NCT00084916 2013-01-23CCI-779 in Treating Patients With Relapsed or Refractory Acute Myeloid Leukemia, Acute Lymphoblastic Leukemia, Myelodysplastic Syndromes, or Chronic Myelogenous Leukemia in Blastic PhaseNational Cancer Institute (NCI)Phase 2 Completed74 enrolled