Abstract
The development of targeted therapies in AML patients enabling treatment individualization, such as new FLT3 tyrosine kinase inhibitors, is a promising option for improving treatment outcomes and prolonging patient survival. However, the treatment of patients with a high FLT3-ITD allelic ratio (FLT3-ITD high ) associated with an extremely unfavourable prognosis remains a major clinical problem. The study presents a case of a 20-year-old patient with FLT3-ITD high extramedullary AML at diagnosis. Individualized chemotherapy according to the DA ‘3 + 7’ regimen combined with midostaurin was administered. After the induction treatment, complete remission (CR) was not achieved. After second induction chemotherapy, CR1 was achieved with the presence of residua disease. One cycle of consolidation chemotherapy was then administered, and after myeloablative conditioning allogeneic hematopoietic stem cell transplantation from an unrelated donor was performed. The patient has remained in CR with no residual disease for 18 months.
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