Patients then receive course 1 of high-dose chemotherapy beginning on day -7 with paclitaxel IV over 24 hours. On days -6 to -4, patients receive etoposide IV over 2 hours and carboplatin (CBDCA) IV over 30 minutes 3 times daily. Following a 2 or 3 week recovery, a second course of chemotherapy begins on day -7, consisting of paclitaxel IV over 24 hours, then CBDCA and ifosfamide on days -6 to -4.