[Efficacy of gefitinib for young patients with unknown EGFR gene mutation in advanced lung adenocarcinoma].
作者信息
Liu Yutao, Shi Yuankai, Hu Xingsheng, Hao Xuezhi, Li Junling, Wang Ziping, Wang Yan, Wang Hongyu, Zhang Xiangru, Sun Yan
机构信息
Department of Medical Oncology, Cancer Institute/Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College; Beijing Key Laboratory of Clinical Study on Anticancer Molecular Targeted Drugs, Beijing 100021, China.
出版信息
Zhongguo Fei Ai Za Zhi. 2014 May;17(5):401-5. doi: 10.3779/j.issn.1009-3419.2014.05.06.
BACKGROUND AND OBJECTIVE
Lung cancer in young patients (less or equal to 45 years) is relatively rare. We explored the efficacy and survival of Gefitinib for young patients with unknown epidermal growth factor receptor (EGFR) gene mutation of advanced lung adenocarcinoma.
METHODS
The clinical data of 55 young patients with unknown EGFR gene mutation in advanced lung adenocarcinoma referred to the Cancer Hospital & Institute, Chinese Academy of Medical Sciences from Jan 2006 through Dec 2010 were analyzed retrospectively.
RESULTS
Of 55 young patients enrolled, the median age was 41 years. The objective response rate and disease control rate were 43.6% and 90.9%, respectively.. The median progression-free survival (PFS) was 9.0 months. Among the factors analyzed, brain metastasis had significant effect on PFS (P=0.017). The median overall survival (OS) was 24.0 months. The independent prognostic factors to significantly improve OS included non-smoking history (P=0.028) and receiving other anti-cancer treatment after Gefitinib therapy (P<0.001).
CONCLUSIONS
The median PFS and OS of the young patients with Unknown EGFR gene mutation in advanced lung adenocarcinoma were similar with general population.
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