- Intensification course I: Patients receive ARA-C IV over 1 hour twice daily on days 1-5; ARA-C IT as in induction II; and etoposide IV over 1 hour on days 1-5. Patients are evaluated at day 28. Patients with a 5/6 or 6/6 matched family donor proceed to allogeneic bone marrow transplantation. All other patients in complete remission proceed to intensification course II.