Prognostic value of epidermal growth factor receptor mutations in resected non-small cell lung cancer: a systematic review with meta-analysis.

<h4>Background</h4>The prognostic value of epidermal growth factor receptor (EGFR) mutations in resected non-small cell lung cancer (NSCLC) remains controversial. We performed a systematic review with meta-analysis to assess its role.<h4>Methods</h4>Studies were identified vi...

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Main Authors: Zhixuan Zhang, Ting Wang, Jun Zhang, Xiaohong Cai, Changchuan Pan, Yu Long, Jing Chen, Chengya Zhou, Xude Yin
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2014-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0106053
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author Zhixuan Zhang
Ting Wang
Jun Zhang
Xiaohong Cai
Changchuan Pan
Yu Long
Jing Chen
Chengya Zhou
Xude Yin
author_facet Zhixuan Zhang
Ting Wang
Jun Zhang
Xiaohong Cai
Changchuan Pan
Yu Long
Jing Chen
Chengya Zhou
Xude Yin
author_sort Zhixuan Zhang
collection DOAJ
description <h4>Background</h4>The prognostic value of epidermal growth factor receptor (EGFR) mutations in resected non-small cell lung cancer (NSCLC) remains controversial. We performed a systematic review with meta-analysis to assess its role.<h4>Methods</h4>Studies were identified via an electronic search on PubMed, Embase and Cochrane Library databases. Pooled hazard ratio (HR) for disease-free survival (DFS) and overall survival (OS) were calculated for meta-analysis.<h4>Results</h4>There were 16 evaluated studies (n  =  3337) in the meta-analysis. The combined HR evaluating EGFR mutations on disease free survival was 0.96 (95% CI [0.79-1.16] P  =  0.65). The combined HR evaluating EGFR mutations on overall survival was 0.86 (95% CI [0.72-1.04] P  = 0.12). The subgroup analysis based on univariate and multivariate analyses in DFS and OS showed no statistically significant difference. There was also no statistically significant difference in DFS and OS of stage I NSCLC patients.<h4>Conclusion</h4>The systematic review with meta-analysis showed that EGFR mutations were not a prognostic factor in patients with surgically resected non-small cell lung cancer. Well designed prospective study is needed to confirm the result.
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spelling doaj-art-1e7edb1bf9614eb8affa5d7d81b5db3f2025-07-30T05:31:28ZengPublic Library of Science (PLoS)PLoS ONE1932-62032014-01-0198e10605310.1371/journal.pone.0106053Prognostic value of epidermal growth factor receptor mutations in resected non-small cell lung cancer: a systematic review with meta-analysis.Zhixuan ZhangTing WangJun ZhangXiaohong CaiChangchuan PanYu LongJing ChenChengya ZhouXude Yin<h4>Background</h4>The prognostic value of epidermal growth factor receptor (EGFR) mutations in resected non-small cell lung cancer (NSCLC) remains controversial. We performed a systematic review with meta-analysis to assess its role.<h4>Methods</h4>Studies were identified via an electronic search on PubMed, Embase and Cochrane Library databases. Pooled hazard ratio (HR) for disease-free survival (DFS) and overall survival (OS) were calculated for meta-analysis.<h4>Results</h4>There were 16 evaluated studies (n  =  3337) in the meta-analysis. The combined HR evaluating EGFR mutations on disease free survival was 0.96 (95% CI [0.79-1.16] P  =  0.65). The combined HR evaluating EGFR mutations on overall survival was 0.86 (95% CI [0.72-1.04] P  = 0.12). The subgroup analysis based on univariate and multivariate analyses in DFS and OS showed no statistically significant difference. There was also no statistically significant difference in DFS and OS of stage I NSCLC patients.<h4>Conclusion</h4>The systematic review with meta-analysis showed that EGFR mutations were not a prognostic factor in patients with surgically resected non-small cell lung cancer. Well designed prospective study is needed to confirm the result.https://doi.org/10.1371/journal.pone.0106053
spellingShingle Zhixuan Zhang
Ting Wang
Jun Zhang
Xiaohong Cai
Changchuan Pan
Yu Long
Jing Chen
Chengya Zhou
Xude Yin
Prognostic value of epidermal growth factor receptor mutations in resected non-small cell lung cancer: a systematic review with meta-analysis.
PLoS ONE
title Prognostic value of epidermal growth factor receptor mutations in resected non-small cell lung cancer: a systematic review with meta-analysis.
title_full Prognostic value of epidermal growth factor receptor mutations in resected non-small cell lung cancer: a systematic review with meta-analysis.
title_fullStr Prognostic value of epidermal growth factor receptor mutations in resected non-small cell lung cancer: a systematic review with meta-analysis.
title_full_unstemmed Prognostic value of epidermal growth factor receptor mutations in resected non-small cell lung cancer: a systematic review with meta-analysis.
title_short Prognostic value of epidermal growth factor receptor mutations in resected non-small cell lung cancer: a systematic review with meta-analysis.
title_sort prognostic value of epidermal growth factor receptor mutations in resected non small cell lung cancer a systematic review with meta analysis
url https://doi.org/10.1371/journal.pone.0106053
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