Abstract:
:ABO incompatibility is commonly observed in stem cell transplantation and its impact in this setting has been extensively investigated. HLA-mismatched unrelated donors (MMURD) are often used as an alternative stem cell source but are associated with increased transplant related complications. Whether ABO incompatibility affects outcome in MMURD transplantation for acute myeloid leukemia (AML) patients is unknown. We evaluated 1,013 AML patients who underwent MMURD transplantation between 2005 and 2014. Engraftment rates were comparable between ABO matched and mismatched patients, as were relapse incidence [34%; 95% confidence interval (CI), 28-39; for ABO matched vs. 36%; 95% CI, 32-40; for ABO mismatched; P = .32], and nonrelapse mortality (28%; 95% CI, 23-33; for ABO matched vs. 25%; 95% CI, 21-29; for ABO mismatched; P = .2). Three year survival was 40% for ABO matched and 43% for ABO mismatched patients (P = .35), Leukemia free survival rates were also comparable between groups (37%; 95% CI, 32-43; for ABO matched vs. 38%; 95% CI, 33-42; for ABO mismatched; P = .87). Incidence of grade II-IV acute graft versus host disease was marginally lower in patients with major ABO mismatching (Hazard ratio of 0.7, 95% CI, 0.5-1; P = .049]. ABO incompatibility probably has no significant clinical implications in MMURD transplantation.
journal_name
Am J Hematoljournal_title
American journal of hematologyauthors
Canaani J,Savani BN,Labopin M,Michallet M,Craddock C,Socié G,Volin L,Maertens JA,Crawley C,Blaise D,Ljungman PT,Cornelissen J,Russell N,Baron F,Gorin N,Esteve J,Ciceri F,Schmid C,Giebel S,Mohty M,Nagler Adoi
10.1002/ajh.24771subject
Has Abstractpub_date
2017-08-01 00:00:00pages
789-796issue
8eissn
0361-8609issn
1096-8652journal_volume
92pub_type
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