ArticleBone marrow transplantation2026
Impact of molecular profiling in patients with acute myeloid leukemia undergoing allogeneic transplantation in first remission: a study by the PETHEMA group.
Article in Bone marrow transplantation, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Acute myeloid leukemia (AML) is a heterogeneous malignancy with a poor prognosis. Genetic and molecular profiling help guide treatment decisions, including the use of allogeneic hematopoietic stem cell transplantation (allo-HSCT), to reduce relapse risk. This study evaluated the impact of individual and co-mutational genetic profiles in AML patients in first complete remission after receiving allo-HSCT using data from the PETHEMA registry. A retrospective analysis assessed overall survival and relapse-free survival (RFS). Cox regression identified significant variables used to develop a risk score based on hazard ratios, incorporating age, AML type, transplant timing, and genetic/molecular alterations. A total of 717 patients (median age 56.5 years) were included, most classified as adverse risk by ELN2022 criteria. Both ELN2017 and ELN2022 risk classifications were validated. Multivariate analysis showed that DNMT3A, SF3B1, TP53, and WT1 mutations were linked to shorter RFS, whereas FLT3-ITD mutations correlated with prolonged RFS. These findings were integrated into a proposed prognostic score, which was validated. Therefore, this study highlights the prognostic importance of genetic mutations in AML patients undergoing allo-HSCT. These insights could inform pre-transplant strategies, including donor selection and conditioning regimens, as well as post-transplant maintenance therapy.
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