• 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

1. Participant is < 21 years of age 2. Parent/ Legal Guardian/ Adult Participant can understand the consent process and is willing to provide informed consent/HIPAA: 3. (a) Participant is receiving one or more of the study drugs of interest at the time of enrollment or (b) Participant is NOT receiving one or more of the study drugs of interest but is SARS-COV-2 positive within 60 days prior to enrollment 1. Participant has a known pregnancy Below exclusion criteria apply only to: Participants receiving one or more of the study drugs of interest at the time of enrollment, DOI administration or PK sampling: (Refer to DOI specific appendices for details on enrollment cohort specifications and additional eligibility criteria) 2. Has had intermittent dialysis within previous 24 hours 3. Has had a kidney transplant within previous 30 days 4. Has had a liver transplant within previous 1 year 5. Has had a stem cell transplant within previous 1 year 6. Has had therapeutic hypothermia within previous 24 hours 7. Has had plasmapheresis within the previous 24 hours 8. Has a Ventricular Assist Device 9. Has any condition which would make the participant, in the opinion of the investigator, unsuitable for the study

Major 1. Men and women 18 years of age or older. 2. 9 cohorts will be enrolled:
• Cohort A1 / Exon 14 NSCLC MET inhibitor naive in first line: Histologically or cytologically confirmed NSCLC with Exon 14 skipping mutations; all histologies; unresectable or metastatic disease (Stage 3b/4); treatment-naive subjects in first line; not received any MET inhibitor and no known MET kinase inhibitor resistance mutations
• Cohort A2 / Exon 14 NSCLC
•MET inhibitor naïve: Histologically or cytologically confirmed NSCLC with Exon 14 skipping mutations; all histologies; unresectable or metastatic disease (Stage 3b/4); pretreated subjects refractory to or intolerant of standard therapies with no more than three lines of prior therapy in the unresectable or metastatic setting; not received any MET inhibitor and no known MET kinase inhibitor resistance mutations
• Cohort B / Exon 14 NSCLC MET inhibitor experienced: ENROLLMENT COMPLETED
• Cohort C / MET amplification basket tumor types excluding primary CNS tumors: Any solid tumor type regardless of histology excluding primary CNS tumors, with MET amplification; unresectable or metastatic disease, refractory to or intolerant of standard therapies, or refused standard therapies, or if therapy was unavailable or unfeasible, with no more than 3 prior lines of therapy in the unresectable or metastatic setting; not received any MET inhibitor and no known MET kinase inhibitor resistance mutations
• Cohort C1 / MET amplification and wild-type EGFR NSCLC: NSCLC regardless of histology, harboring MET amplification and wild-type EGFR; unresectable or metastatic disease, previously untreated or treated with no more than 3 prior lines of therapy in the unresectable or metastatic setting; not received any MET inhibitor and no known MET kinase inhibitor resistance mutations
• Cohort C2 / EGFR positive NSCLC with acquired MET amplification (APL-101 Add-on Therapy): Unresectable or metastatic NSCLC regardless of histology, harboring EGFR activating mutations with acquired MET-Amplification as resistance mechanism to the EGFR-I; developed resistance to first-line EGFR-inhibitor therapy after an initial response (documented PR for at least 12 weeks); radiological documentation of disease progression per RECIST on first-line EGFR inhibitor therapy; currently on an EGFR-inhibitor therapy and agrees to receive APL-101 as an add-on therapy during the study; no history of interstitial lung disease (ILD)/pneumonitis, Grade ≥3 liver toxicity or QT prolongation with EGFR-I therapy; not received any MET inhibitor and no known MET kinase inhibitor resistance mutations
• Cohort D / MET fusion basket tumor types excluding primary CNS tumors: any solid tumor type regardless of histology excluding primary CNS tumors; unresectable or metastatic disease, refractory to or intolerant of standard therapies, or refused standard therapies, or if therapy was unavailable or unfeasible, with no more than 3 prior lines of therapy in the unresectable or metastatic setting; not received any MET inhibitor and no known MET kinase inhibitor resistance mutations
• Cohort E / Primary CNS tumors with MET alterations: subjects with primary CNS tumors who meet inclusion criteria of MET dysregulations defined as single or co-occurred MET fusion including PTPRZ1-MET (ZM) fusion, MET Exon 14 skipping mutations, or MET amplification; refractory to or intolerant of standard therapies, or refused standard therapies, or if therapy was unavailable or unfeasible, with no more than 3 prior lines of therapy in the unresectable or metastatic setting; not received any MET inhibitor and no known MET kinase inhibitor resistance mutations; neurological symptoms controlled on a stable/decreasing dose of steroids for at least 2 weeks before C1D1
• Cohort F / Basket tumor types harboring wild-type MET with over-expression of HGF and MET: any solid tumor type regardless of histology harboring wild-type MET with overexpression of HGF and MET; Unresectable or metastatic disease, refractory to or intolerant of standard therapies, or refused standard therapies, or if therapy was unavailable or unfeasible, with no more than 3 prior lines of therapy in the unresectable or metastatic setting; not received any MET inhibitor and no known MET kinase inhibitor resistance mutations 3. Treated or untreated asymptomatic parenchymal CNS disease or leptomeningeal disease is allowed. 4. Presence of ≥1 measurable lesion (scan done ≤28 days of C1D1) to serve as target lesion according to relevant criteria 5. ECOG performance status of 0-1. For subjects with primary CNS tumors, KPS score ≥70. 6. Acceptable organ function 7. For all prior anticancer treatment, a duration of 30 days or 5 half-lives of the agents used, whichever is shorter, must have elapsed, and any encountered toxicity must have resolved to levels meeting all the other eligibility criteria prior to the first dose of study treatment. Palliative radiotherapy to non-target lesions should be completed within 2 weeks prior to APL-101 administration. 8. Adequate cardiac function 9. Women of child-bearing potential must have a negative serum or Beta-hCG at screening or evidence of surgical sterility or evidence of post-menopausal status 10. No planned major surgery within 4 weeks of first dose of APL-101 11. Expected survival (life expectancy) ≥ 3 months from C1D1 12. Provision of sample; e.g. archival or a fresh tumor biopsy sample (if safe and feasible) either from the primary or a metastatic site) or liquid biopsy sample (if tumor tissue is insufficient or lacking, and approved by the sponsor) is required for prospective central lab confirmation for study entry (subjects with previously confirmed molecular status by the Sponsor designated central lab or FDA approved NGS based MET testing may be exempted, subjected to Sponsor approval. Major 1. Hypersensitivity to APL-101, excipients of the drug product, or other components of the study treatment regimen. 2. Known actionable mutation/gene rearrangement of EGFR (except for NSCLC subjects in Cohort C and C-2), ALK, ROS1, RET, NTRK, KRAS, and BRAF. 3. Use or intended use of any other investigational product, including herbal medications, through Study Treatment Termination. 4. Active uncontrolled systemic bacterial, viral, or fungal infection or clinically significant, active disease process, which in the opinion of the investigator makes the risk: benefit unfavorable for the participation of the trial. 5. Life-threatening illness, significant organ system dysfunction or comorbid conditions, or other reasons that, in the investigator's opinion, could compromise the subject's safety or the integrity of the study outcomes, or interfere with the absorption or metabolism of APL-101. 6. Unstable angina or myocardial infarction within 1 year prior to first dose of APL-101, symptomatic or unstable arrhythmia requiring medical therapy, history of congenital prolonged QT syndrome, prolonged QT interval corrected by Fridericia formula (QTcF) at screening, or concurrent treatment with a medication that is a known risk for prolonging the QT interval. Chronic controlled atrial fibrillation is not excluded. 7. Historical seropositive results consistent with active infection for hepatitis C virus (HCV) or hepatitis B virus (HBV) with high viral loads not actively managed with antiviral therapy and human immunodeficiency virus (HIV) positive subjects who are not clinically stable or controlled on their medication (asymptomatic subjects with CD4+ T-cell (CD4+) counts ≥ 350 cells/μL and have not had an opportunistic infection within the past 12 months prior to first dose of APL-101 would be eligible for study entry. If history is unclear, relevant test(s) at Screening will be required to confirm eligibility. 8. Known significant mental illness or other conditions such as active alcohol or other substance abuse that, in the opinion of the investigator, predisposes the subject to high risk of noncompliance with the protocol treatment or assessments. 9. Unable to swallow orally administered medication whole. 10. Impairment of gastrointestinal function or gastrointestinal disease that may significantly alter drug absorption 11. Women who are breastfeeding 12. History of another malignancy within 3 years prior to C1D1. A subject with the following malignancies is allowed if considered cured or unlikely to recur within 3 years: 1. Carcinoma of the skin without melanomatous features. 2. Curatively treated cervical carcinoma in situ. 3. Bladder tumors considered superficial such as noninvasive (T1a) and carcinoma in situ (T1s), thyroid papillary cancer with prior treatment, prostate cancer which has been surgically or medically treated and not likely to recur within 3 years. 13. Subjects who are unable or unwilling to discontinue excluded medications (drugs with known QTc risk and known strong cytochrome P450 [CYP]3A4 inducer and/or strong inhibitors) for at least 5 half-lives prior to first dose of study drug. Subjects may qualify if such medication(s) can be safely replaced with alternate medications with less risk of drug-drug interaction. 14. Subjects with active COVID-19 infection. 15. Symptomatic and/or neurologically unstable CNS metastases, or who require an increase in steroid dose to control CNS disease. Subjects who have been receiving a stable steroid dose for at least 2 weeks prior to C1D1 may be allowed.

• 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

• All patients must be >= 18 years of age
• Eastern Cooperative Oncology Group (ECOG) performance status: 0 or 1
• Patients must have known BRAF mutational status of tumor; wild-type (WT) or mutated, prior to randomization
• Patients must not be pregnant or breast-feeding due to use of cytotoxic immunotherapy and risk of teratogenic side effects; all patients of childbearing potential must have a blood test or urine study within 2 weeks prior to randomization to rule out pregnancy; a patient of childbearing potential is anyone, 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)
• Patients must not conceive or father children by using accepted and effective method(s) of contraception or by abstaining from sexual intercourse from the time of study registration and continuing (for patients of child bearing potential) for at least 5 months after the last dose of protocol treatment; patients of childbearing potential must also not donate eggs during this same time period
• Patients must have unresectable stage III or stage IV melanoma according to American Joint Committee on Cancer (AJCC) version (v)7; patients must have histological or cytological confirmation of melanoma that is metastatic or unresectable and clearly progressive
• Patients must have measurable disease per RECIST 1.1 criteria; all sites of disease must be evaluated within 4 weeks prior to randomization
• Patients may have had prior systemic therapy in the adjuvant setting (e.g. interferon, BRAF, or MEK agents). Patients may have had prior anti-CTLA-4 in the adjuvant setting, if at least one year from last dose of treatment has passed prior to beginning treatment. Patients may have had any prior anti-PD-1 or anti-PD-L1 agent in the adjuvant setting, if at least one year from last dose of treatment has passed prior to beginning treatment
• Patients may not have had any prior ipilimumab and/or anti-PD-1/PD-L1 agent in the metastatic setting
• Patients must have discontinued chemotherapy, immunotherapy or other investigational agents used in the adjuvant setting >= 4 weeks prior to randomization and recovered from adverse events due to those agents; mitomycin and nitrosoureas must have been discontinued at least 6 weeks prior to entering the study; patients must have discontinued radiation therapy >= 2 weeks prior to entering the study and recovered from any adverse events associated with treatment; prior surgery must be >= 4 weeks from randomization and patients must be fully recovered from post-surgical complications
• Patients must not receive any other investigational agents while on study or within four weeks prior to randomization
• Patient must not have received any live vaccine within 30 days prior to randomization, while participating in the study, and for 4 weeks (28 days) after the last dose of protocol treatment; live vaccines include, but are not limited to, the following: measles, mumps, rubella, chicken pox, yellow fever, rabies, bacillus Calmette-Guerin (BCG), and typhoid (oral) vaccine; patients are permitted to receive inactivated vaccines and any non-live vaccines including those for the seasonal influenza and coronavirus disease 19 (COVID-19) (Note: intranasal influenza vaccines, such as Flu-Mist (registered trademark) are live attenuated vaccines and are not allowed); if possible, it is recommended to separate study drug administration from vaccine administration by about a week (primarily, in order to minimize an overlap of adverse events)
• Patients are ineligible if they have any currently active central nervous system (CNS) metastases; patients who have treated brain metastases (with either surgical resection or stereotactic radiosurgery) that have been stable on head magnetic resonance imaging (MRI) or contrast computed tomography (CT) scan for at least 4 weeks following treatment and within 4 weeks prior to randomization are eligible; patients must not have taken any steroids =< 14 days prior to randomization for the purpose of managing their brain metastases; patients with only whole brain irradiation for treatment of CNS metastases will be ineligible
• Patients must not have other current malignancies, other than basal cell skin cancer, squamous cell skin cancer, in situ cervical cancer, ductal or lobular carcinoma in situ of the breast; patients with other malignancies are eligible if they have been continuously disease-free for > 3 years prior to the time of randomization
• White blood count >= 3,000/uL (obtained within 4 weeks prior to randomization)
• Absolute neutrophil count (ANC) >= 1,500/uL (obtained within 4 weeks prior to randomization)
• Platelet count >= 100,000/uL (obtained within 4 weeks prior to randomization)
• Hemoglobin >= 9 g/dL (obtained within 4 weeks prior to randomization)
• Serum creatinine =< 1.5 x upper limit of normal (ULN) or serum creatinine clearance (CrCl) >= 40 ml/min (obtained within 4 weeks prior to randomization)
• Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) =< 3 x ULN (=< 5 x ULN for patients with documented liver metastases) (obtained within 4 weeks prior to randomization)
• Alkaline phosphatase =< 2 x ULN (=< 5 x ULN for patients with known liver involvement and =< 7 x ULN for patients with known bone involvement) (obtained within 4 weeks prior to randomization)
• Total bilirubin =< 1.5 x ULN except patients with normal direct bilirubin; those patients with known Gilbert's syndrome must have total bilirubin < 3 x ULN (obtained within 4 weeks prior to randomization)
• Serum lactate dehydrogenase (LDH) =< 10 X ULN (obtained within 4 weeks prior to randomization)
• Patients must not have any serious or unstable pre-existing medical conditions (aside from malignancy exceptions specified above), including but not limited to, ongoing or active infection requiring parenteral antibiotics on day 1, history of bleeding diathesis or need for concurrent anticoagulation (international normalized ratio [INR] =< 1.5 and partial thromboplastin time [PTT] within 1.1 x ULN), or psychiatric illness/social situations that would limit compliance with study requirements, interfere with patient's safety, or obtaining informed consent
• Patients with human immunodeficiency virus (HIV) infection are ineligible; due to the mechanism of action of ipilimumab and GM-CSF, activity and side effects in an immune compromised patient are unknown
• Patients with evidence of active hepatitis B virus (HBV) or hepatitis C virus (HCV) infection are not eligible; patients with cleared HBV and HCV (0 viral load) infection will be allowed
• Patients must not have autoimmune disorders or conditions of immunosuppression that require current ongoing treatment with systemic corticosteroids (or other systemic immunosuppressants), including oral steroids (e.g., prednisone, dexamethasone) or continuous use of topical steroid creams or ointments or ophthalmologic steroids; a history of occasional (but not continuous) use of steroid inhalers is allowed; replacement doses of steroids for patients with adrenal insufficiency are allowed; patients who discontinue use of these classes of medication for at least 2 weeks prior to randomization are eligible if, in the judgment of the treating physician investigator, the patient is not likely to require resumption of treatment with these classes of drugs during the study
• Exclusion from this study also includes patients with a history of symptomatic autoimmune disease (e.g., rheumatoid arthritis, systemic progressive sclerosis [scleroderma], systemic lupus erythematosus, Sjogren's syndrome, autoimmune vasculitis [e.g., Wegener's granulomatosis]); motor neuropathy considered of autoimmune origin (e.g., Guillain-Barre syndrome and myasthenia gravis); other CNS autoimmune disease (e.g., multiple sclerosis)
• Patients with autoimmune hypothyroid disease or type I diabetes on replacement treatment are eligible
• Patients must not have a history of inflammatory bowel disease or diverticulitis (history of diverticulosis is allowed)
• Patients must not have other significant medical, surgical, or psychiatric conditions or require any medication or treatment that in the opinion of the investigator may interfere with compliance, make the administration of the study drugs hazardous or obscure the interpretation of adverse events (AEs), such as a condition associated with frequent diarrhea; patients must not have an active infection requiring current treatment with parenteral antibiotics

• Stratum I
• Patients must be less than 18 years of age at the time of diagnosis.
• Patients must have histological verification of the diagnosis of Langerhans cell histiocytosis according to the criteria described in Section 6.1
• Signed informed consent form
• Stratum II
• Patients of Stratum I who have:
• Progressive disease (AD worse) in non-risk organs after 6 weeks (Initial Course
• AD intermediate or worse in non-risk organs or AD better in risk organs after 12 weeks (Initial Course 2)
• Disease progression (AD worse) in non-risk organs at any time during continuation treatment
• Active disease at the end of Stratum I treatment
• Disease reactivation in non-risk organs at any time after completion of Stratum I treatment
• Stratum III
• Patients from Stratum I who fulfill the following criteria:
• AD worse in risk organs after week 6 (after Initial Course 1), or AD worse or AD intermediate in risk organs after week 12 (after Initial Course 2).
• Presence of unequivocally severe organ dysfunction at the above mentioned evaluation points (hematological dysfunction, liver dysfunction, or both of them) as
• Hb <70 g/L (<7.0 g/dl) and/or transfusion dependency
• PLT <20 x109/L (20,000/μL) and/or transfusion dependency (both criteria have to be fulfilled) AND/OR
• Liver dysfunction (or digestive involvement with protein loss)
• Total protein <55 g/L or substitution dependency
• Albumin <25 g/L or substitution dependency (at least one of the two criteria to be fulfilled)
• Stratum IV
• Patients from Stratum I or Stratum III who fulfill the following criteria:
• AD worse in risk organs after week 6 (after Initial Course 1), or AD worse or AD intermediate in risk organs after week 12 (after Initial Course 2) of Stratum I OR
• AD worse after the 2nd and 3rd 2-CdA/Ara-C course, and those AD worse or AD intermediate after the 4th 2-CdA/Ara-C course of Stratum III AND
• Presence of unequivocally severe organ dysfunction at the above mentioned evaluation points (hematological dysfunction, liver dysfunction, or both of them) as defined in Table XI (see Section 10.3.1).
• Informed consent: All patients or their legal guardians (if the patient is <18 years of age) must sign an Ethics or institutional Review Board approved consent form indicating their awareness of the investigational nature and the risks of this study. When appropriate, younger patients will be included in all discussions in order to obtain assent.
• Adequate organ function: Patients should have adequate hepatic, renal, cardiac and pulmonary function to undergo reduced intensity HCT based upon local institutional guidelines, or at a minimum meet requirements noted in eligibility checklist Appendix A-VIII_1. However, significant hepatic and pulmonary dysfunction, if secondary to underlying LCH disease activity, will not exclude patients from protocol enrollment and should be discussed with the National PI Coordinator and the Coordinating Principal Investigator.
• Stratum V
• All patients with verified diagnosis of LCH and MRI findings consistent with ND-CNSLCH irrespective of previous treatments (also those not registered to other Strata ofLCH-IV).
• Patients with isolated tumorous CNS-LCH (including isolated DI with mass lesion in the hypothalamus-pituitary axis). In patients with already established diagnosis of LCH and radiologic finding of CNS lesions compatible with LCH, a biopsy of the lesion is not obligatory. In all other cases a biopsy of the lesion is needed for inclusion into the study
• Stratum VI -- Patients with newly diagnosed SS-LCH and localization other than "multifocal bone",isolated tumorous CNS lesion, or isolated "CNS-risk" lesion.
• Stratum VII -- All patients registered in LCH IV (regardless of treatment) as long as consent for longterm follow-up has not been withheld.
• Stratum I
• Pregnancy (patients of child-bearing age must be appropriately tested before chemotherapy)
• LCH-related permanent consequences (e.g. vertebra plana, sclerosing cholangitis, lung fibrosis, etc.) in the absence of active disease
• Prior systemic therapy
• Stratum II
• Patients with progressive disease in risk organs
• Permanent consequences (e.g. sclerosing cholangitis, lung fibrosis, etc.) without evidence of active LCH in the same organ or in any other locations
• No written consent of the patient or his/her parents or legal guardian
• Stratum III
• The presence of any of the following criteria will exclude the patient from the study:
• Isolated sclerosing cholangitis without evidence of active hepatic LCH as the only evidence of risk organ involvement.
• Inadequate renal function as defined by serum creatinine > 3x normal for age
• Stratum IV
• Pulmonary failure (requiring mechanical ventilation) not due to active LCH.
• Isolated liver sclerosis or pulmonary fibrosis, without active LCH.
• Uncontrolled active life-threatening infection.
• Decreased renal function with a GFR of less than 50ml/1.73m2/min.
• Pregnancy or active breast feeding
• Failure to provide signed informed consent
• Stratum VI
• Patients with SS-LCH who have an isolated tumorous CNS lesion (they are eligible for Stratum V),
• Patients with isolated "CNS-risk" or multifocal bone lesions (they are eligible for Stratum I, Group 2)

• 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

1. Participant is able and willing to provide informed consent (≥18 years), or informed consent is obtained by the parent or legal guardian for minor participants, with the minor providing age appropriate assent, according to local law and regulations; 2. Life expectancy ≥ 12 weeks; 3. Known high-risk neuroblastoma OR previously intermediate-risk neuroblastoma that has relapsed or progressed to high-risk, with failure to achieve complete response with standard therapy (defined as at least 4 cycles of aggressive multi-drug induction chemotherapy with or without radiation and surgery, or according to a standard high-risk treatment/neuroblastoma protocol), OR who are medically ineligible to receive standard treatment OR who are intolerant to standard treatment; 4. Adequate recovery from acute toxic effects of any prior therapy, as deemed by the Investigator or treating Sub-Investigator; 5. Adequate liver function as defined by the following laboratory values obtained within 28 days prior to administration of 64Cu-SARTATE: Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) < 3.0 x upper limit of normal (ULN); 6. Adequate renal function; 7. Adequate laboratory parameters: Absolute neutrophil count > 1.0 x 10 9/L; Platelet count > 50 x 10 9/L; Total bilirubin <1.5 x ULN; 8. Karnofsky or Lansky performance status ≥50; 9. All participants must have a hematopoietic stem cell product available (minimum CD34+ cell dose is ≥2 x 10 6 cells/kg); 10. Sexually active participants of reproductive potential must practice an effective method of birth control while participating on this study, to avoid possible damage to the fetus. Abstinence is considered acceptable; 11. 64Cu-SARTATE uptake on the 4 hour scan (SUVmax) of any lesion equal to or higher than that of the liver in order to move on to the therapy phase of the study. 1. Participants with disease of any major organ system that would compromise their ability to tolerate therapy, as deemed by the Investigator or treating Sub-Investigator; 2. Any other active malignancy, or a history of prior malignancy within the past 3 years; 3. History of cardiac failure as evidenced by: dyspnea at rest, exercise intolerance, oxygen requirement, clinically significant cardiac dysfunction; 4. Planned administration of chemotherapy, anti-cancer cytokine therapy, immunotherapy or radiotherapy within 2 weeks prior to the administration of 64Cu-SARTATE; 5. Administration of therapeutic dose of 131I-MIBG within 8 weeks prior to the administration of 64Cu-SARTATE; 6. External beam radiation therapy (EBRT) to both kidneys or a single functioning kidney within 12 months prior to the administration of 64Cu-SARTATE; 7. Administration of any investigational agents within 21 days prior to administration of 64Cu-SARTATE; 8. Treatment with long acting somatostatin analogues (administered within 28 days prior to the administration of 64Cu-SARTATE), or short acting somatostatin analogues (administered within 24 hours prior to the administration of 64Cu-SARTATE); 9. Known sensitivity or allergy to somatostatin analogues; 10. Previous peptide receptor radionuclide therapy (PRRT); 11. Female participants who are pregnant or lactating; 12. Participants who are on hemodialysis; 13. QTc interval ≥ 0.45 seconds as measured by Screening ECG; 14. Participants with uncontrolled infection(s); 15. Any medical condition which the Investigator feels may interfere with the procedures or evaluations of the study; 16. Participants 12 months and younger will be excluded from cohorts where the planned single or cumulative administered activity is modelled to deliver a radiation dose to the marrow that exceeds 2 Gy.

• Subject is considered an adult according to local regulation at the time of signing the informed consent form (ICF).
• Subject has measurable disease by RECIST Version 1.1.
• Subject has accessible archival tumor tissue from either the primary tumor or a metastatic site, for which source and availability have been confirmed prior to study treatment. If no archival tumor tissue is available, the subject will have a biopsy to obtain tumor tissue prior to study treatment. If the subject is unable to undergo a biopsy due to safety concerns, enrollment into the study must be discussed with the medical monitor.
• For cohort 9 only: Subject should submit archival or fresh tumor tissue sample for programmed cell death-ligand 1 (PD-L1) central testing during screening if no local PD-L1 test result is available. Central test result for PD-L1 will be required prior to subject enrollment. For cohort 9 subjects with local PD-L1 test result confirming CPS ≥ 1, archival or fresh tissue sample for exploratory analysis should be submitted within 5 days of enrollment.
• Subject has ECOG performance status of 0 or 1.
• Subject has the following baseline laboratory data. If a subject has received a recent blood transfusion, the hematology tests must be obtained ≥ 28 days after any blood transfusion.
• absolute neutrophil count (ANC) ≥ 1.0 × 10^9/L
• platelet count ≥ 100 × 10^9/L
• hemoglobin ≥ 9 g/dL
• serum total bilirubin ≤ 1.5 × upper limit of normal (ULN) or ≤ 3 × ULN for subjects with Gilbert's disease
• creatinine clearance (CrCl) ≥ 30 mL/min as estimated per institutional standards or as measured by 24-hour urine collection (glomerular filtration rate [GFR] can also be used instead of CrCl).
• alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 3 × ULN
• Subject agrees not to participate in another interventional study while receiving study treatment in the present study.
• Additional contraceptive requirements exist for male and female subjects. Disease Specific
• Evidence of progression on or after the last regimen received.
• Locally advanced or metastatic disease that is not amenable to curative intent treatment. Cohort 1: HR+/HER2- breast cancer
• Subject has evidence of radiographic progression on or after the last regimen received.
• Subject has histologically- or cytologically-confirmed HR+/HER2- (estrogen receptor [ER] positive and/or progesterone receptor [PR] positive, and HER2 negative) breast cancers and are not considered a candidate for further hormonal therapy. Subject will be considered HR+ if biopsies show ≥ 1% expression of ER or PR as per current American Society of Clinical Oncology/College of American Pathologists (ASCO/CAP) guidelines.
• Subject has locally advanced or metastatic disease that is not amenable to curative intent treatment.
• Subject must have received a taxane or anthracycline in the neoadjuvant, adjuvant or incurable, locally advanced or metastatic setting.
• Prior cytotoxic regimen received in the neoadjuvant or adjuvant setting will count as a prior cytotoxic regimen if disease recurrence occurred during or within 6 months of completing the regimen.
• Subject has progressed, relapsed, or discontinued for toxicity during or after at least 1 prior standard of care cytotoxic regimen in the incurable, unresectable locally advanced or metastatic setting, and has not received > 2 prior lines of cytotoxic therapy in the locally advanced or metastatic setting. No limit applies to endocrine therapies. Poly(ADP-ribose) polymerases (PARP) inhibitors do not count as a line of cytotoxic therapy.
• Subject has progressed, relapsed, or discontinued for toxicity during or after receiving endocrine therapy or with hormonally-directed therapy with cyclin-dependent kinase (CDK) inhibitors. Prior therapy with CDK inhibitors is not required. Cohort 2: triple negative breast cancer (TNBC)
• Subject has evidence of radiographic progression on or after the last regimen received.
• Subject has histologically- or cytologically-confirmed TNBC; defined as unequivocal TNBC histology (ER-negative/PR-negative/HER2-negative). This is defined by < 1% expression of ER and PR by immunohistochemistry (IHC), and that are, for HER2, either 0 to 1+ by IHC, or IHC 2+ and fluorescence in situ hybridization (FISH) negative (not amplified) as per current ASCO/CAP guidelines.
• Subject has locally advanced or metastatic disease that is not amenable to curative intent treatment.
• Subject must have received a taxane or anthracycline in the neoadjuvant, adjuvant or incurable, locally advanced or metastatic setting.
• Prior cytotoxic regimen received in the neoadjuvant or adjuvant setting will count as a prior cytotoxic regimen if disease recurrence occurred during or within 6 months of completing the regimen.
• Subject has progressed, relapsed, or discontinued for toxicity during or after at least 1 prior standard of care cytotoxic regimen in the incurable, unresectable locally advanced or metastatic setting, and has not received > 2 prior lines of cytotoxic therapy in the locally advanced or metastatic setting. Poly(ADP-ribose) polymerases (PARP) inhibitors do not count as a line of cytotoxic therapy.
• Subject has received prior therapy with an anti-programmed cell death protein-1 (PD-1) or an anti-programmed cell death-ligand 1 (PD-L1) based on subject's tumor PD-1 or PD-L1 expression and local treatment guidelines and has progressed or discontinued treatment due to toxicity, or therapy is contraindicated for subject. Cohort 3: squamous non-small cell lung cancer (NSCLC)
• Subject has evidence of radiographic progression on or after the last regimen received.
• Subject has histologically or cytologically-confirmed squamous NSCLC.
• Subjects with mixed histology NSCLC are eligible provided there is not any component of neuroendocrine histology.
• Subjects with known epidermal growth factor receptor (EGFR), anaplastic lymphoma kinase (ALK), reactive oxygen species (ROS), BRAF, or other actionable mutations are eligible if treated with mutation targeted therapy and have progressed, relapsed, or discontinued treatment due to toxicity.
• Subject has locally advanced or metastatic disease that is not amenable to curative intent treatment.
• Subject has progressed, relapsed, or discontinued treatment due to toxicity after 1 platinum-based standard of care regimen for locally advanced or metastatic disease, and has not received > 2 prior lines of cytotoxic anticancer therapy in the locally advanced or metastatic setting. 1. Subjects with locally advanced disease who previously received curative intent treatment with platinum-based standard of care regimen in the adjuvant or neoadjuvant setting or as part of concomitant chemoradiation therapy are eligible if they have progressed or relapsed within 6 months of completion. 2. Maintenance therapy does not constitute a new chemotherapy regimen provided there was no progression after the initial platinum-based regimen. 3. Changing chemotherapy agents during platinum-based treatment for the management of toxicities does not constitute a new chemotherapy regimen provided no progression had occurred while on the initial therapy.
• Subject has received prior therapy with an anti-PD-1 or anti-PD-L1 based on subject's tumor PD-1 or PD-L1 expression and local treatment guidelines and has progressed, relapsed, or discontinued treatment due to toxicity, or therapy is contraindicated for subject. Cohort 4: non-squamous non-small cell lung cancer
• Subject has evidence of radiographic progression on or after the last regimen received.
• Subject has histologically- or cytologically-confirmed non-squamous NSCLC.
• Subjects with mixed histology NSCLC are eligible provided there is not any component of neuroendocrine histology.
• Subjects with known EGFR, ALK, ROS, BRAF, or other actionable mutations are eligible if treated with mutation targeted therapy and have progressed, relapsed, or discontinued treatment due to toxicity.
• Subject has locally advanced or metastatic disease that is not amenable to curative intent treatment.
• Subject has progressed, relapsed, or discontinued treatment due to toxicity after 1 platinum-based standard of care regimen for locally advanced or metastatic disease, and has not received > 2 prior lines of cytotoxic anticancer therapy in the locally advanced or metastatic setting. 1. Subjects with locally advanced disease who previously received curative intent treatment with platinum-based standard of care regimen in the adjuvant or neoadjuvant setting or as part of concomitant chemoradiation therapy are eligible if they have progressed or relapsed within 6 months of completion. 2. Maintenance therapy does not constitute a new chemotherapy regimen provided there was no progression after the initial platinum-based regimen. 3. Changing chemotherapy agents during platinum-based treatment for the management of toxicities does not constitute a new chemotherapy regimen provided no progression has occurred while on the initial therapy.
• Subject has received prior therapy with an anti-PD-1 or anti-PD-L1 based on subject's tumor PD-1 or PD-L1 expression and local treatment guidelines and has progressed, relapsed, or discontinued treatment due to toxicity, or therapy is contraindicated for subject. Cohort 5: second-line or later head and neck cancer
• Subject has evidence of radiographic progression on or after the last regimen received.
• Subject has histologically- or cytologically-confirmed head and neck cancer.
• Primary tumor site must arise from the oral cavity, oropharynx, hypopharynx, and larynx; tumors arising from the nasopharynx are excluded. Salivary gland tumors and/or parotid gland tumors are not eligible for Cohort 5.
• Subject has locally advanced or metastatic disease that is not amenable to curative intent treatment.
• Subject has progressed, relapsed, or discontinued treatment due to toxicity after 1 platinum-based standard of care regimen for locally advanced or metastatic disease, and has not received > 2 prior lines of cytotoxic anticancer therapy in the locally advanced or metastatic setting.
• Subjects with locally advanced disease who previously received curative intent treatment with platinum-based standard of care regimen in the adjuvant or neoadjuvant setting or as part of concomitant chemoradiation therapy are eligible if they have progressed or relapsed within 6 months after completion.
• Subject has received prior therapy with an anti-PD-1 or anti-PD-L1 based on subject's tumor PD-1 or PD-L1 expression and local treatment guidelines and has progressed, relapsed, or discontinued treatment due to toxicity, or therapy is contraindicated for subject. Cohorts 6, 7 and 8: gastric or gastroesophageal junction (GEJ) or esophageal adenocarcinoma
• Subject has evidence of radiographic progression on or after the last regimen received.
• Subject has histologically- or cytologically-confirmed gastric, GEJ, or esophageal cancer.
• Subject has locally advanced or metastatic disease that is not amenable to curative intent treatment.
• Subject has progressed, relapsed, or discontinued due to toxicity after 1 platinum-based standard of care regimen for locally advanced or metastatic disease, and has not received > 2 prior lines of cytotoxic anticancer therapy in the locally advanced or metastatic setting.
• Neoadjuvant or adjuvant cytotoxic regimens will count as a prior regimen if relapsed or progressed ≤ 6 months after completion.
• Subject must have received a HER2 directed therapy if known to have HER2 positive cancer.
• Subject has received prior therapy with an anti-PD-1 or anti-PD-L1 based on subject's tumor PD-1 or PD-L1 expression and local treatment guidelines and has progressed, relapsed, or discontinued treatment due to toxicity, or therapy is contraindicated for subject. Cohort 9: 1L HNSCC
• Subject has histologically- or cytologically-confirmed head and neck squamous cell carcinoma. a. Primary tumor site must arise from the oral cavity, oropharynx, hypopharynx, and larynx; tumors arising from the nasopharynx are excluded. Salivary gland tumors and/or parotid gland tumors are not eligible for Cohort 9.
• Subject has recurrent or metastatic disease that is incurable by local therapies.
• Subject's tumor sample has PD-L1 combined positive score (CPS) of ≥ 1 as determined by local or central IHC testing.
• Subject has had no prior systemic therapy administered with the exception of systemic therapy completed > 6 months prior if given as part of multimodal treatment for locally advanced disease. Subjects who have received a PD-1 or PD-L1 inhibitor in the curative setting are eligible if it has been at least 12 months since last dose of the anti PD-L1 agent.
• Subject has ANC ≥ 1.5 × 10^9/L.
• International normalized ratio (INR) OR prothrombin time (PT) and activated partial thromboplastin (aPTT) both ≤ 1.5 × ULN unless subject is receiving anticoagulant therapy as long as PT or aPTT is within the therapeutic range of intended use of anticoagulants. PTT may be used if local lab is unable to perform aPTT.
• For subjects with oropharynx tumors, subject has results from testing of HPV status by p16 testing. For All Cohorts:
• Subject has preexisting sensory or motor neuropathy Grade ≥ 2.
• Subject has active central nervous system (CNS) metastases. Subjects with treated CNS metastases are permitted on study if all the following are true:
• CNS metastases have been clinically stable for ≥ 6 weeks prior to screening
• If requiring steroid treatment for CNS metastases, the subject is on a stable dose ≤ 20 mg/day of prednisone or equivalent for ≥ 2 weeks
• Baseline imaging scans show no evidence of new or enlarged brain metastasis
• Subject does not have leptomeningeal disease
• Subject has ongoing clinically significant toxicity (Grade 2 or higher with the exception of alopecia) associated with prior treatment (including systemic therapy, radiotherapy or surgery).
• Subjects with ongoing ≥ Grade 3 immunotherapy-related hypothyroidism or panhypopituitarism are excluded. Subjects with ongoing immunotherapy-related colitis, uveitis, myocarditis or pneumonitis, or subjects with other immunotherapy-related AEs requiring high doses of steroids (> 20 mg/day of prednisone or equivalent), are excluded. Subject with ≤ Grade 2 immunotherapy-related hypothyroidism or panhypopituitarism may be enrolled when well maintained/controlled on a stable dose of hormone replacement therapy (if indicated).
• Subject has a history of uncontrolled diabetes mellitus within 3 months before the first dose of study treatment. Uncontrolled diabetes (within 3 months before first dose) is defined as hemoglobin A1c (HbA1c) ≥ 8% or HbA1c between 7 and < 8% with associated diabetes symptoms (polyuria or polydipsia) that are not otherwise explained. The lowest HbA1c during the screening period will be used to determine eligibility.
• Subject has prior treatment with enfortumab vedotin or other monomethyl auristatin E (MMAE) based antibody-drug conjugates (ADCs).
• Subject has a second malignancy diagnosed within 3 years before first dose of study drug, or any evidence of residual disease from a previously diagnosed malignancy. Subjects with non-melanoma skin cancer, localized prostate cancer treated with curative intent with no evidence of progression, low-risk or very low-risk (per standard guidelines) localized prostate cancer under active surveillance/watchful waiting without intent to treat, or carcinoma in situ of any type (if complete resection was performed) are allowed.
• Subject is currently receiving systemic antimicrobial treatment for viral, bacterial, or fungal infection at the time of first dose of study treatment. Routine antimicrobial prophylaxis is permitted.
• Subject has known active hepatitis B (e.g., hepatitis B surface antigen [HBsAg] reactive) or active hepatitis C (e.g., hepatitis C virus [HCV] RNA [qualitative] is detected).
• Subject has known history of human immunodeficiency virus (HIV) infection (HIV 1 or 2).
• Subject has documented history of a cerebral vascular event (stroke or transient ischemic attack), unstable angina, myocardial infarction or cardiac symptoms (including congestive heart failure) consistent with New York Heart Association Class III-IV within 6 months prior to the first dose of study drug.
• Subject has major surgery within 4 weeks prior to first dose of study drug.
• Subject had radiotherapy, chemotherapy, biologics, investigational agents, and/or antitumor treatment with immunotherapy that is not completed 2 weeks prior to first dose of study drug.
• Subject has known hypersensitivity to enfortumab vedotin or to any excipient contained in the drug formulation of enfortumab vedotin (including histidine, trehalose dihydrate and polysorbate 20) OR subject has known hypersensitivity to biopharmaceutical produced in Chinese hamster ovary cells.
• Subject has known active keratitis or corneal ulcerations. Subject with superficial punctate keratitis is allowed if the disorder is being adequately treated.
• Subject has any condition which makes the subject unsuitable for study participation. Cohort 9: 1L HNSCC
• Had PD within 6 months of completion of curatively intended systemic treatment for locoregionally advanced HNSCC.
• Has had an allogeneic tissue/solid organ transplant. Has severe hypersensitivity (≥grade 3) to pembrolizumab and/or any of its excipients.
• Has a history of (non-infectious) pneumonitis / interstitial lung disease that required steroids or has current pneumonitis / interstitial lung disease.
• Has a history of idiopathic pulmonary fibrosis, organizing pneumonia, drug-induced pneumonitis, idiopathic pneumonitis, or evidence of active pneumonitis on screening chest CT scan.
• Has a life expectancy of less than 3 months and/or has rapidly progressing disease (e.g. tumor bleeding, uncontrolled tumor pain) in the opinion of the treating investigator.
• Active autoimmune disease that has required systemic treatment in past 2 years (i.e. with use of disease modifying agents, corticosteroids or immunosuppressive drugs). 1. Replacement therapy (e.g., thyroxine, insulin, physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency) is not considered a form of systemic treatment and is allowed. 2. Brief (<7 days) use of systemic corticosteroids is allowed when use is considered standard of care. 3. Subjects with vitiligo, psoriasis, type 1 diabetes mellitus, hypothyroidism, or resolved childhood asthma/atopy will not be excluded. 4. Subjects requiring intermittent use of bronchodilators, inhaled steroids, or local steroid injections will not be excluded. 5. Subjects with hypothyroidism that is stable with hormone replacement or Sjögren's syndrome will not be excluded.
• Has an active infection requiring systemic therapy.
• Has received prior therapy with an anti-PD-1 or anti-PD-L1 agent in the recurrent/metastatic setting. If anti-PD-1 or anti-PD-L1 agent was given as part of curative intent therapy, it must be at least 1 year since last dose.
• Has received a live vaccine within 30 days of planned start of study therapy. Examples of live vaccines include, but are not limited to, the following: measles, mumps, rubella, varicella/zoster (chicken pox), yellow fever, rabies, Bacillus Calmette Guérin, and typhoid vaccine. Seasonal influenza vaccines for injection are generally killed virus vaccines and are allowed; however, intranasal influenza vaccines (e.g., FluMist®) are live attenuated vaccines and are not allowed.
• Subject has active tuberculosis

• Subject has partial of full thickness thermal injury of 1-15% of total body surface area (TBSA)
• Subject has an inpatient admission for their burn
• Subject or authorized decision maker understands the study procedures and can provide informed consent to participate in the study and authorization for release of relevant protected health information to the study investigator
• Subject with inhalation injury and/or intubation
• Subject receiving immunosuppressive medications including chronic steroids, immune modulating medications, and chemotherapy prior to admission
• Subject with pre-existing severe chronic liver disease or end stage renal disease

Pregnant Women- Pregnant women who meet all of the following criteria are eligible for enrollment as study participants: 1. Age 18 years or older 2. Able to understand the oral and written instructions associated with study visits and procedures and provide informed consent 3. Pregnant at any stage 4. Planning to give birth at a study-site designated center 5. Agrees to enroll offspring into the study at birth 6. In the case of multiple gestation, agrees to enroll only one child who will be selected by randomized birth order Biological Fathers- Biological fathers who meet all of the following criteria are eligible for enrollment as study participants: 1. Age 18 years or older 2. Able to understand the oral and written instructions associated with study visits and procedures and provide informed consent Pregnant Women- Pregnant women who meet any of these criteria are not eligible for enrollment: 1. Inability or unwillingness to comply with study protocol 2. Serious pregnancy complication (in the judgement of the investigator) prior to enrollment 3. Fetus has a major chromosomal anomaly 4. Plans to move and would not be available for in-person visits at a study site 5. Plans to give up her child for adoption at birth 6. Pregnancy is the result of an egg donation Infants- Infants who meet any of these criteria are not eligible for enrollment: 1. Delivered earlier than 34 weeks of gestation 2. Sibling already enrolled 3. Born with a significant birth defect or medical condition, and in the judgment of the investigators, participation is not in the infant's best interest Biological Father- 1. Biological fathers who are unable or unwilling to comply with the study protocol as it pertains to the biological father's participation are not eligible for enrollment ----Note Regarding Legal Guardians who are not the Biological Parents: 1. At screening for enrollment of either the mother or the child, if the biological mother intends to give the infant up for adoption, neither the mother nor the child are eligible for enrollment 2. If the biological mother gives up legal guardianship of the child during the child's follow-up period, the child may remain enrolled as long as the new legal guardian:
• Agrees to meet the child's study requirements, and
• Provides written informed consent for the child's continued participation. 3. Throughout the protocol where it refers to the mother, father, or parent answering questionnaires about the child or collecting samples from the child and the child's primary home, the legal guardian who provides consent for the child's participation may complete those procedures

• Subjects with advanced or metastatic solid tumor in subjects whose disease has progressed despite standard therapy, or who has no further standard therapy, or who is unsuitable for available standard treatment options.
• Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1 with adequate organ function
• Have known PD-L1 status with prior testing by immunohistochemistry and a corresponding combined positive score (CPS) For dose expansion study only:
• Advanced or metastatic gastric cancer, gastroesophageal junction carcinoma, and esophageal adenocarcinoma without further standard therapy or unsuitable for available standard treatment options.
• Must have CLDN18.2-positive tumor expression as determined by the CLDN18.2 IHC assay Exclusion Criteria
• Prior exposure to CLDN18.2 -targeted therapy
• Prior exposure to 4-1BB agonists
• Second malignancy within the last 3 years with the exception of cutaneous squamous cell carcinoma or cutaneous basal cell carcinoma or cervical carcinoma in situ
• Known active or chronic Hepatitis B or Hepatitis C, other hepatitides
• Unstable/active ulcer or digestive tract bleeding within 6 weeks
• Active autoimmune disease requiring systemic treatment within the past 2 years
• Active interstitial lung disease (ILD) or pneumonitis or a history of ILD or pneumonitis requiring treatment
• Known active CNS metastases and/or carcinomatous meningitis. Subjects with previously treated brain metastases may participate provided they are clinically stable and without requirement of steroid treatment for at least 14 days prior to first dose of study treatment;
• New York Heart Association (NYHA) Class 3 or 4 congestive heart failure, severe/unstable angina, myocardial infarction (MI), symptomatic congestive heart failure, cerebrovascular accident, transient ischemic attack (TIA), arterial embolism, pulmonary embolism, percutaneous transluminal coronary angioplasty (PTCA), deep vein thrombosis, or coronary artery bypass grafting (CABG) in the previous 6 months
• Diagnosis of immunodeficiency such as known active HIV
• Any active infection requiring parenteral treatment

1. Provide written informed consent directly or via legal representative prior to any clinical study procedures being performed 2. Willing to comply with all study procedures and expects to be available for the duration of the study 3. Male and females ≥ 18 years of age and ≤ 75 years of age 4. Patients with deep dermal or full thickness burns between 3% and 60%, inclusive, of their total body surface area (TBSA). Types of burns include the following:
• Scalding including from hot water, cooking oil, grease
• Flame
• Flash
• Contact 5. Subjects who have staged surgical procedures planned e.g., one procedure to excise the burn injury and a later procedure to prepare the wound bed and apply an autologous skin graft. 6. The minimum total area across all lesions to have NovoSorb® BTM applied is 3% TBSA 7. Females, who are non-pregnant, naturally postmenopausal, or who agree to use effective contraceptive methods throughout the course of the study. 1. Has a known hypersensitivity to polyurethane 2. Only a non-burn injury has been experienced by the subject including soft-tissue degloving and friction burn/crush, i.e., road rash 3. Multiple traumas, i.e., significant traumatic injury to a solid organ in addition to skin 4. Presence of a medical condition with a life expectancy of less than 12 months, such as advanced malignancy 5. Presence of a medical condition that might interfere with treatment evaluation; or require a change in therapy including but not limited to, significant immune deficiency, or skin or vascular diseases in the area of the wound 6. For females
•has known or suspected pregnancy, planned pregnancy, or during lactation 7. Has exposure to any other investigational agent within the last 6 months 8. Has exposure to any other treatment/device that will interfere with NovoSorb® BTM integration 9. Anticipated inability to perform wound care and follow-up procedures 10. Anticipates of a level of non-compliance 11. The use of off-label treatments for full-thickness / deep-dermal burns is not permitted 12. Clinical signs of wound infection at areas to be potentially treated using NovoSorb® BTM that in the opinion of the investigator may compromise safety and study objectives 13. The use of NovoSorb® BTM on the face and in the perineum area is not permitted

• Patient must have a diagnosis of BRAF^V600E/K-mutated metastatic melanoma
• Patient must have had documented radiographic or clinical evidence of progressive disease while on combination BRAF/MEK inhibitor therapy. For Phase 2 only, no more than one intervening therapy since progression on BRAF/MEK inhibitor therapy is allowed. Subjects who have evidence of progression while on, or within 4 weeks of completing, combination BRAF/MEK inhibitor therapy in the adjuvant setting will be eligible
• PHASE 2 ONLY: Patient must have EZH2 alteration (somatic mutation or copy number alteration). Can be performed on either archival or fresh specimen. EZH2 alterations need to be documented by a Clinical Laboratory Improvement Act (CLIA)/Clinical Laboratory Improvement Program (CLIP)-certified next generation sequencing platform (Foundation One, Tempus, Guardant360, etc.)
• PHASE 2 ONLY: Patient must have measurable disease
• PHASE 2 ONLY: Patient must have at least one tumor lesion amenable to biopsy. If possible, this lesion should be different from the lesion used for following tumor measurements but is not required
• PHASE 2 ONLY: Patient must agree to planned pre-treatment and planned on-treatment biopsy. A pre-treatment biopsy will be optional if patient has an archival tissue block or 5 formalin-fixed paraffin-embedded (FFPE) slides available from specimen used to document presence of eligible EZH2 alteration that is deemed adequate for evaluation
• Patient must be >=18 years
• Because no dosing or adverse event data are currently available on the use of tazemetostat in combination with dabrafenib and trametinib in patients < 18 years of age, children are excluded from this study
• Patient must have an Eastern Cooperative Oncology Group (ECOG) performance status =< 2 (Karnofsky >= 50%)
• Patients with symptomatic central nervous system (CNS) metastases are eligible if previously treated with surgery and/or radiation with no evidence of radiologic CNS recurrence or progression for 4 weeks and on a stable/tapering dose of steroid for at least one week prior to start of study drug. Patients with new or progressive asymptomatic CNS metastases are eligible
• Hemoglobin >= 9 g/dL
• Albumin >= 2.5 g/dL
• Leukocytes >= 3,000/mcL
• Absolute neutrophil count >= 1,500/mcL
• Platelets >= 100,000/mcL
• Serum bilirubin =< 1.5 x institutional upper limit of normal (ULN) except subjects with known Gilbert's syndrome
• Aspartate aminotransferase (AST) (serum glutamic-oxaloacetic transaminase [SGOT])/alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase [SGPT]) =< 2.5 x institutional ULN
• Creatinine =< 1.5 mg/dL OR calculated creatinine clearance (Cockcroft-Gault formula) >= 50 mL/min
• Glomerular filtration rate (GFR) >= 60 mL/min/1.73 m^2
• Patients with a prior (or concurrent, if enrolling in Phase 1) 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
• Patient must be able to swallow and retain oral medication and must not have any clinically significant gastrointestinal abnormalities that may alter absorption such as malabsorption syndrome or major resection of the stomach or bowels
• Prothrombin time (PT)/international normalized ratio (INR) and partial thromboplastin time (PTT) =< 1.3 x institutional ULN. Prophylactic low dose warfarin may be given to maintain central catheter patency
• The effects of tazemetostat, and the combination of tazemetostat, dabrafenib and trametinib on the developing human fetus are unknown. Women of childbearing potential and all male patients must agree to the following:
• For women of childbearing potential: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive methods that result in a failure rate of < 1% per year during the treatment period, for 6 months after tazemetostat discontinuation, or for 6 months after discontinuation of the combination of tazemetostat, dabrafenib and trametinib. Should a woman become pregnant or suspect she is pregnant while she is participating in this study, she should inform her treating physician immediately
• A woman is considered to be of childbearing potential if she is postmenarcheal, has not reached a postmenopausal state (>= 12 continuous months of amenorrhea with no identified cause other than menopause), and has not undergone surgical sterilization (removal of ovaries and/or uterus)
• Examples of contraceptive methods with a failure rate of < 1% per year include bilateral tubal ligation, male sterilization, established, proper use of hormonal contraceptives that inhibit ovulation, hormone-releasing intrauterine devices, and copper intrauterine devices
• Due to the potential of enzyme induction with tazemetostat, female subjects who use hormonal contraceptives should use an additional barrier method of birth control while on study treatment and for 6 months after discontinuation of tazemetostat or the combination of tazemetostat, dabrafenib and trametinib
• The reliability of sexual abstinence should be evaluated in relation to the duration of the clinical study and the preferred and usual lifestyle of the patient. Periodic abstinence (e.g., calendar, ovulation, symptothermal, or post ovulation methods) and withdrawal are not acceptable methods of contraception
• Women of childbearing potential must have a negative urine or serum pregnancy test at screening
• For men: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive measures and agreement to refrain from donating sperm, as defined below:
• With female partners of childbearing potential or pregnant female partners, men must remain abstinent or use a condom during the treatment period and for at least 4 months after the last dose of study drug. Men must refrain from donating sperm during this same period. In addition, female partners of male subjects should adhere to the following:
• Intrauterine device (IUD) (must provide medical documentation of IUD)
• Hormonal contraceptive (partner must be on a stable dose of the same hormonal contraceptive product for at least 4 weeks before receiving study drug) AND a condom (hormonal contraceptives must be supplemented with condoms)
• The reliability of sexual abstinence should be evaluated in relation to the duration of the clinical study and the preferred and usual lifestyle of the patient. Periodic abstinence and withdrawal are not acceptable methods of contraception
• Ability to understand and the willingness to sign a written informed consent document. Participants with impaired decision-making capacity (IDMC) who have a legally-authorized representative (LAR) and/or family member available will also be eligible
• Have progressed on, been intolerant to is, ineligible for, or has refused prior standard of care anti-PD-1 based immunotherapy
• Previous therapy with a demethylating agent (i.e. decitabine) or previous therapy with an EZH2 inhibitor
• History of second malignancy not treated with curative intent
• History of life-threatening toxicity, including hypersensitivity, related to BRAF or MEK inhibitor therapy, or known immediate or delayed hypersensitivity reaction or idiosyncrasy to drugs chemically related to the study treatments, their excipients, and/or dimethyl sulfoxide (DMSO)
• Active infection requiring intravenous therapy
• Presence of untreated or progressive symptomatic CNS melanoma metastases. Diffuse leptomeningeal carcinomatosis or metastases causing spinal cord compression are exclusionary. Previously treated lesions should be stable for >= 4 weeks (must be documented by imaging). Subjects on a stable dose of corticosteroids for > 1 week can be enrolled. Subjects must also be off of enzyme-inducing anticonvulsants for > 4 weeks
• Radiation therapy in the last 14 days. Palliative radiation to a localized area without residual toxicity requires a washout of at least 7 days
• Prior systemic anti-cancer therapy (chemotherapy, targeted therapy, immunotherapy, biologic therapy, or vaccine therapy) within the 3 weeks preceding the first dose of study treatment. For Phase 2 only, prior chemotherapy regimens are not permitted
• Use of other investigational drugs within 28 days (or five half-lives, whichever is shorter; with a minimum of 14 days from the last dose) preceding the first dose of study treatment and during the study
• Unresolved toxicity of National Cancer Institute Common Terminology Criteria for Adverse Events, version 5.0 (NCI CTCAE v5.0) grade 2 or higher from previous anti-cancer therapy, except alopecia, at the time of randomization
• Current use of a prohibited medication. Patients must not be treated with any medications or substances that are strong or moderate inhibitors or inducers of of CYP3A or strong inhibitors or inducers of CYP2C8 within 14 days prior to the first treatment through the end of the study. Current use of, or intended ongoing treatment with: herbal remedies (e.g., St. John's wort), or strong inhibitors or inducers of P-glycoprotein (Pgp) or breast cancer resistance protein 1 (Bcrp1) should also be excluded
• Human immunodeficiency virus (HIV)-positive patients on combination antiretroviral therapy are ineligible because of the potential for pharmacokinetic interactions with dabrafenib
• A history of hepatitis B virus (HBV) or hepatitis C virus (HCV) infection (with the exception of cleared HBV and HCV infection, which will be allowed)
• History of interstitial lung disease or pneumonitis
• Clinically significant bleeding diathesis or coagulopathy, including known platelet function disorders. Patients on anticoagulation with low molecular weight heparin or low dose warfarin are allowed
• History of myeloid malignancies, including myelodysplastic syndrome (MDS)
• Has abnormalities known to be associated with MDS (e.g. del 5q, chr 7 abn) and multiple primary neoplasms (MPN) (e.g. JAK2 V617F) observed in cytogenetic testing and deoxyribonucleic acid (DNA) sequencing
• History of T-lymphoblastic lymphoma (T-LBL)/T-cell acute lymphoblastic leukemia (T-ALL)
• Patients with history of RAS mutation-positive tumors are not eligible regardless of interval from the current study. Note: Prospective RAS testing is not required. However, if the results of previous RAS testing are known, they must be used in assessing eligibility
• History or evidence of cardiovascular risks including any of the following:
• QT interval corrected for heart rate using Fridericia's formula (QT corrected by Fridericia [QTcF]) >= 450 msec
• History of acute coronary syndromes (including myocardial infarction or unstable angina), coronary angioplasty, or stenting within the past 24 weeks prior to randomization
• History or evidence of current class II, III, or IV heart failure as defined by the New York Heart Association (NYHA) functional classification system
• Intra-cardiac defibrillators
• Abnormal cardiac valve morphology (>= grade 2) documented by echocardiogram (ECHO); (subjects with grade 1 abnormalities [i.e., mild regurgitation/stenosis] can be entered on study). Subjects with moderate valvular thickening should not be entered on study
• History or evidence of current clinically significant uncontrolled cardiac arrhythmias; clarification: Subjects with atrial fibrillation controlled for > 30 days prior to dosing are eligible
• Treatment refractory hypertension defined as a blood pressure of systolic > 140 mmHg and/or diastolic > 90 mm Hg which cannot be controlled by anti-hypertensive therapy
• Left ventricular ejection fraction (LVEF) < institutional lower limit of normal (LLN) by ECHO or multigated acquisition scan (MUGA)
• Known cardiac metastases
• Patients with uncontrolled intercurrent illness
• Patients with psychiatric illness/social situations that would limit compliance with study requirements
• Pregnant women are excluded from this study because of the potential for teratogenic or abortifacient effects. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with tazemetostat / dabrafenib / trametinib, breastfeeding should be discontinued prior to treatment
• Patients with uncontrolled diabetes
• Patients with a history of retinal vein occlusion (RVO), retinal pigment epithelial detachment (RPED) or other ophthalmologic toxicity

• Patients have measurable disease per Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1).
• Patients must have disease with evidence of KRAS G12C mutation in tumor tissue or circulating tumor deoxyribonucleic acid (DNA).
• Participants must have a histological or a cytologically proven diagnosis of locally advanced, unresectable, and/or metastatic cancer and meet cohort-specific criteria.
• Have an Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1.
• Have adequate organ function.
• Have discontinued all previous treatments for cancer with resolution of any significant ongoing adverse events (AEs), (except in certain scenarios).
• Must be able to swallow capsule/tablet.
• Agree and adhere to contraceptive use, if applicable.
• For some parts of the study, (i.e., one of the two arms with LY3537982 in combination with pembrolizumab and the arm of LY3537982 in combination with pembrolizumab, pemetrexed, and platinum therapy) histologically or cytologically confirmed Stage IIIB-IIIC or Stage IV NSCLC that is previously untreated in the advanced/metastatic setting and not suitable for curative intent radical surgery or radiation therapy. Previously untreated patients who received adjuvant and neoadjuvant therapy are eligible if the last dose of the systemic treatment was completed at least 6 months prior to enrollment. For untreated patients in the arm with LY3537982 in combination with pembrolizumab noted above, a single cycle of pembrolizumab may be initiated within 21 days prior to enrollment. For untreated patients in the arm of LY3537982 in combination with pembrolizumab, pemetrexed, and platinum therapy, a single cycle of any or all of the drugs other than LY3537982 may be initiated within 21 days prior to enrollment. Start of study treatment may be delayed to allow sufficient time for recovery from treatment-related toxicity.
• For one part of the study, participants must have received at least one prior oxaliplatin- or irinotecan-containing regimen for advanced or metastatic CRC.
• Disease suitable for local therapy administered with curative intent.
• Have an active, ongoing, or untreated infection.
• Have a serious pre-existing medical condition(s) that, in the judgment of the investigator, would preclude participation in this study.
• Have a serious cardiac condition.
• Have a second active primary malignancy or have been diagnosed and/or treated for an additional malignancy within 3 years prior to enrollment.
• Have symptomatic central nervous system (CNS) malignancy or metastasis and/or carcinomatous meningitis. Patients with treated CNS metastases are eligible for this study if their disease is asymptomatic, radiographically stable for at least 30 days, and they do not require treatment with steroids in the two-week period prior to study treatment. This only applies to some parts of the study.
• Have received prior treatment with any KRAS G12C small molecule inhibitor, except in certain scenarios where such prior therapy is allowed as per protocol.
• The following patients will be excluded from some parts of the study:
• Experienced certain serious side effects with prior immunotherapy.
• Have an active autoimmune disease that has required systemic anti-autoimmune treatment in the past 2 years.
• Have received a live vaccine within 30 days prior to the first dose of study drug.
• Pregnant, breastfeeding, or expecting to conceive or father children within the projected duration of the trial through 180 days after the last dose of study medication.
• Known allergic reaction against any of the components of the study treatments.

• Patients must be =< 50 years of age at the time of enrollment
• Patients with newly diagnosed RMS of any subtype, except adult-type pleomorphic, based upon institutional histopathologic classification are eligible to enroll on the study based upon stage, group, and age, as below. FOXO1 fusion status must be determined by week 4 (day 28) of therapy. RMS types included under embryonal RMS (ERMS) include those classified in the 1995 International Classification of Rhabdomyosarcoma (ICR) as ERMS (classic, spindle cell, and botryoid variants), which are reclassified in the 2020 World Health Organization (WHO) Classification as ERMS (classic, dense and botryoid variants) and spindle cell/sclerosing RMS (encompassing the historical spindle cell ERMS variant and the newly recognized sclerosing RMS variant). Classification of alveolar RMS (ARMS) in the 2020 WHO Classification is the same as in the ICR and includes classic and solid variants
• ERMS
• Stage 4, group IV, >= 10 years of age
• ARMS
• Stage 4, group IV Patients will be eligible to remain on protocol therapy based upon stage, group, and age
• Bone marrow metastatic disease is based on morphologic evidence of RMS based on hematoxylin and eosin (H&E) stains. In the absence of morphologic evidence of marrow involvement on H&E, patients with bone marrow involvement detected ONLY by flow cytometry, reverse transcriptase (RT)-polymerase chain reaction (PCR), fluorescence in situ hybridization (FISH), or immunohistochemistry will NOT be considered to have clinical bone marrow involvement for the purposes of this study
• 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 (must be performed within 7 days prior to enrollment):
• Age; Maximum serum creatinine (mg/dL)
• 1 month to < 6 months; 0.4 mg/dL (male); 0.4 mg/dL (female)
• 6 months to < 1 year; 0.5 mg/dL (male); 0.5 mg/dL (female)
• 1 to < 2 years; 0.6 mg/dL (male); 0.6 mg/dL (female)
• 2 to < 6 years; 0.8 mg/dL (male); 0.8 mg/dL (female)
• 6 to < 10 years; 1 mg/dL (male); 1 mg/dL (female)
• 10 to < 13 years; 1.2 mg/dL (male); 1.2 mg/dL (female)
• 13 to < 16 years; 1.5 mg/dL (male); 1.4 mg/dL (female)
• >= 16 years; 1.7 mg/dL (male); 1.4 mg/dL (female)
• Total bilirubin =< 1.5 x upper limit of normal (ULN) for age (must be performed within 7 days prior to enrollment)
• If there is evidence of biliary obstruction by tumor, then total bilirubin must be < 3 x ULN for age
• 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
• Patients with evidence of uncontrolled infection are not eligible
• RMS that is considered a second malignancy and previous cancer(s) that were treated with chemotherapy and/or radiation. Surgical resection alone of previous cancer(s) is allowed
• Patients with central nervous system involvement of RMS as defined below:
• Malignant cells detected in cerebrospinal fluid
• Intra-parenchymal brain metastasis separate and distinct from primary tumor (i.e., direct extension from parameningeal primary tumors is allowed).
• Diffuse leptomeningeal disease
• Patients who have received any chemotherapy (excluding steroids) and/or radiation therapy for RMS prior to enrollment.
• Note: the following exception:
• Patients requiring emergency radiation therapy for RMS. These patients are eligible, provided they are consented to ARST2031 prior to administration of radiation
• Note: Patients who have received or are receiving chemotherapy or radiation for non-malignant conditions (e.g. autoimmune diseases) are eligible. Patients must discontinue chemotherapy for non-malignant conditions prior to starting protocol therapy
• Vincristine and vinorelbine are sensitive substrates of CYP450 3A4 isozyme. Patients must not have received drugs that are moderate to strong CYP3A4 inhibitors and inducers within 7 days prior to study enrollment
• 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

Key
• Disease:
• Part A: Individuals with histologically or cytologically confirmed advanced solid tumors who have received, been intolerant to, or been ineligible for all treatment known to confer clinical benefit.
• Part B: Individuals with histologically or cytologically confirmed select indications who have received, been intolerant to, or been ineligible for all treatment known to confer clinical benefit.
• Part C: Individuals with histologically or cytologically confirmed advanced solid tumors who have received, been intolerant to, or been ineligible for all treatments known to confer clinical benefit or whose disease is indicated for anti- programmed cell death protein 1 or programmed cell death ligand 1 (PD-[L]1) monoclonal antibody monotherapy.
• Part D: Individuals with pathologically confirmed select advanced solid tumors.
• Part E: Individuals with pathologically confirmed select advanced solid tumors. Participants must have received, have been intolerant to, or have been ineligible for all treatment known to confer clinical benefit.
• Part F: Individuals with pathologically-confirmed select advanced solid tumors. Participants must have received, have been intolerant to, or have been ineligible for all treatments known to confer clinical benefit; or, for participants who will undergo combination therapy, have disease which is indicated for anti-PD-(L)1 mAb monotherapy.
• Measurable disease per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1
• Eastern Cooperative Oncology Group (ECOG) performance status 0, 1, or 2 for individuals in Parts A, B, and C, and 0 or 1 for individuals in Parts D, E, and F.
• Adequate organ function.
• Male individuals and female individuals of childbearing potential who engage in heterosexual intercourse must agree to use methods of contraception.
• Tissue requirement:
• Parts A, C, D, E and F: Must provide pre-treatment adequate tumor tissue sample prior to enrollment.
• Part B and select participants in Parts C and F: Must have fresh pre-treatment and on-treatment biopsies for biomarker analysis. Key
• Concurrent anticancer treatment.
• Any anti-cancer therapy, whether investigational or approved, within protocol specified time prior to initiation of study including: immunotherapy or biologic therapy (< 28 days), chemotherapy (< 21 days), targeted small molecule therapy (< 14 days), hormonal therapy or other adjunctive therapy (< 14 days) or radiotherapy (< 21 days).
• Any prior CCR8 directed therapy.
• Prior allogeneic tissue/solid organ transplantation, including allogeneic stem cell transplantation. Exception: prior corneal transplant without requirement for systemic immunosuppressive agents is allowed.
• Concurrent active malignancy other than nonmelanoma skin cancer, curatively resected carcinoma in situ, localized prostate cancer, or superficial bladder cancer after undergoing potentially curative therapy with no evidence of disease. Individuals with other previous malignancies are eligible if disease-free for > 2 years.
• History of intolerance, hypersensitivity, or treatment discontinuation due to severe immune-related adverse events (irAEs) on prior immunotherapy.
• History of autoimmune disease or active autoimmune disease requiring systemic treatment within 2 years.
• History of pneumonitis, interstitial lung disease, or severe radiation pneumonitis (excluding localized radiation pneumonitis).
• Active and clinically relevant bacterial, fungal, or viral infection that is not controlled or requires IV antibiotics.
• Active hepatitis B virus (HBV) and/or hepatitis C virus (HCV), and/or human immunodeficiency virus (HIV).
• Positive serum pregnancy test or breastfeeding female.
• Live vaccines within 30 days prior to first dose.
• Significant cardiovascular disease. Note: Other protocol defined Inclusion/Exclusion criteria may apply.

General (applies to all cohorts) 1. Signed written informed consent. 2. Male or female patients aged ≥ 18 years. 3. Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 at study entry and an estimated life expectancy of at least 3 months. 4. Baseline Left Ventricular Ejection Fraction (LVEF) ≥ 55% measured by echocardiography (preferred) or multigated acquisition (MUGA) scan. 5. Adequate hematological function. 6. Adequate hepatic function. 7. Adequate renal function. 8. Effective contraception for women of child bearing potential (WOCBP) patients as defined by World Health Organization (WHO) guidelines for 1 "highly effective" method or 2 "effective" methods. NSCLC (HER2 Activated) Exploratory Efficacy Cohorts
•Monotherapy and Combination with Sacituzumab Govitecan-hziy. 1. Have progression of unresectable locally advanced or metastatic NSCLC after last systemic therapy (as confirmed by investigator) or be intolerant of last systemic therapy. 2. Have HER2 overexpression status (IHC 2+ or 3+), or ERBB2 amplification, or HER2 activating mutation 3. Have recurrent or progressive disease during or after platinum doublet-based chemotherapy. 4. Have received and progressed on or after anti-PD-(L)1 therapy. Metastatic Breast Cancer (HR+/HER2-) Exploratory Efficacy Cohort - Monotherapy and Combination with Sacituzumab Govitecan-hziy. 1. Documented evidence of HR+ metastatic breast cancer 2. Documented evidence of HER2- status. 3. Disease progression or recurrence after prior therapy. Metastatic Breast Cancer (HER2+) Exploratory Efficacy Cohorts - Combination with Sacituzumab Govitecan-hziy 1. Have histologically confirmed HER2+ breast cancer. 2. Have received prior treatment with trastuzumab, pertuzumab, ado-trastuzumab emtansine (T-DM1), or trastuzumab deruxtecan (T-DXd). 3. Have progression of unresectable locally advanced metastatic breast cancer after last systemic therapy or be intolerant of last systemic therapy. Dose Escalation 1. Evidence of objective disease, but participation does not require a measurable lesion. 2. Locally advanced or metastatic solid tumors, for which no standard therapy exists, or standard therapy has failed. 3. HER2 expression by immunohistochemistry and/or erbb2 amplification and/or erbb2 activating mutations. "3+3" Nivolumab Combination Cohort 1. Eligible to receive nivolumab per its label for a malignancy of epithelial origin; or 2. Have no standard therapy available, or standard therapy has failed, and must not have received nivolumab prior to joining the study. 3. HER2 expression by immunohistochemistry and/or ebb2 amplification and/or erbb2 activating mutations must be documented on either archival tissue or fresh tumor biopsy. "3+3" Nab paclitaxel Combination Cohort 1. Patients must be eligible for treatment with nab-paclitaxel per its label, or have no standard therapy available, or standard therapy has failed. 2. HER2 expression by immunohistochemistry and/or erbb2 amplification and/or erbb2 activating mutations must be documented on either archival tissue or fresh tumor biopsy. Safety/PK/PD Expansion Cohorts (Monotherapy and Combination Therapy). 1. Fresh tumor biopsy must be obtained during the screening window. 2. HER2 expression by immunohistochemistry (IHC). 3. Disease must be measurable with at least 1 unidimensional measurable lesion by RECIST 1.1. Urothelial Bladder Cancer Expansion Cohort(s). 1. Disease must be measurable with at least 1 unidimensional measurable lesion by RECIST 1.1. 2. Histologically or cytologically documented locally advanced or metastatic transitional cell carcinoma of the urothelium (including renal pelvis, ureters, urinary urothelial, urethra). 3. Patients must have received a platinum containing chemotherapy and an anti PD-1 or anti PD-L1 for the treatment of urothelial bladder cancer. Breast Cancer (HER2 Low) Expansion Cohort 1. Disease must be measurable with at least 1 unidimensional measurable lesion by RECIST 1.1 2. Histologically documented (metastatic or locally advanced) breast cancer. 3. Absence of erbb2 amplification by ISH and/or HER2 IHC of 0, 1+, or 2+. 4. Patient must have progressed after one line of systemic chemotherapy. Breast Cancer (HER2 High) Expansion Cohort 1. Disease must be measurable with at least 1 unidimensional measurable lesion by RECIST 1.1 2. Histologically documented (metastatic or locally advanced) breast cancer. 3. Erbb2 amplification by ISH and/or HER2 IHC of 3+, or 2+. If Herceptest score is 2+, ISH results should demonstrate erbb2 amplification. Basket erbb2 amplified Expansion Cohort 1. Disease must be measurable with at least 1 unidimensional measurable lesion by RECIST 1.1. 2. Documented history of erbb2 amplification. 3. Patients must have received at least one line of an approved or established therapy. Gastric Cancer (HER2 High) Expansion Cohort 1. Disease must be measurable with at least 1 unidimensional measurable lesion by RECIST 1.1. 2. Advanced (unresectable/recurrent/metastatic) gastric cancer or cancer of the gastro-esophageal junction. 3. Tumor must have been declared HER2 positive. Gastric Cancer (HER2 Low) Expansion Cohort 1. Disease must be measurable with at least 1 unidimensional measurable lesion by RECIST 1.1. 2. Advanced (unresectable/recurrent/metastatic) gastric cancer or cancer of the gastro-esophageal junction. 3. Tumor must have been declared HER2 low; ISH non-amplified and/or HER2 IHC of 0, 1+ or 2+. If Herceptest score is 0, HER2 must be detected by IHC on at least 1+ of the tumor cells. Esophageal Cancer (HER2 High) Expansion Cohort 1. Disease must be measurable with at least 1 unidimensional measurable lesion by RECIST 1.1. 2. Advanced (unresectable/recurrent/metastatic) esophageal cancer. 3. Tumor must have been declared HER2 positive. Esophageal Cancer (HER2 Low) Expansion Cohort 1. Disease must be measurable with at least 1 unidimensional measurable lesion by RECIST 1.1. 2. Advanced (unresectable/recurrent/metastatic) esophageal cancer. 3. Tumor must have been declared HER2 low; ISH non-amplified and/or HER2 IHC of 0, 1+ or 2+. If Herceptest score is 0, HER2 must be detected by IHC on at least 1+ of the tumor cells. Non-small Cell Lung Cancer (HER2 Low) Expansion Cohort 1. Disease must be measurable with at least 1 unidimensional measurable lesion by RECIST 1.1. 2. Histologically confirmed NSCLC meeting stage criteria for stage IIIB, stage IV, or recurrent disease that has been confirmed to have HER2 expression (at least 1+, however, patients must not carry an erbb2 amplification) via archival or fresh biopsy tissue prior to study enrollment. 3. Patients must have recurrent or progressive disease during or after platinum doublet-based chemotherapy. Non-small Cell Lung Cancer (HER2 High) Expansion Cohort 1. Disease must be measurable with at least 1 unidimensional measurable lesion by RECIST 1.1. 2. Histologically confirmed NSCLC meeting stage criteria for stage IIIB, stage IV, or recurrent disease that has been confirmed to have amplification of erbb2 via archival or fresh biopsy tissue prior to study enrollment. 3. Patients must have recurrent or progressive disease during or after platinum doublet-based chemotherapy. 1. Concurrent anticancer treatment (eg, cytoreductive therapy, radiotherapy [with the exception of palliative bone directed radiotherapy], immune therapy, or cytokine therapy except for erythropoietin), major surgery (excluding prior diagnostic biopsy), concurrent systemic therapy with steroids or other immunosuppressive agents, or use of any investigational drug within 28 days or 5 half-lives before the start of study treatment. Note: Patients receiving bisphosphonates are eligible provided treatment was initiated at least 14 days before the first dose of DF1001. 2. Previous malignant disease other than the target malignancy to be investigated in this study within the last 3 years, with the exception of basal or squamous cell carcinoma of the skin or cervical carcinoma in situ. 3. Rapidly progressive disease. 4. Active or history of central nervous system (CNS) metastases. 5. Receipt of any organ transplantation including autologous or allogeneic stem-cell transplantation. 6. Significant acute or chronic infections (including historic positive test for human immunodeficiency virus [HIV], or active or latent hepatitis B or active hepatitis C tested during the screening window). 7. Preexisting autoimmune disease (except for patients with vitiligo) needing treatment with systemic immunosuppressive agents for more than 28 days within the last 3 years or clinically relevant immunodeficiencies (eg, dys-gammaglobulinemia or congenital immunodeficiencies), or fever within 7 days of Day 1. 8. Known severe hypersensitivity reactions to mAbs (≥ Grade 3 NCI-CTCAE v5.0), any history of anaphylaxis, or uncontrolled asthma (ie, 3 or more features of partly controlled asthma). 9. Persisting toxicity related to prior therapy > Grade 1 NCI-CTCAE v5.0, however alopecia and sensory neuropathy ≤ Grade 2 is acceptable. 10. Pregnancy or lactation in females during the study. 11. Known alcohol or drug abuse. 12. Serious cardiac illness 13. NYHA III of IV heart failure or systolic dysfunction (LVEF < 55%) 14. High-risk uncontrolled arrhythmias ie, tachycardia with a heart rate > 100/min at rest 15. Significant ventricular arrhythmia (ventricular tachycardia) or higher-grade Atrioventricular block (AV-block; second-degree AV-block Type 2 [Mobitz 2] or third-degree AV-block) 16. Angina pectoris requiring anti-anginal medication 17. Clinically significant valvular heart disease 18. Evidence of transmural infarction on ECG 19. Poorly controlled hypertension (defined by: systolic > 180 mm Hg or diastolic > 100 mm Hg) 20. Clinically relevant uncontrolled cardiac risk factors, clinically relevant pulmonary disease or any clinically relevant medical condition in the opinion of the Investigator that may limit participation in this study. 21. Severe dyspnea at rest due to complications of advanced malignancy or requiring supplementary oxygen therapy. 22. All other significant diseases (e.g., inflammatory bowel disease), which, in the opinion of the Investigator, might impair the patient's ability to participate 23. Any psychiatric condition that would prohibit the understanding or rendering of informed consent. 24. Legal incapacity or limited legal capacity. 25. Incapable of giving signed informed consent, which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in this protocol .

1. Patients must have a malignant solid tumor with a pathogenic inactivating TSC1 or TSC2 alteration. Genetic alterations should be identified using NGS in tumor tissue or liquid biopsy). • Patients will be enrolled after the central evaluation of NGS report confirms eligibility. 2. Patients must have solid tumors that are metastatic or locally advanced where surgical resection is not an option or likely to result in severe morbidity. 3. Patients must have received all standard therapies appropriate for their tumor type and stage of disease or, in the opinion of the Investigator, the patient would be unlikely to tolerate or derive clinically meaningful benefit from appropriate standard of care therapy, or the patient has no satisfactory alternative treatments. 4. Patients must have 1 or more measurable target lesions by computed tomography (CT) scan or magnetic resonance imaging (MRI) (RECIST v1.1). 5. Age: 12 years or older. 6. Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1 or Karnofsky Performance Status (KPS) ≥80 or Lansky play-performance scale for pediatric patients ≥80. 7. Adequate liver function: 1. Total bilirubin ≤1.5 × upper limit of normal (ULN) (unless due to Gilbert's syndrome, then ≤3 × ULN) 2. Aspartate aminotransferase (AST) ≤2.5 × ULN (≤5 × ULN if attributable to liver metastases) 8. Adequate renal function: creatinine clearance ≥30 mL/min, Cockcroft-Gault CCr = ((140-age) × weight[kg]) / (72 × SCr[mL/min]) × 0.85, if female 9. Adequate hematologic parameters: 1. Absolute neutrophil count (ANC) ≥1.0 × 109/L (growth factor support allowed) 2. Platelet count ≥100,000/mm3 (100 × 109/L) (transfusion and/or growth factor support allowed) 3. Hemoglobin ≥8.0 g/dL (transfusion and/or growth factor support allowed) 10. Fasting serum triglyceride must be ≤300 mg/dL; fasting serum cholesterol must be ≤350 mg/dL. 11. Minimum of 4 weeks since any major surgery, completion of radiation, or completion of prior systemic anticancer therapy, or at least 5 half-lives if the prior therapy is a single agent small-molecule therapeutic, and adequately recovered from the acute toxicities of any prior therapy, including neuropathy, to Grade ≤1. 12. Male or non-pregnant and non-breastfeeding female: 1. Females of childbearing potential must agree to use effective contraception or abstinence without interruption from 28 days prior to starting investigational product (IP) throughout 3 months after last dose of IP and have a negative serum pregnancy test (beta human chorionic gonadotropin, β-hCG) result at screening and agree to ongoing pregnancy testing during the course of the study, and after the end of study treatment. A second form of birth control is required even if she has had a tubal ligation. 2. Male patients must agree not to donate sperm and must practice abstinence or agree to use a condom during sexual contact with a pregnant female or a female of childbearing potential while participating in the study and throughout 3 months after last dose of IP. A second form of birth control is required even if he has undergone a successful vasectomy. 13. The patient or the patient's parent(s) or legal guardian(s) understand(s) and sign(s) the informed consent. 14. Willingness and ability to comply with scheduled visits, laboratory tests, and other study procedures. 1. Prior treatment with an mTOR inhibitor, including nab-sirolimus. 2. Severe (Grade ≥3) ongoing infection requiring parenteral or oral anti-infective treatment, either ongoing or completed ≤7 days prior to enrollment. 3. Patients with primary brain tumors or PEComa. 4. Patients who have any severe and/or uncontrolled medical or psychiatric conditions or other conditions that could affect their participation including: 1. Patients with meningeal carcinomatosis, leptomeningeal carcinomatosis, spinal cord compression, untreated brain metastases or symptomatic or unstable brain metastases. Note: Patients with stable brain metastases (defined as asymptomatic or no requirement for high-dose [defined as dexamethasone 10 mg daily or higher] or increasing dose of systemic corticosteroids) and without imminent need of radiation therapy are eligible. If applicable, patients must have completed brain radiation therapy and recovered adequately from any associated toxicity and/or complications prior to eligibility assessment. For patients who have received prior radiation therapy, post-treatment MRI scan should show no increase in brain lesion size/volume. 2. Unstable angina pectoris, symptomatic congestive heart failure (New York Heart Association, NYHA class III or IV), myocardial infarction ≤6 months prior to first study treatment, serious uncontrolled cardiac arrhythmia or any other clinically significant cardiac disease. 3. Pre-existing severely impaired lung function. If a patient has a pre-existing pulmonary condition, eligible patients should have a spirometry and diffusing capacity for carbon monoxide (DLCO) that is >50% of the normal predicted value and/or O2 saturation that is >88% at rest on room air (Note: spirometry and pulmonary function tests [PFTs] not required to be performed unless clinically indicated). 4. Nonmalignant medical illnesses that are uncontrolled or whose control may be jeopardized by the treatment with the study therapy. 5. A history of malignancies other than the one under treatment unless the patient is disease-free for more than 5 years from diagnosis. Note, controlled non-melanoma skin cancers, carcinoma in situ of the cervix, resected incidental prostate cancer, certain low grade hematologic malignancies (eg CLL, follicular lymphoma, etc), or other adequately treated carcinoma-in-situ may be eligible, after discussion with the medical monitor. 6. Uncontrolled hypertension (systolic blood pressure ≥160 mm-Hg and/or diastolic blood pressure ≥100 mm Hg). 7. Patients with history of interstitial lung disease and/or pneumonitis, or pulmonary hypertension. 8. Individuals with known human immunodeficiency virus (HIV) infection are excluded from this study as combination antiretroviral therapy could potentially result in significant pharmacokinetic interactions. In addition, these individuals are at increased risk of serious infections due to the immunosuppressive effects of mTOR inhibition. 9. Active Hepatitis B or Hepatitis C, with detectable viral load. 5. Regarding concomitant medications with significant CYP3A4 and P-gp interactions, discontinuation of strong inhibitors (eg, ketoconazole, itraconazole, voriconazole, erythromycin, clarithromycin, telithromycin, and others), strong inducers (eg, rifampin, rifabutin), and known CYP3A4 substrates with a narrow therapeutic window (eg, fentanyl, alfentanil, astemizole, cisapride, dihydroergotamine, pimozide, quinidine, or terfenadine) is required at least 5 half lives prior to receiving the first dose of nab-sirolimus, whichever is longer.

• Age ≥ 18 years
• Total burn size (second and third degree) is ≥ 25% of the TBSA
• Burn center admission within 12 hours of injury.
• There is a plan for formal fluid resuscitation.
• Significant associated trauma
• High voltage (≥ 1000 volts) electrical burns
• Burn wound excision surgery within 48 hours from injury
• Fresh frozen plasma (FFP) given at any time ≤ 48 hours from injury
• Hypertonic saline (HTS) given at any time ≤ 48 hours from injury
• Hydroxyethyl starch (HES) given at any time ≤ 48 hours from injury
• High dose Vitamin C infusion given at any time ≤ 48 hours from injury
• Administration of human albumin prior to randomization
• Palliative comfort measures are instituted ≤ 48 hours from injury
• Pregnancy
• Pre-injury chronic renal insufficiency equal to or greater than stage 3
• Pre-injury chronic hepatic disease (Child-Pugh B or C)
• Pre-injury left ventricular (LV) dysfunction (echocardiography LV grade II-IV or ejection fraction ≤ 35%)

Key Inclusion Criteria Patient has ECOG performance status of 0-1 One or more documented primary oncogenic PIK3CA mutation(s) in blood and/or tumor per local assessment
•Other potentially oncogenic PIK3CA mutations may be considered but must be approved by the Sponsor prior to enrollment. Part 1
•Ability to provide archived tumor tissue or be willing to undergo pretreatment tumor biopsy to assess PIK3CA status retrospectively Part 2
•Submit tumor tissue prior to study drug initiation for determination of PIK3CA mutation retrospectively. Key Inclusion for RLY-2608 Single Agent Arm
• [For Part 1]: Evaluable disease per RECIST v1.1
• [For Part 2]: Measurable disease per RECIST v1.1
• Disease that is refractory to standard therapy, intolerant to standard therapy, or has declined standard therapy.
• Part 1- histologically or cytologically confirmed diagnosis of unresectable or metastatic solid tumor
• Part 2
•Unresectable or metastatic solid tumor with PIK3CA mutation(s) and one of the following tumor types: Group 1: clear cell ovarian cancer Group 2: head and neck squamous cell carcinoma Group 3: cervical cancer Group 4: other solid tumors, excluding colorectal, clear cell ovarian, head and neck squamous cell, and cervical cancers Group 5: unresectable or metastatic solid tumors with PIK3CA double mutations Key Inclusion for Combination Arms
• [For Part 1 and Part 2]: Evaluable disease per RECIST v1.1
• Male or female with histologically or cytologically confirmed diagnosis of HR+, HER2- unresectable or metastatic breast cancer that is not amenable to curative therapy. Females may be postmenopausal, premenopausal, or perimenopausal. Premenopausal or perimenopausal females must have a histologically or cytologically confirmed diagnosis of HR+ HER2- advanced or metastatic breast cancer that is not amenable to curative therapy and must have been previously treated with GnRH agonist at least 4 weeks prior to start of study drug
• [For Part 1 and Part 2]: Had previous treatment for advanced or metastatic breast cancer with: 1. ≤1 line of chemotherapy, 2. ≥1 cyclin-dependent kinases (CDK) 4/6 inhibitor, and 3. ≥1 antiestrogen therapy including, but not limited to, selective estrogen-receptor degraders (eg, fulvestrant), selective estrogen receptor modulators (eg, tamoxifen), and aromatase inhibitors (AI) (letrozole, anastrozole, exemestane), and 4. ≥1 PARP inhibitor, if appropriate, if documented germline BRCA1/2 mutation Note: Systemic local, loco-regional, or adjuvant treatment is not to be included in enumeration or previous treatment [For RLY-2608 + fulvestrant arm; Part 2, Group 2]: Received prior treatment with a PI3Kα inhibitor and discontinued the inhibitor due to intolerance and not disease progression, where intolerance is defined as treatment discontinuation due to treatment related AE (eg. hyperglycemia, rash, diarrhea, stomatitis) other than severe hypersensitivity reaction and/or life-threatening reactions, such as anaphylaxis and Stevens-Johnson syndrome. Key Exclusion Criteria Prior treatment with PI3Kα, AKT, or mTOR inhibitors (except for RLY-2608 + fulvestrant arm, Part 2, Group 2). Type 1 or Type 2 diabetes requiring antihyperglycemic medication, or fasting plasma glucose ≥140 mg/dL and glycosylated hemoglobin (HbA1c) ≥7.0%. History of hypersensitivity to PI3K inhibitors. For combination arms only: hypersensitivity to fulvestrant, palbociclib, and/or ribociclib, as appropriate for the combination. For triple combination arms only: history of pneumonitis or interstitial lung disease. For the single agent and combination arms other than with ribociclib: mean QT interval corrected using Fridericia's formula (QTcF) >480 msec. For the combination arms with ribociclib: mean QTcF ≥450 msec. Patient has a history of prolonged QT syndrome or torsades de pointes. Patient has a familial history of prolonged QT syndrome. Clinically significant, uncontrolled cardiovascular disease CNS metastases or primary CNS tumor that is associated with progressive neurologic symptoms

• STEP 0 INCLUSION CRITERIA
• Histologically proven mucosal melanoma by local pathology
• Central PD-L1 tumor tissue submission
• STEP 1 INCLUSION CRITERIA
• Receipt of the central PD-L1 testing results available
• Disease status-Resected R0 or R1 disease patients. Patients eligible for randomization have resected R0 or R1 disease (with negative margins or positive microscopic margins) that must meet one of the following 4 criteria as defined below:
• Regional lymph node (LN) involvement; OR
• In-transit metastases/satellite primary disease; OR
• Single localized, primary disease meeting one of the following site-specific requirements:
• Head/neck
•Sinonasal (including nasopharynx): any primary lesion; Nasal or oral cavity; pT4a or above, given slightly improved OS
• NOTE: Conjunctival: does not meet the qualification for eligibility
• Anorectal
•any primary lesion
• Vaginal/cervical
•any primary, as they have 5 year OS rates of 5-25
• Urinary tract
•any primary urethral or bladder tumor
• Penile
• Vulvar- AJCC cutaneous stage IIB or higher
• Esophageal/gallbladder
•any primary
• Locoregionally recurrent following prior resection, meeting at least one of the above criteria
• In addition, patients must have undergone cross-sectional imaging of the brain, chest, abdomen and pelvis with no evidence of distant metastatic disease
• Disease status-Non-resected R2 or metastatic disease patients
• Non-resected R2 or metastatic disease that is assessable and measurable radiographically or by physical examination
• Prior Treatment:
• No prior systemic checkpoint inhibitor therapy of mucosal melanoma, including in the adjuvant setting, is allowed. Prior adjuvant chemotherapy or interferon is allowed.
• No other active, concurrent malignancy that requires ongoing systemic treatment or interferes with radiographic assessment of melanoma response as determined by the investigator. Exceptions may allow for adjuvant no evidence of disease (NED) cancers undergoing hormone based therapy may be eligible pending the other eligibility criteria are met and the principal investigator (PI) affirms the hormonal agent would not change the melanoma response.
• Any radiation must have completed 28 days prior to randomization and the patient must have adequately recovered from its effects.
• For resectable patients only: Surgery must have completed 28 days prior to randomization.
• For resectable patients only: Surgery must have completed no more than 84 days prior to randomization.
• Not pregnant and not nursing, because this study has an agent that has 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
• Age >= 18 years
• Eastern Cooperative Oncology Group (ECOG) performance status 0-2
• Absolute neutrophil count (ANC) >= 1,500/mm^3
• Platelet count >= 100,000/mm^3
• Creatinine =< 1.5 x upper limit of normal (ULN) OR creatinine clearance (CrCl) >= 50mL/min/1.73 m^2 for patients with creatinine levels above institutional normal
• Albumin >= 2.8 g/dL
• Total bilirubin =< 1.5 x upper limit of normal (ULN)
• Aspartate aminotransferase (AST)/alanine aminotransferase (ALT) =< 2.5 x upper limit of normal (ULN)
• No cardiovascular disease, including:
• No history of acute coronary syndromes (including myocardial infarction and unstable angina), coronary artery bypass graft (CABG) coronary angioplasty, or stenting within 6 months prior to study entry.
• No history of current class II or higher congestive heart failure as defined by the New York Heart Association (NYHA) functional classification system.
• No refractory hypertension defined as a blood pressure of systolic > 140 mmHg and/or diastolic > 90 mmHg despite adequate attempts at anti-hypertensive therapy.
• No history of myocarditis.
• No history of syncope of cardiovascular etiology, uncontrolled cardiac arrhythmia, history of Mobitz II second degree or third degree heart block without a permanent pacemaker in Association (NYHA) class II to IV heart failure, or stroke/transient ischemic attack (TIA) within the past 3 months.
• No corrected QT interval by Fridericia's formula (QTcF) > 500 msec. Note: if initial QTcF is found to be > 500 ms, two additional EKGs separated by at least 3 minutes should be performed. If the average of these three consecutive results for QTcF is =< 500 ms, the subject meets eligibility in this regard.
• No underlying hematologic issues, including:
• Congenital bleeding diathesis
• Gastrointestinal (GI) bleeding requiring intervention within the past 6 months, unless directly related to mucosal melanoma
• Active hemoptysis within 42 days prior to study enrollment.
• Active tumor lesions with cavitations or tumor lesions which invade, encase, or abut major blood vessels. The anatomic location and characteristics of primary tumors or metastases as well as the medical history should be carefully reviewed in the selection of subjects for treatment with cabozantinib/placebo.
• Pulmonary emboli or deep vein thromboses (DVT) that require an active anticoagulation regimen.
• No known or suspected history of cytopenia (low white blood cell [WBC], hemoglobin or platelet count) of greater than 3 months duration with an unknown cause, myelodysplastic syndrome, or hematologic malignancies.
• No clinical, laboratory or radiographic evidence of an active bacterial, fungal, or viral infection requiring treatment at the time of pre-registration (e.g., active symptoms of COVID-19 infection or a post-infectious symptomatic autoimmune syndrome, serious bacterial infections requiring antibiotics).
• No known or suspected gastrointestinal disorder affecting absorption of oral medications.
• Comorbid conditions:
• No active autoimmune disease or any condition requiring systemic treatment with either corticosteroids (> 10 mg daily of prednisone equivalents) or other immunosuppressive medications within 14 days of study drug administration. Inhaled or topical steroids and adrenal replacement doses > 10 mg daily prednisone equivalents are permitted in the absence of active autoimmune disease.
• No history of autoimmune motor neuropathy (e.g., Guillain-Barre syndrome, myasthenia gravis) or non-infectious pneumonitis.
• No history of severe allergic reactions to an unknown allergen or any components of the study drugs or its excipients.
• No history of gastrointestinal perforation or abdominal fistula.
• No clinically suspected central nervous system (CNS) (leptomeningeal or parenchymal) metastases. Patients with a history of CNS metastasis(s) will be allowed as long as
• The metastatic site(s) were adequately treated as demonstrated by clinical and radiographic improvement, AND
• The patient has recovered from the intervention (no residual adverse events > Common Terminology Criteria for Adverse Events [CTCAE] grade 1), AND
• The patient has remained without occurrence of new or worsening CNS symptoms for a period of 28 days prior to enrollment.
• No history of seizure or any condition that may increase the patient's seizure risk (e.g., prior cortical stroke, significant brain trauma) within 2 years.
• No clinically active or chronic liver disease resulting in moderate/severe hepatic impairment (Child-Pugh class B or C), ascites, coagulopathy or bleeding due to liver dysfunction.
• No untreated spinal cord compression or evidence of spinal metastases with a risk of impending fracture or spinal cord compression. Spinal metastases must have completed planned radiation or surgical therapy prior to registration.
• Concomitant medications:
• Chronic concomitant treatment with strong inhibitors of CYP3A4 is not allowed on this study. Patients on strong CYP3A4 inhibitors must discontinue the drug for 5 days prior to the start of study treatment.
• Chronic concomitant treatment with strong CYP3A4 inducers is not allowed. Patients must discontinue the drug 5 days prior to the start of study treatment.

Patients must meet all the following criteria to participate in the study: 1. Males and females ≥ 18 years of age 2. Dose-escalation phase: Histologically or cytologically confirmed metastatic and/or unresectable solid tumor, relapsed or refractory to standard therapy, or for which no standard therapy is available that is expected to improve survival by at least 3 months 3. At least 3 weeks beyond the last chemotherapy (or 3 half-lives, whichever is shorter), radiotherapy, major surgery, or experimental treatment, and recovered from all acute toxicities (≤ Grade 1), prior to the first dose of FF-10850 4. Adequate performance status: Eastern Cooperative Oncology Group (ECOG) ≤ 1 5. Life expectancy of ≥ 3 months 6. Adequate hematologic parameters without ongoing transfusion support:
• Hemoglobin (Hb) ≥ 9 g/dL
• Absolute neutrophil count (ANC) ≥ 1.0 × 109 cells/L
• Platelets ≥ 100 × 109 cells/L 7. Creatinine ≤ 1.5 × ULN, or calculated creatinine clearance ≥ 50 mL/minute by either the Cockcroft-Gault formula or as measured by a 24-hour urine collection 8. Total bilirubin ≤ 2 × ULN unless due to Gilbert's disease; patients with Gilbert's disease who have a total bilirubin > 6 mg/dL are to be excluded 9. ALT and AST ≤ 2.5 times ULN, or < 5 × ULN for patients with liver metastases 10. QT interval corrected for rate (QT interval corrected for rate using Fridericia's Correction Formula, QTcF) ≤ 470 msec for women and ≤ 450 msec for men on the ECG obtained at Screening and confirmed pre-treatment on Cycle 1 Day 1. 11. Patient must be willing to undergo a tumor biopsy, if the patient has a biopsy-accessible tumor 1. Patients who have not received standard/approved therapies expected to improve survival by at least 3 months 2. History of severe hypersensitivity reactions to topotecan 3. Serious cardiac condition within the last 6 months, such as uncontrolled arrhythmia, myocardial infarction, unstable angina or heart disease defined by the New York Heart Association (NYHA) Class III or Class IV or hereditary long QT syndrome 4. Concomitant medication(s) that may cause QTc prolongation or induce Torsades de Pointes, except for antimicrobials that are used as standard of care to prevent or treat infections and other such drugs that are considered by the Investigator to be essential for patient care 5. Active central nervous system (CNS) malignant disease in patients with a history of CNS malignancy. Patients with previously treated stable brain metastases are allowed if they have been stable off steroid therapy for at least 4 weeks. 6. Known positive for human immunodeficiency virus (HIV), hepatitis B virus surface antigen (HBsAg) or hepatitis C virus (HCV) 7. Active infection requiring intravenous (IV) antibiotic usage within the last week prior to study treatment 8. Any other medical intervention or other condition which, in the opinion of the Principal Investigator, could compromise adherence to study requirements or confound the interpretation of study results 9. Pregnant or breast-feeding

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• Patients with partial thickness indeterminate depth burn wounds that occurred within 24 hours of admission and are expected to require admission for at least 3 days (Aim 1) or with deep partial thickness or full thickness burn wounds that are 1-30% TBSA and will likely require surgery (Aim 2)
• Subject understands the study procedures and can provide informed consent to participate in the study and authorization for release of relevant protected health information to the study investigator
• Contraindication to Indocyanine Green (ICG) injection, i.e. previous reaction to ICG (adverse event rate: 1 in 42,000) or Iodine allergy.
• Inability to obtain consent
• Subject with pre-existing inflammatory diseases or chronically treated before admission to the hospital with steroids or nonsteroidal anti-inflammatory drugs or biologics
• Subject with immune deficiency (HIV infection or use of corticosteroids, cytostatic drugs, tetracycline and certain bisphosphonates)
• Subject with known or suspected infections or on antibiotic therapy
• Subject known or suspected to be pregnant

• Participants must have histologically and pathologically confirmed melanoma that has metastasized to the brain
• Any primary (cutaneous, acral/mucosal, etc) or unknown origin are permitted, except that participants with uveal primary are not eligible
• Participants must have BRAF-V600 mutant melanoma documented by a Clinical Laboratory Improvement Act (CLIA)-certified laboratory
• All participants must have an magnetic resonance imaging (MRI) of the brain within 28 days prior to registration and must have central nervous system metastases with at least one measurable brain metastasis >= 0.5 cm in size (per modified RECIST 1.1) that has not been irradiated, or progressed (in the opinion of the treating physician) after prior radiation therapy. Participating sites MUST use MRI slice thickness of =< 1.5 mm and are recommended to adhere to the 'minimum' Brain Tumor Imaging Protocol for Clinical Trials in Brain Metastases (BTIP-BM) compliant MRI acquisition protocol. Computed tomography (CT) of the head cannot substitute for brain MRI. (NOTE: All central nervous system [CNS] disease must be documented on BOTH the Brain Metastases Baseline Tumor Assessment Form, using modified RECIST, and the Baseline Tumor Assessment Form [RECIST 1.1] using RECIST 1.1.)
• Participants may have measurable or non-measurable extracranial disease. All measurable disease must be assessed within 28 days prior to randomization; all non-measurable disease must be assessed within 42 days prior to randomization. Please note, while any extracranial disease will also be assessed and followed, participants are NOT required to have extracranial disease for randomization. NOTE: All disease must be assessed and documented on the Baseline Tumor Assessment Form (RECIST 1.1). CNS disease must be documented on BOTH the Brain Metastases Baseline Tumor Assessment Form, using modified RECIST, and the Baseline Tumor Assessment Form (RECIST 1.1) using RECIST 1.1
• Participants may have leptomeningeal disease
• Participants may be receiving corticosteroids for brain metastases at a dose of up to 8 mg of dexamethasone per day. The dose must not have exceeded 8 mg per day for at least 7 days prior to randomization
• Participants must have Zubrod performance status =< 2
• Participants must have complete history and physical examination within 28 days prior to randomization
• Participants must be able to swallow and retain pills
• Hemoglobin >= 8.0 g/dL (within 28 days prior to randomization)
• Absolute neutrophil count >= 1,500/mcL (within 28 days prior to randomization)
• Platelets >= 75,000/mcL (within 28 days prior to randomization)
• Total bilirubin =< 1.5 institutional upper limit of normal (ULN) (within 28 days prior to randomization)
• Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) =< 2.5 x institutional ULN (in participants with liver metastases =< 5 x ULN) (within 28 days prior to randomization)
• Creatinine =< 2.0 institutional ULN (within 28 days prior to randomization)
• Participants with known history or current symptoms of cardiac disease, or history of treatment with cardiotoxic agents, must have a clinical risk assessment of cardiac function using the New York Heart Association Functional Classification. To be eligible for this trial, participants must be class 2B or better
• Participants with a prior or concurrent malignancy whose natural history or treatment (in the opinion of the treating physician) does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial
• Participants with known human immunodeficiency virus (HIV)-infection are eligible providing they are on effective anti-retroviral therapy and have undetectable viral load at their most recent viral load test and within 90 days prior to randomization
• Participants with a known history of hepatitis C virus (HCV) infection must have been treated and cured. Participants with HCV infection who are currently on treatment must have an undetectable HCV viral load prior to randomization
• Participants must agree to participate in image banking. Images must be submitted via the Triad System
• Participants must be offered the opportunity to participate in specimen and blood collections
• Participants must be informed of the investigational nature of this study and must sign and give informed consent in accordance with institutional and federal guidelines
• As a part of the 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
• Participants must not have received prior systemic therapy for metastatic disease. Prior systemic therapy received only in the neoadjuvant and/or adjuvant setting (e.g., BRAF/MEK inhibitor therapy, anti-PD-1 therapy or anti-CTLA4 therapy, alfa-interferon, etc.) is permitted. If patients received prior neoadjuvant/adjuvant therapy, they must have had eventual disease relapse prior to randomization
• Participants must not have had prior radiation therapy within 7 days prior to randomization
• Participants must not be planning to require any additional form of systemic anti-tumor therapy for melanoma while on protocol treatment
• Participants must not be planning to use hormonal contraceptives
• Participants must not have a serious active infection requiring systemic therapy at time of randomization in the opinion of the treating physician
• Participants must not have active autoimmune disease that has required treatment in the past 6 months with use of biologic disease modifying agents (.e.g. infliximab, adalimumab). Patients on non-biologic disease modifying agents (e.g. methotrexate) or patients on corticosteroids =< 10 mg prednisone daily or equivalent (to treat auto-immune disease), or on replacement therapy (e.g., thyroxine, insulin) are eligible if deemed in the best interest of the patient by treating physician
• Participants must not have had grade 3 or 4 immune-related adverse events on ipilimumab or nivolumab that required more than 12 weeks of immune suppression with corticosteroids
• Participants must not have had adverse events related to encorafenib and/or binimetinib specifically, that required discontinuation of one or both drugs. (Please note this does not apply to other BRAF/MEK inhibitor drugs.)
• Participants must not be pregnant or nursing. Women/men of reproductive potential must have agreed to use an effective method of contraception. (NOTE: Patients must agree to not use hormonal contraceptives, as encorafenib can result in decreased concentration and loss of efficacy.) 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 participant 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

• Signed informed consent from patient, legal guardian(s) and/or adolescents obtained in accordance with local regulations. Pediatric patients must provide assent as required by local regulations.
• Age ≥18 years at the time of informed consent, for sarcoma age ≥16 years of age at time of informed consent/assent
• Measurable disease according to RECIST 1.1
• ECOG performance status 0-1
• Expected survival >3 months
• Platelet counts ≥100,000 cells/mm3
• Hemoglobin ≥9 g/dL
• Adequate renal function with serum creatinine ≤1.5 mg/dL or creatinine clearance ≥60mL/min as calculated using the Cockcroft-Gault equation
• Patient willing and able to comply with the trial protocol
• Systemic chemotherapy, radiotherapy, immunotherapy, or major surgery administered within 3 weeks prior to the first planned dosing of the IMP per protocol
• Patients receiving any other investigational therapy for their cancer within 3 weeks prior to the first planned dosing of the IMP per protocol
• Ongoing radiation toxicities from prior RT therapy
• Patients with a diagnosis of autoimmune diseases or immunodeficiencies or documented infection with human immunodeficiency virus (HIV) or hepatitis B or C virus (active)
• Prior treatment with anti-GD2 antibody

• All patients must be enrolled on APEC14B1 (NCT02402244) and consented to the Molecular Characterization Initiative (Part A) prior to enrollment and treatment on ARST2032 (this trial).
• Patients must be =< 21 years at the time of enrollment.
• Patients must have newly diagnosed embryonal rhabdomyosarcoma (ERMS), spindle cell/sclerosing RMS, or FOXO1 fusion negative alveolar rhabdomyosarcoma (ARMS) (institutional FOXO1 fusion results are acceptable). RMS types included under ERMS include those classified in the 1995 International Classification of Rhabdomyosarcoma (ICR) as ERMS (classic, spindle cell, and botryoid variants), which are reclassified in the 2020 World Health Organization (WHO) classification as ERMS (classic, dense and botryoid variants) and spindle cell/sclerosing RMS (encompassing the historical spindle cell ERMS variant and the newly recognized sclerosing RMS variant). Enrollment in APEC14B1 is required for all patients.
• All patients will be evaluated for stage and clinical group. Note that clinical group designation assigned at the time of enrollment on study remains unchanged regardless of any second-look operation that may be performed.
• Patients will be eligible for the very low-risk stratum (Regimen VA) if they have Stage 1, CG I disease.
• Patients will be eligible for the low-risk stratum (Regimen VAC/VA) if they have Stage 1, CG II disease, Stage 2, CG I or II disease, or Stage 1, CG III (orbit only) disease.
• Paratesticular Tumors: Staging ipsilateral retroperitoneal lymph node sampling (SIRLNS) is required for all patients >= 10 years of age with paratesticular tumors who do not have gross nodal involvement on imaging.
• Extremity Tumors: Regional lymph node sampling is required for histologic evaluation in patients with extremity tumors.
• Clinically or radiographically enlarged nodes must be sampled for histologic evaluation.
• Patients must have a Lansky (for patients =< 16 years of age) or Karnofsky (for patients > 16 years of age) performance status score of >= 50. 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 performance score.
• Peripheral absolute neutrophil count (ANC) >= 750/uL (within 7 days prior to enrollment).
• Platelet count >= 75,000/uL (transfusion independent) (within 7 days prior to enrollment).
• Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 mL/min/1.73 m^2 or a serum creatinine (within 7 days prior to enrollment) based on age/gender as follows:
• Age: 1 month to < 6 months; Maximum serum creatinine (mg/dL): 0.4 (male) : 0.4 (female)
• Age: 6 months to < 1 year; Maximum serum creatinine (mg/dL): 0.5 (male) : 0.5 (female)
• Age: 1 to < 2 years; Maximum serum creatinine (mg/dL): 0.6 (male) : 0.6 (female)
• Age: 2 to < 6 years; Maximum serum creatinine (mg/dL): 0.8 (male) : 0.8 (female)
• Age: 6 to < 10 years; Maximum serum creatinine (mg/dL): 1 (male) : 1 (female)
• Age: 10 to < 13 years; Maximum serum creatinine (mg/dL): 1.2 (male) : 1.2 (female)
• Age: 13 to < 16 years; Maximum serum creatinine (mg/dL): 1.5 (male) : 1.4 (female)
• Age >= 16 years; Maximum serum creatinine (mg/dL): 1.7 (male) : 1.4 (female)
• Total bilirubin =< 1.5 x upper limit of normal (ULN) for age (within 7 days prior to enrollment), and
• If there is evidence of biliary obstruction by the tumor, then the total bilirubin must be < 3 x ULN for age.
• Note: For the purpose of this study, the ULN for SGPT (ALT) has been set to the value of 45 U/L.
• Serum glutamate pyruvate transaminase (SGPT) (alanine aminotransferase [ALT]) =< 135 U/L (within 7 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.
• Patients who have received prior chemotherapy and/or radiation therapy for cancer prior to enrollment. Surgical resection alone of previous cancer(s) is permitted.
• Patients who have received chemotherapy or radiation for non-malignant conditions (e.g., autoimmune diseases) are eligible. Patients must discontinue chemotherapy for non-malignant conditions prior to starting protocol therapy.
• Vincristine is sensitive substrate of the CYP450 3A4 isozyme. Patients must not have received drugs that are moderate to strong CYP3A4 inhibitors and inducers within 7 days prior to study enrollment.
• Patients unable to undergo radiation therapy, if necessary, as specified in the protocol.
• Evidence of uncontrolled infection.
• 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.