- Course 2: Patients receive cisplatin IP and melphalan IV on days -11 and -4 and topotecan hydrochloride by continuous infusion over 120 hours on days -10 to -6. Patients receive 25% of their peripheral blood stem cells (PBSCs) on day -3 and G-CSF IV beginning on day -3 and continuing until blood counts recover. Patients receive their remaining PBSCs on day 0.