Combination Chemotherapy Followed by Surgery and Peripheral Stem Cell or Bone Marrow Transplantation in Treating Infants With Newly Diagnosed Neuroblastoma

Overview

RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Combining chemotherapy with peripheral stem cell or bone marrow transplantation may allow the doctor to give higher doses of chemotherapy drugs and kill more tumor cells. PURPOSE: Phase II trial to study the effectiveness of combination chemotherapy given before surgery followed by peripheral stem cell or bone marrow transplantation in treating infants who have newly diagnosed neuroblastoma.

OBJECTIVES: * Determine the survival of infants with newly diagnosed stage II, III, IV, or IVS neuroblastoma with MYCN amplification treated with etoposide, carboplatin, cyclophosphamide, doxorubicin, and vincristine followed by surgery and busulfan and melphalan with autologous peripheral blood stem cell or bone marrow transplantation. * Determine whether there are prognostic criteria that could be used in future therapeutic stratification of these patients. OUTLINE: This is a multicenter study. Patients receive VP-CARBO chemotherapy comprising etoposide IV over 2 hours and carboplatin IV over 1 hour on days 1-3. Treatment repeats every 21 days for 2 courses. Patients then receive CADO chemotherapy comprising cyclophosphamide IV over 1 hour on days 1-5, doxorubicin IV over 6 hours on days 4 and 5, and vincristine IV on days 1 and 5. Treatment repeats every 21 days for 2 courses. Patients receive filgrastim (G-CSF) subcutaneously daily for 5 days. Patients undergo leukapheresis to collect peripheral blood stem cells (PBSC). Patients who do not mobilize sufficient cells undergo bone marrow harvest. Patients eligible for surgery undergo surgical resection. Patients with stage IV disease with less than complete response of metastatic disease after initial chemotherapy are removed from the study. Beginning within 2 weeks after surgery, patients receive 1 additional course of VP-CARBO chemotherapy followed by 1 additional course of CADO chemotherapy. After at least 3 weeks, patients receive high-dose chemotherapy comprising busulfan IV over 24 hours on days -7 to -3 and melphalan IV on day -2. PBSC or bone marrow are reinfused on day 0. At least 2 months after the completion of high-dose chemotherapy and bone marrow or PBSC transplantation, patients undergo radiotherapy to the primary site, according to preoperative imaging studies. Patients are treated with oral tretinoin after megatherapy. Patients are followed within 6 months and then annually for 5 years. PROJECTED ACCRUAL: A total of 40 patients will be accrued for this study within 4 years.

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