Distinct Clinical Outcomes of Non-Small Cell Lung Cancer Patients with Epidermal Growth Factor Receptor (EGFR) Mutations Treated with EGFR Tyrosine Kinase Inhibitors: Non-Responders versus Responders

Shih-Hsin Hsiao, H Eugene Liu, Hsin-Lun Lee, Chii-Lan Lin, Wei-Yu Chen, Zhung-Han Wu, Sey-En Lin, Ling-Ling Chiang and Chi-Li Chung

PLOS ONE, 2013, vol. 8, issue 12, 1-6

Abstract: Introduction: Treatment with epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) has been associated with favorable progression free survival (PFS) in patients with non-small cell lung cancers (NSCLC) harboring EGFR mutations. However, a subset of this population doesn't respond to EGFR-TKI treatment. Therefore, the present study aimed to elucidate survival outcome in NSCLC EGFR-mutant patients who were treated with EGFR TKIs. Methods: Among the 580 consecutive NSCLC patients who were treated at our facility between 2008 and 2012, a total of 124 treatment-naïve, advanced NSCLC, EGFR-mutant patients treated with EGFR TKIs were identified and grouped into non-responders and responders for analyses. Results: Of 124 patients, 104 (84%) responded to treatment, and 20 (16%) did not; and the overall median PFS was 9.0 months. Notably, the PFS, overall survival (OS) and survival rates were significantly unfavorable in non-responders (1.8 vs. 10.3 months, hazard ratio (HR) = 29.2, 95% confidence interval (CI), 13.48–63.26, P

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0083266

DOI: 10.1371/journal.pone.0083266

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