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血浆EGFR基因突变指导进展期肺腺癌的靶向治疗 被引量:4

EGFRgene mutation guides target therapy of advanced lung adenocarcinoma
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摘要 目的:研究进展期肺腺癌患者血浆中EGFR基因突变与小分子酪氨酸激酶抑制剂(tyrosine kinase inhibitor,TKI)吉非替尼(gefitinib,又称易瑞沙Iressa)治疗进展期肺腺癌患者疗效间的关系。方法:选择上海交通大学医学院附属第三人民医院肿瘤科一线治疗失败后的44例进展期肺腺癌患者(男32例,女12例)和15位健康志愿者(男11例,女4例)。采集受试者血浆,利用改良酚-氯仿方法提取血浆DNA,利用突变富集型PCR(mutatant-enriched PCR,ME-PCR)扩增EGFR基因外显子19和21,然后进行基因测序。分析肺腺癌患者EGFR基因突变与与患者年龄、性别、吸烟史、体力状况(performance status,PS)评分、临床分期、是否接受放疗、一线化疗周期数间的关系,Kaplan-Meier法和Log-rank检验分析EGFR基因突变组与EGFR野生型组接受吉非替尼治疗的PFS和疗效差异。结果:44例肺腺癌患者血浆中有13例检出EGFR基因突变,其中外显子19缺失突变8例、外显子21点突变5例;健康对照组中未发现EGFR基因突变。肺腺癌患者EGFR基因突变与患者性别、吸烟史相关,与患者年龄、PS评分、分期、是否接受放疗及化疗周期数无关。EGFR基因突变的肺腺癌患者经吉非替尼治疗后中位无疾病进展时间(PFS)明显长于无EGFR突变患者(8个月vs3.7个月,P=0.008)。结论:进展期肺腺癌患者血浆中EGFR基因突变检测可以作为分子靶向药物治疗的参考。
出处 《中国肿瘤生物治疗杂志》 CAS CSCD 北大核心 2011年第3期327-330,共4页 Chinese Journal of Cancer Biotherapy
基金 上海市教委基金资助项目(No.08YZ47)~~
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参考文献12

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共引文献7

同被引文献36

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