 2 weeks of dosing. For certain types of radiation (craniospinal, total abdominal, whole lung [spot irradiation to skull-based metastases is not considered craniospinal radiation for the purposes of this study]), at least 3 months must have elapsed. No washout is required for palliative focal radiation. NOTE: Patients participating in non-interventional clinical trials (i.e., non-drug) are allowed to participate in this trial
• Patients previously treated with iodine-131 (131I)-MIBG who have already received a cumulative I-131 dose > 54 mCi/kg or who would exceed 54 mCi/kg by participating in this trial, are not eligible.

• B-ALL and MPAL patients must be enrolled on APEC14B1 and consented to eligibility studies (Part A) prior to treatment and enrollment on AALL1732. Note that central confirmation of MPAL diagnosis must occur within 22 days of enrollment for suspected MPAL patients. If not performed within this time frame, patients will be taken off protocol.
• APEC14B1 is not a requirement for B-LLy patients but for institutional compliance every patient should be offered participation in APEC14B1. B-LLy patients may directly enroll on AALL1732.
• Patients must be > 365 days and < 25 years of age
• White blood cell count (WBC) criteria for patients with B-ALL (within 7 days prior to the start of protocol-directed systemic therapy):
• Age 1-9.99 years: WBC >= 50,000/uL
• Age 10-24.99 years: Any WBC
• Age 1-9.99 years: WBC < 50,000/uL with:
• Testicular leukemia
• CNS leukemia (CNS3)
• Steroid pretreatment.
• White blood cell count (WBC) criteria for patients with MPAL (within 7 days prior to the start of protocol-directed systemic therapy):
• Age 1-24.99 years: any WBC NOTE: Patients enrolled as suspected MPAL but found on central confirmatory testing to have B-ALL must meet the B-ALL criteria above (age, WBC, extramedullary disease, steroid pretreatment) to switch to the B-ALL stratum before the end of induction.
• Patient has newly diagnosed B-ALL or MPAL (by World Health Organization [WHO] 2016 criteria) with >= 25% blasts on a bone marrow (BM) aspirate;
• OR If a BM aspirate is not obtained or is not diagnostic of acute leukemia, the diagnosis can be established by a pathologic diagnosis of acute leukemia on a BM biopsy;
• OR A complete blood count (CBC) documenting the presence of at least 1,000/uL circulating leukemic cells if a bone marrow aspirate or biopsy cannot be performed.
• Patient has newly diagnosed B-LLy Murphy stages III or IV.
• Patient has newly diagnosed B-LLy Murphy stages I or II with steroid pretreatment.
• Note: For B-LLy patients with tissue available for flow cytometry, the criterion for diagnosis should be analogous to B-ALL. For tissue processed by other means (i.e., paraffin blocks), the methodology and criteria for immunophenotypic analysis to establish the diagnosis of B-LLy defined by the submitting institution will be accepted.
• Central nervous system (CNS) status must be determined prior to enrollment based on a sample obtained prior to administration of any systemic or intrathecal chemotherapy, except for steroid pretreatment and cytoreduction. It is recommended that intrathecal cytarabine be administered at the time of the diagnostic lumbar puncture. This is usually done at the time of the diagnostic bone marrow or venous line placement to avoid a second lumbar puncture. This is allowed prior to enrollment. Systemic chemotherapy must begin within 72 hours of this intrathecal therapy.
• All patients and/or their parents or legal guardians must sign a written informed consent.
• All institutional, Food and Drug Administration (FDA), and NCI requirements for human studies must be met.
• Patients with Down syndrome are not eligible (patients with Down syndrome and B-ALL are eligible for AALL1731, regardless of NCI risk group).
• With the exception of steroid pretreatment and steroid cytoreduction or the administration of intrathecal cytarabine, patients must not have received any prior cytotoxic chemotherapy for the current diagnosis of B-ALL, MPAL, or B-LLy or for any cancer diagnosed prior to initiation of protocol therapy on AALL1732.
• Patients who have received > 72 hours of hydroxyurea within one week prior to start of systemic protocol therapy.
• Patients with B-ALL or MPAL who do not have sufficient diagnostic bone marrow submitted for APEC14B1 testing and who do not have a peripheral blood sample submitted containing > 1,000/uL circulating leukemia cells.
• Patients with acute undifferentiated leukemia (AUL) are not eligible.
• For Murphy stage III/IV B-LLy patients, or stage I/II patients with steroid pretreatment, the following additional exclusion criteria apply:
• T-lymphoblastic lymphoma.
• Morphologically unclassifiable lymphoma.
• Absence of both B-cell and T-cell phenotype markers in a case submitted as lymphoblastic lymphoma.
• Patients with known Charcot-Marie-Tooth disease.
• Patients with known MYC translocation associated with mature (Burkitt) B-cell ALL, regardless of blast immunophenotype.
• Patients requiring radiation at diagnosis.
• Female patients who are pregnant, since fetal toxicities and teratogenic effects have been noted for several of the study drugs. A pregnancy test is required for female patients of childbearing potential.
• Lactating women who plan to breastfeed their infants while on study and for 2 months after the last dose of inotuzumab ozogamicin.
• Sexually active patients of reproductive potential who have not agreed to use an effective contraceptive method for the duration of study participation. For those patients randomized to inotuzumab ozogamicin, there is a minimum of 8 months after the last dose of inotuzumab ozogamicin for females and 5 months after the last dose of inotuzumab ozogamicin for males.

• All B-ALL patients must be enrolled on APEC14B1 and consented to Eligibility Screening (Part A) prior to treatment and enrollment on AALL1731. APEC 14B1 is not a requirement for B-LLy patients. B-LLy patients may directly enroll on AALL1731.
• Age at diagnosis:
• Patients must be >= 365 days and < 10 years of age (B-ALL patients without DS).
• Patients must be >= 365 days and =< 31 years of age (B-ALL patients with DS).
• Patients must be >= 365 days and =< 31 years of age (B-LLy patients with or without DS).
• B-ALL patients without DS must have an initial white blood cell count < 50,000/uL (performed within 7 days prior to enrollment).
• B-ALL patients with DS are eligible regardless of the presenting white blood cell count (WBC) (performed within 7 days prior to enrollment).
• Patient has newly diagnosed B-cell ALL, with or without Down syndrome: > 25% blasts on a bone marrow (BM) aspirate;
• OR if a BM aspirate is not obtained or is not diagnostic of B-ALL, the diagnosis can be established by a pathologic diagnosis of B-ALL on a BM biopsy;
• OR a complete blood count (CBC) documenting the presence of at least 1,000/uL circulating leukemic cells;
• OR patient has newly diagnosed B-cell LLy Murphy stages I or II, with or without Down syndrome.
• Note: For B-LLy patients with tissue available for flow cytometry, the criterion for diagnosis should be analogous to B-ALL. For tissue processed by other means (i.e., paraffin blocks), the methodology and criteria for immunophenotypic analysis to establish the diagnosis of B-LLy defined by the submitting institution will be accepted (diagnostic biopsy for B-LLy must be performed within 14 days prior to enrollment).
• All patients and/or their parents or legal guardians must sign a written informed consent.
• All institutional, Food and Drug Administration (FDA), and National Cancer Institute (NCI) requirements for human studies must be met.
• Patient must not have secondary ALL that developed after treatment of a prior malignancy with cytotoxic chemotherapy. Note: patients with Down syndrome with a prior history of transient myeloproliferative disease (TMD) are not considered to have had a prior malignancy. They would therefore be eligible whether or not the TMD was treated with cytarabine.
• With the exception of steroid pretreatment or the administration of intrathecal cytarabine, patients must not have received any prior cytotoxic chemotherapy for either the current diagnosis of B ALL or B LLy or for any cancer diagnosed prior to initiation of protocol therapy on AALL1731.
• For patients receiving steroid pretreatment, the following additional exclusion criteria apply:
• Non-DS B-ALL patients must not have received steroids for more than 24 hours in the 2 weeks prior to diagnosis without a CBC obtained within 3 days prior to initiation of the steroids.
• DS and non-DS B-LLy patients must not have received > 48 hours of oral or IV steroids within 4 weeks of diagnosis.
• Patients who have received > 72 hours of hydroxyurea within 1 week (7 days) prior to the start of systemic protocol therapy.
• B-ALL patients who do not have sufficient diagnostic bone marrow submitted for APEC14B1 diagnostic testing and who do not have a peripheral blood sample submitted containing > 1,000/uL circulating leukemia cells.
• Patient must not have acute undifferentiated leukemia (AUL).
• Non-DS B-ALL patients with central nervous system [CNS]3 leukemia (CNS status must be known prior to enrollment).
• Note: DS patients with CNS3 disease are eligible but will be assigned to the DS-High B-ALL arm. CNS status must be determined based on a sample obtained prior to administration of any systemic or intrathecal chemotherapy, except for steroid pretreatment.
• Non-DS B-ALL patients with testicular leukemia. (Note: DS patients with testicular disease are eligible but will be assigned to the DS-High B-ALL arm).
• For LLy patients, the following additional exclusion criteria apply:
• T-Lymphoblastic Lymphoma.
• Morphologically unclassifiable lymphoma.
• Absence of both B-cell and T-cell phenotype markers in a case submitted as lymphoblastic lymphoma.
• CNS positive disease or testicular involvement.
• M2 (5%
•25% blasts) or M3 (> 25% blasts) marrow.
• Patients with known Charcot-Marie-Tooth disease.
• Patients with known MYC translocation associated with mature (Burkitt) B-cell ALL, regardless of blast immunophenotype.
• Patients requiring radiation at diagnosis.
• Female patients who are pregnant since fetal toxicities and teratogenic effects have been noted for several of the study drugs. A pregnancy test is required for female patients of childbearing potential.
• Lactating females who plan to breastfeed their infants.
• Sexually active patients of reproductive potential who have not agreed to use an effective contraceptive method for the duration of their study participation.

• Patients must have follicular lymphoma (grade I, II or IIIa) confirmed at initial diagnosis and at relapse with identifiable fludeoxyglucose F-18 (FDG) avid disease on PET/CT; patients that have involvement with large cell lymphoma are not eligible
• Patients must have a whole body or limited whole body PET/CT scan performed within 42 days prior to registration
• Patients must have bone marrow biopsy performed within 42 days prior to registration
• Patients must have an indication for therapy as determined by the treating investigator
• All disease must be assessed and documented on the S1608 FDG-PET/CT assessment form
• The intent is to enroll patients with follicular lymphoma (FL) relapsed within 2 years of completing their first course of chemotherapy (CHOP or bendamustine based therapy) + anti-CD20 therapy. Patient is still eligible if he/she received radiation therapy or anti-CD20 therapy prior to chemoimmunotherapy or if maintenance anti-CD20 therapy was administered after chemoimmunotherapy
• Patients must have either failed to achieve a complete remission, or must have relapsed within 2 years after completing CHOP or bendamustine-containing chemoimmunotherapy (including an anti-CD20 monoclonal antibody), as measured from the last dose of CHOP or bendamustine; relapsed patients must not have received any intervening chemotherapy
• Patients must have received only 1 course of chemotherapy, containing at least 3 cycles of CHOP or bendamustine; (note that no minimum dose of bendamustine is required)
• Patients who received any anti-CD20 antibody therapy prior to CHOP or bendamustine are eligible
• Patients who additionally received any maintenance anti-CD-20 antibody therapy or consolidative radioimmunotherapy within 2 years of the last dose of the CHOP or bendamustine therapy are eligible
• Involved field or involved site radiation is not considered a line of therapy; examples of eligible prior treatment regimens (note this list is not all inclusive):
• 1st line rituximab treatment followed years later by bendamustine rituximab
• Bendamustine rituximab x 4 cycles
• 1st line rituximab treatment, 2nd line ibritumomab tiuxetan, followed by bendamustine bortezomib rituximab x 6 cycles followed by rituximab maintenance
• Bendamustine obinutuzumab x 3 cycles
• CHOP rituximab x 6 cycles followed by rituximab maintenance
• For all forms of systemic therapy, patients must have completed therapy at least 21 days prior to registration; patients must have completed any radioimmunotherapy at least 84 days prior to registration; patients prior treatment related toxicities (except alopecia) must have resolved to grade 1 or less prior to registration
• Patients must have tissue specimens collected prior to registration; patients must be offered participation in biobanking of residual specimens; with patient consent, residuals from the mandatory submission(s) will be banked for future research
• Patients must be >= 18 years of age
• All patients must have a Zubrod performance status of 0, 1 or 2
• Absolute neutrophil count (ANC) >= 1,500/mcL within 28 days prior to registration
• Platelets >= 75,000/mcL within 28 days prior to registration
• Patients must have adequate renal function as documented by a calculated creatinine clearance >= 60 mL/min, within 28 days prior to registration
• Total bilirubin =< 1.5 x institutional upper limit of normal (IULN) (=< 5 x IULN if secondary to lymphoma, Gilbert's syndrome, or medication related [e.g., indinavir, tenofovir, atazanavir]) within 28 days prior to registration
• Direct bilirubin =< 1.5 x IULN (=< 5 x IULN if secondary to lymphoma) within 28 days prior to registration
• Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) =< 2.5 x IULN (=< 5 x IULN secondary to lymphoma) within 28 days prior to registration
• Patients must have an echocardiogram (ECHO) or multigated acquisition (MUGA) scan within 42 days prior to registration with a cardiac ejection fraction >= 45%
• Patients with hepatitis B virus infection must have undetectable hepatitis B virus (HBV) on suppressive therapy and no evidence of HBV-related hepatic damage; patients with hepatitis C virus infection are eligible if complete eradication therapy has been successfully completed, and there is no detectable hepatitis C virus (HVC) or related hepatic damage; patients with known human immunodeficiency virus (HIV) infection are eligible if they meet all of the following criteria in addition to the other protocol eligibility criteria:
• Patient must have no history of acquired immune deficiency syndrome (AIDS)-related complications, other than a history of low CD4+ T-cell count (< 200/mm^3) prior to initiation of combination antiretroviral therapy; on study CD4+ T-cell count may not be informative due to leukemia and should not be used as an exclusion criterion if low
• Patient must be healthy on the basis of HIV disease with high likelihood of near normal life span were it not for the leukemia
• Patient must have serum HIV viral load of < 200 copies/mm^3
• Patient must be on combination antiretroviral therapy with minimal pharmacokinetic interactions with study therapy and minimal overlapping clinical toxicity with protocol therapy; (recommend a regimen of the integrase inhibitor dolutegravir combined with either disoproxil fumarate/emtricitabine or dolutegravir combined with tenofovir alafenamide/emtricitabine)
• Protease inhibitors and once daily formulations containing cobicistat are NOT allowed due to potential pharmacokinetic interactions with leukemia therapy
• Stavudine and zidovudine (AZT) are NOT allowed because of overlapping toxicity with protocol therapy
• Patients must be able and willing to receive prophylaxis with daily aspirin, low molecular weight heparin, factor X inhibitors or warfarin if randomized to lenalidomide; patients unable or unwilling to take any listed prophylaxis are NOT eligible
• No second prior malignancy is allowed except for adequately treated basal (or squamous cell) skin cancer, in situ cervical cancer or other cancer for which the patient has been disease free for three years
• Patients must have a complete history and physical examination within 28 days prior to registration
• Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10-14 days and again within 24 hours prior to starting cycle 1 of lenalidomide; further, they must either commit to complete abstinence (true abstinence is acceptable when this is in line with the preferred and usual lifestyle of the subject; periodic abstinence [e.g., calendar, ovulation, symptothermal or post ovulation methods] and withdrawal are not acceptable methods of contraception) from heterosexual intercourse or begin TWO acceptable methods of birth control: one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before starting lenalidomide; while taking lenalidomide, during dose interruptions, and for at least 28 days after the last dose of lenalidomide; FCBP must also agree to ongoing pregnancy testing; men must agree to use a latex condom during sexual contact with a FCBP, even if they have had a successful vasectomy; a FCBP is a female who: 1) has achieved menarche at some point; 2) has not undergone a hysterectomy or bilateral oophorectomy; or 3) has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months); all patients must be counseled by a trained counselor every 28 days about pregnancy precautions and risks of fetal exposure; NOTE: patients not randomized to receive lenalidomide will not be required to undergo serial pregnancy testing or lenalidomide counseling after registration
• Patients must have lactate dehydrogenase (LDH) and beta-2-microglobulin collected within 28 days prior to registration
• Patients must be informed of the investigational nature of this study and must sign and give written informed consent in accordance with institutional and federal guidelines
• As a part of the Oncology Patient Enrollment Network (OPEN) registration process the treating institution's identity is provided in order to ensure that the current (within 365 days) date of institutional review board approval for this study has been entered in the system
• Patients must not have clinical evidence of central nervous system involvement by lymphoma since the proposed treatment strategies are not designed to address central nervous system (CNS) involvement adequately; if performed, any laboratory or radiographic tests performed to assess CNS involvement must be negative
• Patients must not have any prior treatment with any PI3K inhibitor, or lenalidomide

• Patient must have enrolled onto APEC1621SC and must have been given a treatment assignment to Molecular Analysis for Therapy Choice (MATCH) to APEC1621F based on the presence of an actionable mutation
• Patients must be >= than 12 months and =< 21 years of age at the time of study enrollment.
• Patients must have a body surface area >= 0.5 m^2 at enrollment
• Patients must have radiographically measurable disease at the time of study enrollment. Patients with neuroblastoma who do not have measurable disease but have iobenguane (MIBG) positive (+) evaluable disease are eligible; measurable disease in patients with CNS involvement is defined as any lesion that is at minimum 10 mm in one dimension on a standard MRI or CT
• Note: The following do not qualify as measurable disease:
• Malignant fluid collections (e.g., ascites, pleural effusions)
• Bone marrow infiltration except that detected by MIBG scan for neuroblastoma
• Lesions only detected by nuclear medicine studies (e.g., bone, gallium or positron emission tomography [PET] scans) except as noted for neuroblastoma
• Elevated tumor markers in plasma or cerebrospinal fluid (CSF)
• Previously radiated lesions that have not demonstrated clear progression post radiation
• Leptomeningeal lesions that do not meet the measurement requirements for Response Evaluation Criteria in Solid Tumors (RECIST) 1.1
• Karnofsky >= 50% for patients > 16 years of age and Lansky >= 50 for patients =< 16 years of age
• Note: Neurologic deficits in patients with CNS tumors must have been relatively stable for at least 7 days prior to study enrollment; patients who are unable to walk because of paralysis, but who are up in a wheelchair, will be considered ambulatory for the purpose of assessing the performance score
• Patients must have fully recovered from the acute toxic effects of all prior anti-cancer therapy and must meet the following minimum duration from prior anti-cancer directed therapy prior to enrollment; if after the required timeframe, the numerical eligibility criteria are met, e.g. blood count criteria, the patient is considered to have recovered adequately
• Cytotoxic chemotherapy or other anti-cancer agents known to be myelosuppressive: >= 21 days after the last dose of cytotoxic or myelosuppressive chemotherapy (42 days if prior nitrosourea)
• Anti-cancer agents not known to be myelosuppressive (e.g. not associated with reduced platelet or absolute neutrophil counts [ANC] counts): >= 7 days after the last dose of agent
• Antibodies: >= 21 days must have elapsed from infusion of last dose of antibody, and toxicity related to prior antibody therapy must be recovered to grade =< 1
• Corticosteroids: if used to modify immune adverse events related to prior therapy, >= 14 days must have elapsed since last dose of corticosteroid
• Hematopoietic growth factors: >= 14 days after the last dose of a long-acting growth factor (e.g. pegfilgrastim) or 7 days for short-acting growth factor; for growth factors that have known adverse events occurring beyond 7 days after administration, this period must be extended beyond the time during which adverse events are known to occur; the duration of this interval must be discussed with the study chair and the study-assigned research coordinator
• Interleukins, interferons and cytokines (other than hematopoietic growth factors): >= 21 days after the completion of interleukins, interferon or cytokines (other than hematopoietic growth factors)
• Stem cell Infusions (with or without total body irradiation [TBI]):
• Allogeneic (non-autologous) bone marrow or stem cell transplant, or any stem cell infusion including donor lymphocyte infusion (DLI) or boost infusion: >= 84 days after infusion and no evidence of graft versus host disease (GVHD)
• Autologous stem cell infusion including boost infusion: >= 42 days
• Cellular therapy: >= 42 days after the completion of any type of cellular therapy (e.g. modified T cells, natural killer [NK] cells, dendritic cells, etc.)
• Radiation therapy (XRT)/external beam irradiation including protons: >= 14 days after local XRT; >= 150 days after TBI, craniospinal XRT or if radiation to >= 50% of the pelvis; >= 42 days if other substantial none marrow (BM) radiation
• Note: Radiation may not be delivered to "measurable disease" tumor site(s) being used to follow response to subprotocol treatment
• Radiopharmaceutical therapy (e.g., radiolabeled antibody, 131I-MIBG): >= 42 days after systemically administered radiopharmaceutical therapy
• Patients must not have received prior exposure to ensartinib; prior treatment with other ALK inhibitors is permitted given that at least 5 half-lives or 21 days have elapsed since therapy discontinuation, whichever is greater
• For patients with solid tumors without known bone marrow involvement:
• Peripheral absolute neutrophil count (ANC) >= 1000/mm^3 (within 7 days prior to enrollment)
• Platelet count >= 100,000/mm^3 (transfusion independent, defined as not receiving platelet transfusions for at least 7 days prior to enrollment) (within 7 days prior to enrollment)
• Patients with known bone marrow metastatic disease will be eligible for study provided they meet the blood counts (may receive transfusions provided they are not known to be refractory to red cell or platelet transfusions); these patients will not be evaluable for hematologic toxicity
• Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 (within 7 days prior to enrollment) or a serum creatinine based on age/gender as follows (within 7 days prior to enrollment):
• Age 1 to < 2 years: maximum serum creatinine 0.6 mg/dL for male and 0.6 mg/dL for female
• Age 2 to < 6 years: maximum serum creatinine 0.8 mg/dL for male and 0.8 mg/dL for female
• Age 6 to < 10 years: maximum serum creatinine 1 mg/dL for male and 1 mg/dL for female
• Age 10 to < 13 years: maximum serum creatinine 1.2 mg/dL for male and 1.2 mg/dL for female
• Age 13 to < 16 years: maximum serum creatinine 1.5 mg/dL for male and 1.4 mg/dL for female
• Age >= 16 years: maximum serum creatinine 1.7 mg/dL for male and 1.4 mg/dL for female
• Bilirubin (sum of conjugated + unconjugated) =< 1.5 x upper limit of normal (ULN) for age (within 7 days prior to enrollment)
• Serum glutamic pyruvic transaminase (SGPT) (alanine aminotransferase [ALT]) =< 135 U/L (within 7 days prior to enrollment) (for the purpose of this study, the ULN for SGPT is 45 U/L)
• Serum albumin >= 2 g/dL (within 7 days prior to enrollment)
• Patients must be able to swallow intact capsules
• All patients and/or their parents or legally authorized representatives must sign a written informed consent; assent, when appropriate, will be obtained according to institutional guidelines
• Pregnant or breast-feeding women will not be entered on this study because there is currently no available information regarding human fetal or teratogenic toxicities; pregnancy tests must be obtained in girls who are post-menarchal; males or females of reproductive potential may not participate unless they have agreed to use an effective contraceptive method for the duration of study treatment and for one week after the last dose of ensartinib
• Concomitant medications
• Corticosteroids: patients receiving corticosteroids who have not been on a stable or decreasing dose of corticosteroid for at least 7 days prior to enrollment are not eligible; if used to modify immune adverse events related to prior therapy, >= 14 days must have elapsed since last dose of corticosteroid
• Investigational drugs: patients who are currently receiving another investigational drug are not eligible
• Anti-cancer agents: patients who are currently receiving other anti-cancer agents are not eligible
• Anti-GVHD agents post-transplant: patients who are receiving cyclosporine, tacrolimus or other agents to prevent graft-versus-host disease post bone marrow transplant are not eligible for this trial
• CYP3A4 agents: patients who are currently receiving drugs that are strong inducers or strong inhibitors of CYP3A4 are not eligible; strong inducers or inhibitors of CYP3A4 should be avoided from 14 days prior to enrollment to the end of the study
• Note: CYP3A4 inducing anti-epileptic drugs and dexamethasone for CNS tumors or metastases, on a stable dose, are allowed
• Patients who have an uncontrolled infection are not eligible
• Patients who have received a prior solid organ transplantation are not eligible
• Patients who in the opinion of the investigator may not be able to comply with the safety monitoring requirements of the study are not eligible

• ELIGIBILITY CRITERIA FOR ENROLLMENT ONTO APEC1621SC: Patients must be >= 12 months and =< 21 years of age at the time of study enrollment
• ELIGIBILITY CRITERIA FOR ENROLLMENT ONTO APEC1621SC: Patients with recurrent or refractory solid tumors, including non-Hodgkin lymphomas, histiocytoses (e.g. langerhans cell histiocytosis [LCH], juvenile xanthogranuloma [JXG], histiocytic sarcoma), and central nervous system (CNS) tumors are eligible; patients must have had histologic verification of malignancy at original diagnosis or relapse except in patients with intrinsic brain stem tumors, optic pathway gliomas, or patients with pineal tumors and elevations of cerebrospinal fluid (CSF) or serum tumor markers including alpha-fetoprotein or beta-human chorionic gonadotropin (HCG); in cases where patient enrolls prior to histologic confirmation of recurrent disease, patient is ineligible and should be withdrawn from study if histology fails to confirm recurrence; please note: Patients with Hodgkin lymphoma and plexiform neurofibroma are not eligible
• ELIGIBILITY CRITERIA FOR ENROLLMENT ONTO APEC1621SC: Tumor Testing Requirement: Tumor sample availability requirement for stage 1 of Pediatric MATCH (patients enrolled from start of study in July 2017 through 12/31/21); Patients must have an formalin-fixed paraffin-embedded (FFPE) tumor sample available for MATCH study testing from a biopsy or surgery that was performed at any point after initial tumor recurrence/progression, or be planned to have a procedure to obtain such a sample that is considered to be of potential benefit by the treating clinicians; a tumor sample from a clinically performed diagnostic (pre-treatment) biopsy will be acceptable for enrollment onto Pediatric MATCH only for children with high-grade gliomas of the brainstem (diffuse intrinsic pontine gliomas) or thalamus
• Please note: Samples that have been decalcified using standardly utilized acid-based decalcification methods are not generally suitable for MATCH study testing; the nucleic acids will have been degraded in the decalcification process
• ELIGIBILITY CRITERIA FOR ENROLLMENT ONTO APEC1621SC: Tumor molecular profiling report availability requirement for Stage 2 of Pediatric MATCH (patients enrolled starting 2022): In stage 2 of the study, no tumor samples will be submitted for centralized clinical tumor profiling; instead, a tumor molecular profiling report from a College of American Pathologists (CAP)/ Clinical Laboratory Improvements Amendments (CLIA)-approved testing laboratory must be submitted for review by the Molecular Review Committee (MRC)
• This molecular profiling must have been performed on a tumor sample that was obtained at any point after initial tumor recurrence/progression and must be accompanied by a pathology report for the same tumor specimen; a molecular profiling report for a diagnostic (pre-treatment) tumor sample will be acceptable for enrollment onto Pediatric MATCH only for children with high-grade gliomas of the brainstem (diffuse intrinsic pontine gliomas) or thalamus. In the event that molecular profiling reports are available from multiple timepoints, the most recent report should be prioritized for study submission
• ELIGIBILITY CRITERIA FOR ENROLLMENT ONTO APEC1621SC: Karnofsky >= 50% for patients > 16 years of age and Lansky >= 50 for patients =< 16 years of age); note: neurologic deficits in patients with central nervous system (CNS) tumors must have been stable for at least 7 days prior to study enrollment; patients who are unable to walk because of paralysis, but who are up in a wheelchair, will be considered ambulatory for the purpose of assessing the performance score
• ELIGIBILITY CRITERIA FOR ENROLLMENT ONTO APEC1621SC: Patients must have radiographically measurable disease; measurable disease based on imaging obtained less than or equal to 56 days prior to enrollment; patients with neuroblastoma who do not have measurable disease but have metaiodobenzylguanidine (MIBG) positive (+) evaluable disease are eligible; measurable disease in patients with CNS involvement is defined as any lesion that is at minimum 10 mm in one dimension on standard magnetic resonance imaging (MRI) or computed tomography (CT)
• Note: The following do not qualify as measurable disease:
• Malignant fluid collections (e.g., ascites, pleural effusions)
• Bone marrow infiltration except that detected by MIBG scan for neuroblastoma
• Lesions only detected by nuclear medicine studies (e.g., bone, gallium or positron emission tomography [PET] scans) except as noted for neuroblastoma
• Elevated tumor markers in plasma or CSF
• Previously radiated lesions that have not demonstrated clear progression post radiation
• Leptomeningeal lesions that do not meet the measurement requirements for Response Evaluation Criteria in Solid Tumors (RECIST) 1.1
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: NOTE: patient does not need to meet all subprotocol criteria at time of enrollment onto the APEC1621SC screening protocol, but will need to meet all criteria prior to enrollment on any assigned treatment subprotocol. Patients must be enrolled onto a subprotocol within 2 weeks (14 days) of treatment assignment
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: Karnofsky >= 50% for patients > 16 years of age and Lansky >= 50 for patients =< 16 years of age); Note: neurologic deficits in patients with CNS tumors must have been stable for at least 7 days prior to study enrollment; patients who are unable to walk because of paralysis, but who are up in a wheelchair, will be considered ambulatory for the purpose of assessing the performance score
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: At the time of treatment with subprotocol specified therapy, the patients must have radiographically measurable disease; patients with neuroblastoma who do not have measurable disease but have MIBG+ evaluable are eligible; measurable disease in patients with CNS involvement is defined as any lesion that is at minimum 10 mm in one dimension on standard MRI or CT
• Note: The following do not qualify as measurable disease:
• Malignant fluid collections (e.g., ascites, pleural effusions)
• Bone marrow infiltration except that detected by MIBG scan for neuroblastoma
• Lesions only detected by nuclear medicine studies (e.g., bone, gallium or positron emission tomography [PET] scans) except as noted for neuroblastoma
• Elevated tumor markers in plasma or CSF
• Previously radiated lesions that have not demonstrated clear progression post radiation
• Leptomeningeal lesions that do not meet the measurement requirements for RECIST 1.1
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: At the time of enrollment onto a subprotocol, the following general criteria for initiation of therapy will be required:
• Patients must have fully recovered from the acute toxic effects of all prior anticancer therapy and must meet the following minimum duration from prior anticancer directed therapy prior to enrollment to the subprotocol; if after the required timeframe, the numerical eligibility criteria are met, e.g. blood count criteria, the patient is considered to have recovered adequately
• Cytotoxic chemotherapy or other anticancer agents known to be myelosuppressive: for agents not listed, the duration of this interval must be discussed with the study chair and the study-assigned research coordinator prior to enrollment >= 21 days after the last dose of cytotoxic or myelosuppressive chemotherapy (42 days if prior nitrosourea)
• Anticancer agents not known to be myelosuppressive (e.g. not associated with reduced platelet or absolute neutrophil counts [ANC]): >= 7 days after the last dose of agent; for agents not listed, the duration of this interval must be discussed with the study chair and the study-assigned research coordinator prior to enrollment
• Antibodies: >= 21 days must have elapsed from infusion of last dose of antibody, and toxicity related to prior antibody therapy must be recovered to grade =< 1
• Corticosteroids: If used to modify immune adverse events related to prior therapy, >= 14 days must have elapsed since last dose of corticosteroid
• Hematopoietic growth factors: >= 14 days after the last dose of a long-acting growth factor (e.g. Neulasta) or 7 days for short-acting growth factor; for agents that have known adverse events occurring beyond 7 days after administration, this period must be extended beyond the time during which adverse events are known to occur; the duration of this interval must be discussed with the study chair and the study-assigned research coordinator
• Interleukins, interferons and cytokines (other than hematopoietic growth factors): >= 21 days after the completion of interleukins, interferon or cytokines (other than hematopoietic growth factors)
• Stem cell infusions (with or without total-body irradiation [TBI]):
• Allogeneic (non-autologous) bone marrow or stem cell transplant, or any stem cell infusion including donor lymphocyte infusion (DLI) or boost infusion: >= 84 days after infusion and no evidence of graft versus host disease (GVHD)
• Autologous stem cell infusion including boost infusion: >= 42 days
• Cellular therapy: >= 42 days after the completion of any type of cellular therapy (e.g. modified T cells, natural killer (NK) cells, dendritic cells, etc.)
• X-ray therapy (XRT)/External Beam Irradiation including Protons: >= 14 days after local XRT; >= 150 days after TBI, craniospinal XRT or if radiation to >= 50% of the pelvis; >= 42 days if other substantial bone marrow (BM) radiation; note: radiation may not be delivered to "measurable disease" tumor site(s) being used to follow response to subprotocol treatment
• Radiopharmaceutical therapy (e.g., radiolabeled antibody, 131I-MIBG): >= 42 days after systemically administered radiopharmaceutical therapy
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: For patients with solid tumors without known bone marrow involvement:
• Peripheral absolute neutrophil count (ANC) >= 1000/mm^3
• Platelet count >= 100,000/mm^3 (transfusion independent, defined as not receiving platelet transfusions for at least 7 days prior to enrollment)
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: Patients with known bone marrow metastatic disease will be eligible for study provided they meet the blood counts (may receive transfusions provided they are not known to be refractory to red cell or platelet transfusions); these patients will not be evaluable for hematologic toxicity
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 or a serum creatinine based on age/gender as follows:
• Age: 1 to < 2 years; maximum serum creatinine (mg/dL): male 0.6; female 0.6
• Age: 2 to < 6 years; maximum serum creatinine (mg/dL): male 0.8; female 0.8
• Age: 6 to < 10 years; maximum serum creatinine (mg/dL): male 1; female 1
• Age: 10 to < 13 years; maximum serum creatinine (mg/dL): male 1.2; female 1.2
• Age: 13 to < 16 years; maximum serum creatinine (mg/dL): male 1.5; female 1.4
• Age: >= 16 years; maximum serum creatinine (mg/dL): male 1.7; female 1.4
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: Bilirubin (sum of conjugated + unconjugated) =< 1.5 x upper limit of normal (ULN) for age
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: Serum glutamate pyruvate transaminase (SGPT) (alanine transferase [ALT]) =< 135 U/L (for the purpose of this study, the ULN for SGPT is 45 U/L)
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: Patients must be able to swallow intact capsules/tablets, unless otherwise specified in the subprotocol to which they are assigned
• GENERAL INCLUSION CRITERIA FOR SUBPROTOCOLS: Agent specific limitations on prior therapy will be included with specific treatment subprotocols
• GENERAL EXCLUSION CRITERIA FOR SUBPROTOCOLS: Pregnant or breast-feeding women will not be entered on this study due to risks of fetal and teratogenic adverse events as seen in animal/human studies, or because there is currently no available information regarding human fetal or teratogenic toxicities; pregnancy tests must be obtained in females who are post-menarchal; males or females of reproductive potential may not participate unless they have agreed to use an effective contraceptive method
• GENERAL EXCLUSION CRITERIA FOR SUBPROTOCOLS: Concomitant medications
• Corticosteroids: at the time of consent and enrollment to regimen specific subprotocols, patients receiving corticosteroids who have not been on a stable or decreasing dose of corticosteroid for at least 7 days prior to enrollment to the subprotocol will not be eligible; if used to modify immune adverse events related to prior therapy, >= 14 days must have elapsed since last dose of corticosteroid
• Investigational drugs: patients must meet criteria for prior therapy at the time of consent and enrollment to a subprotocol; other investigational agents may not be administered to patients while they are receiving study drug as part of a subprotocol
• Anticancer agents: patients must meet criteria for prior therapy at the time of consent and enrollment to a subprotocol; other investigational agents may not be administered to patients while they are receiving study drug as part of a subprotocol
• Anti-GVHD agents post-transplant: patients who are receiving cyclosporine, tacrolimus or other agents to prevent graft-versus-host disease post bone marrow transplant are not eligible
• GENERAL EXCLUSION CRITERIA FOR SUBPROTOCOLS: Patients who have an uncontrolled infection are not eligible
• GENERAL EXCLUSION CRITERIA FOR SUBPROTOCOLS: Patients who have had a prior solid organ transplant are not eligible
• GENERAL EXCLUSION CRITERIA FOR SUBPROTOCOLS: Additional agent specific criteria will be included with specific treatment subprotocols

• There is no age limit for the low risk stratum (stage I ovarian immature teratoma and stage I non-seminoma or seminoma malignant GCT [all sites])
• Standard risk 1: Patient must be < 11 years of age at enrollment
• Standard risk 2: Patients must be >= 11 and < 25 years of age at enrollment
• Patients enrolling on one of the low risk arms must be newly diagnosed with a stage I germ cell tumor; for the standard risk arms, patients must be newly diagnosed with metastatic germ cell tumor (stage II or higher); histologic confirmation of a primary extracranial germ cell tumor in any of the categories outlined below is required of all patients at enrollment except for those who were initially diagnosed with stage I non-seminoma malignant GCT and later recur during observation post surgery off study; for these patients, if elevated tumor markers rise to > 5 x upper limit of normal (ULN) on at least 2 measurements taken at least 1 week apart, a diagnostic biopsy is not required for enrollment
• Low risk stage I immature teratoma (IT); site: ovarian; stage: Children's Oncology Group (COG) stage I, Federation of Gynecology and Obstetrics (FIGO) stage IA and IB; grade: 2 or 3; histology: pure immature teratoma (may contain microscopic foci of yolk sac tumor), mixed immature and mature teratoma, (no pathological evidence of MGCT); tumor markers: alpha-FP =< 1,000 ng/mL, beta-HCG institutional normal; all ages
• Low risk stage I non-seminoma MGCT; site: ovarian, testicular, or extragonadal; stage: COG stage I, FIGO stage IA and IB, American Joint Committee on Cancer (AJCC) testicular stage IA, IB and IS; histology: must contain at least one of the following: yolk sac tumor, embryonal carcinoma, or choriocarcinoma (pure or mixed); all ages
• Low risk stage I seminoma-MGCT; site: testicular; stage: COG stage I; AJCC testicular stage IA IB, and IS; histology: must contain at least one of the following: may contain immature/mature teratoma; may NOT contain yolk sac tumor, embryonal carcinoma, or choriocarcinoma; all ages
• Standard risk 1 (SR1); site: ovarian, testicular, or extragonadal; stage: COG stage II-IV, FIGO stage IC, FIGO stage II-IV (International Germ Cell Consensus Classification [IGCCC] criteria DO NOT apply); histology: must contain at least one of the following: yolk sac tumor, embryonal carcinoma, or choriocarcinoma; age (years) < 11
• Standard risk 2 (SR2)
• Site: ovarian; stage: COG stage II and III, FIGO stage IC, II and III; histology: must contain at least one of the following: yolk sac tumor, embryonal carcinoma, or choriocarcinoma; age (years) >= 11 and < 25
• Site: testicular; stage: COG stage II-IV, AJCC stage II, III, IGCCC good risk; histology: must contain at least one of the following: yolk sac tumor, embryonal carcinoma, or choriocarcinoma; tumor markers: must be IGCCC good risk; post op: alpha-FP < 1,000 ng/mL, beta-HCG < 5,000 IU/mL and lactate dehydrogenase (LDH) < 3.0 x normal; age (years) >= 11 and < 25
• Site: extragonadal; stage: COG stage II; histology: must contain at least one of the following: yolk sac tumor, embryonal carcinoma, or choriocarcinoma; age (years) >= 11 and < 25
• Notes:
• IGCCC criteria only apply to SR2 patients with a testicular primary tumor
• Use post-op tumor marker levels to determine IGCCC risk group
• Stage 1 seminoma patients are not eligible for the standard risk arms of the study
• For the low risk stage I non-seminoma MGCT and the standard risk arms, components of yolk sac tumor, embryonal carcinoma, or choriocarcinoma can be mixed with other forms of GCT, such as seminoma or mature or immature teratoma; if yolk sac tumor is the only malignant component present, then it must be deemed by the pathologist to be greater than a "microscopic component" of yolk sac tumor
• Patients must have a performance status corresponding to Eastern Cooperative Oncology Group (ECOG) scores of 0, 1, 2 or 3; use Karnofsky for patients > 16 years of age and Lansky for patients =< 16 years of age
• Organ function requirements apply ONLY to patients who will receive chemotherapy (SR1 and SR2 patients)
• Adequate renal function defined as:
• Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 mL/min/1.73 m^2 (within 7 days prior to enrollment) OR
• A serum creatinine based on age/gender as follows (within 7 days prior to enrollment): (mg/dL)
• 1 month to < 6 months male: 0.4 female: 0.4
• 6 months to < 1 year male: 0.5 female: 0.5
• 1 to < 2 years male: 0.6 female: 0.6
• 2 to < 6 years male: 0.8 female: 0.8
• 6 to < 10 years male: 1 female: 1
• 10 to < 13 years male: 1.2 female: 1.2
• 13 to < 16 years: male: 1.5 female: 1.4
• >= 16 years male: 1.7 female: 1.4
• Total bilirubin =< 1.5 x upper limit of normal (ULN) for age (within 7 days prior to enrollment)
• Serum glutamic-oxaloacetic transaminase (SGOT) (aspartate aminotransferase [AST]) or serum glutamate pyruvate transaminase (SGPT) (alanine aminotransferase [ALT]) < 2.5 x upper limit of normal (ULN) for age (for the purpose of this study, the ULN for SGPT is 45 U/L) (within 7 days prior to enrollment)
• Peripheral absolute neutrophil count (ANC) >= 1,000/mm^3 (within 7 days prior to enrollment) AND
• Platelet count >= 100,000/mm^3 (within 7 days prior to enrollment)
• Patients enrolling on the standard risk arms must be medically fit to receive protocol treatment and with no contraindications to protocol treatment
• Eligibility criteria to participate in the pilot study of the AYA-Hears instrument (patient reported outcomes [PROs] of ototoxicity) Note: participants in group 1 will not receive AGCT1531 protocol-directed therapy; all other AYA-HEARS patients must be enrolled on the AGCT1531 SR2 arm in order to participate
• >= 11 and < 25 years old at enrollment
• Able to fluently speak and read English
• Has received prior cisplatin- or carboplatin-based chemotherapy regimen for malignancy including diagnoses other than germ cell tumor
• Followed for cancer or survivorship care at one of the following institutions:
• Baylor College of Medicine/Dan L Duncan Comprehensive Cancer Center
• Dana Farber/Harvard Cancer Center
• Hospital for Sick Children
• Children's Hospital of Eastern Ontario
• Oregon Health and Science University
• Seattle Children's Hospital
• Yale University
• Patients with any diagnoses not listed including:
• Stage I testicular cancer patients who have undergone primary RPLND (retroperitoneal lymph node dissection)
• Pure dysgerminoma
• Pure mature teratoma
• Pure immature teratoma COG stage I, grade I
• Pure immature teratoma COG stage I, grade 2,3 with alpha-fetoprotein (AFP) >= 1000 ng/mL
• Pure immature teratoma COG stage II
•IV or FIGO stage IC to IV
• "Poor risk" GCT (age >= 11 years old and COG stage IV ovarian, COG stage III or IV EG, or IGCCC intermediate or poor risk testicular), or
• Primary central nervous system (CNS) germ cell tumor
• Germ cell tumor with somatic malignant transformation
• Spermatocytic seminoma
• Patients must have had no prior systemic therapy for the current cancer diagnosis
• Patients must have had no prior radiation therapy with the exception of CNS irradiation of brain metastases; (this exception only applies to SR1 patients; any patients over age 11 with distant metastases to brain [stage IV disease] would be considered poor risk and therefore not eligible for this trial)
• Patients with significant, pre-existing co-morbid respiratory disease that contraindicate the use of bleomycin are ineligible for the standard risk arms of the trial
• Female patients who are pregnant since fetal toxicities and teratogenic effects have been noted for several of the study drugs; a pregnancy test is required for female patients of childbearing potential; (this criteria applies ONLY to patients who will receive chemotherapy [SR1 and SR2 patients])
• Lactating females who plan to breastfeed their infants; (this criteria applies ONLY to patients who will receive chemotherapy [SR1 and SR2 patients])
• Sexually active patients of reproductive potential who have not agreed to use an effective contraceptive method for the duration of their study participation; (this criteria applies ONLY to patients who will receive chemotherapy [SR1 and SR2 patients])

• Enrollment must occur within 6 months of initial disease presentation OR within 6 months of refractory disease, disease progression, disease recurrence, second or secondary malignancy, or post-mortem
• Patients previously enrolled on ACCRN07 are eligible to enroll on Tracking Outcome, Registry and Future Contact components of APEC14B1 any time after they reach age of majority
• Patients with a known or suspected neoplasm that occurs in the pediatric, adolescent or young adult populations are eligible for enrollment as follows:
• All cancer cases with an International Classification of Diseases for Oncology (ICD-O) histologic behavior code of one "1" (borderline), two "2" (carcinoma in situ) or three "3" (malignant)
• All neoplastic lesions of the central nervous system regardless of behavior, i.e., benign, borderline or malignant
• The following other benign/borderline conditions:
• Mesoblastic nephroma
• Teratomas (mature and immature types)
• Myeloproliferative diseases including transient myeloproliferative disease
• Langerhans cell histiocytosis
• Lymphoproliferative diseases
• Desmoid tumors
• Gonadal stromal cell tumors
• Neuroendocrine tumors including pheochromocytoma
• Melanocytic tumors, except clearly benign nevi
• Ganglioneuromas
• Subjects must be =< 25 years of age at time of original diagnosis, except for patients who are being screened specifically for eligibility onto a COG (or COG participating National Clinical Trials Network [NCTN]) therapeutic study, for which there is a higher upper age limit
• All patients or their parents or legally authorized representatives must sign a written informed consent and agree to participate in at least one component of the study; parents will be asked to sign a separate consent for their own biospecimen submission
• If patients or their parents or legally authorized representatives have not signed the Part A subject consent form at the time of a diagnostic bone marrow procedure, it is recommended that they initially provide consent for drawing extra bone marrow using the Consent for Collection of Additional Bone Marrow; consent using the Part A subject consent form must be provided prior to any other procedures for eligibility screening or banking under APEC14B1

• ELIGIBILITY CRITERIA
•CASES
• Diagnosis of primary cancer at age 21 or younger, irrespective of current age
• No prior history of allogeneic (non-autologous) hematopoietic cell transplant
• Development of one of the following key adverse events at any time following initiation of cancer therapy:
• Cardiac dysfunction; please note: case enrollment has been closed due to achievement of target accrual
• Ischemic stroke (IS)
• Subsequent malignant neoplasm (SMN)
• Avascular necrosis (AVN); please note: case enrollment has been closed due to achievement of target accrual
• Submission of a blood specimen (or in certain cases a saliva specimen) to the Coordinating Center at the University of Alabama at Birmingham as per the requirements; please note: if a patient is currently receiving active cancer treatment, it is preferable to obtain the blood sample at a time when the patient's white blood cell (WBC) is > 2,000
• Written informed consent from the patient and/or the patient's legally authorized guardian
• In active follow up by a COG institution; active follow up will be defined as date of last visit or contact by a COG institution within the past 24 months; any type of contact, including contact specifically for participation in ALTE03N1, qualifies as active follow-up; please note: treatment on a COG (or legacy group) therapeutic protocol for the primary cancer is NOT required
• ELIGIBILITY CRITERIA
•CONTROLS
• CONTROL: Diagnosis of primary cancer at age 21 or younger, irrespective of current age
• CONTROLS: No prior history of allogeneic (non-autologous) hematopoietic cell transplant
• CONTROLS: No clinical evidence of any of the following key adverse events:
• Cardiac dysfunction (CD); please note: if a patient is currently receiving active cancer treatment, it is preferable to obtain the blood sample at a time when the patient's WBC is > 2,000
• Ischemic stroke (IS)
• Avascular necrosis (AVN)
• Subsequent malignant neoplasm (SMN)
• CONTROLS: Submission of a blood specimen (or in certain cases a saliva specimen) to the Coordinating Center Laboratory at the University of Alabama at Birmingham as per the requirements
• CONTROLS: Written informed consent from the patient and/or the patient's legally authorized guardian
• CONTROLS: In active follow up by a COG institution; active follow up will be defined as date of last visit or contact by a COG institution within the past 24 months; any type of contact, including contact specifically for participation in ALTE03N1, qualifies as active follow-up; please note: treatment on a COG (or legacy group) therapeutic protocol for the primary cancer is NOT required

[CLOVER-1] All Patients
• Histologically or cytologically confirmed MM; Patients with primary or secondary CNSL may be enrolled.
• ECOG performance status of 0 to 2
• 18 years of age or older
• Life expectancy of at least 6 months
• Platelets ≥ 75,000/µL (if full-dose anticoagulation therapy is used, platelets ≥ 100,000/µL are required)
• WBC count ≥ 3000/µL
• Absolute neutrophil count ≥ 1500/µL
• Hemoglobin ≥ 9 g/dL (last transfusion, if any, must be at least 1 week prior to study registration, and no transfusions are allowed between registration and dosing)
• Estimated glomerular filtration rate ≥ 30 mL/min/1.73 m2
• Aspartate aminotransferase (AST) and Alanine aminotransferase (ALT) ≤ 2.5 × upper limit of normal (ULN)
• Bilirubin < 1.5 × ULN
• International normalized ratio (INR) < 2.5
• If patient is on full-dose anticoagulation therapy, the anticoagulation therapy must be reversible and reversal of the anticoagulation therapy must not be life-threatening, as judged by the Investigator
• Patients who have undergone stem cell transplant must be at least 100 days from transplant Patients with Multiple Myeloma
• At least 5 prior regimens, which must include at least 1 approved proteasome inhibitor (bortezomib, carfilzomib, or ixazomib), at least 1 approved immunomodulatory agent (thalidomide, lenalidomide, or pomalidomide), and at least 1 approved monoclonal antibody (e.g., daratumumab or elotuzumab) with or without maintenance therapy, unless patients are intolerable to such agents or ineligible to receive such agents.
• At least triple-class refractory (refractory to a proteasome inhibitor, immunomodulatory agent, and a monoclonal antibody)
• Progressive disease defined by any of the following:
• 25% increase in serum M-protein from the lowest response value during (or after) last therapy and/or absolute increase in serum M-protein of ≥ 0.5 g/dL
• 25% increase in urine M-protein from the lowest response value during (or after) last therapy and/or absolute increase in urine M-protein of ≥ 200 mg/24 h
• 25% increase in bone marrow plasma cell percentage from the lowest response value during (or after) last therapy. Absolute bone marrow plasma cell percentage must be ≥ 10% unless prior CR when absolute bone marrow plasma cell percentage must be ≥ 5%.
• 25% increase in serum FLC level from the lowest response value during (or after) last therapy; the absolute increase must be > 10 mg/dL
• New onset hypercalcemia > 11.5 mg/dL
• Failure to obtain a partial response or better to current treatment, or cannot further improve their response to current treatment
• Appearance of new extramedullary disease
• Measurable disease defined by any of the following:
• Serum M-protein > 0.5 g/dL
• Urine M-protein > 200 mg/24 h
• Serum FLC assay: Involved FLC level ≥ 10 mg/dL provided serum FLC ratio is abnormal. [CLOSED] Patients with Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma, Lymphoplasmacytic Lymphoma/Waldenstom Macroglobulinemia, or Marginal Zone Lymphoma
• Prior treatment with at least 2 prior regimens, which may include chemotherapy, an approved anti-CD20 antibody with or without maintenance therapy, and an approved targeted agent, unless patients are ineligible to receive such agents
• Patients with Helicobacter pylori+ mucosa-associated lymphoid tissue lymphoma must have received 1 prior antibiotic regimen for H pylori
• At least 1 measurable nodal lesion with longest diameter > 15 mm or 1 measurable extranodal lesion (eg, hepatic nodule) with longest diameter > 10 mm. Additional parameters (e.g., measurable IgM for patients with Lymphoplasmacytic Lymphoma) may be allowed if they meet current NCCN guidelines for symptomatic disease. Patients with uptake by FDG-PET scan may be allowed with prior approval of Sponsor. [CLOSED] Patients with Mantle Cell Lymphoma
• Prior treatment with at least 1 prior regimen
• At least 1 measurable nodal lesion with longest diameter > 15 mm or 1 measurable extranodal lesion (eg, hepatic nodule) with longest diameter > 10 mm. Patients with uptake by FDG-PET scan may be allowed with prior approval of Sponsor. [CLOSED] Patients with Diffuse Large B-Cell Lymphoma
• Relapsed or refractory to combination chemotherapy for DLBCL that contains rituximab and an anthracycline; or is intolerable to such agents. Relapsed disease is defined as either recurrence of disease after a CR or PD after achieving a partial response (PR) or SD. Refractory disease is defined as failure to achieve at least SD with any 1 line of therapy or with PD ≤ 3 months of the most recent chemotherapy regimen.
• At least 1 measurable nodal lesion with longest diameter > 15 mm or 1 measurable extranodal lesion (eg, hepatic nodule) with longest diameter > 10 mm. Patients with uptake by FDG-PET scan may be allowed with prior approval of Sponsor. Patients with CNS Lymphoma
• Must have biopsy-proven disease and must have received at least one prior intervention for their disease.
• Must be at least two weeks from CNS biopsy before administration of iopofosine I 131.
• Must have at least one lesion with enhancement on brain imaging.
• Stable (or decreasing) dose of corticosteroids or anti-convulsant medication for at least 7 days prior to dosing [CLOVER-1]
• Ongoing Grade 2 or greater toxicities due to previous therapies. Stable, tolerable Grade 2 AEs (eg, neuropathy) may be allowed.
• Prior external-beam RT resulting in greater than 20% of total bone marrow receiving greater than 20 Gy.
• Prior total body or hemi-body irradiation. Patients who have received prior low-dose total body or hemi-body irradiation may be allowed on a case-by-case basis after discussion with Sponsor (considerations may include factors such as time since irradiation, total lifetime accumulated dose, etc.)
• Extradural tumor in contact with the spinal cord or tumor located where swelling in response to therapy may impinge upon the spinal cord
• For patients with CLL/SLL, LPL, or MZL, transformation to a more aggressive form of NHL
• Ongoing chronic immunosuppressive therapy
• Clinically significant bleeding event within prior 6 months
• Ongoing anti-platelet therapy (except low-dose aspirin [eg, 81 mg daily] for cardioprotection)
• Anti-cancer therapy within two weeks of initial iopofosine I 131 infusion. Low dose dexamethasone for symptom management is allowed
• Radiation therapy, chemotherapy, immunotherapy, or investigational therapy within 2 weeks of eligibility-defining bone marrow biopsy.
• For patients with primary or secondary CNSL, active bleeding in the tumor bed and/or uncontrolled seizure activity [CLOVER-WaM] Inclusion Criteria
• Histologically or cytologically confirmed WM. Patients with a diagnosis of LPL may be enrolled with prior Sponsor approval.
• Patient has an Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 to 2 (Appendix C)
• Patient is 18 years of age or older
• Life expectancy of at least 6 months
• Received at least two prior lines of therapy for WM
• Measurable IgM (above upper limit of normal) OR at least one measurable nodal lesion with longest diameter > 15 mm or one measurable extranodal lesion (e.g., hepatic nodule) with longest diameter > 10 mm [CLOVER-WaM] Exclusion Criteria
• Ongoing Grade 2 or greater toxicities due to previous therapies, excluding alopecia.
• Prior external-beam RT resulting in greater than 20% of total bone marrow receiving greater than 20 Gy.
• Prior total body or hemi-body irradiation. Patients who have received prior low-dose total body or hemi-body irradiation may be allowed on a case-by-case basis after discussion with Sponsor (considerations may include factors such as time since irradiation, total lifetime accumulated dose, etc.)
• Patients with second malignancies in addition to WM, if the second malignancy has required therapy in the last 2 years or is not in remission; exceptions to this criterion include successfully treated non-metastatic basal cell or squamous cell skin carcinoma, or prostate cancer that does not require therapy
• Anti-cancer therapy within two weeks of initial iopofosine I 131 infusion.
• Need for acute treatment of WM (e.g., those with hyperviscosity)

Registration Step 1 Except where otherwise indicated below that test is required in a shorter timeframe, all tests for establishing baseline disease status must be completed within 60 days prior to registration. All test results must be documented on the Baseline Tumor Assessment Form for Multiple Myeloma and the Onstudy Form. Inclusion Criteria
• Patients must have had a confirmed diagnosis of symptomatic multiple myeloma (See Section 4.1) that required systemic induction therapy prior to autologous stem cell transplantation (ASCT).
• Patients with disease measurable by serum light chain assay alone are eligible (defined as >/= 100 mg/L on involved light chain).
• Patients must be registered to Step 1 prior to registration to Step 2. Registration to Step 1 may take place prior to or after autologous stem cell transplant (ASCT), but after completion of induction therapy.
• Patients must have initiated induction therapy within 12 months prior to registration Step 1 and have received at least two cycles of induction therapy.
• Patients must be willing and able to take DVT prophylaxis (aspirin, low molecular weight heparin, warfarin, or equivalent oral anticoagulation).
• Patients must be >/= 18 and • Patients must have history and physical exam within 28 days prior to registration.
• Patients must have Zubrod Performance Status • Patients must have evidence of adequate renal function, as defined by (1) creatinine clearance (CrCl) >/= 30 mL/min., as measured by a 24-hour urine collection, or estimated by the Cockcroft and Gault formula, or (2) serum creatinine < 2.5 mg/dL. Values must be obtained within 28 days prior to registration.
• Patients must have adequate hepatic function defined by the following within 42 days prior to registration:
• Total bilirubin • AST and ALT • Patients must meet one of the following criteria:
• Be acceptable for transplant per institutional guidelines and the criteria evidencing this must be documented on the S1803 Onstudy Form. (See Appendix 18.3 for standard transplant eligibility guidelines. Note that these are guidelines and not required criteria.) OR
• Have completed autologous stem cell transplant within 180 days prior to registration (see also Section 5.2a).
• Patient's with human immunodeficiency virus (HIV) are eligible providing they are on effective antiretroviral therapy and have undetectable viral load at their most previous viral load test and within 6 months prior to registration.
• Patients must be able to take and swallow oral medication (capsules) whole. Patients may not have any known impairment of gastrointestinal function or gastrointestinal disease that may significantly alter the absorption of study drug (e.g. ulcerative disease, uncontrolled nausea, vomiting, diarrhea, malabsorption syndrome, or small bowel resection).
• For patients who have not yet received transplant: Patients must be willing and able to return to the transplant center for their assigned treatment after randomization. Note that patients need not have a direct relationship with the transplant center in order to register.
• Patients must submit specimens for MRD as outlined in Section 15.1. See Section 15.1 for further information, including specimen submission timepoints. Note that patients are not ineligible based solely on archival specimens being unavailable.
• Patients must be offered participation in specimen banking for future research. With patient's consent, specimens must be submitted as outlined in Section 15.2.
• Patients must be informed of the investigational nature of this study and must sign and give written informed consent in accordance with institutional and federal guidelines.
• As a part of the OPEN registration process (see Section 13.3 for OPEN access instructions) the treating institution's identity is provided in order to ensure that the current (within 365 days) date of institutional review board approval for this study has been entered in the system. Exclusion Criteria
• Patients with smoldering myeloma are not eligible. Patients with purely non-secretory MM as measured by electrophoresis and immunofixation and the absence of Bence Jones proteins in the urine are not eligible. Patients must have measurable M protein in the serum (defined as >/= 0.5g/dL) or urine (defined as >/= 200 mg/24h). Patients with plasma cell leukemia are not eligible.
• Patients must not have any organ involvement by amyloidosis or evidence of amyloidosis related organ dysfunction.
• Patients must not have progressive disease at any time prior to registration.
• Patients must not be refractory to either lenalidomide or daratumumab/rHuPH20.
• Patients must not be intolerant to either lenalidomide or daratumumab/rHuPH20.
• Patients must not have received any investigational agents within 14 days prior to registration.
• Patients must not have chronic obstructive pulmonary disease with a forced expiratory volume in 1 second (FEV1) < 50% of predicted normal. FEV1 is required for patients suspected of having chronic obstructive pulmonary disease and are not eligible if FEV1 is < 50% of predicted normal.
• Patients must not have moderate or severe persistent asthma within the past 2 years and must not have currently uncontrolled asthma of any classification.
• Patients must not have had prior autograft or allograft, or prior organ transplant requiring immunosuppressive therapy.
• Patients must not have known allergy to any of the study drugs.
• Patients with uncontrolled bacterial, viral or fungal infections (currently taking medication and with progression or no clinical improvement) at time of enrollment are not eligible.
• Patients must not have known central nervous system (CNS) involvement with multiple myeloma, defined as CSF positivity for plasma cells at any time or a parenchymal CNS plasmacytoma at time of enrollment. Lumbar puncture is not required.
• Patients must not be seropositive for hepatitis C (except in the setting of sustained virologic response, defined as undetectable viral load at least 12 weeks after completion of antiviral therapy). HCV testing is only required if clinically indicated or if the patient has a history of HCV.
• No other prior malignancy is allowed except for the following: adequately treated basal cell or squamous cell skin cancer, in situ cervical cancer, adequately treated Stage I or II cancer from which the patient is currently in complete remission, or any other cancer from which the patient has been disease free for three years.
• Patients must not have any uncontrolled intercurrent illness including (not limited to): Symptomatic CHF (NYHA III/IV), unstable angina pectoris or coronary angioplasty, or stenting within 6 months prior to registration, Unstable cardiac arrhythmia (ongoing cardiac dysrhythmias of NCI CTCAE v5.0 Grade >/= 2), intra-cardiac defibrillators, known cardiac metastases, or abnormal cardiac valve morphology (>/= Grade 3), or known psychiatric illness that would limit study compliance. Registration Step 2
•First Randomization (Post-ASCT, Pre-Maintenance)
• Patients must have completed ASCT within 180 days prior to registering to Step 2.
• Patients must have one of the following performed within 60 days prior to registration for disease assessment: diagnostic quality skeletal survey, whole body CT scan, MRI, or PET.
• Patients must have Zubrod Performance Status • Patients must have adequate bone marrow function as evidenced by platelets >/= 75,000/mm3 and ANC >/= 1,000/mm3 within 28 days prior to first randomization:
• Patients must have adequate hepatic function defined by the following within 28 days prior to first randomization:
• Total bilirubin • Patients must have evidence of adequate renal function, as defined by creatinine clearance (CrCl) >/= 30 mL/min., as measured by a 24-hour urine collection, or estimated by the Cockcroft and Gault formula, or have a serum creatinine < 2.5 mg/dL within 28 days prior to first randomization.
• All ASCT-related toxicities must have recovered to • Mucositis and gastrointestinal symptoms must have resolved to • Females of childbearing potential (FCBP) must have a negative serum or urine pregnancy test with a sensitivity of at least 25 mIU/mL within 10-14 days prior to registration.
• FCBP must agree to have a second pregnancy test within 24 hours prior to starting Cycle 1. Further, FCBP must either commit to continued abstinence from heterosexual intercourse or begin TWO acceptable methods of birth control: one highly effective method and one additional effective method AT THE SAME TIME, at least 28 days before starting lenalidomide. FCBP must also agree to ongoing pregnancy testing and must agree to not become pregnant for at least 3 months after the last dose of study treatment.
• Men must agree to use a latex condom during sexual contact with a FCBP, even if they have had a successful vasectomy, during the study treatment and for 3 months after the last dose of study treatment.
• Patients must be informed of the investigational nature of this study and must sign and give written informed consent in accordance with institutional and federal guidelines.
• Patients must not have received any other maintenance therapy post-ASCT and prior to Step 2 registration.
• Patients must not have had progressive disease between induction and registration to Registration Step 2. (See Section 10.1b). Registration Step 3
•Second Randomization (Post 24 Months Maintenance)
• Patients must have completed 24 cycles of protocol maintenance with either lenalidomide or lenalidomide + daratumumab/rHuPH20.
• Patients must have 24-month MRD by NGS test results available and must be MRD negative. Patients whose PCR results are indeterminable will be considered to have positive results.
• Patients must be in very good partial remission (VGPR) or better by IMWG response criteria (see Section 10.1b).

• Patients must be diagnosed with asymptomatic high-risk smoldering multiple myeloma (SMM) within the past 12 months. High-risk is defined by the presence of 2 or more of the following factors:
• Abnormal serum free light chain ratio of involved to uninvolved >20, but less than 100 if the involved FLC is >= 10 mg/dL by serum free light chain (FLC) assay
• Serum M-protein level >= 2 gm/dL
• Presence of t(4;14) or del 17p, del 13q or 1q gain by conventional cytogenetics or fluorescence in situ hybridization (FISH) studies.
• >20% plasma cells on biopsy or aspirate
• Bone marrow aspirate and/or biopsy is required to be performed within 42 days prior to randomization and must demonstrate 10-59% clonal plasma cells.
• >= 1 g/dL on serum protein electrophoresis (within 28 days prior to randomization).
• >= 200 mg of monoclonal protein on a 24 hour urine protein electrophoresis (within 28 days prior to randomization).
• NOTE: In the rare situation where the serum protein electrophoresis (SPEP) is felt to be unreliable, then quantitative immunoglobulin levels on nephelometry or turbidometry can be accepted.
• SPEP, urine protein electrophoresis (UPEP), and serum FLC are required to be performed within 28 days prior to randomization.
• NOTE: UPEP (on a 24-hour collection) is required; no substitute method is acceptable. Urine must be followed monthly if the baseline urine M-spike is >= 200 mg/24 hour (hr), and urine in addition to serum must be followed in order to confirm a very good partial response (VGPR) or higher response.
• Patients must have no lytic lesions, no known plasmacytoma, and no unexplained hypercalcemia (i.e., > 11 mg/dL or 1mg/dL above upper limit of normal [ULN]).
• Hemoglobin >= 11 g/dL (within 28 days prior to randomization).
• Platelet count >= 100,000 cells/mm^3 (within 28 days prior to randomization).
• Absolute neutrophil count >= 1500 cells/mm^3 (within 28 days prior to randomization).
• Calculated creatinine clearance >= 30 mL/min (within 28 days prior to randomization).
• Bilirubin =< 1.5 mg/dL (within 28 days prior to randomization).
• Serum glutamate pyruvate transaminase (SGPT) (alanine aminotransferase [ALT]) and serum glutamic oxaloacetic transaminase (SGOT) (aspartate aminotransferase [AST]) =< 2.5 times the upper limit of normal (within 28 days prior to randomization).
• Patients must not have any prior or concurrent systemic or radiation therapy for the treatment of myeloma. Patients must also not have contraindication to deep vein thrombosis (DVT) prophylaxis/aspirin.
• Patients must not have more than one focal marrow lesion on magnetic resonance imaging (MRI) of either pelvis or spine. Patients with indwelling pacemakers and/or ICD (implantable cardioverter-defibrillator) that is known or suspected to be MRI incompatible will be excused from this test.
• Concurrent use of erythropoietin is not allowed while on study therapy.
• Prior or glucocorticosteroid therapy for the treatment of multiple myeloma is not permitted. Prior systemic glucocorticosteroid use for the treatment of non-malignant disorders is permitted; concurrent use after registration on the study should be restricted to the equivalent of prednisone 10 mg per day. Prior or concurrent topical or localized glucocorticosteroid therapy to treat non-malignant comorbid disorders is permitted.
• Patients must not have active, uncontrolled seizure disorder. Patients must not have had a seizure in the last 6 months.
• Patients must not have uncontrolled intercurrent illness including uncontrolled hypertension, symptomatic congestive heart failure, unstable angina, uncontrolled cardiac arrhythmia, uncontrolled psychiatric illness or social situation that would limit compliance with the study, or a prior history of Stevens Johnson syndrome.
• Patient must have an Eastern Cooperative Oncology Group (ECOG) performance status 0, 1, or 2.
• Patients with monoclonal gammopathy of undetermined significance are not eligible.
• Patients must not have grade 2 or higher peripheral neuropathy per CTCAE.
• Patients must not have active, uncontrolled infection.
• Patients may have a history of current or previous deep vein thrombosis or pulmonary embolism but are required to take some form of anti-coagulation as prophylaxis if they are not currently on full-dose anticoagulation.
• Patients should not have New York Heart Association classification III or IV heart failure at baseline.
• Patients with a history of prior malignancy are eligible provided they were treated with curative intent and have been free of disease for the time period considered appropriate for cure of the specific cancer. For most diseases this time frame is 5 years.
• Patients must agree to register into the mandatory Risk Evaluation and Mitigation Strategy (REMS) program and be willing and able to comply with the requirements of REMS.
• Women must not be pregnant due to potential harm to the fetus from daratumumab and lenalidomide. All females of childbearing potential (FCBP) must have a blood test or urine study with a sensitivity of at least 25 mIU/mL within 10-14 days prior to the first dose of lenalidomide and again within 24 hours prior to the first dose of lenalidomide. FCBP must also agree to ongoing pregnancy testing while on treatment. A female of childbearing potential is any woman, regardless of sexual orientation or whether they have undergone tubal ligation, who meets the following criteria: 1) has achieved menarche at some point, 2) has not undergone a hysterectomy or bilateral oophorectomy, or 3) has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months).
• Females of childbearing potential (FCBP) must either abstain from sexual intercourse for the duration of their participation in the study or agree to use TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME for 1) at least 28 days before starting study treatment; 2) while participating in the study; 3) during dose interruptions; and 4) for at least 28 days after the last dose of protocol treatment (FCBP who are assigned to Arm A and receive daratumumab must extend this contraception requirement to 3 months after the last dose of protocol treatment). Women must also agree to not breastfeed during this same time period. Men must agree to either abstain from sexual intercourse for the duration of their participation in the study or use a latex condom during sexual contact with a FCBP while participating in the study and for 28 days after the last dose of protocol treatment even if they have had a successful vasectomy. Men must also agree to abstain from donating sperm while on study treatment and for 28 days after the last dose of protocol treatment even if they have had a successful vasectomy. Both women and men must both agree to abstain from donating blood during study participation and for at least 28 days after the last dose of protocol treatment.
• Human immunodeficiency virus (HIV)+ patients with undetectable HIV viral loads tested within 6 months are eligible.
• Patients should not have a history of allergic reactions attributed to compounds of similar chemical or biologic composition to daratumumab, lenalidomide, or dexamethasone.
• Patients must not have known chronic obstructive pulmonary disease (COPD) with a forced expiratory volume in 1 second (FEV1) <50% of predicted normal or known moderate or severe persistent asthma within 2 years prior to randomization

• INCLUSION CRITERIA FOR SCREENING (STEP 0
•PREREGISTRATION)
• Patients must have histologically confirmed mantle cell lymphoma, with cyclin D1 by immunohistochemical stains and/or t(11;14) by cytogenetics or FISH. If patient has cyclin D1 negative mantle cell lymphoma with classical morphology and an expression profile (including SOX11+) that is otherwise indistinguishable from mantle cell lymphoma, communication with investigator is required for consideration of enrollment. The proliferation rate, using Ki-67 or MIB-1, should also be determined, but is not required until Step 1 registration. Patients may register to Step 0 without a documented Ki-67 index.
• Patients should be deemed to be potentially eligible and willing candidates for auto-HCT by the enrolling physician
• Patient may be receiving or have completed induction therapy within 60 days prior to preregistration to step 0; no more than 300 days may have passed between the first day of induction therapy and preregistration to step 0
• For patients who have completed induction therapy, restaging evaluation must show status of partial (PR) or complete response (CR); patients preregistered post-induction with evidence of clinical disease progression are not eligible for preregistration
• Up to two regimens of chemotherapy are allowed as long as a continuous response was ongoing throughout therapy
• NOTE: For example, a patient who started treatment with rituximab/bendamustine and was then switched to rituximab(R)-cyclophosphamide, doxorubicin hydrochloride, vincristine sulfate, and prednisone (CHOP) (due to insufficient response or excessive toxicity) would be counted as having received 2 regimens; however, R-CHOP alternating with R-dexamethasone, high-dose cytarabine, and cisplatin (DHAP) as a planned induction regimen would count as one regimen
• Patient does not have any documented history of central nervous system (CNS) involvement by mantle cell lymphoma; this includes no evidence of parenchymal brain, spinal cord, or cerebrospinal fluid involvement; radiculopathy symptoms from nerve root compression by lymphoma do not constitute CNS involvement
• Patient must have archived formalin-fixed paraffin-embedded (FFPE) tumor tissue specimen from the original diagnostic biopsy available for submission to Adaptive Biotechnologies for ClonoSEQ ID molecular marker identification of unique clonal immunoglobulin deoxyribonucleic acid (DNA) sequence
• NOTE: Patients for whom the molecular marker is identified will have peripheral blood collected after completion of induction (patient?s disease status is PR or CR) and submitted to Adaptive Biotechnologies for minimal residual disease (MRD) assessment
• INCLUSION CRITERIA FOR TREATMENT ASSIGNMENT (STEP 1)
• Patients must have met eligibility criteria for the screening step
• Institution has received results from Adaptive Biotechnologies as defined by one of the following criteria:
• Patients are ?MRD Indeterminate?: ClonoSEQ ID molecular marker assessment did not identify any unique clonal immunoglobulin DNA sequence OR
• ClonoSEQ ID molecular marker assessment identified unique clonal immunoglobulin DNA sequence and MRD assessment is completed
• Patients must have completed induction therapy within 120 days prior to preregistration to step 0, AND no more than 300 days may have elapsed from the first dose of induction chemotherapy (cycle 1 [C1] day 1 [D1]) given, until the last day of induction chemotherapy administered; for those assigned to Arms A, C, or D, the date of transplant (?day 0?) must not be greater than 365 days after the first dose of induction chemotherapy (C1D1) given
• Patient must have received at least four (4) cycles of induction therapy
• Up to two regimens of chemotherapy are allowed as long as a continuous response was ongoing throughout therapy
• NOTE: For example, a patient who started treatment with rituximab/bendamustine and was then switched to R-CHOP (due to insufficient response or excessive toxicity) would be counted as having received 2 regimens; however, R-CHOP alternating with R-DHAP as a planned induction regimen would count as one regimen
• Patients must have achieved a radiologic complete or partial remission as defined by the Lugano criteria
• Patients must meet institutional eligibility requirements for stem cell transplant, including cardiac, renal, liver, and pulmonary requirements
• Patients have an Eastern Cooperative Oncology Group (ECOG) performance status of 0-2
• Human immunodeficiency virus (HIV) positive patients are not excluded, but to enroll, must meet all of the below criteria:
• HIV is sensitive to antiretroviral therapy
• Must be willing to take effective antiretroviral therapy if indicated
• CD4 count at screening >= 300 cells/mm^3
• No history of acquired immune deficiency syndrome (AIDS)-defining conditions
• Patient must be disease-free >= 3 years of prior malignancies with the exception of adequately treated non-melanoma skin cancer, adequately treated in situ carcinoma, low grade prostate carcinoma (Gleason grade =< 6) managed with observation that has been stable for at least 6 months
• Women must not be pregnant or breast-feeding
• All females of childbearing potential must have a blood test or urine study within 2 weeks prior to registration to rule out pregnancy
• A female of childbearing potential is any woman, regardless of sexual orientation or whether they have undergone tubal ligation, who meets the following criteria: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months)
• Women of childbearing potential and sexually active males must be strongly advised to use an accepted and effective method of contraception or to abstain from sexual intercourse for the duration of their participation in the study

• STEP 0
•Patient must have an Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0-2 (PS 3 allowed if secondary to pain)
• STEP 0
•Patient must have newly diagnosed multiple myeloma (MM) by International Myeloma Working Group (IMWG) criteria
• STEP 0
•Patient must agree to register to the mandatory REVLIMID Risk Evaluation and Mitigation Strategy (RevREMS) program and be willing and able to comply with the requirements of RevREMS
• STEP 0
•Patient must be able to undergo diagnostic bone marrow aspirate following preregistration.
• NOTE: Bone marrow aspirate specimen must be submitted to Adaptive Biotechnologies for clonoSEQ Assay
• NOTE: Adaptive Biotechnologies will release results to the diagnostic Portal from the Clonality (ID) test within fourteen (14) days of receipt and reconciliation of fresh bone marrow specimen to the submitting institution
• STEP 1
•Patient must meet all eligibility criteria in STEP 0 with exception of allergy requirement
• STEP 1
•Institution must have received the Clonality (ID) test results from Adaptive Biotechnologies and dominant sequences were identified
• STEP 1
•Patient must have standard risk MM as defined by the Revised International Staging System (RISS) stage I or II
• NOTE: R-ISS stage is based on serum beta2 microglobulin, albumin and lactate dehydrogenase (LDH) levels along with presence of chromosomal abnormalities (CA) detected by interphase fluorescent in situ hybridization (iFISH). Presence of del(17p), t(4;14), and/or t(14;16) is considered high risk and absence of these, including any other findings, are standard risk
• R-ISS stage
• Stage I: ISS stage I [beta2 macroglobulin < 3.5 mg/L, albumin > 3.5 g/dL] AND standard-risk CA AND normal LDH
• Stage II: Not R-ISS stage I or III
• Stage III: ISS stage III [beta2 macroglobulin > 5.5 mg/L] AND high-risk CA OR high LDH (> upper limit of normal) [patients with stage III are ineligible]
• STEP 1
•Patient must have measurable or evaluable disease as defined by having one or more of the following, obtained within 28 days prior to registration:
• >= 1 g/dL monoclonal protein (M-protein) on serum protein electrophoresis
• >= 200 mg/24 hours of monoclonal protein on a 24-hour urine protein electrophoresis
• Involved free light chain >= 10 mg/dL or >= 100 mg/L AND abnormal serum immunoglobulin kappa to lambda free light chain ratio (< 0.26 or > 1.65)
• Monoclonal bone marrow plasmacytosis >= 30% (evaluable disease)
• STEP 1
•Patients must have a serum protein electrophoresis (SPEP), urine protein electrophoresis (UPEP), and serum free light chain (FLC) assay performed within 28 days prior to registration. In addition, a bone marrow biopsy and/or aspirate is required within 28 days if bone marrow is being followed for response
• NOTE: UPEP (on a 24-hour collection) is required, no substitute method is acceptable. Urine must be followed monthly if the baseline urine M-spike is >= 200 mg/24 hr. Please note that if both serum and urine M-components are present, both must be followed in order to evaluate response
• NOTE: The serum free light chain test is required to be done if the patient does not have measurable disease in the serum or urine. Measurable disease in the serum is defined as having a serum M-spike >= 1 g/dL. Measurable disease in the urine is defined as having a urine M-spike >= 200 mg/24 hr
• STEP 1
•Calculated creatinine clearance > 30 mL/min (obtained =< 14 days prior to Step 1 registration)
• STEP 1
•Absolute neutrophil count (ANC) >= 1000/mm^3 (obtained =< 14 days prior to Step 1 registration)
• STEP 1
•Untransfused platelet count >= 75,000/mm^3 (obtained =< 14 days prior to Step 1 registration)
• STEP 1
•Hemoglobin >= 8.0 g/dL (obtained =< 14 days prior to Step 1 registration)
• STEP 1
•Total bilirubin =< 1.5 x ULN (institutional upper limit of normal) (obtained =< 14 days prior to Step 1 registration)
• STEP 1
•Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) =< 3 x ULN (obtained =< 14 days prior to Step 1 registration)
• STEP 1
•Patient must have received no more than one cycle (28 days or less) of prior chemotherapy and no more than 160 mg of prior dexamethasone (or equivalent dose of prednisone) for treatment of symptomatic myeloma. Patient must not have been exposed to daratumumab for treatment of symptomatic myeloma. Prior radiation therapy to symptomatic lesions is allowed provided there are no residual toxicity related to radiation and blood counts meet the study requirements. Radiation treatment must be completed at least 14 days prior to Step 1 registration
• STEP 1
•Human immunodeficiency virus (HIV)-infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months of randomization are eligible for this trial
• STEP 1
•For patients with evidence of chronic hepatitis B virus (HBV) infection, the HBV viral load must be undetectable on suppressive therapy, if indicated
• STEP 1
•Patients with a history of hepatitis C virus (HCV) infection must have been treated and cured. For patients with HCV infection who are currently on treatment, they are eligible if they have an undetectable HCV viral load
• STEP 1
•Patients with a prior or concurrent malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial
• STEP 1
•Patients with known history or current symptoms of cardiac disease, or history of treatment with cardiotoxic agents, should have a clinical risk assessment of cardiac function using the New York Heart Association Functional Classification. To be eligible for this trial, patients should be class 2B or better. Patients must not have evidence of current uncontrolled cardiovascular conditions, including hypertension, cardiac arrhythmias, congestive heart failure, unstable angina, or myocardial infarction within 6 months prior to Step 1 registration
• STEP 1
•Patient may have a history of current or previous deep vein thrombosis (DVT) or pulmonary embolism (PE) but must be willing to take some form of anti-coagulation as prophylaxis if they are not currently on full-dose anticoagulation
• STEP 1
•Patients with a history of chronic obstructive pulmonary disease (COPD) must have FEV1 testing done within 28 days prior to Step 1 registration and the forced expiratory volume in 1 second (FEV1) must be > 50% of predicted normal
• STEP 2
•Institution must have received Tracking (MRD) test results from Adaptive Biotechnologies
• STEP 2
•Patient must have completed the Step 1 Induction phase of this protocol without experiencing progression
• STEP 2
•Patient must be registered to Step 2 within 8 weeks of completing Step 1 Induction Treatment, counting from last day of completion of last cycle
• STEP 2
•Patient must have an ECOG performance status (PS) of 0-2 (PS 3 allowed if secondary to pain)
• STEP 2
•Any adverse event(s) related to Step 1 Induction Treatment must have resolved to grade 2 or less
• STEP 2
•Hemoglobin >= 8 g/dL (obtained within 14 days prior to Step 2 randomization)
• STEP 2
•Platelet count >= 50,000/mm^3 (obtained within 14 days prior to Step 2 randomization)
• STEP 2
•Absolute neutrophil count (ANC) >= 1000/mm^3 (obtained within 14 days prior to Step 2 randomization)
• STEP 2
•Calculated creatinine clearance >= 30 mL/min (obtained within 14 days prior to Step 2 randomization)
• STEP 2
•Total bilirubin =< 1.5 x ULN (Institutional upper limit of normal) (obtained within 14 days prior to Step 2 randomization)
• STEP 2
•ALT and AST < 3 x ULN (obtained within 14 days prior to Step 2 randomization)
• STEP 0
•Patient must not have any known allergies, hypersensitivity, or intolerance to corticosteroids, monoclonal antibodies or human proteins, or their excipients (refer to respective package inserts or Investigator's Brochure), or known sensitivity to mammalian-derived products
• STEP 1
•Women must not be pregnant or breast-feeding due to the potential harm and teratogenic effects to an unborn fetus and possible risk for adverse events in nursing infants with the treatment regimens being used. All females of childbearing potential must have a blood test or urine study with a sensitivity of at least 25 mIU/mL within 10-14 days prior to Step 1 registration to rule out pregnancy and again within 24 hours prior to the first dose of lenalidomide. Females of childbearing potential must also agree to ongoing pregnancy testing while on protocol treatment. A female of childbearing potential is defined as any woman, regardless of sexual orientation or whether they have undergone tubal ligation, who meets the following criteria:
• Has achieved menarche at some point,
• Has not undergone a hysterectomy or bilateral oophorectomy; or
• Has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months)
• STEP 1
•Women of childbearing potential must not expect to conceive children by using accepted and effective method(s) of contraception (for this protocol defined as the use of TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME for 1) at least 28 days before starting protocol treatment; 2) while participating in the study; 3) during dose interruptions; and 4) for at least 3 months days after the last dose of protocol treatment) OR by practicing true abstinence from sexual intercourse for the duration of their participation in the study (periodic abstinence [e.g., calendar, ovulation, symptothermal, post-ovulation methods] and withdrawal are not acceptable methods of contraception). Men must not expect to father children by practicing true abstinence from sexual intercourse for the duration of their participation in the study (periodic abstinence [e.g., calendar, ovulation, symptothermal, post-ovulation methods] and withdrawal are not acceptable methods of contraception) OR use a latex condom during sexual contact with a female of child bearing potential while participating in the study and for at least 3 months after the last dose of protocol treatment even if they have had a successful vasectomy. Men must also agree to abstain from donating sperm while on study treatment and for 3 months after the last dose of protocol treatment even if they have had a successful vasectomy. Both women and men must both agree to abstain from donating blood during study participation and for at least 28 days after the last dose of protocol treatment
• STEP 1
•Patient must not have peripheral neuropathy >= grade 2 on clinical examination or grade 1 with pain at time of Step 1 registration
• STEP 1
•Patient must not have any serious medical or psychiatric illness that could, in the investigator's opinion, potentially interfere with the completion of treatment according to this protocol
• STEP 1
•Patient must not have moderate or severe persistent asthma within the past 2 years, or uncontrolled asthma of any classification
• NOTE: Patients who currently have controlled intermittent asthma or controlled mild persistent asthma are allowed to register
• STEP 1
•Patient must not receive any other concurrent chemotherapy, or any ancillary therapy considered investigational while on this protocol
• NOTE: Bisphosphonates are considered to be supportive care rather than therapy, and are thus allowed while on protocol treatment
• STEP 2
•Patient must not have received any non-protocol therapy outside of the assigned Step 1 Induction treatment including stem cell transplant
• STEP 2
•Women must not be pregnant or breast-feeding due to the potential harm and teratogenic effects to an unborn fetus and possible risk for adverse events in nursing infants with the treatment regimens being used. All females of childbearing potential must have a blood test or urine study with a sensitivity of at least 25 mIU/mL within 10-14 days prior to Step 2 randomization to rule out pregnancy and again within 24 hours prior to the first dose of lenalidomide. Females of childbearing potential must also agree to ongoing pregnancy testing while on protocol treatment. A female of childbearing potential is defined as any woman, regardless of sexual orientation or whether they have undergone tubal ligation, who meets the following criteria:
• Has achieved menarche at some point,
• Has not undergone a hysterectomy or bilateral oophorectomy; or
• Has not been naturally postmenopausal (amenorrhea following cancer therapy does not rule out childbearing potential) for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months).
• STEP 2
•Women of childbearing potential must not expect to conceive children by using accepted and effective method(s) of contraception (for this protocol defined as the use of TWO acceptable methods of birth control, one highly effective method and one additional effective method AT THE SAME TIME for 1) at least 28 days before starting protocol treatment; 2) while participating in the study; 3) during dose interruptions; and 4) for at least 3 months days after the last dose of protocol treatment) OR by practicing true abstinence from sexual intercourse for the duration of their participation in the study (periodic abstinence [e.g., calendar, ovulation, symptothermal, post-ovulation methods] and withdrawal are not acceptable methods of contraception). Men must not expect to father children by practicing true abstinence from sexual intercourse for the duration of their participation in the study (periodic abstinence [e.g., calendar, ovulation, symptothermal, post-ovulation methods] and withdrawal are not acceptable methods of contraception) OR use a latex condom during sexual contact with a female of child bearing potential while participating in the study and for at least 3 months after the last dose of protocol treatment even if they have had a successful vasectomy. Men must also agree to abstain from donating sperm while on study treatment and for 3 months after the last dose of protocol treatment even if they have had a successful vasectomy. Both women and men must both agree to abstain from donating blood during study participation and for at least 28 days after the last dose of protocol treatment

• Pre-registration Eligibility Criteria (Step 0)
• Submission of bone marrow aspirate and peripheral blood for MRD analysis is mandatory prior to registration; the bone marrow sample should be from the first aspiration (i.e. first pull). Aspirate needle should be redirected if needed to get first pull bone marrow aspirate. It should be initiated as soon as possible after pre-registration. The specimens should be sent to the HEME Biobank.
• Lumbar Puncture (Spinal Tap) and Intrathecal Methotrexate:
• Patients may receive the day 1 of course IA dose of intrathecal (IT) methotrexate during the prior-to-registration lumbar puncture (or the venous line placement) to avoid a second lumbar puncture. If the dose is administered prior to registration, then systemic chemotherapy must begin within 7 days of this IT chemotherapy.
• Registration Eligibility Criteria (Step 1)
• Morphologic diagnosis of precursor B-cell acute lymphoblastic leukemia (ALL) based on World Health Organization (WHO) criteria. Patients with Burkitt lymphoma/leukemia are not eligible.
• CD22-positive disease defined as CD22 expression by >= 20% of lymphoblasts by local hematopathology evaluation.
• Philadelphia chromosome/BCR-ABL1-negative ALL by cytogenetics, fluorescence in situ hybridization (FISH), and/or polymerase chain reaction (PCR). If any test is positive for Philadelphia chromosome/BCR-ABL1, then the patient is ineligible.
• No active central nervous system (CNS) leukemia (i.e. only CNS-1 disease allowed). Active CNS leukemia is defined as morphologic evidence of lymphoblasts in the cerebrospinal fluid (CSF), use of CNS-directed local treatment for active disease within 28 days prior to registration, symptomatic CNS leukemia (i.e. cranial nerve palsies or other significant neurological dysfunction) within the 28 days prior to registration, and/or known asymptomatic parenchymal CNS mass lesions; see below for additional guidance. Prophylactic intrathecal medication alone is not an exclusion.
• Categories of CNS Involvement for CNS Evaluation Prior to Registration:
• CNS 1: CSF has < 5 WBC/uL with cytospin negative for blasts; or >= 10 red blood cell (RBC)/uL with cytospin negative for blasts.
• CNS 2: CSF has < 5 WBC/uL with cytospin positive for blasts; or >= 10 RBC/uL with cytospin positive for blasts; or >= 10 RBC/uL, WBC/uL >= 5 but less than Steinherz/Bleyer algorithm with cytospin positive for blasts (see below).
• CNS 3: CSF has >= 5 WBC/uL with cytospin positive for blasts; or >= 10 RBC/uL, >= 5 WBC/uL and positive by Steinherz/Bleyer algorithm (see below); or clinical signs of CNS leukemia (such as facial nerve palsy, brain/eye involvement or hypothalamic syndrome). Steinherz/Bleyer Method of Evaluating Initial Traumatic Lumbar Punctures:
• If the patient has leukemia cells in the peripheral blood and the lumbar puncture is traumatic and contains >= 5 WBC/uL with blasts, the following algorithm should be used to define CNS disease: CSF WBC/CSF RBC > 2 x (Blood WBC/Blood RBC count)
• Patients with known or suspected testicular involvement by leukemia are allowed provided that the patient receives concomitant scrotal/testicular radiotherapy.
• Unilateral or bilateral testicular enlargement should be assessed by ultrasound or other imaging technique. Biopsy is recommended if clinical findings are equivocal or suggestive of hydrocele or a non-leukemic mass, but further assessments are per treating physician discretion.
• Not pregnant and not nursing.
• This study involves agents that have known genotoxic, mutagenic, and teratogenic effects. Therefore, for women of childbearing potential only, a negative pregnancy test done =< 7 days prior to registration is required.
• Eastern Cooperative Oncology Group (ECOG) performance status: 0-2
• No unstable cardiac disease such as myocardial infarction, angina pectoris, uncontrolled heart failure, or uncontrolled cardiac arrhythmia within 6 months of registration.
• No impaired cardiac function, defined as left ventricular ejection fraction (LVEF) < 45% or New York Heart Association (NYHA) stage III or IV congestive heart failure (CHF).
• Patients with known human immunodeficiency virus (HIV) infection are eligible if they have been on effective antiretroviral therapy with an undetectable viral load tested within 6 months of registration.
• Patients with hepatitis B virus (HBV) are eligible only if they meet all the following:
• On HBV-suppressive therapy.
• No evidence of active virus.
• No evidence of HBV-related liver damage.
• Patients with hepatitis C virus (HCV) are eligible only if they meet all the following:
• Successfully completed complete-eradication therapy with undetectable viral load.
• No evidence of HCV-related liver damage.
• No history of clinically relevant neurologic disorder such as epilepsy, seizure, aphasia, stroke, severe brain injury, structural brain abnormality, benign brain tumor, dementia, Parkinson's disease, movement disorder, cerebellar disease, or other significant CNS abnormalities.
• No prior additional malignancy (i.e. in addition to ALL) except adequately treated basal- or squamous-cell skin cancer, in situ cervical cancer, stage I or II cancer from which the patient is currently in complete remission, or any other cancer from which the patient has been disease-free for >= 2 years.
• No history of clinically significant ventricular arrhythmia, unexplained non-vasovagal syncope, or chronic bradycardic states such as sinoatrial block or higher degree of atrioventricular block unless a permanent pacemaker has been implanted.
• No history of chronic liver disease, including cirrhosis.
• No history of sinusoidal occlusion syndrome/veno-occlusive disease of the liver.
• No uncontrolled infection or recent history (within 4 months prior to registration) of deep tissue infections such as fasciitis or osteomyelitis.
• Total bilirubin, serum =< 1.5 x upper limit of normal (ULN)*
• Except in the event of: 1) Gilbert disease, in which case total bilirubin must be =< 2 x ULN, or 2) elevated bilirubin believed by investigator to be due to leukemic infiltration, in which case total bilirubin must be =< 2 x ULN.
• Aspartate aminotransferase (AST)/alanine aminotransferase (ALT) =< 2.5 x ULN
• Creatinine, serum =< 1.5 ULN OR creatinine clearance >= 40 mL/min
• QT interval by Fridericia's correction formula (QTcF) =< 470 msec
• Cohort 1 Patients Only
• Age >= 60 years.
• No prior treatment for ALL except a single dose of intrathecal chemotherapy, corticosteroids, hydroxyurea, and/or leukapheresis to reduce peripheral blast count and prevent ALL complications. Allowed therapy may be administered for no more than 14 days and must be completed >= 24 hours prior to the initiation of protocol therapy.
• No plan for allogeneic or autologous hematopoietic cell transplantation (HCT).
• Cohort 2 Patients Only:
• Age >= 18 years.
• Relapsed or refractory disease in salvage 1 or 2.
• No isolated extramedullary relapse.
• Prior allogeneic HCT permitted.
• Patients with prior allogeneic HCT must have completed transplantation >= 4 months prior to registration.
• Patients with prior allogeneic HCT must have no evidence of graft-versus-host disease and must have completed immunosuppressive therapy >= 30 days prior to registration.
• Prior treatment with inotuzumab ozogamicin, blinatumomab, other CD22-directed therapy, or other CD19-directed therapy is not allowed.
• Prior treatment with rituximab must be completed >= 7 days prior to registration.
• Prior treatment with other monoclonal antibodies must be completed >= 6 weeks prior to registration.
• Prior treatment for ALL must be completed >= 14 days prior to registration with the following exceptions: intrathecal chemotherapy, hydroxyurea, corticosteroids, 6-mercaptopurine, methotrexate, vincristine, and/or leukapheresis to reduce circulating absolute lymphoblast count to =< 10,000/uL or prevent complications related to ALL are allowed but must be completed >= 24 hours prior to the initiation of protocol therapy.
• Patients should have resolution of any acute non-hematologic toxicities of prior therapy to National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version (v)5.0 grade =< 1.
• Peripheral blood absolute lymphoblast count =< 10,000/uL (treatment allowed as above to reduce blast count to =< 10,000/uL)

1. Subject and/or LAR must understand and voluntarily sign an informed consent form prior to any study-related assessments/procedures being conducted. 2. Subject has relapsed and/or refractory large B-cell lymphoma and is, per the treating physician assessment, eligible for treatment with lisocabtagene maraleucel per the approved prescribing information. 3. Subject is ≥ 18 years of age at the time of signing the informed consent form. 4. Subject had a specific batch of lisocabtagene maraleucel manufactured intended for commercial treatment; however, the final manufactured product did not meet commercial release criteria. 5. Remanufacturing (eg, repeat leukapheresis and manufacturing) is deemed not feasible or clinically inappropriate per assessment of the treating physician in discussion with the subject. 6. Subject is clinically stable, has recovered from any toxicities prior to receiving lymphodepleting chemotherapy, and has adequate bone marrow function to receive lymphodepleting chemotherapy. The treating physician is advised to contact Medical Monitor in the event there is any concern regarding administration of lymphodepleting chemotherapy. 7. Females of childbearing potential must: 1. Have a negative pregnancy test as verified by the treating physician within 7 days prior to the first dose of lymphodepleting chemotherapy following institutional testing methodology practices. This applies even if the subject practices true abstinence from heterosexual contact. 2. Either commit to true abstinence from heterosexual contact or agree to use, and be able to comply with, effective contraception without interruption. Contraception methods must include 1 highly effective method from screening until at least 12 months after the nonconforming lisocabtagene maraleucel administration. 3. Agree to abstain from breastfeeding during study participation and for at least 12 months following nonconforming lisocabtagene maraleucel administration. 4. There are insufficient exposure data to provide any recommendation concerning the duration of contraception and the abstaining from breastfeeding following treatment with lisocabtagene maraleucel. Any decision regarding contraception and breastfeeding after infusion should be discussed with the treating physician. 8. Male subjects must: 1. Practice true abstinence or agree to use a condom during sexual contact with a pregnant female or a female of childbearing potential for at least 12 months after nonconforming lisocabtagene maraleucel administration even if the subject has undergone a successful vasectomy. 2. There are insufficient exposure data to provide any recommendation concerning the duration of contraception following treatment with lisocabtagene maraleucel. Any decision regarding contraception after infusion should be discussed with the treating physician 9. Subject must agree to not donate blood, organs, tissue, sperm or semen and egg cells for usage in other individuals for at least 1 year following nonconforming lisocabtagene maraleucel administration. 1. Subject has a hypersensitivity to the active substance or to any of the excipients. 2. Subject should not experience a significant worsening in clinical status that would, in the opinion of the treating physician, either increase the risk of adverse events associated with lymphodepleting chemotherapy, or exclude them from treatment with nonconforming lisocabtagene maraleucel. 3. Subject has any significant medical condition, laboratory abnormality, or psychiatric illness, sociologic or geographic condition that would prevent the subject from participating in the Expanded Access Protocol complying with protocol requirements in the Investigator's judgement. 4. Subject has any condition and/or laboratory abnormality that places the subject at unacceptable risk if he/she were to participate in the Expanded Access Protocol based on the Investigator's judgement 5. Pregnant or nursing women or has intention of becoming pregnant during the study. 6. Subjects with central nervous system (CNS)-only involvement by malignancy (note: subjects with secondary CNS involvement are allowed on study). 7. Subject has active hepatitis B, hepatitis C, or human immunodeficiency virus (HIV) infection at the time of pretreatment evaluation 8. Subject has uncontrolled systemic fungal, bacterial, viral or other infection despite appropriate antibiotics or other treatment at the time of nonconforming lisocabtagene maraleucel administration. 9. Subject has presence of acute or chronic graft-versus-host disease (ie, GVHD) 10. Use of the following: 1. Therapeutic doses of corticosteroids (defined as > 20 mg/day prednisone or equivalent) within 72 hours prior to nonconforming lisocabtagene maraleucel administration. Physiologic replacement, topical, and inhaled steroids are permitted. 2. Low dose chemotherapy (eg, vincristine, rituximab, cyclophosphamide ≤ 300 mg/m2)given after leukapheresis to maintain disease control must be stopped ≥ 7 days prior to lymphodepleting chemotherapy. 3. Cytotoxic chemotherapeutic agents that are not considered lymphotoxic (see below) within 1 week of LD chemotherapy. Oral chemotherapeutic agents, including lenalidomide and ibrutinib, are allowed if at least 3 half-lives have elapsed prior to lymphodepleting chemotherapy. 4. Donor lymphocyte infusions within 6 weeks of nonconforming lisocabtagene maraleucel administration.

• Documented diagnosis of chronic lymphocytic leukemia (CLL) that requires treatment for CLL according to International Workshop for Chronic Lymphocytic Leukemia (iwCLL) 2018 criteria.
• Previously completed venetoclax + anti-CD20 antibody +/- X regimen as a fixed duration first-line (1L) therapy and achieved documented response, defined as complete remission, complete remission with incomplete marrow recovery, partial remission, or nodular partial remission.
• More than 24 months (Cohort 1) or 12-24 months (Cohort 2) have elapsed between last dose of venetoclax and disease progression after completion of 1L treatment.
•Received intervening treatment for CLL after completing previous treatment with a venetoclax + anti-CD20 antibody +/- X regimen.

• Patients must be less than 22 years of age at the time of study enrollment
• Patient must have one of the following:
• Patient has known or suspected relapsed/refractory (including primary refractory) AML
• This includes isolated myeloid sarcoma
• Patient has known or suspected relapsed/refractory (including primary refractory) myeloid leukemia of Down syndrome
• Patient has known or suspected relapsed ALL that meets one of the following criteria:
• Second or greater B-ALL medullary relapse, excluding KMT2Ar.
• Any first or greater B-ALL medullary relapse involving KMT2Ar.
• Any first or greater T-ALL medullary relapse with or without KMT2Ar.
• Patient has known or suspected relapsed/refractory (including primary refractory) mixed phenotype acute leukemia (MPAL)
• Patient has known or suspected de novo or relapsed/refractory (including primary refractory) treatment-related AML (t-AML) or treatment-related myelodysplastic syndrome (t-MDS)
• Patient has known or suspected de novo or relapsed/refractory (including primary refractory) myelodysplastic syndrome (MDS)
• Patient has known or suspected de novo or relapsed/refractory (including primary refractory) juvenile myelomonocytic leukemia (JMML)
• All patients and/or their parents or legal guardians must sign a written informed consent
• All institutional, Food and Drug Administration (FDA), and National Cancer Institute (NCI) requirements for human studies must be met

The main inclusion criteria include, but are not limited to the following:
• For aggressive B-cell malignancies MCL: Has histologically confirmed biopsy according to the 2016 World Health Organization (WHO) classification of neoplasms of the hematopoietic and lymphoid tissues and has relapsed or refractory disease after at least 2 prior systemic therapies including a Bruton's tyrosine kinase inhibition/inhibitor(s) (BTKi), and is post chimeric antigen receptor T (CAR-T) cell therapy or is ineligible for CAR-T cell therapy.
• For aggressive B-cell malignancies MCL Cohort C: Has histologically confirmed biopsy according to the 2016 World Health Organization (WHO) classification of neoplasms of the hematopoietic and lymphoid tissues and has relapsed or refractory disease after at least 1 prior systemic therapy and has no prior exposure to a non-covalent BTKi.
• For aggressive B-cell malignancies Richter transformation lymphoma (RTL): Has histologically confirmed biopsy according to the 2016 World Health Organization (WHO) classification of neoplasms of the hematopoietic and lymphoid tissues and has relapsed or refractory disease.
• For indolent B-cell malignancies FL and CLL: Has histologically confirmed biopsy and has relapsed or refractory disease after at least 2 prior systemic therapies and no other available therapy.
• Participants who are hepatitis B surface antigen (HBsAg) positive are eligible if they have received hepatitis B virus (HBV) antiviral therapy for at least 4 weeks and have undetectable HBV viral load prior to randomization/allocation.
• Have an ECOG performance status of 0 to 2 assessed within 7 days before cycle 1 day 1.
• Has received solid organ transplant at any time.
• Has clinically significant (ie, active) cardiovascular disease: cerebral vascular accident/stroke (<6 months prior to enrollment), myocardial infarction (<6 months prior to enrollment), unstable angina (<6 months prior to enrollment), congestive heart failure (New York Heart Association Classification Class ≥II), or serious cardiac arrhythmia requiring medication.
• Has pericardial effusion or clinically significant pleural effusion.
• Has ongoing Grade >1 peripheral neuropathy.
• Has a demyelinating form of Charcot-Marie-Tooth disease.
• Has a history of a second malignancy, unless potentially curative treatment has been completed with no evidence of malignancy for 2 years.
• Participants with FL who have transformed to a more aggressive type of lymphoma.
• Has received prior systemic anticancer therapy within 5 half-lives or 4 weeks (if prior therapy was a monoclonal antibodies) or 2 weeks (if prior therapy was small molecules like kinase inhibitors) prior to the first dose of study intervention.
• Has received prior radiotherapy within 28 days of start of study intervention. Participants must have recovered from all radiation-related toxicities.
• Has ongoing corticosteroid therapy exceeding 30 mg daily of prednisone equivalent.
• Has received a live or live-attenuated vaccine within 30 days before the first dose of study intervention.
• Has known active central nervous system (CNS) lymphoma involvement or active CNS involvement by lymphoma.
• Has an active infection requiring systemic therapy.
• Has a known history of human immunodeficiency virus (HIV) infection.
• Active HBV or hepatitis C virus (HCV) infection.
• For Cohort C only: has any clinically significant gastrointestinal abnormalities that might alter absorption.

• Written informed consent and HIPAA authorization for release of personal health information. NOTE: HIPAA authorization may be included in the informed consent or obtained separately.
• Age ≥ 18 years at the time of consent.
• ECOG Performance Status of 0-2 within 10 days prior to registration.
• Low grade follicular lymphoma (grade 1-2 or 3A by WHO-HAEM4R and/or cFL by WHO-HAEM5). Specifically, grade 3B or FLBL will not be allowed. Must not have evidence of transformed lymphoma at the time of study enrollment.
• Stage II, III, or IV by Ann Arbor staging system.
• Meet the definition of high tumor burden follicular lymphoma as defined by Groupe d'Etude des Lymphomes Follicularies (GELF) Criteria or be defined as high risk by the follicular lymphoma international prognostic index (FLIPI) 1 or FLIPI 2. --GELF Criteria (Must meet ≥ 1 of the following)
• Any nodal or extranodal mass ≥ 7 cm in diameter
• Involvement of ≥ 3 nodal sites ≥ 3 cm
• Systemic or B symptoms
• Presence of serous effusion
• Splenic enlargement
• Risk of compression syndrome (epidural, ureteral, etc)
• Leukemic phase of disease
• Cytopenia deemed due to disease involvement (hemoglobin < 10, granulocyte count < 1.5×10^9/L, or platelet count < 100×10^9/L)
• In addition to meeting GELF criteria, must have at least one FDG-avid site on PET that measures 1.5 cm in at least one dimension of a nodal site or 1cm in at least one dimension for extranodal sites.
• Received no prior therapy except local radiation therapy (field did not exceed 2 adjacent nodal regions), single agent rituximab (limited to 4 doses), or steroids for symptom control in the 28 days preceding trial enrollment.
• Must have prior EZH2 testing already performed or have tissue available to perform retrospective EZH2 testing. If prior EZH2 results are not available, tissue must be submitted. Tissue block is preferred but unstained slides are also acceptable. Patients who have insufficient or suboptimal tissue must be willing to have a biopsy performed prior to starting study drugs. See Correlative Lab Manual for details.
• Demonstrate adequate organ function as defined below; all screening labs to be obtained within 28 days prior to registration.
• Hematological
• Platelets ≥ 50 K/dL
• Absolute Neutrophil Count (ANC) ≥ 1000 K/mm3
• Hemoglobin (Hgb) ≥ 8 g/dL
• Renal
• Calculated creatinine clearance ≥ 40 mL/min using the Cockcroft-Gault formula
• or Serum creatinine < 2 mg/dL
• Hepatic
• Bilirubin ≤ 1.5 × upper limit of normal (ULN)
• Aspartate aminotransferase (AST) ≤ 3 × ULN
• Alanine aminotransferase (ALT) ≤ 3 × ULN
• Coagulation ---International Normalized Ratio (INR) or Prothrombin Time (PT) Activated Partial Thromboplastin Time (aPTT) ≤ 2 × ULN
• Females of childbearing potential with a male partner able to father a child must have a negative serum or urine pregnancy test within 7 days prior to registration. See the protocol for definition of childbearing potential.
• Females of childbearing potential must be willing to abstain from vaginal intercourse or use an effective method(s) of contraception from the time of informed consent, during the study and for 6 months after the last dose of study drug(s). Males able to father a child must be willing to abstain from vaginal intercourse or to use an effective method(s) of contraception from initiation of treatment, during the study and for 3 months after the last dose of study drug(s). See the protocol.
• As determined by the enrolling physician or protocol designee, ability of the subject to understand and comply with study procedures for the entire length of the study.
• Active infection requiring systemic therapy with 4 weeks of study drug administration.
• Pregnant or breastfeeding (NOTE: breast milk cannot be stored for future use while the mother is being treated on study).
• Concurrent malignancy or malignancy within the last 3 years (except for ductal breast cancer in situ, non-melanoma skin cancer, prostate cancer not requiring treatment, and cervical carcinoma in situ) whose natural history or treatment has the potential to interfere with the safety or efficacy assessment of the investigational regimen are not eligible for this trial.
• Active central nervous system (CNS) metastases or leptomeningeal disease. NOTE: Subjects who are symptomatic and have not undergone prior brain imaging must undergo a head computed tomography (CT) scan or brain MRI within 28 days prior to registration to exclude brain metastases.
• Treatment with any investigational drug within 4 weeks prior to registration.
• Subjects who require chronic use of moderate or strong CYP3A4/5 inhibitors or inducers within 28 days prior to registration.
• Clinically significant acute infection requiring systemic antibacterial, antifungal, or antiviral therapy.
• Known Uncontrolled Human Immunodeficiency Virus infection. Testing not required. NOTE: If a subject is known to have HIV/AIDS, then they will be allowed on study with adequate antiviral therapy, no detectable viral load, and stable on antiviral treatment for ≥ 4 weeks prior to first dose of study drug(s).
• Known hepatitis C infection. Testing not required. NOTE: If hepatitis C antibody test is known positive, patients are excluded unless a hepatitis C virus ribonucleic acid (HCV RNA) is negative.
• Must be tested for hepatitis B within 28 days of registration: including hepatitis B surface antigen, hepatitis B surface antibody, hepatitis B core antibody. A positive hepatitis B core antibody should be followed by hepatitis B DNA PCR testing to confirm or rule out active infection. Patients with hepatitis B surface antigen and/or detectable hepatitis B DNA PCR are not allowed on study. Patients with a positive hepatitis B core antibody but negative hepatitis B surface antigen and hepatitis B DNA PCR will be allowed on study, but hepatitis B prophylactic treatment should be strongly considered.
• Clinically significant cardiovascular disease or cardiac insufficiency (New York Heart Association classes III-IV), cardiomyopathy, preexisting clinically significant arrhythmia, acute myocardial infarction within 3 months of enrollment, angina pectoris within 3 months of enrollment.

• Participants with a cancer diagnosis: Documentation of disease:
• Histologic documentation: Histologically confirmed diagnosis of invasive cancer
• Stage: Stage I-IV per American Joint Committee on Cancer (AJCC) 7th edition, with the exception of patients with leukemia, lymphoma, and multiple myeloma
• For leukemia: Type (chronic lymphocytic leukemia [CLL], chronic myeloid leukemia [CML], acute lymphoblastic lymphoma [ALL], acute myeloid leukemia [AML])
• For lymphoma: Stage I-IV based on Ann Arbor staging
• For multiple myeloma: Stage I, II, III based on Revised International Staging System (RISS)
• One of the following tumor types:
• Colorectal
• Bladder
• Head and neck
• Hepatobiliary
• Lung
• Lymphoma
• Leukemia
• Ovary *** For these specific cancer types only, patients may be enrolled prior to histologic confirmation of malignancy. Sites are required to contact the study chairs to review appropriateness for enrollment
• Pancreas *** For these specific cancer types only, patients may be enrolled prior to histologic confirmation of malignancy. Sites are required to contact the study chairs to review appropriateness for enrollment
• Multiple myeloma
• Gastric, esophageal or gastroesophageal
• Breast
• Thyroid
• Kidney
• For these specific cancer types only, patients may be enrolled prior to histologic confirmation of malignancy. Sites are required to contact the study chairs to review appropriateness for enrollment
• Endometrium
• Prostate
• Melanoma *** For these specific cancer types only, patients may be enrolled prior to histologic confirmation of malignancy. Sites are required to contact the study chairs to review appropriateness for enrollment
• Sarcoma
• Participants with a cancer diagnosis: No prior definitive systemic or local anti-cancer intervention
• Participants with a cancer diagnosis: Age >= 40 and =< 75
• Participants with a cancer diagnosis: No known current pregnancy by self-report
• Participants with a cancer diagnosis: No known or prior history of in situ or invasive malignancy (excluding in situ non-melanoma skin cancers) other than the current cancer diagnosis
• Participants with a cancer diagnosis: Willingness to provide blood samples for research use
• Participants with a cancer diagnosis: Absence of medical contraindications to a research blood draw volume of 60 mL
• Participants with a cancer diagnosis: No history of organ transplantation
• Participants with a cancer diagnosis: Ability to read and comprehend English or Spanish * Eligibility is restricted to individuals who can comprehend and read English or Spanish given that participation in the study will require the ability to read and complete questionnaires that are available only in those two languages
• Participants without a cancer diagnosis and without suspicion of cancer: Age >= 40 and =< 75
• Participants without a cancer diagnosis and without suspicion of cancer: No known current pregnancy by self-report
• Participants without a cancer diagnosis and without suspicion of cancer: No known or prior history of in situ or invasive malignancy (excluding in situ non-melanoma skin cancers)
• Participants without a cancer diagnosis and without suspicion of cancer: Willingness to provide blood samples for research use
• Participants without a cancer diagnosis and without suspicion of cancer: Absence of medical contraindications to a research blood draw volume of 60 mL
• Participants without a cancer diagnosis and without suspicion of cancer: No history of organ transplantation
• Participants without a cancer diagnosis and without suspicion of cancer: Ability to read and comprehend English or Spanish * Eligibility is restricted to individuals who can comprehend and read English or Spanish given that participation in the study will require the ability to read and complete questionnaires that are available only in those two languages
• Participants with a high suspicion of cancer: High suspicion of ovarian cancer, pancreatic cancer, kidney cancer, or melanoma by clinical and/or radiological assessment, with plans for histologic or cytologic confirmation within 28 days after study blood draw * Examples of highly suspicious cases include: elevated CA125 and abnormal transvaginal ultrasound, suspicious renal or pancreatic mass on imaging, suspicious cutaneous lesion concerning for melanoma
• Participants with a high suspicion of cancer: Central review of radiology reports and/or clinical documentation conducted by study chairs
• Participants with a high suspicion of cancer: Age >= 40 and =< 75
• Participants with a high suspicion of cancer: No known current pregnancy by self-report
• Participants with a high suspicion of cancer: No known or prior history of in situ or invasive malignancy (excluding in situ non-melanoma skin cancers) other than the current cancer diagnosis
• Participants with a high suspicion of cancer: Willingness to provide blood samples for research use
• Participants with a high suspicion of cancer: Absence of medical contraindications to a research blood draw volume of 60 mL
• Participants with a high suspicion of cancer: No history or organ transplantation
• Participants with a high suspicion of cancer: Ability to read and comprehend English or Spanish * Eligibility is restricted to individuals who can comprehend and read English and Spanish given that participation in the study will require the ability to read and complete questionnaires that are available only in those two languages

• Participants must have a confirmed diagnosis of chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL) (collectively referred to as CLL throughout) according to the 2018 International Workshop on CLL. Participants must have been diagnosed within 18 months prior to registration
• Participants must have CLL-International Prognostic Index (CLL-IPI) score >= 4 and/or complex cytogenetics (defined as 3+ chromosomal abnormalities)
• Cytogenetic AND/OR FISH analyses must be completed at a Clinical Laboratory Improvement Act (CLIA)-approved (or laboratories accredited under Accreditation Canada Diagnostics to conduct FISH analyses) laboratory within 18 months prior to registration. FISH panel should use probes to detect for abnormalities in chromosomes 13q, 12, 11q, and 17p
• TP53 mutation status from an next generation sequencing (NGS) test performed at any CLIA-approved (or laboratories accredited under Accreditation Canada Diagnostics) lab (if completed) must be obtained within 18 months prior to registration. This sequencing test is distinct from FISH studies for del(17p)
• Immunoglobulin heavy chain locus variable (IgVH) mutational status from an NGS test performed at any CLIA-approved lab (or laboratories accredited under Accreditation Canada Diagnostics) must be obtained prior to registration (at any time prior to registration)
• Serum beta-2 microglobulin level must be obtained within 28 days prior to registration
• Participants must not meet any of the IWCLL specified criteria for active CLL therapy
• Treatment with high dose corticosteroids and/or intravenous immunoglobulin for autoimmune complications of CLL must be complete at least 4 weeks prior to enrollment
• Steroids used for treatment of conditions other than CLL/SLL must be at a dose of at most 20 mg/day of prednisone or equivalent corticosteroid at the time of registration
• Prior therapy with anti CD20 monoclonal antibodies is not allowed
• Participants must not have received or be currently receiving any prior CLL-directed therapy, including non-protocol-related therapy, anti-cancer immunotherapy, experimental therapy (with exception of agents approved for emergency access use for the prevention or treatment of COVID-19), or radiotherapy
• Participants must not be receiving or planning to receive any other investigational agents before completing protocol therapy
• Participants must be >= 18 years of age
• Participants must have Eastern Cooperative Oncology Group (ECOG) performance status =< 2
• Platelet count >= 100,000/mm^3 within 28 days prior to registration
• Absolute neutrophil count (ANC) >= 1,000/mm^3 within 28 days prior to registration
• Creatinine clearance >= 30mL/min (by Cockcroft Gault) within 28 days prior to registration
• Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) < 3.0 x upper limit of normal (ULN) within 28 days prior to registration
• Total bilirubin =< 2.0 x ULN (or 5.0 x ULN if the participant has a history of Gilbert's disease), within 28 days prior to registration
• Participants must be able to take oral medications
• Human immunodeficiency virus (HIV)-infected participants on effective anti-retroviral therapy with undetectable viral load within 6 months are eligible for this trial
• Participants with history of malignancy are allowed providing the cancer has not required active treatment within 2 years prior to registration (hormonal therapy is permissible). The following exceptions are permissible: basal cell, squamous cell skin, or non-melanomatous skin cancer, in situ cervical cancer, superficial bladder cancer not treated with intravesical chemotherapy or Bacillus Calmette-Guerin (BCG) within 6 months, localized prostate cancer requiring no more than chronic hormonal therapy, or localized breast cancer requiring no more than chronic hormonal therapy
• Participants must not have current, clinically significant gastrointestinal malabsorption, in the opinion of treating doctor
• Participants must not have cirrhosis
• Obinutuzumab has been associated with hepatitis reactivation. Participants must not have uncontrolled active infection with hepatitis B or C. Participants with latent hepatitis B infection must agree to take prophylaxis during and for 6 months following active protocol therapy with V-O.
• Active infection with hepatitis B or C:
• Active infection is defined as detectable hepatitis B deoxyribonucleic acid (DNA) or hepatitis C ribonucleic acid (RNA) by quantitative polymerase chain reaction (PCR).
• Latent infection with hepatitis B:
• Latent infection is defined as meeting all of the following criteria:
• Hepatitis B surface antigen positive
• Anti-hepatitis B total core antibody positive
• Anti-hepatitis IgM core antibody undetectable
• Hepatitis B PCR undetectable
• Participants with latent hepatitis B infection must agree to take prophylaxis with anti-hepatitis agents during and for 6 months following active protocol therapy with V-O.
• Participants who have received intravenous immunoglobulin (IVIG) therapy within 6 months who are hepatitis B core total antibody positive but PCR undetectable are not mandated to take prophylaxis
• Participants must not have had major surgery within 30 days prior registration or minor surgery within 7 days prior to registration. Examples of major surgery include neurosurgical procedures, joint replacements, and surgeries that occur inside the thoracic or abdomino-pelvic cavities. Examples of minor surgery include dental surgery, insertion of a venous access device, skin biopsy, or aspiration of a joint. If a participant has had a bone marrow biopsy for diagnosis or evaluation of CLL, this will not exclude the patient from registration to the study. If there is a question about whether a surgery is major or minor, this should be discussed with the Study Chair
• Participants must not have known bleeding disorders (e.g., von Willebrand's disease or hemophilia)
• Participants must not have a history of stroke or intracranial hemorrhage within 6 months prior to enrollment
• Participants must not require continued therapy with a strong inhibitor or inducer of CYP3A4/5, as venetoclax is extensively metabolized by CYP3A4/5
• Participants must not have uncontrolled autoimmune hemolytic anemia or idiopathic thrombocytopenia purpura
• Participants must not have any currently active, clinically significant cardiovascular disease, such as uncontrolled arrhythmia or class 3 or 4 congestive heart failure as defined by the New York Heart Association Functional Classification
• Participants must not have a history of myocardial infarction, unstable angina, or acute coronary syndrome within 6 months prior to enrollment
• Participants must not be pregnant or nursing, as there are no safety data available for these drug regimens during pregnancy. Women/men of reproductive potential must have agreed to use an effective contraceptive method. A woman is considered to be of "reproductive potential" if she has had menses at any time in the preceding 12 consecutive months. In addition to routine contraceptive methods, "effective contraception" also includes heterosexual celibacy and surgery intended to prevent pregnancy (or with a side-effect of pregnancy prevention) defined as a hysterectomy, bilateral oophorectomy or bilateral tubal ligation. However, if at any point a previously celibate patient chooses to become heterosexually active during the time period for use of contraceptive measures outlined in the protocol, he/she is responsible for beginning contraceptive measures
• Participants must agree to have specimens submitted for translational medicine (MRD) and specimens must be submitted as outlined
• Participants must be offered participation in banking for future research. With patient's consent, specimens must be submitted as outlined
• Participants who are able to complete patient reported outcome (PRO) forms in English, Spanish, French, German, Russian or Mandarin must agree to participate in the quality of life assessments. (Those participants who are unable to read and write in English, Spanish, French, German, Russian or Mandarin may be registered to S1925 without contributing to the quality of life portion of the study.)
• Participants must be informed of the investigational nature of this study and must sign and give written informed consent in accordance with institutional and federal guidelines
• NOTE: As a part of the Oncology Patient Enrollment Network (OPEN) registration process the treating institution's identity is provided in order to ensure that the current (within 365 days) date of institutional review board approval for this study has been entered in the system

• Histologically confirmed diagnosis of peripheral T-cell lymphoma (PTCL) with < 10% CD30 expression by immunohistochemistry in the following subtypes (by local review): nodal T-cell lymphoma with T-follicular helper (TFH) phenotype (TFH-PTCL), follicular T-cell lymphoma, PTCL-not otherwise specified (NOS), angioimmunoblastic T-cell lymphoma (AITL), enteropathy associated T-cell lymphoma, monomorphic epitheliotropic intestinal T-cell lymphoma
• Patients with expression of CD30 in >= 10% of the tumor (based on local immunohistochemistry review) regardless of histology will not be permitted
• Patients with a diagnosis of other PTCL subtype histologies other than those specified in the inclusion criteria are excluded including large cell transformation of mycosis fungoides
• Patients will be stratified by presence or absence of TFH phenotype (i.e. diagnosis of AITL, TFH-PTCL, follicular T-cell lymphoma) based on local review of pathology. Determination of TFH phenotype can be defined by expression of two or more of the following markers CD10, BCL6, CXCL13, ICOS, and PD1 by immunohistochemistry
• Measurable disease as defined by the Lugano criteria
• No prior systemic therapy for lymphoma (excluding corticosteroids)
• Not pregnant and not nursing, because this study involves an investigational agent whose genotoxic, mutagenic and teratogenic effects on the developing fetus and newborn are unknown. Therefore, for women of childbearing potential only, a negative urine or serum pregnancy test done =< 7 days prior to registration is required
• Age >= 18 years
• Eastern Cooperative Oncology Group (ECOG) performance status =< 2
• Platelet count >= 75,000/mm^3 (>= 50,000/mm^3 if secondary to bone marrow involvement from lymphoma per investigator assessment; the first 12 patients on each arm of the study must have platelets >= 75,000/mm^3 regardless of bone marrow involvement)
• Absolute neutrophil count (ANC) >= 1,000/mm^3
• Aspartate aminotransferase (AST)/serum glutamic-oxaloacetic transaminase (SGOT) or alanine aminotransferase (ALT)/serum glutamate pyruvate transaminase (SGPT) =< 3.0 x upper limit of normal (ULN) * Except in subjects with documented liver involvement by lymphoma
• Calculated creatinine clearance >= 30 mL/min by Cockcroft-Gault formula
• Total bilirubin =< 2.0 x ULN * Except in cases of Gilbert's Syndrome or documented liver or pancreatic involvement by lymphoma
• Archival tissue must be available for submission
• Patients known to have HTLV 1/2 are excluded
• Patients with known central nervous system involvement are excluded
• No active viral infection with human immunodeficiency virus (HIV), hepatitis B, or hepatitis C. Those who are seropositive (e.g. hepatitis B core antibody [Ab] positive) are permitted if they are negative by polymerase chain reaction (PCR). Those who are seropositive for hepatitis B and are negative for hepatitis B virus (HBV) deoxyribonucleic acid (DNA) by PCR must receive concomitant hepatitis B directed antiviral therapy. Those who have hepatitis C Ab positivity who have completed curative therapy for hepatitis C with negative hepatitis C PCR are eligible
• Patients with history of HIV are eligible if they have an undetectable viral load for at least 6 months
• No active uncontrolled systemic fungal, bacterial or viral infection (defined as ongoing signs/symptoms related to the infection without improvement despite appropriate antibiotics, antiviral therapy and/or other treatment). Patients with Epstein-Barr virus (EBV) viremia related to their lymphoma are permitted
• No concurrent malignancy requiring active therapy within the last 3 years with the exception of basal cell carcinoma limited to the skin, squamous cell carcinoma limited to the skin, carcinoma in situ of the cervix, breast or localized prostate cancer. Adjuvant hormonal therapy for cancer previously treated for curative intent is permitted
• Patients must have documented left ventricular ejection fraction of >= 45%
• No significant active cardiac disease within the previous 6 months including:
• New York Heart Association (NYHA) class III or IV congestive heart failure
• Unstable angina or angina requiring surgical or medical intervention; and/or
• Myocardial infarction
• No contraindication to any drug in the chemotherapy regimen, including neuropathy >= grade 2
• Chronic concomitant treatment with strong inhibitors of CYP3A4 is not allowed on this study. Patients on strong CYP3A4 inhibitors must discontinue the drug for 14 days prior to registration on the study. Chronic concomitant treatment with strong CYP3A4 inducers is not allowed. Patients must discontinue the drug 14 days prior to the start of study treatment

• Patients must be 5 to 60 years of age at the time of enrollment
• Patients with newly diagnosed untreated histologically confirmed classic Hodgkin lymphoma (cHL) (nodular sclerosis, mixed cellularity, lymphocyte-rich, or lymphocyte-depleted, or not otherwise specified [NOS]) with stage I or II disease
• Patients must have bidimensionally measurable disease (at least one lesion with longest diameter >= 1.5 cm)
• Patients must have a whole body or limited whole body PET scan performed within 42 days prior to enrollment. PET-CT is strongly preferred. PET-MRI allowed if intravenous contrast enhanced CT is also obtained
• Pediatric patients (age 5-17 years) must have an upright posteroanterior (PA) chest X-ray (CXR) for assessment of bulky mediastinal disease. Adult patients must have either a CXR or CT chest
• Patients >= 18 years must have a performance status corresponding to Zubrod scores of 0, 1 or 2
• Patients =< 17 years of age must have a Lansky performance score of >= 50
• Pediatric patients (age 5-17 years): A serum creatinine based on age/gender as follows (within 7 days prior to enrollment):
• 2 to < 6 years (age): 0.8 mg/dL (male), 0.8 mg/dL (female)
• 6 to < 10 years (age): 1 mg/dL (male), 1 mg/dL (female)
• 10 to < 13 years (age): 1.2 mg/dL (male), 1.2 mg/dL (female)
• 13 to < 16 years (age): 1.5 mg/dL (male), 1.4 mg/dL (female)
• >= 16 years (age): 1.7 mg/dL (male), 1.4 mg/dL (female) OR a 24 hour urine creatinine clearance >= 50 mL/min/1.73 m^2 (within 7 days prior to enrollment) OR a glomerular filtration rate (GFR) >= 50 mL/min/1.73 m^2 (within 7 days prior to enrollment). GFR must be performed using direct measurement with a nuclear blood sampling method OR direct small molecule clearance method (iothalamate or other molecule per institutional standard)
• Note: Estimated GFR (eGFR) from serum or plasma creatinine, cystatin C or other estimates are not acceptable for determining eligibility
• For adult patients (age 18 years or older) (within 7 days prior to enrollment): Creatinine clearance >= 30 mL/min, as estimated by the Cockcroft and Gault formula or a 24-hour urine collection. The creatinine value used in the calculation must have been obtained within 28 days prior to registration. Estimated creatinine clearance is based on actual body weight
• Total bilirubin =< 2 x upper limit of normal (ULN) (within 7 days prior to enrollment)
• Unless due to Gilbert's disease, lymphomatous involvement of liver or vanishing bile duct syndrome
• Aspartate aminotransferase (AST) =< 3 x ULN (within 7 days prior to enrollment)
• Unless due to Gilbert's disease, lymphomatous involvement of liver or vanishing bile duct syndrome
• Alanine aminotransferase (ALT) =< 3 x ULN (within 7 days prior to enrollment)
• Unless due to Gilbert's disease, lymphomatous involvement of liver or vanishing bile duct syndrome
• Shortening fraction of >= 27% by echocardiogram (ECHO), multigated acquisition scan (MUGA), or functional cardiac imaging scan (within 7 days prior to enrollment) or ejection fraction of >= 50% by radionuclide angiogram, ECHO, MUGA, or cardiac imaging scan (within 7 days prior to enrollment)
• Diffusion capacity of the lung for carbon monoxide (DLCO) >= 50% of predicted value as corrected for hemoglobin by pulmonary function test (PFT) (within 7 days prior to enrollment). If unable to obtain PFTs, the criterion is: a pulse oximetry reading of > 92% on room air
• Known human immunodeficiency virus (HIV)-infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months are eligible for this trial
• For patients with evidence of chronic hepatitis B virus (HBV) infection, the HBV viral load must be undetectable on suppressive therapy, if indicated. Patients with a history of hepatitis C virus (HCV) infection must have been treated and cured. For patients with HCV infection who are currently on treatment, they are eligible if they have an undetectable HCV viral load
• Patients with nodular lymphocyte predominant Hodgkin lymphoma
• Patients with a history of active interstitial pneumonitis or interstitial lung disease
• Patients with a diagnosis of inherited or acquired immunodeficiency that is poorly controlled or requiring active medications, such as primary immunodeficiency syndromes or organ transplant recipients
• Patients with any known uncontrolled intercurrent illness that would jeopardize the patient's safety such as infection, autoimmune conditions, cardiac arrhythmias, angina pectoris, and gastrointestinal disorders affecting swallowing and/or absorption of pills
• Patients with a condition requiring systemic treatment with either corticosteroids (defined as equivalent to > 10 mg daily prednisone for patients >= 18 years or > 0.5 mg/kg [up to 10 mg/day] for patients < 18 years) or other immunosuppressive medications within 14 days prior to enrollment
• Note: Replacement therapy such as thyroxine, insulin, or physiologic corticosteroid for adrenal or pituitary insufficiency is not considered a form of systemic treatment. Inhaled or topical steroids, and adrenal replacement doses (=< 10 mg daily for patients >= 18 years or =< 0.5 mg/kg [up to 10 mg/day] prednisone equivalents) are permitted in the absence of active autoimmune disease
• Note: Steroid use for the control of Hodgkin lymphoma symptoms is allowable, but must be discontinued by cycle 1, day 1
• Patients with peripheral neuropathy > grade 1 at the time of enrollment or patients with known Charcot-Marie-Tooth syndrome
• Patients with a prior or concurrent malignancy whose natural history or treatment has the potential to interfere with the safety or efficacy assessment of the investigational regimen
• Administration of prior chemotherapy, radiation, or antibody-based treatment for cHL
• Prior solid organ transplant
• Prior allogeneic stem cell transplantation
• Live vaccine within 30 days prior to planned day 1 of protocol therapy (e.g., measles, mumps, rubella, varicella, yellow fever, rabies, bacillus calmette guerin [BCG], oral polio vaccine, and oral typhoid). Administration of messenger ribonucleic acid (mRNA) vaccines are permitted
• Female patients who are pregnant since fetal toxicities and teratogenic effects have been noted for several of the study drugs. A pregnancy test within 28 days prior to enrollment is required for female patients of childbearing potential
• Lactating females who plan to breastfeed their infants starting with the first dose of study therapy and for at least 6 months after the last treatment
• Sexually active patients of reproductive potential who have not agreed to use a highly effective contraceptive method (failure rate of < 1% per year when used consistently and correctly) for the duration of their study drug therapy. Following therapy, patients will be advised to use contraception as per institutional practice or as listed below for investigational agents, whichever is longer
• Men and women of childbearing potential must continue contraception for a period of 6 months after last dose of brentuximab vedotin
• Women of child-bearing potential (WOCBP) must continue contraception for a period of at least 5 months after the last dose of nivolumab
• All patients and/or their parents or legal guardians must sign a written informed consent
• All institutional, Food and Drug Administration (FDA), and National Cancer Institute (NCI) requirements for human studies must be met

• Confirmed diagnosis of chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) and active disease clearly documented to initiate therapy.
• Deletion (Del) (17p) status, tumor protein 53 (TP53) mutation status, immunoglobulin heavy chain gene (IGHV) mutation status and Bruton's tyrosine kinase (BTK)-C481 mutation status results required before randomization for Part 2 participants only.
• Relapsed or refractory to at least 1 prior available therapy.
• Have at least 1 marker of disease burden.
• Has an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 2 within 7 days before randomization.
• Has a life expectancy of at least 3 months.
• Has the ability to swallow and retain oral medication.
• Participants who are hepatitis B surface antigen (HBsAg) positive are eligible if they have received hepatitis B virus (HBV) antiviral therapy for at least 4 weeks and have undetectable HBV deoxyribonucleic acid (DNA) viral load before randomization.
• Participants with history of hepatitis C virus (HCV) infection are eligible if HCV ribonucleic acid (RNA) viral load is undetectable at screening.
• Participants with human immunodeficiency virus (HIV) who meet ALL eligibility criteria.
• Participants with adequate organ function with specimens collected within 7 days before the start of study intervention.
• If capable of producing sperm, participant agrees to eliminate Nemtabrutinib: 12 days, Venetoclax: 1 month (30 days), Rituximab (rituximab biosimilar): not applicable; abstains from penile-vaginal intercourse as their preferred and usual lifestyle; OR uses prescribed contraception.
• Participant assigned female sex at birth are eligible to participate if not pregnant or breastfeeding and are not a person of childbearing potential (POCBP) OR is a POCBP and uses a contraceptive method that is highly effective, has a negative highly sensitive pregnancy test, and abstains from breastfeeding.
• Has an active hepatitis B virus/ hepatitis C virus (HBV/HCV) infection.
• Has gastrointestinal (GI) dysfunction that may affect drug absorption.
• Has a known additional malignancy that is progressing or has required active treatment within the past 3 years.
• Has diagnosis of Richter Transformation or active central nervous system (CNS) involvement by CLL/SLL.
• Has an active infection requiring systemic therapy, such as intravenous (IV) antibiotics, during screening.
• HIV-infected participants with a history of Kaposi's sarcoma and/or Multicentric Castleman's Disease and/or acquired immune deficiency syndrome (AIDS)-defining opportunistic infection in the past 12 months before screening.
• Has QT interval corrected (QTc) prolongation or other significant electrocardiogram (ECG) abnormalities.
• Has a known allergy/sensitivity to nemtabrutinib or contraindication to venetoclax/rituximab (or rituximab biosimilar), or any of the excipients.
• Has history of severe bleeding disorders (eg, hemophilia).
• Has received prior systemic anticancer therapy within 5 half-lives or 4 weeks (if prior therapy was a monoclonal antibody) before randomization.
• Has received prior B-cell lymphoma 2 inhibitor(s) (BCL2i) including venetoclax or Non-covalent Bruton's tyrosine kinase inhibitor (BTKi).
• Is currently being treated with p-glycoprotein (P-gp) substrates with a narrow therapeutic index, cytochrome P450 3A (CYP3A) strong or moderate inducers or CYP3A strong inhibitors.
• Has received a live or live attenuated vaccine within 30 days before the first dose of study intervention.
• Has received an investigational agent or has used an investigational device within 4 weeks before study intervention administration.
• Has a known psychiatric or substance use disorder that would interfere with the participant's ability to cooperate with the requirements of the study.
• Participants who have not adequately recovered from major surgery or have ongoing surgical complications.

• Alive (per medical record)
• Diagnosed with cancer in the past 3 years
• Received care from a participating oncology clinic in the past year
• Has a current tobacco use status
• Does not have a preferred language other than English (missing language preference will be included).
• Valid address that is not a correctional facility or residential treatment/care facility.
• No flag for patient cognitive impairment, activated health care power of attorney, or other health care agent (e.g., legally authorized representative) in the EHR. The following additional inclusion criteria must be met for inclusion in the CET
• Smoked combustible cigarettes in the past month.
• Able to speak and understand English.
• Willing to set a date to quit smoking in the next 60 days.
• Willing to receive smoking treatment information.
• Willing to complete study activities.
• No current suicidal ideation.
• Suicide attempt in the past year.
• Currently receiving treatment for bipolar disorder, schizophrenia, schizoaffective disorder, or psychotic disorder.
• Incarceration.
• Unable to provide informed consent to treatment (i.e., cannot answer questions about study procedures or risks after hearing about the study).

The main inclusion criteria include but are not limited to the following:
• Confirmed diagnosis of CLL/SLL and active disease clearly documented to have a need to initiate therapy.
• Has at least 1 marker of disease burden.
• Has an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 2 within 7 days before randomization.
• Has the ability to swallow and retain oral medication.
• Participants who are hepatitis B surface antigen (HBsAg) positive are eligible if they have received hepatitis B virus (HBV) antiviral therapy for at least 4 weeks and have undetectable HBV deoxyribonucleic acid (DNA) viral load before randomization.
• Participants with history of hepatitis C virus (HCV) infection are eligible if HCV ribonucleic acid (RNA) viral load is undetectable at screening.
• Participants with human immunodeficiency virus (HIV) who meet ALL eligibility criteria. The main exclusion criteria include but are not limited to the following:
• Has an active hepatitis B virus/ hepatitis C virus (HBV/HCV) infection.
• Has gastrointestinal (GI) dysfunction that may affect drug absorption.
• Has diagnosis of Richter Transformation or active central nervous system (CNS) involvement by CLL/SLL.
• Has had acquired immune deficiency syndrome (AIDS)-defining opportunistic infection in the past 12 months before screening.
• Has clinically significant cardiovascular disease.
• Has hypersensitivity to nemtabrutinib or contraindication to ibrutinib or acalabrutinib, or any of the excipients.
• Has history of severe bleeding disorder.
• Has history of second malignancy, unless potentially curative treatment has been completed with no evidence of malignancy for 2 years.
• Has received any systemic anticancer therapy for CLL/SLL.
• Is currently being treated with p-glycoprotein (P-gp) substrates with a narrow therapeutic index, cytochrome P450 3A (CYP3A) strong or moderate inducers or CYP3A strong inhibitors.
• Received prior radiotherapy within 2 weeks of start of study intervention, or radiation-related toxicities, requiring corticosteroids.
• Received a live or live-attenuated vaccine within 30 days before the first dose of study intervention. Administration of killed vaccines are allowed.
• Has received an investigational agent or has used an investigational device within 4 weeks before study intervention administration.
• Has diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy (in dosing exceeding 10 mg daily of prednisone equivalent) or any other form of immunosuppressive therapy within 7 days prior the first dose of study medication.
• Has active autoimmune disease that has required systemic treatment in the past 2 years. Replacement therapy (eg, thyroxine, insulin, or physiologic corticosteroid) is allowed.
• Has active infection requiring systemic therapy.
• Participants who have not adequately recovered from major surgery or have ongoing surgical complications.