Reduced Intensity Regimen vs Myeloablative Regimen for Myeloid Leukemia or Myelodysplastic Syndrome (BMT CTN 0901)

Inclusion Criteria

• •Age equal or less than 65 years old and equal to or greater than 18 years old.
• •Patients with the diagnosis of MDS or AML with fewer than 5% myeloblasts in the bone marrow and no leukemic myeloblasts in the peripheral blood on morphologic analysis performed within 30 days of start of the conditioning regimen enrollment.
• •For patients receiving treatment of their MDS or AML prior to transplantation: a)Interval between the start of the most recent cycle of conventional cytotoxic chemotherapy and enrollment must be at least 30 days; b)Interval between completing treatment with a hypomethylating agent or other non-cytotoxic chemotherapy and enrollment must be at least 10 days.
• •Patients must have a related or unrelated bone marrow or peripheral blood donor who is human leukocyte antigen (HLA)-matched at 7 or 8 of 8 HLA-A, -B, -C and -DRB1 at high resolution using DNA-based typing.
• •HCT-Specific Comorbidity Index Score (HCT-CI) less than or equal to 4.
• •Organ function: a) Cardiac function: Ejection fraction greater than or equal to 40%; b) Hepatic function: total bilirubin less than or equal to 2 times the upper limit of normal and alanine aminotransferase (ALT) and aspartate aminotransferase (AST) less than or equal to 3 times the upper limit of normal.; c)Pulmonary function: Diffusing capacity of the lung for carbon monoxide (DLCO) greater than or equal to 40% and forced expiratory volume in one second (FEV1) greater than or equal to 50% (corrected for hemoglobin).
• •Creatinine clearance greater than or equal to 50mL/min based on the Cockcroft-Gault formula.
• •Signed informed consent.