135
Participants
Start Date
November 18, 2005
Primary Completion Date
December 22, 2023
Study Completion Date
December 19, 2024
Cyclophosphamide
Given IV
Cyclosporine
Given IV and PO
Double-Unit Umbilical Cord Blood Transplantation
Undergo double-unit UCBT
Fludarabine
Given IV
Laboratory Biomarker Analysis
Correlative studies
Mycophenolate Mofetil
Given IV and PO
Total-Body Irradiation
Undergo high-dose or moderate-intensity TBI
Umbilical Cord Blood Transplantation
Undergo UCBT
Thiotepa
Given IV
University of Colorado Hospital, Aurora
VA Puget Sound Health Care System, Seattle
Fred Hutch/University of Washington Cancer Consortium, Seattle
Fred Hutchinson Cancer Center
OTHER