Abstract
Mutations in the FMS-like tyrosine kinase 3 (FLT3) gene occur in approximately 25-45% of new diagnoses of Acute myeloid leukemia. The addition of FLT3 inhibitors to conventional protocols improves overall survival in this condition. Objectives: To assess the incidence of FLT3 gene mutation among patients diagnosed with AML at Walter Cantídio University Hospital; Describe access to FLT3 inhibitors and bone marrow transplantation (BMT), and the overall survival of this group. Methodology: Retrospective evaluation of medical records of patients treated for AML between 2020 and 2022. Statistical analysis was performed using the Kaplan-Meier method to estimate survival probability. Results: 47 patients were diagnosed with AML during this period, of whom 17% had FLT3+ mutation. 3/8 patients accessed FLT3 inhibitors. The median survival with FLT3+ mutation was 9.1 months vs. 12.9 months in FLT3- (p = 0.196). The overall survival of AML patients was 30.9% at 2 years. 11/47 patients underwent allogeneic BMT. Conclusion: The addition of targeted therapies and BMT may contribute to reduce mortality in AML. Elderly patients and those not undergoing HSCT have worse outcomes.
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