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Patients receive cisplatin 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.

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

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

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). After cycle 4, patients undergo surgery, then continue with 2 additional cycles of cisplatin.

Patients receive cisplatin IV over 6 hours on day 1. Treatment repeats every 14 days for up to 6 total cycles.

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.

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.

SIOPEL-4 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 during cycles 1 and 2 and days 1 and 2 during cycle 3. Treatment repeats every 28 days for up to 3 cycles in the absence of disease progression or unacceptable toxicity.

CONSOLIDATION: 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 up to 3 cycles in the absence of disease progression or unacceptable toxicity.

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. Treatment repeats every 28 days for up to 3 cycles in the absence of disease progression or unacceptable toxicity.

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 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 up to 6 cycles in the absence of disease progression or unacceptable toxicity.

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. Treatment repeats every 28 days for up to 3 cycles in the absence of disease progression or unacceptable toxicity.

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 90 minutes QD on days 1 to 5 of cycles 2, 4 and 6. Treatments repeat every 21 days for up to 6 cycles in the absence of disease progression or unacceptable toxicity.

Patients 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.

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 3-21. 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.

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.

Laboratory Biomarker Analysis

Patient Observation

Resection

Vincristine Sulfate

Gregory M Tiao

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.

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 2 cycles of cisplatin, then are assigned to 1 of 2 arms (resectable vs unresectable).

GROUP B2 ARM I (RESECTABLE): 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). After cycle 4, patients undergo surgery, then continue with 2 additional cycles of cisplatin.

GROUP B2 ARM II (UNRESECTABLE): Patients receive cisplatin IV over 6 hours on day 1. Treatment repeats every 14 days for up to 6 total cycles.

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.

Cisplatin and Combination Chemotherapy in Treating Children and Young Adults With Hepatoblastoma or Liver Cancer After Surgery

Pediatric Hepatic Malignancy International Therapeutic Trial (PHITT)

Failure free survival is defined as the time from randomization (or registration into the trial for non-randomized patients) to first failure event. Failure events are: progression of existing disease or occurrence of disease at new sites, death from any cause prior to disease progression, diagnosis of a second malignant neoplasm, or failure to go to resection.

Overall survival is defined as the time from randomization (or registration for non-randomized patients) to death from any cause.

The percentage of patients experiencing grade 3 or higher toxicity will be reported, where adverse events are graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events version 4.0.

Adverse events are graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events version 4.0.

Hearing loss will be measured according to the SIOP Boston Scale for ototoxicity.

Response in hepatocellular carcinoma (HCC) will be defined as complete (CR) or partial (PR) response according to Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 criteria. Response in HB will be defined as CR or PR based on radiological response (RECIST v1.1) and AFP decline.

Surgical resectability is defined as complete resection, partial resection or transplant following randomization (or enrollment for non-randomized patients).

Adherence to surgical guidelines is defined as the local clinician's surgical decision to resect or not compared to the current SIOPEL surgical guidelines.

EFS is defined as the time from randomization (or registration into the trial for non-randomized patients) to the first failure event where the failure events are defined as: progression of existing disease or occurrence of disease at new sites, death from any cause prior to disease progression, or diagnosis of a second malignant neoplasm. Patients who have not had an event will be censored at their last follow-up date. EFS for group A, group B1, group C, group D1, group D2 and E will be presented.

Group B patients who are unresectable after cycles 1 \& 2 of cisplatin treatment will be assigned to Group B2. These patients will receive cycles 3-6 of cisplatin treatment.

Response is defined as complete (CR) or partial (PR) response according to Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 criteria. Patients who are not assessable for response - e.g. because of early stopping of treatment or death - will be classified as non-responders.

Spots Global Cancer Trial Database for hepatocellular malignant neoplasm, not otherwise specified