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‹ Sat · 25 Jul 2026
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KRAS Mutations Predict Inferior Post-Remission Outcomes in Newly Diagnosed Acute Myeloid Leukemia With MAPK Pathway Mutations.

A specific genetic mutation in blood cancer independently predicts worse outcomes, identifying a subgroup that may benefit from mutation-targeted drugs.

Retrospective analysis of 74 MAPK-mutated AML patients demonstrates KRAS mutations independently confer inferior post-remission OS (HR 2.14) and RFS compared to other MAPK pathway mutations, suggesting KRAS-mutated AML is a distinct high-risk subgroup. These findings, while limited by single-center retrospective design, support evaluation of KRAS-targeting approaches in AML and validation in larger multicenter cohorts.

What the study was

Study design
Retrospective single-center cohort study (n=74; logistic and Cox regression)
Population
Newly diagnosed MAPK-mutated AML patients at University of Iowa Health Care
Sample size
74
Category
Genomics/Precision Medicine
Maturity
Exploratory
Journal
European journal of haematology

Why it surfaced

Largest focused KRAS-specific prognostic analysis in MAPK-mutated AML context (n=74). Single-center retrospective limits evidence, but KRAS-mutated AML is an emerging targetable subgroup with RAS inhibitors in development. Eur J Haematol.

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