A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study to Assess the Efficacy and Safety of Entospletinib in Combination with Intensive Induction and Consolidation Chemotherapy in Adults with Newly Diagnosed Nucleophosmin 1-mutated Acute Myeloid Leukemia
BLOOD(2021)
摘要
Background: Spleen tyrosine kinase (SYK) is a component of both lymphoid and myeloid cell signaling pathways and has been implicated in the pathogenesis of a subset of acute myeloid leukemia (AML) defined by dysregulated expression of the HOXA9 and MEIS1 transcription factors. Entospletinib (ENTO) is an oral, selective SYK inhibitor that is acceptably tolerated when administered with intensive induction and consolidation in newly diagnosed AML patients. In a phase 2 study, following induction with cytarabine and daunorubicin (7+3) plus ENTO, higher rates of complete response (CR) or CR with incomplete hematologic recovery (CRi) were observed in patients with rearrangements of the KMT2A (MLL) gene (MLL-r) and mutations of the nucleophosmin 1 (NPM1) gene, both of which are associated with aberrant expression of HOXA9 and MEIS1, as compared to patients without these mutations. In an exploratory analysis, patients with HOXA9/MEIS1 expression levels above the median experienced superior overall survival (OS) as compared to patients with expression levels below the median. In the AGILITY trial, we hypothesize that the addition of ENTO to intensive induction/consolidation in newly diagnosed patients with NPM1-mutated AML will improve the rate of CR without evidence of measurable residual disease (MRD-negative CR) post-induction and duration of event-free survival (EFS).
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关键词
entospletinib,acute myeloid leukemia,consolidation chemotherapy,efficacy,double-blind,placebo-controlled
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