- Induction: Patients receive CTX IV over 1 hour on days 1-5 of weeks 0 and 3; VP-16 IV over 1 hour (after CTX infusion) on days 1-5 of weeks of 0 and 3 and on days 1-3 of weeks 6 and 9; and carboplatin (CBDCA) IV over 6 hours on days 1 and 2 of weeks 6 and 9 in the absence of disease progression. G-CSF is administered SC beginning 24 hours after completion of CTX/VP-16 or CBDCA/VP-16 and continuing until blood counts recover.