- Patients receive induction chemotherapy comprising vincristine IV, carboplatin IV over 1 hour, and etoposide IV over 4 hours on days 1 and 41; vincristine IV and cisplatin IV over 24 hours on days 11, 31, 51, and 71; and vincristine IV on days 21 and 61 and cyclophosphamide IV and etoposide over 4 hours on days 21, 22, 61, and 62. Patients receive filgrastim (G-CSF) subcutaneously on days 3-8, 12-18, 23-28, 32-38, 43-48, 52-58, 63-68, and 72 until peripheral blood stem cell (PBSC) collection.