1.	Peripheral Blood Stem Cell Transplant in Treating Patients With Hematologic Cancer. Note: The information about this trial has not been updated by the sponsor/principal investigator/lead organization. Cancer.gov cannot verify the accuracy of the information. Phase: Phase II Type: Treatment Status: Active Age: 65 and under Sponsor: NCI Protocol IDs: CPMC-IRB-AAAA5571, CPMC-CAMP-016, NCI-G00-1891, NCT00008216
2.	Umbilical Cord Blood for Stem Cell Transplantation in Treating Young Patients With Malignant or Nonmalignant Diseases. Note: The information about this trial has not been updated by the sponsor/principal investigator/lead organization. Cancer.gov cannot verify the accuracy of the information. Phase: Phase II Type: Treatment Status: Active Age: 21 and under Sponsor: Other Protocol IDs: PSCI-2003-232, NCT00084695
3.	Reduced Intensity Hematopoietic Cell Transplantation for Patients With Resistant Langerhans Cell Histiocytosis Phase: Phase II Type: Treatment Status: Active Age: Any age Sponsor: Other Protocol IDs: 2007UC002, UMN-0612M98407, LCH-HCT-2006, UMN-MT2006-07, UMN-2007UC002, NCT00618540