Matching at Human Leukocyte Antigen-C Improved the Outcomes after Double Umbilical Cord Blood Transplantation for Recipients of Two to Four of Six Human Leukocyte Antigen-Matched Grafts
In patients receiving 2–4/6 HLA matched UCB unit, additional matching at HLA-C reduces mortality and improves survival. In patients receiving 5–6/6 HLA matched UCB units, further matching at HLA-C offers no additional benefit.