Discovery of a potent and selective EGFR inhibitor (AZD9291) of both sensitizing and T790M resistance mutations that spares the wild type form of the receptor

M. Raymond V Finlay*, Mark Anderton, Susan Ashton, Peter Ballard, Paul A. Bethel, Matthew R. Box, Robert H. Bradbury, Simon J. Brown, Sam Butterworth, Andrew Campbell, Christopher Chorley, Nicola Colclough, Darren A E Cross, Gordon S. Currie, Matthew Grist, Lorraine Hassall, George B. Hill, Daniel James, Michael James, Paul KemmittTeresa Klinowska, Gillian Lamont, Scott G. Lamont, Nathaniel Martin, Heather L. McFarland, Martine J. Mellor, Jonathon P. Orme, David Perkins, Paula Perkins, Graham Richmond, Peter Smith, Richard A. Ward, Michael J. Waring, David Whittaker, Stuart Wells, Gail L. Wrigley

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

299 Citations (Scopus)

Abstract

Epidermal growth factor receptor (EGFR) inhibitors have been used clinically in the treatment of non-small-cell lung cancer (NSCLC) patients harboring sensitizing (or activating) mutations for a number of years. Despite encouraging clinical efficacy with these agents, in many patients resistance develops leading to disease progression. In most cases, this resistance is in the form of the T790M mutation. In addition, EGFR wild type receptor inhibition inherent with these agents can lead to dose limiting toxicities of rash and diarrhea. We describe herein the evolution of an early, mutant selective lead to the clinical candidate AZD9291, an irreversible inhibitor of both EGFR sensitizing (EGFRm+) and T790M resistance mutations with selectivity over the wild type form of the receptor. Following observations of significant tumor inhibition in preclinical models, the clinical candidate was administered clinically to patients with T790M positive EGFR-TKI resistant NSCLC and early efficacy has been observed, accompanied by an encouraging safety profile.

Original languageEnglish
Pages (from-to)8249-8267
Number of pages19
JournalJournal of Medicinal Chemistry
Volume57
Issue number20
DOIs
Publication statusPublished - 1 Oct 2014

ASJC Scopus subject areas

  • Molecular Medicine
  • Drug Discovery
  • Medicine(all)

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