Identification of five driver gene mutations in patients with treatment-naïve lung adenocarcinoma in Taiwan

PloS One
Kuo-Hsuan HsuGee-Chen Chang

Abstract

It is important to select appropriate targeted therapies for subgroups of patients with lung adenocarcinoma who have specific gene alterations. This prospective study was a multicenter project conducted in Taiwan for assessment of lung adenocarcinoma genetic tests. Five oncogenic drivers, including EGFR, KRAS, BRAF, HER2 and EML4-ALK fusion mutations, were tested. EGFR, KRAS, BRAF and HER2 mutations were assessed by MALDI-TOF MS (Cohort 1). EML4-ALK translocation was tested by Ventana method in EGFR-wild type patients (Cohort 2). From August 2011 to November 2013, a total of 1772 patients with lung adenocarcinoma were enrolled. In Cohort 1 analysis, EGFR, KRAS, HER2 and BRAF mutations were identified in 987 (55.7%), 93 (5.2%), 36 (2.0%) and 12 (0.7%) patients, respectively. Most of these mutations were mutually exclusive, except for co-mutations in seven patients (3 with EGFR + KRAS, 3 with EGFR + HER2 and 1 with KRAS + BRAF). In Cohort 2 analysis, 29 of 295 EGFR-wild type patients (9.8%) were positive for EML4-ALK translocation. EGFR mutations were more common in female patients and non-smokers and KRAS mutations were more common in male patients and smokers. Gender and smoking status were not correlated significantly with HER...Continue Reading

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Citations

Dec 10, 2015·Carcinogenesis·Chien-Hua TsengGee-Chen Chang
Jan 8, 2017·Genes, Chromosomes & Cancer·Chien-Hung GowJin-Yuan Shih
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Methods Mentioned

BETA
PCR

Software Mentioned

SPSS
PIONEER
Typer

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