- Course 1: Patients receive paclitaxel IP on day 1, cyclophosphamide IV on day 2, and filgrastim (G-CSF) subcutaneously (SC) beginning on day 3 and continuing until apheresis is completed. Patients undergo apheresis until ≥ 2.5 X 10^6 CD34-positive cells/kg are collected. Two weeks later, patients proceed to course 2.