2. One of the following: a. Acute leukemia past first remission, in first or subsequent relapse, in second or greater remission. Patients in first remission should have with intermediate or high cytogenetic risk factors or flt3 mutation. Patients with relapsed disease. Patients with primary induction failure or relapse are eligible if they have < 10% bone marrow blasts, and no circulating blasts. b. Myelodysplastic syndrome with intermediate or high risk IPSS score, or treatment related MDS. c. CML resistant to tyrosine kinase treatment in a first or subsequent chronic phase or after transformation to accelerated phase or blast crisis.