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[摘要]：Importance of the field: Internal tandem duplication of the fms-like tyrosine kinase 3 (FLT3) gene (FLT3-ITD) is a common recurring mutation in acute myeloid leukemia (AML) with normal karyotype, and the presence of FLT3-ITD confers a poor prognosis on this large subgroup of AML patients. Since the discovery of lestaurtinib as a potent FLT3 inhibitor, in 1985, there has been considerable interest in the development of this agent (CEP-701, Cephalon, Frazer, PA, USA) for treatment of this population. Areas covered in this review: An extensive literature search was conducted that included published articles and abstracts on the preclinical and clinical development of this agent spanning the last decade. What the reader will gain: The review describes the historical development of this agent and reviews the available preclinical and clinical data on lestaurtinib and expands on potential future directions in development of this agent. Take home message: Lestaurtinib is a multi targeted tyrosine kinase inhibitor which has been shown to potently inhibit FLT3 at nanomolar concentrations in preclinical studies, leading to its rapid development as a potential targeted agent for treatment of AML. Phase I studies have shown lestaturtinib to be an active agent particularly when used in combination with cytotoxic drugs. Currently, Phase II and Phase III studies are underway aiming to establish the future of this agent as a treatment option for patients with FLT3-ITD AML. |
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