Cited by 90Lung Cancer Treatments and MutationsHER2/EGFR in Cancer ResearchCancer Mechanisms and Therapy

Noncovalent Wild-type–Sparing Inhibitors of EGFR T790M

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Lee, Ho-June, Schaefer, Gabriele, Heffron, Timothy P., Shao, Lily, Ye, Xiaofen, Sideris, Steve, Malek, Shiva, Chan, Emily +7 more·2013·Cancer Discovery

Published version of a preprint

Abstract

Approximately half of EGFR-mutant non–small cell lung cancer (NSCLC) patients treated with small-molecule EGFR kinase inhibitors develop drug resistance associated with the EGF receptor (EGFR) T790M “gatekeeper” substitution, prompting efforts to develop covalent EGFR inhibitors, which can effectively suppress EGFR T790M in preclinical models. However, these inhibitors have yet to prove clinically efficacious, and their toxicity in skin, reflecting activity against wild-type EGFR, may limit dosing required to effectively suppress EGFR T790M in vivo. While profiling sensitivity to various kinase inhibitors across a large cancer cell line panel, we identified indolocarbazole compounds, including a clinically well-tolerated FLT3 inhibitor, as potent and reversible inhibitors of EGFR T790M that spare wild-type EGFR. These findings show the use of broad cancer cell profiling of kinase inhibitor efficacy to identify unanticipated novel applications, and they identify indolocarbazole compounds as potentially effective EGFR inhibitors in the context of T790M-mediated drug resistance in NSCLC. Significance: EGFR-mutant lung cancer patients who respond to currently used EGFR kinase inhibitors invariably develop drug resistance, which is associated with the EGFR T790M resistance mutation in about half these cases. We unexpectedly identified a class of reversible potent inhibitors of EGFR T790M that do not inhibit wild-type EGFR, revealing a promising therapeutic strategy to overcome T790M-associated drug-resistant lung cancers. Cancer Discov; 3(2); 168–81. ©2012 AACR. See related commentary by Brewer and Pao, p. 138 This article is highlighted in the In This Issue feature, p. 125

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Authors
Lee, H.-J., Schaefer, G., Heffron, T. P., Shao, L., Ye, X., Sideris, S., Malek, S., Chan, E., Merchant, M., La, H., Ubhayakar, S., Yauch, R. L., Pirazzoli, V., Politi, K., & Settleman, J.
Affiliations
Genentech (US)
Corresponding author
Settleman, Jeff
Venue
Cancer Discovery
Published
2013-02-01
Volume
3
Issue
2
Pages
168-181
ISSN
  • 2159-8274 (ISSN-L)
  • 2159-8290
OpenAlex
W2085137844
Cited by
90
References
40
Citations by year
2026: 3 · 2025: 1 · 2024: 2 · 2023: 2 · 2022: 1 · 2021: 4 · 2020: 7 · 2019: 3 · 2018: 11 · 2017: 6 · 2016: 7 · 2015: 14 · 2014: 15 · 2013: 14
FWCI
11.07
Type
journal article
Language
en
Open access
Locations
  • Cancer Discovery (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Uniting Against Lung Cancer
  • Yale University
  • National Institutes of Health
  • Genentech
  • National Cancer Institute (R01CA120247, R00CA131488)
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Lung Cancer Treatments and Mutations
  • Health Sciences › Medicine › Oncology › HER2/EGFR in Cancer Research
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Cancer Mechanisms and Therapy
Keywords
T790M mutation, EGFR-mutant non-small cell lung cancer, EGFR kinase inhibitors, drug resistance, indolocarbazole, FLT3 inhibitors, covalent inhibitors, kinase inhibitor sensitivity
MeSH terms
Erlotinib Hydrochloride, Acrylamides, Animals, Base Sequence, Carbazoles, Humans, Lung, Lung Neoplasms, Mice, Inbred BALB C, Mice, Nude, Mice, Transgenic, Mutation, Pyrimidines, Quinazolines, Immunoblotting, Drug Resistance, Neoplasm, Staurosporine, Area Under Curve, Amino Acid Substitution, Xenograft Model Antitumor Assays, RNA Interference, Cell Line, Tumor, Protein Kinase Inhibitors, Mice, ErbB Receptors

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