[EN] TEAD INHIBITORS AND USES THEREOF<br/>[FR] INHIBITEURS DE TEAD ET LEURS UTILISATIONS
申请人:IKENA ONCOLOGY INC
公开号:WO2020243423A1
公开(公告)日:2020-12-03
The present invention provides compounds, compositions thereof, and methods of using the same.
本发明提供了化合物、其组合物以及使用它们的方法。
Discovery of 4‐(4‐aminophenyl)‐6‐phenylisoxazolo[3,4‐
<i>b</i>
]pyridine‐3‐amine derivatives as novel FLT3 covalent inhibitors for the intervention of acute myeloid leukemia
AbstractSmall molecule covalent drugs have proved to be desirable therapies especially on drug resistance related to point mutations. Secondary mutations of FLT3 have become the main mechanism of FLT3 inhibitors resistance which further causes the failure of treatment. Herein, a series of 4‐(4‐aminophenyl)‐6‐phenylisoxazolo[3,4‐b]pyridine‐3‐amine covalent derivatives were synthesized and optimized to overcome the common secondary resistance mutations of FLT3. Among these derivatives, compound F15 displayed potent inhibition activities against FLT3 (IC50 = 123 nM) and FLT3‐internal tandem duplication (ITD) by 80% and 26.06%, respectively, at the concentration of 1 μM. Besides, F15 exhibited potent activity against FLT3‐dependent human acute myeloid leukemia (AML) cell lines MOLM‐13 (IC50 = 253 nM) and MV4‐11 (IC50 = 91 nM), as well as BaF3 cells with variety of secondary mutations. Furthermore, cellular mechanism assays indicated that F15 inhibited phosphorylation of FLT3 and its downstream signaling factors. Notably, F15 could be considered for further development as potential drug candidate to treat AML.