{"denoms":[{"counts":[{"groupId":"OG000","value":"0"}],"units":"Participants"}],"description":"Characterize immune reconstitution post myeloablative haploidentical BMT with Post transplantation cyclophosphamide (PT/Cy).","groups":[{"description":"Patients with acute myelogenous leukemia (AML) and myelodysplastic syndrome (MDS):\n\nDays -6 through -3: Busulfan q 5-6h IV q24h x 4 days Days -2 and -1: Cyclophosphamide 50mg/kg/day IV x 2 days+ Mesna 40 mg/kg/day IV\n\nFor patients with acute lymphocytic leukemia (ALL) and lymphoblastic lymphoma:\n\nDays -5 through -4: Cyclophosphamide 50mg/kg/day IV q24h x 2 days+Mesna 40 mg/kg/day IV Days -3 through -1: total body irradiation (TBI) 200 Centigray (cGy) twice a day for 3 days All patients Day 0: Infuse unmanipulated bone marrow Day +3 and +4: Cyclophosphamide 50 mg/kg/day IV + Mesna 40 mg/kg IBW/day IV Day +5: Begin tacrolimus 0.015mg/kg IBW/dose IV over 4 hours q 12h and mycophenolate mofetil (MMF)15mg/kg po/IV tid with maximum daily dose 3 gm/day Day +30: Assess chimerism and disease status in bone marrow Day +35: Discontinue MMF Day +60: Assess chimerism and disease status in bone marrow Day 180: Discontinue tacrolimus Cyclophosphamide: Chemotherapy administration TBI: Radiation Therapy Busulfan: Chemotherapy Administered Unmanipulated Bone Marrow: Bone Marrow Transplant Tacrolimus: Immunosuppressive Drug Administered Mycophenolate mofetil: Immunosuppressive Drug Administered","id":"OG000","title":"Haploidentical BMT With PTCy for Acute Leukemias and MDS"}],"populationDescription":"Blood samples collected were not analyzed due to lack of funding. No data was generated.","reportingStatus":"POSTED","timeFrame":"Two Years","title":"Immune Reconstitution","type":"SECONDARY"}