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ID: ALA3632511
Journal: ACS Med Chem Lett
Title: Oxopyrido[2,3-d]pyrimidines as Covalent L858R/T790M Mutant Selective Epidermal Growth Factor Receptor (EGFR) Inhibitors.
Authors: Wurz RP, Pettus LH, Ashton K, Brown J, Chen JJ, Herberich B, Hong FT, Hu-Harrington E, Nguyen T, St Jean DJ, Tadesse S, Bauer D, Kubryk M, Zhan J, Cooke K, Mitchell P, Andrews KL, Hsieh F, Hickman D, Kalyanaraman N, Wu T, Reid DL, Lobenhofer EK, Andrews DA, Everds N, Guzman R, Parsons AT, Hedley SJ, Tedrow J, Thiel OR, Potter M, Radinsky R, Beltran PJ, Tasker AS.
Abstract: In nonsmall cell lung cancer (NSCLC), the threonine(790)-methionine(790) (T790M) point mutation of EGFR kinase is one of the leading causes of acquired resistance to the first generation tyrosine kinase inhibitors (TKIs), such as gefitinib and erlotinib. Herein, we describe the optimization of a series of 7-oxopyrido[2,3-d]pyrimidinyl-derived irreversible inhibitors of EGFR kinase. This led to the discovery of compound 24 which potently inhibits gefitinib-resistant EGFR(L858R,T790M) with 100-fold selectivity over wild-type EGFR. Compound 24 displays strong antiproliferative activity against the H1975 nonsmall cell lung cancer cell line, the first line mutant HCC827 cell line, and promising antitumor activity in an EGFR(L858R,T790M) driven H1975 xenograft model sparing the side effects associated with the inhibition of wild-type EGFR.
CiteXplore: 26396685