{"denoms":[{"counts":[{"groupId":"OG000","value":"0"}],"units":"Participants"}],"description":"To define the dose of MEL required for the establishment of peripheral T cell tolerance with concomitant immune reconstitution.","groups":[{"description":"REDUCED INTENSITY CONDITIONING: Patients receive fludarabine phosphate IV over 60 minutes on days -11 to -8 and thiotepa IV (cytarabine IV as of February 2012) over 2 hours on days -11 to -9. Patients undergo TBI on day -6. Patients receive melphalan IV over 20 minutes on days -3 and -2.\n\nTRANSPLANTATION: Patients undergo DLI on day -6 and allogeneic CD-34+ peripheral blood stem cell transplantation on day 0.\n\nGVHD PROPHYLAXIS: Patients receive tacrolimus IV or PO beginning on day -1 with taper beginning on day 42 and receive MMF IV BID on days -1 to day 28.","id":"OG000","title":"Transplant Treatment Group"}],"reportingStatus":"POSTED","timeFrame":"100 days post-transplant","title":"Phase 1: Defined Dose of Melphalan (MEL)","type":"PRIMARY"}