Infusion of Expanded Cord Blood Cells in Addition to Single Cord Blood Transplant in Treating Patients With Acute Leukemia, Chronic Myeloid Leukemia, or Myelodysplastic Syndromes

Conditions:   Acute Biphenotypic Leukemia;   Acute Lymphoblastic Leukemia in Remission;   Acute Myeloid Leukemia in Remission;   Blasts Under 10 Percent of Bone Marrow Nucleated Cells;   Blasts Under 5 Percent of Bone Marrow Nucleated Cells;   Chronic Myelogenous Leukemia, BCR-ABL1 Positive ;   Cytogenetic Abnormality;   High Risk Myelodysplastic Syndrome;   Myelodysplastic Syndrome With Excess Blasts;   Pancytopenia;   Refractory Anemia Interventions:   Drug: Cyclophosphamide;   Drug: Fludarabine;   Other: Laboratory Biomarker Analysis;   Drug: Thiotepa;   Radiation: Total-Body Irradiation;   Biological: Umbilical Cord Blood-derived Hematopoietic CD34-positive Progenitor Cells;   Procedure: Umbilical Cord Blood Transplantation Sponsors:   Fred Hutchinson Cancer Research Center;   National Cancer Institute (NCI);   National Heart, Lung, and Blood Institute (NHLBI) Not yet recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials