Abstract:Objective To investigate the relationship between tyrosine kinase inhibitor (TKI) targeting therapy and epithelial growth factor receptor (EGFR) gene mutation in patients with advanced non-small cell lung cancer (NSCLC). Methods The clinical data of 180 patients with NSCLC who received TKI targeted therapy from January 2015 to January 2017 in Guangyuan Center Hospital were retrospectively analyzed. All patients were pathologically confirmed as NSCLC, on all plasma samples from patients with EGFR mutation were detected before treatment, and then received TKI targeted therapy. The relationship between EGFR mutation and patient baseline data was analyzed, and the effect of EGFR mutation on the therapeutic effect of TKI targeted therapy and prognosis were discussed. Results A total of the 180 NSCLC patients, 118 were wild type and 62 were mutant, and the mutation rate was 34.44%. Sex, no smoking history, histology type were related to EGFR mutation (P < 0.05); the other baseline data were not related to EGFR mutation (P > 0.05). The EGFR mutant was higher than that of the EGFR wild type, and the difference was statistically significant (P < 0.05). The 1 year survival rate of EGFR mutant patients was higher than that of EGFR wild type, and the difference was statistically significant (P < 0.05). Conclusion The EGFR gene mutation in NSCLC patients is related to gender, no smoking history and histological type. EGFR mutant patients receiving TKI targeted therapy is better, which is beneficial to improve the 1 year survival rate of patients.
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