Pembrolizumab monotherapy for PD-L1 ≥50% non-small cell lung cancer, undisputed first choice?

Pembrolizumab monotherapy for PD-L1 ≥50% non-small cell lung cancer, undisputed first choice?
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Pembrolizumab 单药治疗 PD-L1 ≥50% 非小细胞肺癌,无可争议的首选?

DOI:
10.21037/atm.2019.06.35
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发表时间:
2019
影响因子:
--
通讯作者:
P. Baas
P. Baas
中科院分区:
医学4区
文献类型:
--
作者:
W. Theelen;P. Baas

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最近免疫疗法的引入极大地改变了晚期非小细胞肺癌(NSCLC)患者的治疗前景。在几项III期试验显示针对PD-1受体(纳武单抗和派姆单抗)及其配体PD-L1(atezolizumab)的单克隆抗体治疗的总生存期(OS)优于之前的标准治疗(SoC)多西他赛后,美国食品药品监督管理局和欧洲药品管理局很快批准了免疫检查点抑制剂(ICI)(1-5)。在一线环境中,随机III期KEYNOTE-024试验是第一项显示帕博利珠单抗相对于铂双联化疗在PD-L1肿瘤比例评分(TPS)≥50%的未经治疗的转移性非小细胞肺癌患者中的OS获益的研究(HR 0.60; 95%CI,0.41-0.89; P=0.005)(6)。在第二次中期分析时,达到了主要终点-无进展生存期(PFS),试验提前停止。这导致帕博利珠单抗一线治疗TPS ≥ 50%的晚期NSCLC获批。
The recent introduction of immunotherapy has drastically changed the treatment landscape of patients with advanced non-small cell lung cancer (NSCLC). Approval by the US Food and Drug Administration and the European Medicines Agency of immune checkpoint inhibitors (ICIs) soon followed after several phase III trials showed superior overall survival (OS) of the monoclonal antibody therapy directed against the PD-1 receptor (nivolumab and pembrolizumab) and its ligand PD-L1 (atezolizumab) over previously standard of care (SoC) docetaxel (1-5). In first-line setting, the randomized phase III KEYNOTE-024 trial was the first study to show an OS benefit of pembrolizumab over platinum-doublet chemotherapy in treatment-naive patients with metastatic NSCLC harbouring a PD-L1 tumor proportion score (TPS) of ≥50% (HR 0.60; 95% CI, 0.41–0.89; P=0.005) (6). At the second interim analysis the primary endpoint—progression free survival (PFS)—was reached and the trial was prematurely stopped. This resulted in approval for first-line treatment with pembrolizumab for advanced NSCLC with a TPS of ≥50%.
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