Double Cord Versus Haploidentical (BMT CTN 1101)

Inclusion criteria

• ✓. Patients must have available two UCB units fulfilling the following criteria:
• ✓. Each unit must have a minimum of 1.5 x 10\^7/kg pre-cryopreserved total nucleated cell dose. For non-red blood cell depleted units, the minimum pre-cryopreserved total nucleated cell dose of each unit must be at least 2.0 x10\^7/kg.
• ✓. Units must be HLA matched at a minimum of 4/6 to the recipient at HLA -A, HLA-B (at low resolution using DNA based typing), and HLA -DRB1 (at high resolution using DNA based typing).
• ✓. Additional graft selection criteria specified in section 2.5
• ✓. Patients must have received at least one cycle of the cytotoxic chemotherapy regimens (or regimen of similar intensity) listed in Appendix D within 3 months of enrollment (measured from the start date of chemotherapy) OR have had an autologous transplant within 24 months of enrollment OR receive 300 cGy as part of the preparative regimen