- Induction therapy: Patients receive paclitaxel IV over 3 hours on days 1 and 22, oral topotecan on days 2-4 and 23-25, and oral etoposide on days 5-7 and 26-28. Patients also receive filgrastim (G-CSF) subcutaneously daily beginning on days 8 and 29 and continuing until blood counts recover.