{"groups":[{"description":"Patients undergo total-body irradiation on days -7 to -4, and receive cyclophosphamide intravenous (IV) over 1 hour on days -3 and -2, methylprednisolone IV twice daily on days -3 to -1, and anti-thymocyte globulin IV over 4 hours on days -3 to -1.","id":"FG000","title":"Pediatric Myeloablative Conditioning"},{"description":"Patients receive fludarabine phosphate intravenous (IV) over 30 minutes on days -6 to -4, cyclophosphamide IV over 1 hour on days -5 and -4, and undergo total-body irradiation on days -3 to -1.","id":"FG001","title":"Adult Myeloablative Conditioning"},{"description":"Patients receive fludarabine phosphate intravenous (IV) over 30 minutes on days -6 to -2 and cyclophosphamide IV over 1 hour on day -6 and undergo total-body irradiation on day -1.","id":"FG002","title":"Reduced-intensity Conditioning"}],"periods":[{"dropWithdraws":[{"reasons":[{"groupId":"FG000","numSubjects":"1"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"0"}],"type":"Death"}],"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"2"},{"groupId":"FG001","numSubjects":"3"},{"groupId":"FG002","numSubjects":"1"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"1"},{"groupId":"FG001","numSubjects":"3"},{"groupId":"FG002","numSubjects":"1"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"1"},{"groupId":"FG001","numSubjects":"0"},{"groupId":"FG002","numSubjects":"0"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}],"preAssignmentDetails":"A total of 7 people signed consent to take part in this study. Of those, 1 was determined to be ineligible.","recruitmentDetails":"Recruitment period = 9/23/2005 through 8/15/2008"}