Allogeneic peripheral blood stem cell transplantation with anti-thymocyte globulin versus allogeneic bone marrow transplantation without anti-thymocyte globulin.
[en] We compared severe graft-versus-host-disease free and relapse-free survival and other transplantation outcomes of acute myeloid leukemia patients given bone marrow without anti-thymocyte globulin, versus peripheral blood stem cells with anti-thymocyte globulin after myeloablative conditioning. In the cohort of patients receiving grafts from a human-leukocyte-antigen matched sibling donor, patients given peripheral blood stem cells with anti-thymocyte globulin (n=1,021) and those given bone marrow without anti-thymocyte globulin (n=1,633) presented comparable severe graft-versus-host-disease free and relapse-free (HR=0.9, 95% CI: 0.8-1.1, P=0.5) and overall (HR=1.0, 95% CI: 0.8-1.2, P=0.8) survival. They had however, a lower incidence of chronic graft-versus-host disease (HR=0.7, 95% CI: 0.6-0.9; P=0.01). In the cohort of patients receiving grafts from human-leukocyte-antigen matched unrelated donor, patients given peripheral blood stem cells with anti-thymocyte globulin (n=2,318) had better severe graft-versus-host-disease free and relapse-free survival than those given bone marrow without anti-thymocyte globulin (n=303) (HR=0.8, 95% CI: 0.6-0.9, P=0.001). They also had a lower incidence of chronic graft-versus-host disease (HR=0.6, 95% CI: 0.5-0.8, P=0.0006) and better overall survival (HR=0.8, 95% CI: 0.6-1.0, P=0.04). In summary, these data suggest that peripheral blood stem cells with anti-thymocyte globulin results in comparable (in the case of sibling donor) or significantly better (in the case of unrelated donor) severe graft-versus-host-disease free and relapse-free survival than bone marrow without anti-thymocyte globulin in patients with acute myeloid leukemia in complete remission receiving grafts after myeloablative conditioning.
Allogeneic peripheral blood stem cell transplantation with anti-thymocyte globulin versus allogeneic bone marrow transplantation without anti-thymocyte globulin.
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