后一代EGFR-TKI对NSCLC中不常见的EGFR突变的临床结果:一个多中心的真实世界研究
Lisa Shigematsu1, Tetsuo Tani1, Shinnosuke Ikemura1,2
1Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan.
Thoracic cancer
|October 26, 2025
概括
后一代EGFR-TKI显著改善了不常见EGFR突变患者的整体存活率. 阿法替尼在G719X和化合物突变亚型中显示出有利的治疗持续时间.
科学领域:
- 在瘤学瘤学.
- 遗传学 是一个遗传学.
- 药理学 药理学是指药理学的学科.
背景情况:
- 不常见的表皮生长因子受体 (EGFR) 突变 (G719X,L861Q,S768I,化合物) 在非小细胞肺癌 (NSCLC) 中构成治疗挑战.
- 在这些特定的NSCLC亚型中,对后一代EGFR-tyrosine kinase抑制剂 (TKI) 的有效性存在有限的现实数据.
研究的目的:
- 评估后一代EGFR-TKIs在患有晚期或复发性NSCLC携带不常见EGFR突变的患者中的实际有效性.
- 确定影响该患者群体结果的预后因素.
主要方法:
- 在2014年至2023年期间治疗的35名具有不常见EGFR突变的NSCLC患者 (不包括常见突变和外20插入,除非化合物) 的回顾性分析.
- 使用Kaplan-Meier和Cox比例危险模型分析了生存结果 (总生存率 - OS).
- 用游泳者图片评估治疗持续时间,分层按突变亚型和EGFR-TKI代理进行分层.
主要成果:
- G719X,L861Q和S768I是观察到的最常见的不常见EGFR突变,以及各种化合物突变.
- 接受后一代EGFR-TKIs (71%的队列) 的患者与未接受EGFR-TKIs (15.5个月) 患者相比,显著延长了生存期 (47.7个月).
- 多变量分析确定了不使用后一代EGFR-TKI,肝转移和表现不佳的状态作为独立的负预后因素. 阿法替尼在G719X和化合物突变方面表现出有利的治疗持续时间.
结论:
- 后一代EGFR-TKI与患有不常见EGFR突变的NSCLC患者的改善结果有关.
- 特别是阿法替尼在患有G719X和复合EGFR突变的患者中显示出有前途的治疗持续时间.
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