作者: Akira Inoue , Takuji Suzuki , Tatsuro Fukuhara , Makoto Maemondo , Yuichiro Kimura
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摘要: Purpose This study was undertaken to investigate the efficacy and feasibility of gefitinib for chemotherapy-naive patients with advanced non–small-cell lung cancer (NSCLC) harboring epidermal growth factor receptor (EGFR) mutations. Patients Methods The EGFR gene status in various tumor samples obtained from NSCLC examined by DNA sequencing exons 18 23. mutations received (250 mg/d) alone. response rate, progression-free survival (PFS), toxicity profile were assessed prospectively. Results Between June 2004 October 2005, 75 status, 25 (33%) harbored significantly frequent females (P < .01) never or light smokers .001). Sixteen enrolled onto study. overall rate these 75% (95% CI, 54% 96%), disease control 88% 71%...