Abstract:
BACKGROUND:Activating mutations in the epidermal growth factor (EGFR) gene confer sensitivity to the tyrosine kinase inhibitors (TKIs) in patients with advanced non-small cell lung cancer (NSCLC). TKI treatment efficacy and EGFR mutation implications were evaluated in clinically selected advanced NSCLC patients treated with TKIs in routine clinical practice. MATERIALS AND METHODS:A retrospective chart review for clinicopathological characteristics and mutation status (EGFR, KRAS) analysis of 40 consecutive patients treated with TKIs between 2005 and 2010 was performed. STATISTICAL ANALYSIS USED:PFS and OS were estimated by the Kaplan-Meier method, the log-rank test was used to test for differences. The strength of the associations between the EGFR mutation status and clinicopathological characteristics were tested with the Mann-Whitney U-test or the Kruskal-Wallis H-test. RESULTS:The prevalence of EGFR mutations was 45% with a predominance of deletion mutations in exon 19 (55.5%). Significant correlations between gender, histology, and EGFR mutations were observed. Median progression-free survival (mPFS) for the entire group of patients was 8.7 months and median overall survival (mOS) was not yet reached. Patients with EGFR mutant tumors derived significantly higher benefit from TKI therapy compared to patients with mutation-negative disease; with mPFS of 22.0 vs. 3.2 months (HR: 3.9, 95% CI 1.56-9.89) and with a trend towards better OS (probability of survival at 12 months 82.0 vs. 63.0%, P = 0.080). CONCLUSION:We demonstrated that screening for EGFR mutations is reliable in a routine clinical setting and might allow for a better selection of NSCLC patients for anti-EGFR TKI therapy.
journal_name
J Cancer Res Therjournal_title
Journal of cancer research and therapeuticsauthors
Ovcaricek T,Cufer T,Kern I,Sodja E,Sadikov Adoi
10.4103/0973-1482.113379subject
Has Abstractpub_date
2013-04-01 00:00:00pages
261-6issue
2eissn
0973-1482issn
1998-4138pii
JCanResTher_2013_9_2_261_113379journal_volume
9pub_type
杂志文章abstract:Aims:This study aims at assessing the volume changes that occur in the targets (gross tumor volume and planning target volume [PTV]) and the organs at risk in squamous cell carcinoma of the head and neck during radiotherapy and assessing the dose changes that occur as a result of them. Settings and Design:This was a p...
journal_title:Journal of cancer research and therapeutics
pub_type: 杂志文章
doi:10.4103/jcrt.JCRT_589_19
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journal_title:Journal of cancer research and therapeutics
pub_type: 杂志文章
doi:10.4103/jcrt.JCRT_722_17
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journal_title:Journal of cancer research and therapeutics
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journal_title:Journal of cancer research and therapeutics
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journal_title:Journal of cancer research and therapeutics
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journal_title:Journal of cancer research and therapeutics
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journal_title:Journal of cancer research and therapeutics
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更新日期:2013-10-01 00:00:00
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journal_title:Journal of cancer research and therapeutics
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journal_title:Journal of cancer research and therapeutics
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journal_title:Journal of cancer research and therapeutics
pub_type: 杂志文章
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更新日期:2018-01-01 00:00:00
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pub_type: 杂志文章
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journal_title:Journal of cancer research and therapeutics
pub_type: 杂志文章
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更新日期:2013-01-01 00:00:00
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journal_title:Journal of cancer research and therapeutics
pub_type: 杂志文章
doi:10.4103/0973-1482.138198
更新日期:2014-07-01 00:00:00
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journal_title:Journal of cancer research and therapeutics
pub_type: 杂志文章
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journal_title:Journal of cancer research and therapeutics
pub_type: 杂志文章,meta分析
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更新日期:2014-08-01 00:00:00
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journal_title:Journal of cancer research and therapeutics
pub_type: 杂志文章
doi:10.4103/0973-1482.48770
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journal_title:Journal of cancer research and therapeutics
pub_type: 杂志文章
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journal_title:Journal of cancer research and therapeutics
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journal_title:Journal of cancer research and therapeutics
pub_type: 杂志文章
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更新日期:2020-10-01 00:00:00
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journal_title:Journal of cancer research and therapeutics
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