Discovery and Characterization of AZD6738, a Potent Inhibitor of Ataxia Telangiectasia Mutated and Rad3 Related (ATR) Kinase with Application as an Anticancer Agent
作者:Kevin M. Foote、J. Willem M. Nissink、Thomas McGuire、Paul Turner、Sylvie Guichard、James W. T. Yates、Alan Lau、Kevin Blades、Dan Heathcote、Rajesh Odedra、Gary Wilkinson、Zena Wilson、Christine M. Wood、Philip J. Jewsbury
DOI:10.1021/acs.jmedchem.8b01187
日期:2018.11.21
characteristics. Compound 2 was developed improving aqueous solubility and eliminating CYP3A4 time-dependent inhibition starting from the earlier described inhibitor 1 (AZ20). The clinical candidate 2 has favorable human PK suitable for once or twice daily dosing and achieves biologically effective exposure at moderate doses. Compound 2 is currently being tested in multiple phase I/II trials as an anticancer
激酶共济失调毛细血管扩张突变和 rad3 相关 (ATR) 是 DNA 损伤反应和顶端激酶的关键调节器,它协调修复停滞的复制叉(复制压力)和相关的 DNA 双链断裂的细胞过程。在替代途径不太活跃的情况下,抑制 ATR 介导的修复途径有望通过增加复制压力来帮助临床反应。在这里,我们描述了临床候选药物2 (AZD6738)的开发,这是一种有效且选择性的亚砜亚胺吗啉代嘧啶 ATR 抑制剂,具有出色的临床前理化和药代动力学 (PK) 特性。化合物2从早期描述的抑制剂1 (AZ20)开始,开发了改善水溶性和消除 CYP3A4 时间依赖性抑制的药物。临床候选2具有适合每天一次或两次给药的有利人体 PK,并在中等剂量下实现生物有效暴露。化合物2目前正在多个 I/II 期试验中作为抗癌剂进行测试。