Abstract
Graft-versus-host disease (GVHD) rates are higher after unrelated donor transplantation; thus, we examined whether there would be differences in transplant outcomes by graft type in children and adolescents with acute leukemia. The primary endpoint was overall survival. We studied 872 patients <18 years old who were transplanted with bone marrow (n = 650) or peripheral blood (n = 222) from unrelated donors. The characteristics of the 2 groups were comparable, except recipients of bone marrow were younger than recipients of peripheral blood (median age, 10 versus 12 years). Grades 2 to 4 (hazard ratio [HR], 1.48; P < .001) and grades 3 and 4 acute (HR, 1.69; P < .001) and chronic GVHD (HR, 1.92; P < .001) were higher with transplantation of peripheral blood than with bone marrow. Although relapse risks were lower after peripheral blood transplants (HR, 0.76; P = .05), transplant-related mortality (HR, 1.91; P = .003) and overall mortality (HR, 1.34; P = .032) were higher than with bone marrow transplants. The 8-year probability of overall survival after transplantation of bone marrow was 47% compared with 42% after peripheral blood. The 8-year probability of leukemia-free survival was 40% after transplantation of bone marrow and...Continue Reading
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Citations
May 28, 2019·Frontiers in Pediatrics·Jessica A NeelyKristin Ammon Shimano
Mar 27, 2021·Transfusion·Wolfgang RennertCorina Gonzalez
Jun 3, 2021·Journal of Personalized Medicine·Archana RamgopalRamasubramanian Kalpatthi