Low-Dose Anti-T Lymphoglobulin as Prophylaxis for Graft-versus-Host Disease in Unrelated Donor Transplantations for Acute Leukemias and Myelodysplastic Syndromes

Biology of Blood and Marrow Transplantation : Journal of the American Society for Blood and Marrow Transplantation
Francesca BonifaziMario Arpinati

Abstract

Chronic graft-versus-host disease (cGVHD) is a major complication after stem cell transplantation (HSCT). Several randomized studies already demonstrated that anti-T lymphoglobulin (ATLG) is effective in preventing GVHD after myeloablative unrelated and HLA-identical sibling transplants. However, the issue of doses and the potential increase of relapses still remain unsolved. Here we report data on 190 patients with acute leukemia and myelodysplastic syndrome who underwent an unrelated HSCT with low-dose ATLG (15 to 30 mg/kg) given at an earlier timing (days -6 to -2). HSCT was performed from HLA 10/10 (n = 62, 33%), 9/10 (n = 91, 48%), 8/10 (n = 30, 16%), and <8/10 (n = 7, 4%) identical unrelated donor. Peripheral blood was the stem cell source in 42% (n = 80). Median follow-up was 51 months. Grades II to IV and III to IV acute GVHD were 26% and 9%, respectively, and 2-year overall and moderate to severe cGVHD were 23% and 14%, respectively. The 3-year incidences of relapse and nonrelapse mortality were 26% and 18%, respectively. The rates of 3-year overall survival (OS), disease-free survival (DFS), and GVHD-free and relapse-free survival (GRFS) were 60%, 56% and 44%, respectively. Factors such as younger donor, good performa...Continue Reading

Citations

Mar 14, 2020·Biology of Blood and Marrow Transplantation : Journal of the American Society for Blood and Marrow Transplantation·Francine HeelanNatasha Kekre
Jun 11, 2021·Bone Marrow Transplantation·Francesca BonifaziMario Arpinati
Jan 4, 2022·American Journal of Hematology·Fumiya WadaUNKNOWN Donor/Source Working Group of the Japan Society for Hematopoietic Cell Transplantation

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