Critical appraisal of the role of gefitinib in the management of locally advanced or metastatic non-small cell lung cancer
Ying Yuan, Xiao-Fen Li, Jia-Qi Chen, Cai-Xia Dong, Shan-Shan Weng, Jian-Jin Huang
Department of Medical Oncology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
Abstract: Past studies have demonstrated that epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors can significantly improve clinical outcomes in patients with locally advanced or metastatic non-small cell lung cancer (NSCLC) and sensitive EGFR gene mutations. Gefitinib (Iressa®), the first oral EGFR tyrosine kinase inhibitor, has been shown to be more effective and better tolerated than chemotherapy either in first-line or second-line treatment for patients with advanced NSCLC harboring sensitive EGFR mutations. Conversely, among patients with wild-type EGFR, gefitinib is inferior to standard chemotherapy in both the first-line and second-line settings. Further, gefitinib is effective in patients with brain metastases because of its low molecular weight and excellent penetration of the blood–brain barrier. In this review, we summarize the current data from clinical trials with gefitinib and appraise its role in the management of locally advanced or metastatic NSCLC.
Keywords: gefitinib, non-small cell lung cancer, epidermal growth factor receptor, tyrosine kinase inhibitor
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