{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T15:21:51Z","timestamp":1781104911341,"version":"3.54.1"},"reference-count":27,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2024,1,2]],"date-time":"2024-01-02T00:00:00Z","timestamp":1704153600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["American J Hematol"],"published-print":{"date-parts":[[2024,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In the 2022 European LeukemiaNet classification, patients with <jats:italic>nucleophosmin 1 (NPM1)<\/jats:italic>\u2010mutated acute myeloid leukemia (AML) were classified in the adverse\u2010risk category in the presence of high\u2010risk cytogenetics (CG). Nonetheless, the impact of various CG aberrations on posttransplant outcomes remains to be unraveled. This registry study analyzed adult patients with <jats:italic>NPM1<\/jats:italic>\u2010mutated de novo AML who underwent their first allogeneic hematopoietic cell transplantation in the first complete remission from 2005 to 2021. A total of 3275 patients were identified, 2782 had normal karyotype, 493 had chromosomal aberrations including 160 with adverse\u2010risk CG, 72 patients had complex karyotype (CK), and 66 monosomal karyotype (MK). Overall, 2377 (73%) patients had <jats:italic>FLT3<\/jats:italic>\u2010ITD. On univariate analysis, only <jats:italic>FLT3<\/jats:italic>\u2010ITD, minimal\/measurable residual disease (MRD) positivity and CK, but not abnormal CG, affected posttransplant outcomes. On multivariable analysis, CK was associated with lower overall survival (OS) (hazard ratio [HR] 1.72, <jats:italic>p<\/jats:italic>\u2009=\u2009.009). In the subgroup of 493 patients with aberrant CG, the 2\u2010year leukemia\u2010free survival (LFS) and OS were around 61% and 68%, respectively. On multivariable analysis for this subgroup, CK and MRD positivity were associated with increased risk of relapse (HR 1.7, <jats:italic>p<\/jats:italic>\u2009=\u2009.025; and 1.99, <jats:italic>p<\/jats:italic>\u2009=\u2009.003 respectively) and worse LFS (HR 1.62, <jats:italic>p<\/jats:italic>\u2009=\u2009.018; and 1.64, <jats:italic>p<\/jats:italic>\u2009=\u2009.011 respectively) while <jats:italic>FLT3\u2010<\/jats:italic>ITD, MK, or other CG abnormalities had no significant effect. Importantly, CK negatively affected OS (HR 1.91, <jats:italic>p<\/jats:italic>\u2009=\u2009.002). In the first complete remission transplant setting, CK was found as the only cytogenetic risk factor for worse outcomes in <jats:italic>NPM1<\/jats:italic>\u2010mutated AML. Nevertheless, even for this subgroup, a significant proportion of patients can achieve long\u2010term posttransplant survival.<\/jats:p>","DOI":"10.1002\/ajh.27187","type":"journal-article","created":{"date-parts":[[2024,1,2]],"date-time":"2024-01-02T16:26:25Z","timestamp":1704212785000},"page":"360-369","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Complex karyotype but not other cytogenetic abnormalities is associated with worse posttransplant survival of patients with nucleophosmin 1\u2010mutated acute myeloid leukemia: A study from the European Society for Blood and Marrow Transplantation Acute Leukemia Working Party"],"prefix":"10.1002","volume":"99","author":[{"given":"Nour","family":"Moukalled","sequence":"first","affiliation":[{"name":"Bone Marrow Transplantation Program, Department of Internal Medicine American University of Beirut Medical Center  Beirut 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