JCO:3期| 吉非替尼 vs 顺铂+长春瑞滨辅助治疗手术切除后的非小细胞肺癌的预后

2021-11-04 Nebula MedSci原创

吉非替尼辅助治疗可防止非小细胞肺癌早期复发,但并不能延长无病生存期或总生存期

虽然以顺铂为基础的辅助化疗是手术完全切除的II期和III期非小细胞肺癌(NSCLC)的标准疗法,但患者的生存预后并不令人满意。一项对4584位患者进行的荟萃分析显示,以顺铂为基础的化疗与单纯观察作为术后辅助治疗的患者相比,仅显示了些许的临床益处。

本研究(IMPACT)旨在调查吉非替尼辅助治疗EGFR突变的非小细胞肺癌患者的疗效。

这是一项开放标签的随机的3期试验,招募了经手术完全切除的洗的EGFR突变(19号外显子缺失或L858R突变)的II-III期非小细胞肺癌患者,随机分成两组,接受吉非替尼(250 mg/日)治疗24个月或顺铂(80 mg/m2,第1天)联合长春瑞滨(25 mg/m2,第1和8天)治疗4个疗程(3周一疗程)。主要终点是无病生存期(DFS)。

两治疗组的无病生存期

2011年9月至2015年期间,共招募了234位患者随机分至两组。在232位可评估患者(每组各116位)中,吉非替尼组和顺铂+长春瑞滨组的中位DFS分别是35.9个月和25.1个月。但是,Kaplan-Meier曲线在术后4年左右相交,无统计学差异(风险比 0.92,95% CI 0.67-1.28;p=0.63)。两组的总生存期(OS)也无显著差异(HR 1.03, 95% CI 0.65-1.65; p=0.89),5年OS率分别是78.0%个74.6%。顺铂+长春瑞滨组发生了3例治疗相关死亡,而吉非替尼组0例。

两治疗组的总生存期

综上,虽然吉非替尼辅助治疗似乎可防止非小细胞肺癌早期复发,但并不能延长无病生存期或总生存期。但是,类似的DFS和OS可能证明在选定的患者亚群中使用吉非替尼辅助治疗是合理的,特别是那些被认为不适合铂双重辅助治疗的患者。

原始出处:

Tada Hirohito,Mitsudomi Tetsuya,Misumi Toshihiro et al. EGFRRandomized Phase III Study of Gefitinib Versus Cisplatin Plus Vinorelbine for Patients With Resected Stage II-IIIA Non-Small-Cell Lung Cancer With Mutation (IMPACT).[J] .J Clin Oncol, 2021, undefined: JCO2101729. https://doi.org/10.1200/JCO.21.01729

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    2022-06-23 lidong40
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