- Patients who are eligible for Allo-BMT, have a sibling donor, and are age 55 and under receive induction therapy for a maximum of 1 year and then proceed to regimen B. Patients who are eligible for Allo-BMT, have an unrelated donor, and are age 45 and under receive induction therapy for 12-18 months. Those patients with cytogenetic remission receive induction therapy for up to 2 years and then proceed to regimen B. Those patients without cytogenetic remission proceed directly to regimen B. Patients who are ineligible for Allo-BMT, but are eligible for autologous BMT (AuBMT) or peripheral blood stem cell transplantation (PBSCT) receive induction therapy for a maximum of 1 year and then proceed to regimen C. Patients who are ineligible for Allo-BMT and achieve hematologic complete remission (CR) within 3 months receive induction therapy for 18 months. Those patients with cytogenetic remission proceed directly to regimen A. Those patients without cytogenetic remission proceed to randomization on regimen B. Patients who are ineligible for Allo-BMT and fail to achieve hematologic CR within 9 months proceed to randomization on regimen B. All other patients who are ineligible for Allo-BMT receive induction therapy for 1 year. Those patients with cytogenetic remission proceed to regimen A. Those patients without cytogenetic remission proceed to randomization on regimen B.