Cited by 92Lung Cancer Treatments and MutationsHER2/EGFR in Cancer ResearchLung Cancer Diagnosis and Treatment

EGFR tyrosine kinase inhibitor (TKI) in patients with advanced non-small cell lung cancer (NSCLC) harboring uncommon EGFR mutations: A real-world study in China

Xu, Jianlin, Jin, Bo, Chu, Tianqing, Dong, Xue, Yang, Haitang, Zhang, Yanwei, Wu, Dan, Lou, Yuqing +3 more·2016·Lung Cancer

Abstract

Introduction There are a number of uncommon EGFR mutations whose associations with TKIs are not well clarified. Here, we summarize the clinical data of patients with multiple uncommon EGFR mutations and their sensitivity to EGFR TKIs.Methods Between January 2009 and September 2014, we retrospectively examined stage IIIB/IV NSCLC patients harboring uncommon mutations in EGFR at the Shanghai Chest Hospital.Results A total of 123 NSCLC patients harboring uncommon EGFR mutations with treatment and survival details were included in this analysis. 95 Patients who received therapy that consisted of EGFR TKIs experienced a significantly improved overall survival (OS) compared with those who did not receive EGFR TKIs (18.96 months, 95% CI, 16.65-21.26 vs 12.22, 95% CI, 9.17-15.27, p=0.017). The median progression-free survival (PFS) for patients who harbored the L861Q, G719X, 20ins, Del-19+L858R, Del-19 or L858R+T790M, and the Del-19 or L858R+other mutations were 8.90 months (95% CI, 4.47-13.34), 5.98 months (95% CI, 1.53-10.42), 2.00 months (95% CI, 0.00-5.41), 9.53 months (95% CI, 0.00-19.41), 1.94 months (95% CI, 0.00-4.43), and 9.79 months (95% CI, 0.73-18.85), respectively. The best objective response rates (ORRs) for patients who harbored L861Q, G719X, 20ins, Del-19+L858R, Del-19 or L858R+T790M, Del-19 or L858R+others were 46.7%, 42.9%, 8.3%, 71.4%, 22.2%, and 55.6%, respectively.Conclusions These results suggest that EGFR TKI therapy is effective in patients with L861Q/G719X/Del-19+L858R/Del-19 or L858R+other mutations; less effective in patients with 20ins/Del-19 or L858R+T790M.

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Crossref · 10.1016/j.lungcan.2016.01.018

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Authors
Xu, J., Jin, B., Chu, T., Dong, X., Yang, H., Zhang, Y., Wu, D., Lou, Y., Zhang, X., Wang, H., & Han, B.
Affiliations
Shanghai Jiao Tong University (CN)
Corresponding author
Han, Baohui
Venue
Lung Cancer
Publisher
Elsevier BV
Published
2016-06
Volume
96
Pages
87-92
ISSN
0169-5002 (ISSN-L)
OpenAlex
W2255412755
Cited by
92
References
34
Citations by year
2025: 7 · 2024: 6 · 2023: 10 · 2022: 17 · 2021: 6 · 2020: 14 · 2019: 12 · 2018: 7 · 2017: 10 · 2016: 2
FWCI
9.26
Type
journal article
Language
en
Open access
closed
Locations
  • Lung Cancer (publishedVersion)
  • PubMed (publishedVersion)
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 › Pulmonary and Respiratory Medicine › Lung Cancer Diagnosis and Treatment
Keywords
EGFR tyrosine kinase inhibitors, advanced non-small cell lung cancer, uncommon EGFR mutations, L858R mutation, T790M mutation, overall survival, progression-free survival, objective response rate, real-world evidence, treatment sensitivity, China
MeSH terms
Adult, Aged, Aged, 80 and over, Carcinoma, Non-Small-Cell Lung, China, Female, Humans, Lung Neoplasms, Male, Middle Aged, Mutation, Neoplasm Staging, Retrospective Studies, Treatment Outcome, Disease-Free Survival, Protein Kinase Inhibitors, ErbB Receptors

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