Congenital Amegakaryocytic Thrombocytopenia - 6 Studies Found Completed : Donor Stem Cell Transplant in Treating Young Patients With Myelodysplastic Syndrome, Leukemia, Bone Marrow Failure Syndrome, or Severe Immunodeficiency Disease : Congenital Amegakaryocytic Thrombocytopenia Leukemia : 2006-02-23 : Biological: anti-thymocyte globulin Biolog Completed : Alemtuzumab, Fludarabine, and Busulfan Followed By Donor Stem Cell Transplant in Treating Young Patients With Hematologic Disorders : Congenital Amegakaryocytic Thrombocytopenia Diamond-blackfan An : 2006-03-09 : Biological: alemtuzumab Drug: busulfan Completed : Busulfan, Antithymocyte Globulin, and Fludarabine Followed By a Donor Stem Cell Transplant in Treating Young Patients With Blood Disorders, Bone Marrow Disorders, Chronic Myelogenous Leukemia in First Chronic Phase, or Acute Myeloid Leukemia in First Remission : Congenital Amegakaryocytic Thrombocytopenia Diamond-blackfan An : 2006-03-21 : Biological: anti-thymocyte globulin Drug: Active, not recruiting : Fludarabine Phosphate, Melphalan, and Low-Dose Total-Body Irradiation Followed by Donor Peripheral Blood Stem Cell Transplant in Treating Patients With Hematologic Malignancies : Accelerated Phase Chronic Myelogenous Leukemia Adult Acute Lymphoblastic Leukemia in Remissi : 2012-02-06 : Drug: fludarabine phosphate Gi Completed : Unrelated Hematopoietic Stem Cell Transplantation(HSCT) for Genetic Diseases of Blood Cells : Sickle Cell Disease Thalassemia Anemia Primary Immunodeficiency Syndromes Congenital Bone Marrow Failure Syndromes Drug: Hydroxyurea Hydroxyurea