Abstract
背景与目的随着高效低毒药物的出现,越来越多的晚期非小细胞肺癌(non-small cell lung cancer, NSCLC)患者有机会接受三线治疗,但目前三线的标准治疗除厄洛替尼外尚无其它选择方案。本研究旨在比较单药化疗、靶向药物与双药联合化疗在晚期NSCLC患者三线治疗中的疗效与安全性。方法回顾分析115例Ⅲb期/Ⅳ期接受三线治疗的NSCLC患者的疗效及生存状况。采用Kaplan-Meier曲线、Cox多因素生存分析模型进行单因素和多因素分析。结果单药组、靶向治疗组与双药联合组中位无进展生存时间(progression free survival, PFS)分别为2.30个月、3.17个月和2.37个月(P=0.045),三线治疗后的中位生存时间(overall survival, OS)分别为8.00个月、10.40个月和7.87个月(P=0.110),Ⅲ度-Ⅳ度毒性反应发生率分别为33.3%、18.2%和68.8%(P < 0.001)。多因素分析显示体能状况(performance status, PS)评分(P < 0.001)是PFS的独立预后因素,既往无吸烟史(P=0.011)、PS评分0分-1分(P < 0.001)和一二线治疗疗效获得疾病控制(P=0.044)是三线治疗OS的独立预后因素。结论PS评分较好、既往不吸烟和一二线治疗疗效疾病控制的患者在三线治疗中更能获益,与化疗单药或双药相比靶向药物组PFS显示出优势。
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