Cited by 3,964Lung Cancer Treatments and MutationsHER2/EGFR in Cancer ResearchCancer Genomics and Diagnostics

EGFR Mutation and Resistance of Non–Small-Cell Lung Cancer to Gefitinib

Open access
Kobayashi, Susumu, Boggon, Titus J., Dayaram, Tajhal, Jänne, Pasi A., Kocher, Olivier, Meyerson, Matthew, Johnson, Bruce E., Eck, Michael J. +2 more·2005·New England Journal of Medicine

Abstract

Mutations of the epidermal growth factor receptor (EGFR) gene have been identified in specimens from patients with non-small-cell lung cancer who have a response to anilinoquinazoline EGFR inhibitors. Despite the dramatic responses to such inhibitors, most patients ultimately have a relapse. The mechanism of the drug resistance is unknown. Here we report the case of a patient with EGFR-mutant, gefitinib-responsive, advanced non-small-cell lung cancer who had a relapse after two years of complete remission during treatment with gefitinib. The DNA sequence of the EGFR gene in his tumor biopsy specimen at relapse revealed the presence of a second point mutation, resulting in threonine-to-methionine amino acid change at position 790 of EGFR. Structural modeling and biochemical studies showed that this second mutation led to gefitinib resistance.

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Crossref · 10.1056/nejmoa044238

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Authors
Kobayashi, S., Boggon, T. J., Dayaram, T., Jänne, P. A., Kocher, O., Meyerson, M., Johnson, B. E., Eck, M. J., Tenen, D. G., & Halmos, B.
Affiliations
  • Beth Israel Deaconess Medical Center (US)
  • Harvard University (US)
  • Brigham and Women's Hospital (US)
Venue
New England Journal of Medicine
Published
2005-02-24
Volume
352
Issue
8
Pages
786-792
ISSN
  • 0028-4793 (ISSN-L)
  • 1533-4406
OpenAlex
W2003984225
Cited by
3,964
References
2
Citations by year
2026: 90 · 2025: 89 · 2024: 105 · 2023: 147 · 2022: 158 · 2021: 193 · 2020: 194 · 2019: 196 · 2018: 242 · 2017: 248 · 2016: 248 · 2015: 257 · 2014: 228 · 2013: 242 · 2012: 211
FWCI
154.43
Type
journal article
Language
en
Open access
Locations
  • New England Journal of Medicine (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Cancer Institute (1K12CA87723-01, PA20-CA090578-01A1, K12CA087723)
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Lung Cancer Treatments and Mutations
  • Health Sciences › Medicine › Oncology › HER2/EGFR in Cancer Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
Keywords
EGFR mutation, gefitinib resistance, non-small cell lung cancer, EGFR tyrosine kinase inhibitors, anilinoquinazolines, T790M mutation, relapse, drug resistance mechanisms, structural modeling
MeSH terms
Erlotinib Hydrochloride, Gefitinib, Aged, Antineoplastic Agents, Biopsy, Carcinoma, Non-Small-Cell Lung, DNA, Neoplasm, Humans, Lung Neoplasms, Male, Models, Structural, Neoplasm Recurrence, Local, Quinazolines, RNA, Neoplasm, Molecular Structure, Point Mutation, Sequence Analysis, DNA, Sequence Analysis, RNA, Drug Resistance, Neoplasm, ErbB Receptors

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