ArticleInternational journal of molecular sciences2026
Genomic Profiling, Induction Response, and Transplant Outcomes in Pediatric Acute Myeloid Leukemia: A Single-Center Retrospective Cohort Study.
Article in International journal of molecular sciences, 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
Pediatric acute myeloid leukemia (AML) is biologically heterogeneous, and genomic profiling increasingly informs risk stratification and treatment. We evaluated the relationship between induction response, genomic risk, transplant allocation, and survival in pediatric AML. We retrospectively analyzed 38 pediatric patients with newly diagnosed AML, treated between 2020 and 2025. Clinical, cytogenetic, molecular, treatment, and outcome data were collected. Genomic alterations were assessed using cytogenetics, fluorescence in situ hybridization (FISH), molecular testing, and next-generation sequencing (NGS). Survival was estimated by Kaplan-Meier analysis, and prognostic factors for event-free survival (EFS) were assessed using univariable Cox regression. This study is exploratory given the limited sample size and should be interpreted accordingly. Complete remission (CR) after the first course of induction was achieved in 25/38 patients (65.8%), partial remission (PR) in 3/38 (7.9%), and refractory disease in 10/38 (26.3%). Twenty-four patients underwent allogeneic hematopoietic stem cell transplantation; 17/24 (70.8%) were alive at last follow-up, with a 2-year overall survival rate of 72.9%. Both induction response and genomic risk stratification showed suggestive associations with outcome; descriptively, induction response showed the strongest prognostic discrimination, with achievement of CR associated with markedly improved survival. High cytogenetic risk and FLT3-ITD were significantly associated with inferior EFS. Post-induction measurable residual disease (MRD) positivity was detected in 16 of 38 patients (42.1%) and was associated with suboptimal induction response; MRD negativity did not uniformly preclude adverse outcomes, particularly in the high-risk genomic subgroup. Genomic profiling refined biological risk and post-remission treatment allocation. Integrated assessment of genomic risk, induction response, and MRD status may improve therapeutic stratification in pediatric AML.
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