Patients must have resolved any serious infectious complications related to induction* NOTE: Patients with an HLA-matched donor and proceeding to transplant will be allowed up to one cycle of consolidation treatment Any significant medical complications related to induction must have resolved Patients must have resolved any serious infectious complications related to consolidation cycle 2 Any significant medical complications related to consolidation cycle 2 must have resolved Patients must have resolved any serious infectious complications related to induction Any significant medical complications related to induction must have resolved Patients must have resolved any serious infectious complications related to therapy Any significant medical complications related to therapy must have resolved CRITERIA FOR MAINTENANCE THERAPY-STEP 4: Patients must have resolved any serious infectious complications related to therapy CRITERIA FOR MAINTENANCE THERAPY-STEP 4: Any significant medical complications related to therapy must have resolved All non-hematologic treatment related toxicities that are deemed clinically significant by the treating investigator must have resolved to =< grade 2 Registration Step 3 Maintenance: All non-hematologic treatment related toxicities that are deemed clinically significant by the treating investigator must have resolved to =< grade 2 All acute, clinically significant treatment-related toxicity from prior therapy, except for alopecia, must have resolved to grade =< 1 prior to study entry All acute, clinically significant treatment-related toxicity from prior therapy, except for alopecia, must have resolved to grade =< 1