Article
No Therapeutic Effect of Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitor Retreatment Despite T790M Disappearance: Case Report of 3 Cases.
Chemotherapy - 1 Jan 2018
Kodama Tatsuya, Watanabe Keisuke, Shinkai Masaharu, Kaneko Takeshi
Abstract excerpt
BACKGROUND: T790M is a major cause of epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI) resistance, but the clinical significance of T790M disappearance is unknown. CASE REPORT: We report 3 cases of pulmonary adenocarcinoma which did not respond to EGFR-TKI retreatment even with T790M disappearance. T790M mutations were detected in the pleural effusions after the tumors had acquired EGFR-TKI...
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