Canadian clinical trial registry

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Study Description

This is a multicenter, open-label, single-arm study to evaluate the safety and dosimetry of Lutathera in adolescent patients 12 to <18 years old with somatostatin receptor positive GEP-NETs and PPGLs. The study will enroll at least 8 patients in the GEP-NET cohort and as many adolescents with PPGL as possible in the exploratory PPGL cohort.

The study schedule for each patient consists of the screening period (up to 2 weeks) followed by the treatment period (4 treatment administrations at 8-week interval), and the follow-up period (5 years).

The treatment period will consist of 4 Lutathera treatments administered at 8-week intervals. Lutathera administration will occur on Week 1 Day 1 of each cycle. Each patient will receive a total of 4 doses of Lutathera (7.4 GBq/200 mCi x 4 administrations every 8 weeks; cumulative dose: 29.6 GBq/800 mCi). An infusion of 2.5% Lysine - Arginine amino acid (AA) solution will be co-administered with each Lutathera dose for renal protection according to the approved Lutathera local prescribing information. An antiemetic will be administered prior to infusion of the AA solution for prevention of infusion-related nausea and vomiting.

The dosimetry and PK assessments will be performed during the first week after the 1st Lutathera dose, i.e. one time during the study treatment period for each patient. The dosimetry analysis will allow for estimation from the 1st Lutathera administration of the cumulative absorbed radiation dose from 4 Lutathera doses and also for taking a decision on the next dose levels. In the exceptional circumstances when dosimetry cannot be performed in a particular patient after the first Lutathera dose, it should be completed as soon as feasible upon a later dose. In order to minimize risk for each study subject, an accelerated analysis of dosimetry and safety data will be performed for each patient in the study, to enable the Investigator to take a decision for the subsequent Lutathera doses. The results of dosimetry assessments (imaging and blood dosimetry) will be provided to the investigators for their evaluation prior to administration of subsequent therapeutic cycles in each patient.

A total follow-up period of 5 years (60 months) after the last Lutathera dose will take place for each patient who received at least one dose of Lutathera. This follow-up period will be comprised of a short-term follow-up of 6 months to evaluate cumulative Lutathera toxicities, followed by a long-term follow up of another 54 months.

Inclusion Criteria

• GEP-NET cohort: presence of metastasized or locally advanced, inoperable (curative intent), histologically proven, G1 or G2 (Ki-67 index =< 20%), well differentiated GEP-NET.

  or PPGL cohort: presence of metastasized or locally advanced, inoperable (curative intent), histologically proven PPGL.

• Patients from 12 to < 18 years of age at the time of enrollment.
• Expression of somatostatin receptors confirmed by a somatostatin receptor imaging (SRI) modality within 3 months prior to enrollment, with tumor uptake Laboratory parameters:observed in the target lesions more or equal to the normal liver uptake.
• Performance status as determined by Karnofsky score >= 50 or Lansky Play-Performance Scale score >= 50.
• Parent's ability to understand and the willingness to sign a written informed consent document for adolescents as determined by local regulations. Adolescents will sign assent along with parental/legal guardian consent or will co-sign consent with parent/legal guardian in accordance with local regulation, prior to participation in the study.

Other inclusion and exclusion criteria may apply and will be discussed with you by the study team. 

Exclusion Criteria

• Laboratory parameters:
  • Estimated creatinine clearance calculated by the Cockroft-Gault method < 70 mL/min
  • Hb concentration <5.0 mmol/L (<8.0 g/dL); WBC <2x109/L; platelets <75x109/L.
  • Total bilirubin >3 x ULN for age.
  • Serum albumin <3.0 g/dL unless prothrombin time is within the normal range.
• Established or suspected pregnancy.
• Breastfeeding female patients unless they accept to discontinue breastfeeding from the 1st dose until 3 months after the last administration of study drug.
• Female patients of child-bearing potential, unless they are using highly effective methods of contraception during treatment and for 6 months after the last dose of Lutathera.
• Sexually active male patients, unless they agree to remain abstinent or be willing to use effective methods of contraception.
• Patients for whom in the opinion of the investigator other therapeutic options are considered more appropriate than the therapy offered in the study, based on patient and disease characteristics.
• Current spontaneous urinary incontinence.
• Other known co-existing malignancies except non-melanoma skin cancer and carcinoma in situ of the uterine cervix, unless definitively treated and proven no evidence of recurrence for 5 years.
• Hypersensitivity to the study drug active substance or to any of the excipients.
• Patients with any other significant medical, psychiatric, or surgical condition, currently uncontrolled by treatment, which may interfere with the completion of the study.
• Patient with known incompatibility to CT Scans with I.V. contrast due to allergic reaction or renal insufficiency. If such a patient can be imaged with MRI, then the patient would not be excluded.
• Patients who received any investigational agent within the last 30 days.

Other inclusion and exclusion criteria may apply and will be discussed with you by the study team. 

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Study Description

TAPISTRY is a Phase II, global, multicenter, open-label, multi-cohort study designed to evaluate the safety and efficacy of targeted therapies or immunotherapy as single agents or in rational, specified combinations in participants with unresectable, locally advanced or metastatic solid tumors determined to harbor specific oncogenic genomic alterations or who are tumor mutational burden (TMB)-high as identified by a validated next-generation sequencing (NGS) assay.

Participants with solid tumors will be treated with a drug or drug regimen tailored to their NGS assay results at screening.

Participants will be assigned to the appropriate cohort based on their genetic alteration(s). Treatment will be assigned on the basis of relevant oncogenotype, will have cohort-specific inclusion/exclusion criteria, and, unless otherwise specified, will continue until disease progression, loss of clinical benefit, unacceptable toxicity, participant or physician decision to discontinue, or death, whichever occurs first.

Cohort A: ROS1 fusion-positive tumors - Closed to Accrual

Participants with metastatic or advanced solid tumors, with the exception of NSCLC will receive entrectinib once daily in repeated 28-day cycles at a dose of 600 milligram per day (mg/day) for pediatric participants with a body surface area (BSA) >/= 1.51 m²

Cohort B: Cohort B: NTRK1/2/3 fusion-positive tumors - Open

Participants with metastatic or advanced solid tumors will receive entrectinib once daily in repeated 28-day cycles at a dose of 600 mg/day for adults and pediatric participants with a BSA >/= 1.51 m²

Cohort C: ALK fusion-positive tumors (excluding NSCLC) - Closed to Accrual

Participants with metastatic or advanced solid tumors, with the exception of NSCLC, will receive alectinib at a dosage of 600 mg orally twice a day (BID), taken with food, in repeated 28-day cycles.

Cohort D: TMB-high tumors - Closed to Accrual

Participants with metastatic or advanced solid tumors will receive atezolizumab intravenously (IV) at a dose of 15 mg/kg (maximum 1200 mg) for participants aged < 18 years on Day 1 of each 21-day cycle.

Cohort E: AKT1/2/3 mutant-positive tumors - Closed to Accrual

Participants with metastatic or advanced solid tumors will receive ipatasertib orally once daily (QD). For participants 12-17 years of age, ipatasertib will be administered at the starting dose of 200 mg for participants <35 kg, 300 mg for participants >/= 35 and <45 kg, 400 mg for those >/=45 kg orally QD in repeated 28-day cycles until the participant experiences disease progression, intolerable toxicity, or withdraws consent.

Cohort F: HER2 mutant-positive tumors - Closed to Accrual

Participants with metastatic or advanced solid tumors will receive trastuzumab emtansine IV at a dose of 3.6 mg/kg every 21 days. This dosage and administration method also applies for pediatric participants 12-17 years of age.

Cohort H: PIK3CA multiple mutant-positive tumors - Closed to Accrual

Participants with metastatic or advanced solid tumors will receive GDC-0077 daily at a starting dose of 9 mg by mouth (PO) in repeated 28-day cycles. This dosage and administration method also applies for pediatric participants 12-17 years of age.

Cohort I: BRAF class II mutant or fusion-positive tumors - Closed to Accrual

Participants with BRAF class II mutant/fusion-positive tumors (adults and adolescents ≥ 40 kg) will receive 400 mg belvarafenib by mouth (PO) BID (twice a day) with adequate water (more than 200 mL). One cycle consists of 28 days. Administration of belvarafenib should occur BID on every day of each 28-day cycle.

Cohort J: BRAF class III mutant-positive tumors - Closed to Accrual

Participants with BRAF class III mutant-positive tumors (adults and adolescents ≥ 40 kg) will receive 400 mg belvarafenib by mouth (PO) BID (twice a day) with adequate water (more than 200 mL). One cycle consists of 28 days. Administration of belvarafenib should occur BID on every day of each 28-day cycle.

Cohort K: RET fusion-positive tumors - Closed to Accrual

Participants with RET fusion-positive tumors will self-administer Pralsetinib orally at home (except on clinic days) on a continuous daily dosing regimen at a dose of 400 mg/day (four 100-mg capsules per day) for adult and pediatric patients ≥ 12 and < 18 years of age. A treatment cycle consists of 4 weeks (28 days).

Inclusion Criteria

• In addition to the general inclusion criteria below, participants must meet all of the cohort-specific inclusion criteria for the respective cohort
• Briefly - for arm A, a ROS1 fusion is required; for arm B, a NTRK1/2/3 fusion is required; for arm D, a TMB >16mut/Mb is required; for arm E: specific mutations in the AKT gene are required; for arm F: specific mutations in the HER2 gene are required; for arm H, specific mutations in the PIK3CA gene are required; for arm I, a BRAF Class II mutation or fusion is required; for arm J, a BRAF Class III mutation is required; for Cohort K; a RET fusion is required. 
• Histologically or cytologically confirmed diagnosis of advanced and unresectable or metastatic solid malignancy
• Measurable disease as defined by Response Evaluation Criteria in Solid Tumors, Version 1.1 (RECIST v1.1), Response Assessment in Neuro-Oncology (RANO) criteria, or International Neuroblastoma Response Criteria (INRC)
• Performance status as follows: Participants aged >= 18 years: Eastern Cooperative Oncology Group (ECOG) Performance Status 0-2; Participantss aged 16 to < 18 years: Karnofsky score >= 50%; Participants aged < 16 years: Lansky score >= 50%
• For participants aged >= 18 and <18 years: adequate hematologic and end-organ function
• Disease progression on prior treatment, or previously untreated disease with no available acceptable treatment
• Adequate recovery from most recent systemic or local treatment for cancer
• Life expectancy >= 8 weeks
• Ability to comply with the study protocol, in the investigator's judgment
• For female participants of childbearing potential: Negative serum pregnancy test <= 14 days prior to initiating study treatment; agreement to remain abstinent or use single or combined contraception methods that result in a failure rate of < 1% per year for the period defined in the cohort-specific inclusion criteria; and agreement to refrain from donating eggs during the same period
• For male participants: Willingness to remain abstinent or use acceptable methods of contraception as defined in the cohort-specific inclusion criteria

Exclusion Criteria

• Current participation or enrollment in another therapeutic clinical trial
• Any anticancer treatment within 2 weeks or 5 half-lives prior to start of study treatment
• Whole brain radiotherapy within 14 days prior to start of study treatment
• Stereotactic radiosurgery within 7 days prior to start of study treatment
• Pregnant or breastfeeding, or intending to become pregnant during the study
• History of or concurrent serious medical condition or abnormality in clinical laboratory tests that, in the investigator's judgment, precludes the participant's safe participation in and completion of the study or confounds the ability to interpret data from the study
• Incomplete recovery from any surgery prior to the start of study treatment that would interfere with the determination of safety or efficacy of study treatment
• Significant cardiovascular disease, such as New York Heart Association cardiac disease (Class II or higher), myocardial infarction, or cerebrovascular accident within 3 months prior to enrollment, unstable arrhythmias, or unstable angina
• History of another active cancer within 5 years prior to screening that may interfere with the determination of safety or efficacy of study treatment with respect to the qualifying solid tumor malignancy
• In addition to the general exclusion criteria above, in order to be enrolled in a treatment cohort of the study, participants must not meet any of the cohort-specific exclusion criteria

Multiple other inclusion and exclusion criteria could apply and will be reviewed by your treating team

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Study Description

This is a 2-arm, randomized, open-label, multicenter, global, Phase 3 trial to evaluate the efficacy, safety, and tolerability of tovorafenib monotherapy versus standard of care (SoC) chemotherapy in patients with pediatric low-grade glioma (LGG) harboring an activating rapidly accelerated fibrosarcoma (RAF) alteration requiring front-line systemic therapy.

Approximately 400 treatment-naïve low-grade glioma patients will be randomized 1:1 to either tovorafenib (Arm 1) or an Investigator's choice of SoC chemotherapy (Arm 2).

Arm 1 (tovorafenib): treatment cycles will repeat every 28 days in the absence of disease progression. Patients will continue tovorafenib until any of the following occurs: disease progression based on Response Assessment in Neuro-Oncology (RANO-LGG) criteria, unacceptable toxicity, withdrawal of consent to treatment, or end of study.

Arm 2 (Investigator's Choice of SoC Chemotherapy): patients will receive one of 3 SoC chemotherapy options selected by the treating Investigator: Children's Oncology Group - Vincristine/Carboplatin (COG-V/C) regimen, International Society for Paediatric Oncology - Low-Grade Glioma Vincristine/Carboplatin (SIOPe-LGG-V/C) regimen, or vinblastine (VBL) regimen. The choice of SoC chemotherapy regimen will be selected prior to patient randomization. Treatment will continue until completion of therapy or until any of the following occurs: disease progression based on RANO-LGG criteria, unacceptable toxicity, withdrawal of consent to treatment, or end of study.

Patients who discontinue treatment due to disease progression will have (1) radiographic evidence of progressive disease based on RANO-LGG, as determined by the Investigator and confirmed by the IRC, or (2) clinical progression based on RANO-LGG criteria determined by the Investigator. Investigators are encouraged to discuss cases of clinical progression and early radiographic progression without clinical symptom with the Sponsor Medical Monitor prior to treatment discontinuation or initiation of a different form of treatment for the malignancy. Patients may continue therapy beyond progressive disease

Inclusion Criteria

• Less than 25 years of age with LGG with known activating RAF alteration
• Histopathologic diagnosis of glioma or glioneuronal tumor
• At least one measurable lesion as defined by RANO criteria
• Meet indication for first-line systemic therapy

Exclusion Criteria

• Patient has any of the following tumor-histological findings:

  1. Schwannoma
  2. Subependymal giant cell astrocytoma (Tuberous Sclerosis)
  3. Diffuse intrinsic pontine glioma, even if histologically diagnosed as World Health Organization (WHO) Grade I-II
• Patient's tumor has additional pathogenic molecular alterations
• Known or suspected diagnosis of neurofibromatosis Type 1 or 2 (NF-1/NF-2)
• Prior or ongoing nonsurgical anticancer therapy for this indication (eg, chemotherapy, oral/intravenous targeted therapy) including radiation

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Study Description

Relapse of AML is driven by chemotherapy resistant stem cells. One mechanism of chemotherapeutic resistance in AML is the overexpression of the protein B-cell lymphoma 2 (BCL-2), an anti-apoptotic protein which sequesters intracellular activators of apoptosis. Venetoclax is a selective, potent, orally bioavailable, small molecule inhibitor of B-cell lymphoma (BCL)-2 that restores programmed cell death in cancer cells.

This is a trial for children, adolescents and young adults with 2nd relapsed AML or 1st relapsed AML unable to receive additional anthracycline.

This is randomized trial of venetoclax in combination with intensive chemotherapy (fludarabine/cytarabine/gemtuzumab ozogamicin) for the first two cycles that would inform and evaluate if this agent is an effective option for this population to improve its poor prognosis. Participants can receive up to two cycles of induction chemotherapy before hematopoietic stem cell transplantation (HSCT). Participants benefiting from treatment and who are not able to proceed to HSCT have the possibility to continue to receive azacitidine in monotherapy (Arm A, control arm) or in combination with venetoclax (Arm B, experimental arm).

Inclusion Criteria

• Participants must have enrolled on APAL2020SC, NCT Number: NCT04726241 prior to enrollment on ITCC-101/APAL2020D. (This is only applicable for participants in USA/Canada/Australia/New Zealand sites/LLS territory).
• Participants must be ≥ 29 days of age and ≤ 21 years of age at enrollment.
• Participants must have one of the following:
  • Children, adolescents, and young adults with acute myeloid leukemia without FLT3/internal tandem duplication (ITD) mutation in:
    • Second relapse, who are sufficiently fit to undergo another round of intensive chemotherapy
    • First relapse who per investigator discretion cannot tolerate additional anthracycline containing chemotherapy.
• Participants must have a performance status corresponding to Eastern Cooperative Oncology Group (ECOG) scores of 0, 1 or 2 (≥ 50% Lansky or Karnofsky score)
• Participants 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 start of protocol treatment:
  • Cytotoxic chemotherapy: Must not have received cytotoxic chemotherapy within 14 days prior to start of protocol treatment, except for corticosteroids, low dose cytarabine or hydroxyurea that can be given up to 24 hours prior to start of protocol treatment.
  • Intrathecal cytotoxic therapy: No wash-out time is required for participants having received any combination of intrathecal cytarabine, methotrexate, and/or hydrocortisone.
  • Antibodies: ≥ 21 days must have elapsed from infusion of last dose of an antibody-drug conjugate before start of protocol treatment. For unmodified antibodies or T cell engaging antibodies, 2 half-lives must have elapsed before start of protocol treatment. Any toxicity related to prior antibody therapy must be recovered to Grade ≤ 1.
  • Interleukins, Interferons and Cytokines (other than Hematopoietic Growth Factors): ≥ 21 days after the completion of interleukins, interferon or cytokines (other than Hematopoietic Growth Factors) before start of protocol treatment.
  • 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 before start of protocol treatment.
  • Radiation therapy (RT) (before start of protocol treatment):
    • ≥ 14 days have elapsed for local palliative RT (small port);
    • ≥ 84 days must have elapsed if prior craniospinal RT or if ≥ 50% radiation of pelvis;
    • ≥ 42 days must have elapsed if other substantial bone marrow (BM) radiation.
  • Stem Cell Infusions (before start of protocol treatment):
    • ≥ 84 days since allogeneic (non-autologous) bone marrow or stem cell transplant (with or without total body irradiation [TBI]) or boost infusion (any stem cell product; not including donor lymphocyte infusion [DLI])
    • No evidence of active graft versus host disease (GVHD).
  • Participants who are receiving cyclosporine, tacrolimus or other agents to treat or prevent either graft-versus-host disease post bone marrow transplant or organ rejection post-transplant are not eligible for this trial. Participants must be off medications to treat or prevent either graft-versus-host disease post bone marrow transplant or organ rejection post-transplant for at least 14 days prior to enrollment
  • Cellular Therapy: ≥ 42 days after the completion of donor lymphocyte infusion (DLI) or any type of cellular therapy (e.g., modified T cells, natural killer [NK] cells, dendritic cells, etc.) before start of protocol treatment.
  • Participants with prior exposure to venetoclax are eligible in this trial
• Adequate organ function:
  • Adequate Renal Function defined as:
    • Creatinine clearance or radioisotope glomerular filtration rate (GFR) ≥ 60ml/min/1.73 m^2, or
    • Normal serum creatinine based on age/sex
  • Adequate Liver Function defined as:
    • Direct bilirubin < 1.5 x upper limit of normal (ULN), and
    • Alkaline phosphatase ≤ 2.5 x ULN, and
    • Serum glutamic pyruvic transaminase (SGPT) alanine aminotransferase (ALT) ≤ 2.5 x ULN. If liver abnormality is due to radiographically identifiable leukemia infiltrate, the participant will remain eligible.
  • Cardiac performance: Minimum cardiac function defined as:
    • No history of congestive heart failure in need of medical treatment
    • No pre-treatment diminished left ventricular function on echocardiography (shortening fraction [SF] < 25% or ejection fraction [EF] < 40%)
    • No signs of congestive heart failure at presentation of relapse.
• Participant, parent or guardian must sign and date informed consent and pediatric assent (when required), prior to the initiation of screening or study specific procedures, according to local law and legislation.

Exclusion Criteria

• Participants who in the opinion of the investigator may not be able to comply with the study requirements of the study, are not eligible.
• Participants with Down syndrome.
• Participants with Acute promyelocytic leukemia (APL) or Juvenile myelomonocytic leukemia (JMML).
• Participants with isolated CNS3 disease or symptomatic CNS3 disease.
• Participants with malabsorption syndrome or any other condition that precludes enteral administration of venetoclax.
• Participants who are currently receiving another investigational drug (GO is not considered investigational in this study).
• Participants with Fanconi anemia, Kostmann syndrome, Shwachman syndrome or any other known congenital bone marrow failure syndrome.
• Participants with known prior allergy to any of the medications used in protocol therapy.
• Participants with documented active, uncontrolled infection at the time of study entry.
• No known human immunodeficiency virus (HIV) infection.
• Post menarchal female participants with positive pregnancy test.
• Concomitant Medications
  • Participants who have received strong and moderate CYP3A inducers such as rifampin, carbamazepine, phenytoin, and St. John's wort within 7 days of the start of study treatment.
  • Participants who have consumed grapefruit, grapefruit products, Seville oranges (including marmalade containing Seville oranges) or starfruit within 3 days of the start of study treatment.
  • Participants who have hypersensitivity to the active substance or to any of the excipients listed in summary of product characteristics (SPC).
• Pregnancy or Breast-Feeding:
  • Participants who are pregnant or breast-feeding.
  • Participants of reproductive potential may not participate unless they have agreed to use a highly effective contraceptive method per clinical trials facilitation group (CTFG) guidelines for the duration of study therapy and for 6 months after the completion of all study therapy.
  • Male participants must use a condom during intercourse and agree not to father a child or donate sperm during therapy and for the duration of study therapy and for 4 months after the completion of all study therapy.

Additional criteria to receive a gemtuzumab ozogamicin infusion:

Gemtuzumab ozogamicin should not be given:

• to participants with history of veno-occlusive disease (VOD)/Sinusoidal obstruction syndrome (SOS) grade 4
• to participants with history of VOD/SOS grade 3
• to participants with CD33 negative leukemic blasts (determined at local lab)

Note that these participants are eligible for the study but will not be treated with gemtuzumab ozogamicin.

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Study Description

Brief Summary:

This is a prospective randomized clinical trial, to determine whether dose-intensive tandem Consolidation, in a randomized comparison with single cycle Consolidation, provides an event-free survival (EFS) and overall survival (OS). The study population will be high-risk patients (non-Wnt and non-Shh sub-groups) with medulloblastoma, and for all patients with central nervous system (CNS) embryonal tumors completing "Head Start 4" Induction. This study will further determine whether the additional labor intensity (duration of hospitalizations and short-term and long-term morbidities) associated with the tandem treatment is justified by the improvement in outcome. It is expected that the tandem (3 cycles) Consolidation regimen will produce a superior outcome compared to the single cycle Consolidation, given the substantially higher dose intensity of the tandem regimen, without significant addition of either short-term or long-term morbidities.

Detailed Description:

Due to the inferior response and event-free survival data of Regimens D and D2 on "Head Start III" for all children with supratentorial embryonal tumors, in comparison with the published data from "Head Start II" with Regimen A2 for metastatic patients, all such patients will receive the "Head Start II" Induction Regimen A2, on "Head Start 4", for either three or five cycles, depending upon whether or not they achieve complete remission by the end of Induction cycle #3. They will then undergo randomization to either single cycle or three tandem cycles of Consolidation marrow-ablative chemotherapy with AuHPCR.

Because of the unsatisfactory event-free survival for young children with non-desmoplastic/extensive nodular medulloblastoma (predominantly non-Shh and non-Wnt medulloblastoma subgroups) on Regimens D and D2 of "Head Start III", all these patients will receive the "Head Start II" Induction Regimen A2 on ""Head Start 4"", for either three or five cycles, depending upon whether or not they achieve complete remission by the end of Induction cycle #3. They will then undergo randomization to either single cycle or three tandem cycles of Consolidation marrow-ablative chemotherapy with AuHPCR.

Because of the excellent event-free and overall survival for young children with good risk medullo-blastoma (Shh or Wnt subgroups) treated with up-front "Head Start" chemotherapy strategies, such patients will undergo risk-tailored reduction of duration of Induction therapy from five cycles to three cycles of the "Head Start II" Induction Regimen A2 on "Head Start 4" for patients achieving a complete response to 3 cycles, followed, provided they are also without evidence of residual tumor following recovery from Induction cycle #3. They will NOT then undergo randomization, but will follow with a single cycle of Consolidation marrow-ablative chemotherapy as in "Head Start" studies.

Inclusion Criteria

• Patients 10 years of age at the time of definitive confirmatory eligible histologic or cytologic diagnosis of eligible CNS tumor (brain or spinal cord)
• Patients may not have received irradiation or chemotherapy (except corticosteroids)
• Have histologically proven diagnosis of medulloblastoma or CNS embryonal tumors of the brain or spinal cord

• Medulloblastoma

  • Posterior fossa classic, desmoplastic or extensive nodular or anaplastic/large cell medulloblastoma with appropriate and sufficient tumor material (FFPE or snap frozen) for proposed assays: all stages, age less than 6 years at diagnosis
  • Posterior fossa classic or anaplastic/large cell medulloblastoma with sufficient tumor material (FFPE or snap frozen) for proposed assays: clinically high-stage (neuraxis or extra-neural dissemination, M1-4), age greater than 6 years to less than 10 years at diagnosis
  • Posterior fossa medulloblastoma, those 6 years of age and above at diagnosis, will only be eligible if they have evidence of neuraxis or extraneural dissemination. Patients 6 years of age and above with low-stage (standard-risk, M0) medulloblastoma will NOT be eligible for this study, irrespective of molecular subgroup and extend of local resection

• CNS Embryonal Tumors:

  - Pineoblastoma, CNS neuroblastoma, CNS ganglioneuroblastoma, embryonal tumor with multi-layered rosettes (ETMR, including embryonal tumor with abundant neuropil and true rosettes (ETANTR), ependymoblastoma and ETMR not otherwise specified), medulloepithelioma, CNS embryonal tumor with rhabdoid features (INI1 intact) and CNS embryonal tumor, not otherwise specified.

• Must commence Induction chemotherapy within 28 days of the most recent definitive surgical procedure and within 21 days of the most recent neuro-imaging studies (MRI of brain, performed with and without gadolinium contrast, and MRI of total spine, performed with gadolinium contrast) and lumbar CSF cytological examination

• Patients must have adequate organ functions at the time of registration:

  • Liver: bilirubin less than 1.5 mg/dL (except for patients with Gilbert's Syndrome of indirect hyperbilirubinemia) and transaminases [SGPT or ALT, and SGOT or AST] less than 2.5 (two and a half) times the upper limits of institutional normal.
  • Renal: Creatinine clearance and/or glomerular filtration rate (GFR) greater than or equal to 60 mL/min/1.73m² within 21 days of protocol therapy.

  • Bone Marrow Function:

    1. Peripheral absolute phagocyte count (APC) > 1000/ µL. APC = numbers of banded neutrophils + segmented neutrophils + metamyelocytes + monocytes + eosinophils Please note, if institution reports differential as a percentage, then APC = [percentage of banded neutrophils + segmented neutrophils+ metamyelocytes+monocytes+eosinophils] x total white cell count.
    2. Platelet Count > 100,000/µL (transfusion independent)
    3. Hemoglobin > 8 gm/dL (may have received RBC transfusions).

Exclusion Criteria

• Patients older than 10 years of age at time of diagnosis
• Following diagnoses are not eligible for study enrollment: CNS atypical teratoid/rhabdoid tumor (AT/RT); all ependymomas including anaplastic ependymomas of the brain or spinal cord; all choroid plexus carcinomas; all high-grade glial and glio-neuronal tumors; all primary CNS germ cell tumors; all primary CNS sarcomas; all primary or metastatic CNS lymphomas and solid leukemic lesions (i.e., chloromas, granulocytic sarcomas).
• Patients with unbiopsied diffuse intrinsic pontine tumors will NOT be eligible for this study.

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Centres

Study Description

The study's purpose is to see if the drug, abemaciclib, is safe and effective when given with other drugs to kill cancer cells. The study is open to children and young adults with solid tumors, including neuroblastoma, that did not respond or grew during other anti-cancer treatment.

Inclusion Criteria

Parts A and B only:

• Participants must be less than or equal to (≤)18 years of age.
• Body weight greater than or equal to (≥)10 kilograms and body surface area (BSA) ≥0.5
• Participants with any relapsed/refractory malignant solid tumor (excluding lymphoma), including central nervous system tumors, that have progressed on standard therapies.
• For sites that are actively enrolling Parts B and C, participants with neuroblastoma who are eligible for Part C will be excluded from Part B unless approved by Lilly CRP/CRS.

Part C only:

• Participants must be less than (<) 21 years of age.
• Participants have a BSA ≥0.3 m².
• Participants with first relapse/refractory neuroblastoma.

All Parts

• Participants must have measurable or evaluable disease by RECIST v1.1 or RANO.
• A Lansky score ≥50 for participants <16 years of age or Karnofsky score ≥50 for participants ≥16 years of age.
• Participants must have discontinued all previous treatments for cancer or investigational agents and must have recovered from the acute effects to Grade ≤1 at the time of enrollment.
• Able to swallow.
• Adequate hematologic and organ function ≤2 weeks (14 days) prior to first dose of study drug.
• Females of reproductive potential must have negative urine or serum pregnancy test at baseline (within 7 days prior to starting treatment).
• Female participants of reproductive potential must agree to use highly effective contraceptive precautions during the trial. For abemaciclib, females should use contraception for at least 3 weeks following the last abemaciclib. For other study drugs, highly effective contraceptive precautions (and avoiding sperm donation) must be used according to their label.
• Life expectancy of at least 8 weeks and able to complete at least 1 cycle of treatment.
• Caregivers and participants willing to make themselves available for the duration of the trial.

Other inclusion and exclusion criteria may apply

Exclusion Criteria

• Received allogenic bone marrow or solid organ transplant.
• Received live vaccination.
• Intolerability or hypersensitivity to any of the study treatments or its components.
• Diagnosed and/or treated additional malignancy within 3 years prior to enrollment that may affect the interpretation of results, with the exception of curatively treated basal cell carcinoma of the skin, squamous cell carcinoma of the skin, and/or curatively resected in situ cervical and/or breast cancers.
• Pregnant or breastfeeding.
• Active systemic infections or viral load.
• Serious and/or uncontrolled preexisting medical condition(s) that would preclude participation in this study.
• Parts A and C only: Have a bowel obstruction.
• Prior treatment with drugs known to be strong inhibitors or inducers of isoenzyme cytochrome P450 3A (CYP3A) or strong inhibitors of uridine diphosphate-glucuronosyl transferase 1A1 (UGT1A1) if the treatment cannot be discontinued or switched to a different medication at least 5 half-lives prior to starting study drug.
• Received prior treatment with cyclin-dependent kinase (CDK) 4 & 6 inhibitor.
• Part C only: Received prior systemic therapy for relapsed/refractory neuroblastoma.
• Currently enrolled in any other clinical study involving an investigational product or non-approved use of a drug or device.
• Has received an experimental treatment in a clinical trial within the last 30 days or 5 half-lives, whichever is longer.

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Study Description

This phase II trial studies how well combination chemotherapy works in treating patients with newly diagnosed stage II-IV diffuse anaplastic Wilms tumors (DAWT) or favorable histology Wilms tumors (FHWT) that have come back (relapsed). Drugs used in chemotherapy regimens such as UH-3 (vincristine, doxorubicin, cyclophosphamide, carboplatin, etoposide, and irinotecan) and ICE/Cyclo/Topo (ifosfamide, carboplatin, etoposide, cyclophosphamide, and topotecan) work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. This trial may help doctors find out what effects, good and/or bad, regimen UH-3 has on patients with newly diagnosed DAWT and standard risk relapsed FHWT (those treated with only 2 drugs for the initial WT) and regimen ICE/Cyclo/Topo has on patients with high and very high risk relapsed FHWT (those treated with 3 or more drugs for the initial WT).

PRIMARY OBJECTIVES:

I. To evaluate whether the addition of vincristine/irinotecan to cyclophosphamide/ carboplatin/etoposide alternating with vincristine/doxorubicin/cyclophosphamide improves the event-free survival (EFS) of patients with newly diagnosed stage 4 diffuse anaplastic Wilms tumor (DAWT) as compared to historical controls.

II. To evaluate whether the addition of vincristine/irinotecan to cyclophosphamide/carboplatin/etoposide alternating with vincristine/doxorubicin/cyclophosphamide improves the EFS of patients with standard-risk relapsed favorable histology Wilms tumor (SRrFHWT) as compared to historical controls.

SECONDARY OBJECTIVES:

I. To evaluate whether the addition of vincristine/irinotecan to cyclophosphamide/carboplatin/etoposide alternating with vincristine/doxorubicin/cyclophosphamide improves the overall survival (OS) of patients with newly diagnosed stage 4 DAWT as compared to historical controls.

II. To evaluate whether the addition of vincristine/irinotecan to cyclophosphamide/carboplatin/etoposide alternating with vincristine/doxorubicin/cyclophosphamide improves the OS of patients with SRrFHWT as compared to historical controls.

III. To evaluate whether the addition of vincristine/irinotecan to cyclophosphamide/carboplatin/etoposide alternating with vincristine/doxorubicin/cyclophosphamide improves the EFS and OS of patients with newly diagnosed stage 2 and 3 DAWT as compared to historical controls.

IV. To establish EFS and OS for high-risk (HRrFHWT) and very high risk (VHRrFHWT) relapsed favorable histology Wilms tumor treated with ifosfamide/carboplatin/etoposide alternating with cyclophosphamide/ topotecan.

EXPLORATORY OBJECTIVES:

I. To describe renal toxicity of ifosfamide/carboplatin/etoposide in HRrFHWT and VHRrFHWT patients using conventional and novel biomarkers of renal toxicity (urine NGAL, cystatin C and Kim1) in the context of the chemotherapy regimens used on this study.

II. To collect and bank serial blood and urine samples in patients with newly diagnosed DAWT or relapsed FHWT and tumor tissue in patients with relapsed FHWT, for future analysis.

III. To assess the impact of p53 gene and protein expression on outcome for patients with newly diagnosed DAWT.

IV. To determine EFS/OS in the subsets of patients with newly diagnosed DAWT or relapsed FWHT who undergo gross total resection at all disease sites at diagnosis or after neoadjuvant chemotherapy.

V. To describe the rate of regional lymph node sampling at the time of nephrectomy with the use of a pre-operative surgical checklist for patients with newly diagnosed DAWT.

VI. To determine the feasibility of intensity modulated radiation therapy (IMRT) with central quality assurance (QA) monitoring to reduce radiation induced toxicity to the heart, thyroid, breast and solitary kidney for children with lung and liver metastases (part of an overarching aim in this study and across frontline favorable histology Wilms tumor studies).

Inclusion Criteria

• Patients with newly diagnosed stages 2 - 4 diffuse anaplastic Wilms tumor must be enrolled on AREN03B2 and have risk assignment or final pathology classification (if at delayed nephrectomy) results available prior to enrollment on AREN1921. Enrollment on AREN03B2 is not applicable for patients with relapsed favorable histology Wilms tumor
• Patients with the following diagnoses are eligible for this study:
  • Newly diagnosed stages 2 - 4 diffuse anaplastic Wilms tumor as confirmed by central review
  • Favorable histology Wilms tumor at first relapse. Relapsed FHWT patients must have previously achieved remission for their initial FHWT diagnosis to be eligible for this study. The relapse risk groups are defined as follows, regardless of radiation therapy:
    • Standard-Risk relapse: Patients who received two chemotherapy agents for frontline therapy; primarily actinomycin D and vincristine
    • High-Risk relapse: Patients who received three chemotherapy agents for frontline therapy; primarily vincristine, actinomycin D and doxorubicin or vincristine, actinomycin D and irinotecan
    • Very High-Risk relapse: Patients who received four or more chemotherapy agents as part of initial therapy; primarily Regimen M or its variations
• Patients with newly diagnosed DAWT must have had histologic verification of the malignancy. For relapsed FHWT patients, biopsy to prove recurrence is encouraged, but not required
  • Note: for relapsed FHWT patients, an institutional pathology report confirming favorable histology Wilms tumor (from relapse, if available, or from original diagnosis) must be available for upload prior to initiation of protocol therapy
• Patients with newly diagnosed stages 2 - 4 diffuse anaplastic Wilms tumor must be enrolled on AREN1921 within 2 weeks of the first tumor-directed surgery or biopsy procedure (surgery/biopsy is day 0), except for patients who received prior therapy for presumed favorable histology Wilms tumor, later confirmed to have diffuse anaplastic Wilms tumor at subsequent review
• Patients with newly diagnosed DAWT who undergo upfront nephrectomy must have at least 1 lymph node sampled prior to study enrollment
• Patients must have a performance status corresponding to Eastern Cooperative Oncology Group (ECOG) scores of 0, 1 or 2. Use Karnofsky for patients > 16 years of age and Lansky for patients =< 16 years of age
• Patients must have a life expectancy of >= 8 weeks
• Diffuse Anaplastic Wilms Tumor: Patients with diffuse anaplastic histology must have had no prior systemic therapy, except in the following situations:
  • Patients with diffuse anaplastic Wilms tumor who received no more than 12 weeks of pre nephrectomy chemotherapy for what was originally presumed to be favorable histology Wilms tumor, subsequently confirmed to be diffuse anaplastic Wilms tumor at delayed nephrectomy.
  • Patients with diffuse anaplastic Wilms tumor who received no more than 6 weeks of chemotherapy following upfront nephrectomy or biopsy for presumed favorable histology Wilms tumor based on institutional review, but subsequently corrected to diffuse anaplastic Wilms tumor based on the AREN03B2 initial risk assignment results.
  • Treatment consisting of vincristine/doxorubicin/ cyclophosphamide initiated on an emergent basis and within allowed timing as described
  • Patients who received prior therapy for presumed favorable histology Wilms tumor, later identified to have diffuse anaplastic Wilms tumor as per above, must begin study treatment starting at cycle 3 (week 7) of regimen UH 3. For treatment details specific to this group of patients. Patients who received emergency radiation to preserve organ function are eligible as noted
• Relapsed Favorable Histology Wilms Tumor: Patients must not have received prior chemotherapy for their relapsed favorable histology Wilms tumor diagnosis. In addition, patients must have fully recovered from the acute toxic effects of all prior chemotherapy, immunotherapy, or radiotherapy prior to entering this study
  • Myelosuppressive chemotherapy: Must not have received within 2 weeks of entry onto this study
  • Radiation therapy (RT): >= 2 weeks (wks) must have elapsed for local palliative RT (small port); >= 6 months must have elapsed if prior craniospinal RT or if >= 50% radiation of pelvis; >= 6 wks must have elapsed if other substantial BM radiation. Patients with relapsed favorable histology Wilms tumor who received emergency radiation to preserve organ function are eligible and do not need to washout with the above criteria
• Patients may not be receiving any other investigational agents (within 4 weeks prior to study enrollment)
• Peripheral absolute neutrophil count (ANC) >= 750/uL (performed within 7 days prior to enrollment)
• Platelet count >= 75,000/uL (transfusion independent) (performed within 7 days prior to enrollment)
• Hemoglobin >= 8.0 g/dL (may receive red blood cell [RBC] transfusions) (performed within 7 days prior to enrollment)
• Patients with high-risk or very high-risk relapsed FHWT who will be treated with Regimen ICE/Cyclo/Topo, must have renal function assessed by creatinine clearance or radioisotope glomerular filtration rate (GFR) and meet the following requirement:
  • Creatinine clearance or radioisotope GFR >= 60 mL/min/1.73 m^2 (performed within 7 days prior to enrollment)
• Patients diagnosed with stage 2-4 DAWT or standard risk relapsed FHWT, who will be treated with Regimen UH 3, may either obtain a creatinine clearance, radioisotope GFR (meeting the above criteria of GFR >= 60 mL/min/1.73 m^2), or an adequate serum creatinine as per the following table:
  • Age: Maximum Serum Creatinine (mg/dL)
  • 1 month to < 6 months: 0.4 (male and female)
  • 6 months to < 1 year: 0.5 (male and female)
  • 1 to < 2 years: 0.6 (male and female)
  • 2 to < 6 years: 0.8 (male and female)
  • 6 to < 10 years: 1 (male and female)
  • 10 to < 13 years: 1.2 (male and female)
  • 13 to < 16 years: 1.5 (male), 1.4 (female)
  • >= 16 years: 1.7 (male), 1.4 (female)
• Total bilirubin =< 1.5 x upper limit of normal (ULN) for age or direct bilirubin =< ULN for patients whose total bilirubin > 1.5 x ULN (performed 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 or =< 5 x ULN for patients with liver metastases (performed within 7 days prior to enrollment)
• Shortening fraction of >= 27% by echocardiogram, or ejection fraction of >= 50% by radionuclide angiogram (performed within 7 days prior to enrollment)

Exclusion Criteria

• Patients with a history of bilateral Wilms tumor (synchronous or metachronous)
• Patients with any uncontrolled, intercurrent illness including, but not limited to, ongoing or active infection, or symptomatic congestive heart failure (defined as grade 2 or higher heart failure per Common Terminology Criteria for Adverse Events [CTCAE] version 5.0)
• Relapsed FHWT patients who did not receive frontline chemotherapy (e.g., very low risk FHWT initially observed without chemotherapy) or received only one chemotherapy agent for frontline therapy
• For patients with high-risk or very high-risk relapsed FHWT:
  • Patients with renal tubular acidosis (RTA) as evidenced by serum bicarbonate < 16 mmol/L and serum phosphate =< 2 mg/dL (or < 0.8 mmol/L) without supplementation
• For stages 2-4 DAWT and standard-risk relapsed FHWT patients:
  • Chronic inflammatory bowel disease and/or bowel obstruction
  • Concomitant use of St. John's wort, which cannot be stopped prior to the start of trial treatment
• 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

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Centres

Study Description

Brief Summary:

This partially randomized phase II/III trial studies how well, in combination with surgery, cisplatin and combination chemotherapy works in treating children and young adults with hepatoblastoma or hepatocellular carcinoma. Drugs used in chemotherapy, such as cisplatin, doxorubicin, fluorouracil, vincristine sulfate, carboplatin, etoposide, irinotecan, sorafenib, gemcitabine and oxaliplatin, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving combination chemotherapy may kill more tumor cells than one type of chemotherapy alone.

Detailed Description:

PRIMARY OBJECTIVES:

I. To reduce therapy associated toxicity for patients with non-metastatic hepatoblastoma (HB) and hepatocellular carcinoma (HCC) without adversely affecting long term outcomes.

II. To determine the event-free survival (EFS) in patients with HB whose tumor is completely resected at diagnosis and either receive no adjuvant chemotherapy (completely resected well differentiated fetal [WDF] histology HB) or 2 cycles of standard dose cisplatin monotherapy (completely resected non-well differentiated fetal histology HB - 100 mg/m^2/cycle given 3 weeks apart). (Group A) III. To demonstrate that 4 to 6 cycles of interval compressed lower dose cisplatin monotherapy (80 mg/m^2/cycle; 320-480 mg/m^2 total) is adequate for low risk HB. (Group B) IIIa. In patients who are resected after 2 cycles of cisplatin monotherapy, to compare EFS following a randomized comparison of 2 versus 4 post-operative cycles of cisplatin monotherapy. (Group B) IIIb. In patients whose tumors are deemed unresectable after 2 cycles of cisplatin monotherapy, to determine the proportion of tumors rendered completely resectable by an additional 2 or 4 cycles of chemotherapy. (Group B) IV. To compare in a randomized fashion, EFS in patients with intermediate risk HB treated with 6 cycles of cisplatin/5-fluorouracil/vincristine/doxorubicin (C5VD) chemotherapy versus 6 cycles of interval compressed cisplatin monotherapy (100 mg/m^2/dose). (Group C) V. To determine the EFS in patients with HCC whose tumor is completely resected at diagnosis who receive no adjuvant chemotherapy (completely resected HCC arising in the context of underlying liver disease) or 4 cycles of cisplatin/doxorubicin (PLADO) (completely resected de novo HCC). (Group E) VI. To improve the EFS of patients with high risk HB by treating them with interval compressed cisplatin and doxorubicin based induction regimen followed by response-adapted consolidation therapy. (Group D) VIa. In patients whose metastatic disease resolves with the administration of Societe Internationale d'Oncologie Pediatrique (SIOPEL) 4 Induction therapy, to determine if the promising pilot results observed in SIOPEL 4 can be validated in a large international study. (Group D1) VIb. In patients whose metastatic disease does not resolve with the administration of SIOPEL 4 Induction therapy, to determine in a randomized comparison which post induction treatment (irinotecan and vincristine sulfate [vincristine] alternating with carboplatin and doxorubicin or carboplatin and etoposide alternating with carboplatin and doxorubicin) results in superior outcomes. (Group D Arm CE & Arm VI) VII. In patients with unresectable/metastatic HCC at diagnosis, to determine whether the addition of gemcitabine and oxaliplatin (GEMOX + sorafenib) to a cisplatin, doxorubicin and sorafenib backbone improves chemotherapy response, resectability and survival. (Group F)

EXPLORATORY OBJECTIVES:

I. To determine if the Childhood Hepatic tumor International Consortium (CHIC) hepatoblastoma risk stratification analysis of very low risk (Group A), low risk (Group B), intermediate risk (Group C) and high risk (Group D) groups stratifies patients allowing appropriate utilization of varying intensity chemotherapy regimens and surgical resection strategies.

II. To define the prognostic relevance of a positive microscopic margin in Group A-D resected HB specimens.

III. To define the frequency of histologically detectable multifocal lesions in liver explants and resected specimens in which multifocal disease was detected at diagnosis and disappeared on cross sectional imaging following treatment with chemotherapy.

IV. To define the prognostic relevance in HB of a 'small cell undifferentiated' tumor component and percentage of tumor necrosis in post chemotherapy specimens.

V. To determine the prognostic impact on EFS and overall survival (OS) of biopsy technique in liver tumors unresectable at diagnosis.

VI. To determine the 3-year EFS and OS of HB patients who undergo liver transplantation vs extreme resection in Group C and D patients.

VII. To determine the 3-year EFS and OS of Group D patients who undergo pulmonary metastasectomy.

VIII. To determine the 3-year EFS and OS of patients who undergo liver transplantation for HCC.

IX. To determine the frequency of relapse in non-metastatic HCC in children treated by liver transplantation versus conventional resection.

X. To determine the concordance of Pretreatment Extent of Disease (PRETEXT) and Post-treatment Extent of disease (POSTTEXT) based surgical guidelines and the surgical intervention performed.

XI. To collect for future analysis, HB and HCC tumor specimens that can be molecularly characterized to validate newly identified molecular and immunohistochemical biomarkers correlating with known clinical prognostic factors and outcome.

XII. To evaluate the hepatoblastoma molecular risk-predictive model (HB-MRP) to risk stratify hepatoblastoma patients in the context of the current AHEP1531 trial.

XIII. To collect for future analysis samples to assess the pharmacogenomics (PG) related to cisplatin therapy in pediatric and adolescent liver tumor patients and correlate PG with Boston Grading Scale for ototoxicity.

XIV. To collect for future analysis samples such that novel biomarkers of renal toxicity (urine neutrophil gelatinase-associated lipocalin [NGAL], cystatin C and Kim1) from cisplatin therapy can be correlated with pharmacogenomics, other associated toxicities, and outcomes.

XV. To determine which system (Children's Oncology Group [COG] PRETEXT, SIOPEL PRETEXT, or a new hybrid definition of PRETEXT) of the annotation factors for V, P, E, F and R provides the best prognostic information for determining response to chemotherapy, guiding risk based therapy, predicting surgical resectability, and EFS.

XVI. To determine the concordance between institutional and expert panel review assessment of PRETEXT and POSTTEXT stage in an international cooperative group setting.

OUTLINE:

GROUP A (VERY LOW RISK HB): Patients are assigned to 1 of 2 groups.

GROUP A1 (WDF): Patients undergo observation.

GROUP A2 (NON-WDF): Patients receive cisplatin (CDDP) intravenously (IV) over 6 hours on day 1 following surgery. Treatment repeats every 21 days for up to 2 cycles in the absence of disease progression or unacceptable toxicity.

GROUP B (LOW RISK HB): Patients receive cisplatin IV over 6 hours on day 1. Treatment repeats every 14 days for up to 2 cycles in the absence of disease progression or unacceptable toxicity. Patients are then assigned to 1 of 2 groups

GROUP B1 (RESECTABLE): Patients receive 2 cycles of cisplatin, undergo surgery, then are randomized to 1 of 2 arms (2 vs 4 additional cycles of cisplatin).

GROUP B1 ARM 4-CDDP: Patients receive cisplatin IV over 6 hours on day 1. Treatment repeats every 14 days for up to 4 total cycles (2 pre-surgery, 2 post-surgery) in the absence of disease progression or unacceptable toxicity.

GROUP B1 ARM 6-CDDP: Patients receive cisplatin IV over 6 hours on day 1. Treatment repeats every 14 days for up to 6 total cycles(2 pre-surgery, 4 post-surgery) in the absence of disease progression or unacceptable toxicity.

GROUP B2 (UNRESECTABLE): Patients receive cisplatin IV over 6 hours on day 1. Treatment repeats every 14 days for up to 6 total cycles (4 pre-surgery, 2 post-surgery). Patients with resectable tumors undergo surgery, then all patients continue with 2 additional cycles of cisplatin.

GROUP C (INTERMEDIATE RISK HB): Patients are randomized to 1 of 2 arms.

GROUP C ARM CDDP: Patients receive cisplatin IV over 6 hours on day 1. Treatment repeats every 14 days for up to 6 cycles in the absence of disease progression or unacceptable toxicity. Patients undergo surgery after cycle 2 or 4.

GROUP C ARM C5VD: Patients receive cisplatin IV over 6 hours on day 1, 5-fluorouracil IV over 1-15 minutes, vincristine sulfate IV over 1 minute on days 1, 8, and 15 and doxorubicin IV over 1-15 minutes on days 1 and 2. Treatment repeats every 21 days for up to 6 cycles in the absence of disease progression or unacceptable toxicity. Patients undergo surgery after cycle 2 or 4.

GROUP D (HIGH RISK HB): SIOPEL-4 IV INDUCTION: Patients receive cisplatin IV over 6 hours on days 1, 8, and 15 (for cycles 1 and 2) and days 1 and 8 (for cycle 3) and doxorubicin IV over 1-15 minutes on days 8 and 9 (for cycles 1 and 2) and days 1 and 2 (for cycle 3). Cycles 1 and 2 are 28 days; cycle 3 is 21 days. Patients are then assigned to 1 of 2 arms.

GROUP D1: CONSOLIDATION THERAPY: Patients with lung complete remission (either with chemotherapy and/or surgery) receive carboplatin IV over 1 hour on day 1 and doxorubicin IV over 1-15 minutes on days 1 and 2. Treatment repeats every 21 days for 3 cycles in the absence of disease progression or unacceptable toxicity.

GROUP D2: Patients with residual metastatic disease are randomized to 1 of 2 arms.

GROUP D2 ARM CE: Patients receive carboplatin IV over 1 hour on days 1 and 2, doxorubicin IV over 1-15 minutes on days 1 and 2 during cycles 1, 3 and 5, and carboplatin IV over 1 hour and etoposide IV over 2 hours on day 1 and 2 of cycles 2, 4 and 6. Treatments repeat every 21 days for 6 cycles in the absence of disease progression or unacceptable toxicity.

GROUP D2 ARM VI: Patients receive carboplatin IV over 1 hour on days 1 and 2 and doxorubicin IV over 1-15 minutes on days 1 and 2 during cycles 1, 3 and 5. Patients also receive vincristine sulfate IV over 1 minute on days 1 and 8 and irinotecan IV over 60-90 minutes once daily (QD) on days 1 to 5 of cycles 2, 4 and 6. Treatments repeat every 21 days for 6 cycles in the absence of disease progression or unacceptable toxicity.

GROUP E (RESECTED HCC): Patients are assigned to 1 of 2 groups.

GROUP E1: Patients with HCC secondary to underlying hepatic disease undergo observation only.

GROUP E2 (PLADO): Patients with de novo HCC receive cisplatin IV over 6 hours on day 1 and doxorubicin IV over 1-15 minutes on days 1 and 2 following surgery. Treatments repeat every 21 days for 4 cycles in the absence of disease progression or unacceptable toxicity.

GROUP F (UNRESECTED AND/OR METASTATIC HCC): Patients are randomized to 1 of 2 arms.

GROUP F ARM 1 (PLADO): Patients receive cisplatin IV over 6 hours on day 1, doxorubicin IV over 1-15 minutes on days 1 and 2 and sorafenib orally (PO) twice daily (BID) on days 3-21. Treatments repeat every 21 days for up to 3 cycles in the absence of disease progression or unacceptable toxicity. Patients may undergo surgery, if tumors are resectable, or receive an additional 3 cycles of the treatment.

GROUP F ARM 2 (P/GEMOX): Patients receive cisplatin IV over 6 hours on day 1, doxorubicin IV over 1-15 minutes on days 1 and 2 and sorafenib PO BID on days 3-14 of cycles 1 and 3. Patients also receive gemcitabine IV over 90 minutes on day 1, oxaliplatin IV over 2 hours on day 1 and sorafenib PO on days 1-14 of cycles 2 and 4. Patients may undergo surgery, if tumors are resectable, or receive an additional 4 cycles of the treatment.

After completion of study treatment, patients are followed up for a minimum of 2 years.

Inclusion Criteria

• Patients in Group F must have a body surface area (BSA) >= 0.6 m^2
• Patients must have a performance status corresponding to Eastern Cooperative Oncology Group (ECOG) scores of 0, 1, or 2; use Karnofsky for patients > 16 years of age and Lansky for patients =< 16 years of age; 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 be newly diagnosed with histologically-proven primary pediatric hepatic malignancies including hepatoblastoma or hepatocellular carcinoma, except as noted below; patients with a diagnosis of hepatocellular neoplasm, not otherwise specified, should be classified and treated per hepatoblastoma treatment arms; note that rapid central pathology review is required in some cases; please note: all patients with histology as assessed by the institutional pathologist consistent with pure small cell undifferentiated (SCU) HB will be required to have testing for INI1/SMARCB1 by immunohistochemistry (IHC) according to the practices at the institution
• Patients with histology consistent with pure SCU must have positive INI1/SMARCB1 staining

• For all Group A patients, WDF status as determined by rapid review will be used to further stratify patients to Group A1 or A2

  • For Groups B, C and D, rapid review is required if patients are either >= 8 years of age or have an alphafetoprotein (AFP) =< 100 at diagnosis
  • For all Groups E and F patients, rapid central pathology review is required

• In emergency situations when a patient meets all other eligibility criteria and has had baseline required observations, but is too ill to undergo a biopsy safely, the patient may be enrolled without a biopsy

  • Clinical situations in which emergent treatment may be indicated include, but are not limited to, the following circumstances:

    • Anatomic or mechanical compromise of critical organ function by tumor (e.g., respiratory distress/failure, abdominal compartment syndrome, urinary obstruction, etc.)
    • Uncorrectable coagulopathy

  • For a patient to maintain eligibility for AHEP1531 when emergent treatment is given, the following must occur:

    • The patient must have a clinical diagnosis of hepatoblastoma, including an elevated alphafetoprotein (AFP), and must meet all AHEP1531 eligibility criteria at the time of emergent treatment
    • Patient must be enrolled on AHEP1531 prior to initiating protocol therapy; a patient will be ineligible if any chemotherapy is administered prior to AHEP1531 enrollment
  • Note: If the patient receives AHEP1531 chemotherapy emergently PRIOR to undergoing a diagnostic biopsy, pathologic review of material obtained in the future during either biopsy or surgical resection must either confirm the diagnosis of hepatoblastoma or not reveal another pathological diagnosis to be included in the analysis of the study aims
• Patients may have had surgical resection of the hepatic malignancy prior to enrollment; all other anti-cancer therapy for the current liver lesion is prohibited

• Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 60 mL/min/1.73 m^2 or

  • A serum creatinine based on age/gender as follows:

    • Age: maximum serum creatinine (mg/dL)
    • 1 month to < 6 months: 0.4 (male and female)
    • 6 months to < 1 year: 0.5 (male and female)
    • 1 to < 2 years: 06 (male and female)
    • 2 to < 6 years: 0.8 (male and female)
    • 6 to < 10 years: 1 (male and female)
    • 10 to < 13 years: 1.2 (male and female)
    • 13 to < 16 years: 1.5 (male), 1.4 (female)
    • >= 16 years: 1.7 (male), 1.4 (female)
• Total bilirubin =< 5 x upper limit of normal (ULN) for age
• Aspartate aminotransferase (AST) (serum glutamic-oxaloacetic transaminase [SGOT])/alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase [SGPT]) < 10 x upper limit of normal (ULN) for age
• Shortening fraction of >= 28% by echocardiogram (for patients on doxorubicin-containing regimens [Groups C, D, E2, and F] assessed within 8 weeks prior to study enrollment) or
• Ejection fraction of >= 47% by echocardiogram or radionuclide angiogram (for patients on doxorubicin-containing regimens [Groups C, D, E2, and F] assessed within 8 weeks prior to study enrollment)
• Group F patients only: QT/corrected QT (QTc) interval =< 450 milliseconds for males and =< 470 milliseconds for females (assessed within 8 weeks prior to study enrollment)
• Normal pulmonary function tests (including diffusion capacity of the lung for carbon monoxide [DLCO]) if there is clinical indication for determination (e.g. dyspnea at rest, known requirement for supplemental oxygen) (for patients receiving chemotherapy [Groups A, B, C, D, E2, F]); for patients who do not have respiratory symptoms or requirement for supplemental oxygen, pulmonary function tests (PFTs) are NOT required
• 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

Exclusion Criteria

• Prior chemotherapy or tumor directed therapy (i.e. radiation therapy, biologic agents, local therapy (embolization, radiofrequency ablation, and laser); therefore, patients with a pre-disposition syndrome who have a prior malignancy are not eligible
• Patients who are currently receiving another investigational drug
• Patients who are currently receiving other anticancer agents
• Patients with uncontrolled infection
• Patients who previously received a solid organ transplant, other than those who previously received an orthotopic liver transplantation (OLT) as primary treatment of their hepatocellular carcinoma
• Patients with hypersensitivity to any drugs on their expected treatment arm
• Group C: Patients who have known deficiency of dihydropyrimidine dehydrogenase (DPD)

• Group D:

  • Patients with chronic inflammatory bowel disease and/or bowel obstruction
  • Patients with concomitant use of St. John's wort, which cannot be stopped prior to the start of trial treatment

• Group F:

  • Patients with peripheral sensitive neuropathy with functional impairment
  • Patients with a personal or family history of congenital long QT syndrome

• These criteria apply ONLY to patients who may receive chemotherapy (all groups other than Group E1):

  • 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

    • Note for Group F: patients of childbearing potential should use effective birth control during treatment with sorafenib and for at least 2 weeks after stopping treatment