OUTLINE: This is a randomized, open label, multicenter study. Patients are randomized to one of two treatment arms. All patients receive etoposide IV over 1 hour on days 1-4, cisplatin IV continuously on days 1-4, methylprednisolone IV over 15 minutes on days 1-5, and cytarabine IV over 2 hours on day 5. Treatment is repeated every 21 days for up to 4 courses. Arm I: Patients receive filgrastim-SD/01 subcutaneously (SQ) on day 6. Arm II: Patients receive filgrastim (G-CSF) SQ daily beginning on day 6 and continuing for 12 days or until blood counts recover.