晚期非小细胞肺癌EGFR-TKI失败后治疗策略

2013-05-22 MedSci MedSci原创

近年来,涉及表皮生长因子受体(EGFR)-酪氨酸激酶抑制剂(TKI,吉非替尼和厄洛替尼)治疗晚期非小细胞肺癌(NSCLC) 的各类研究层见叠出,证据亦越来越多。各类指南推荐的TKI治疗范围涵盖了晚期NSCLC的二、三线治疗,一线治疗甚至维持治疗,由此推断极大比例的晚期 NSCLC患者在其治疗过程中的某个阶段必然会接受EGFR-TKI治疗。但是,无论近期疗效如何,最终患者都会不可避免地出现对TK

近年来,涉及表皮生长因子受体(EGFR)-酪氨酸激酶抑制剂(TKI,吉非替尼和厄洛替尼)治疗晚期非小细胞肺癌(NSCLC) 的各类研究层见叠出,证据亦越来越多。各类指南推荐的TKI治疗范围涵盖了晚期NSCLC的二、三线治疗,一线治疗甚至维持治疗,由此推断极大比例的晚期 NSCLC患者在其治疗过程中的某个阶段必然会接受EGFR-TKI治疗。但是,无论近期疗效如何,最终患者都会不可避免地出现对TKI的耐药或TKI失 败,那么,后续治疗该如何进行? 迄今为止,这方面仍无高级别的、可信的临床研究证据支持。但面对越来越多TKI治疗失败后仍需治疗或仍有强 烈治疗意愿的患者,虽无指南推荐,医者并不可心安理得、袖手旁观。几年的探索和实践已有不少文献,虽然证据级别不高,但经验可贵,值得借鉴。另外基于基础 研究的深入,EGFR-TKI药物耐药的分子机制逐渐清晰,越来越多的针对肿瘤耐药机制或作用于其他相关信号通路的靶向药物逐渐进入临床。所以,目前情况下TKI治疗失败后的选择可分两个层面考虑:⑴ 根据TKI的治疗阶段选择后续治疗。⑵ 根据TKI治疗失败的分子机制选择后续治疗。 1   根据

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    2013-05-24 lsj628
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    2013-05-24 liuyiping

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