Lancet Oncol:尼拉帕利联合伊匹单抗维持治疗可改善晚期胰腺癌患者预后

2022-07-09 MedSci原创 MedSci原创

尼拉帕利联合伊匹单抗作为晚期胰腺癌患者的维持治疗可改善患者预后

目前有人提议,为晚期胰腺癌患者建立终身化疗的替代方案,以解决化疗耐药性和累积毒性问题。PRRP抑制剂已在这种情况下显现出疗效,同时阻滞免疫检查点可提供协同肿瘤控制效益。该研究旨在评估晚期胰腺癌患者采用PARP抑制剂联合免疫检查点阻滞的安全性和抗肿瘤活性。

这是一项开放标签、随机化的1b/2期临床试验,招募了接受以铂为基础的治疗后16周未进展的晚期胰腺癌患者,随机予以尼拉帕利+纳武单抗或尼拉帕利+伊匹单抗治疗。主要终点是安全性和6个月时的无进展生存率。治疗组之间不做疗效对比,每组均设定无效假设,即6个月时的无进展生产率低于44%。


两组患者的无进展生存率和总生存率

2018年2月7日至2021年10月5日期间,共招募了91位患者,随机分至尼拉帕利+纳武单抗组(n=46)或尼拉帕利+伊匹单抗组(n=45)。在这些患者中,有84位被纳入疗效评估(尼拉帕利+纳武单抗组 44位,尼拉帕利+伊匹单抗组 40位)。中位随访了23.0个月。尼拉帕利+纳武单抗组的6个月无进展生存率是20.6%(与无效假设[44%]相比,p=0.0002),而尼拉帕利+伊匹单抗组的是59.6%(p=0.045)。


两组患者的不良反应

尼拉帕利+纳武单抗组和尼拉帕利+伊匹单抗组分别有10位(22%)和23位(50%)患者经历了3级及以上的治疗相关不良反应。尼拉帕利+纳武单抗组最常见的3级及以上不良反应有高血压(8%)、贫血(4%)和血小板减少症。尼拉帕利+伊匹单抗组最常见的有疲劳(14%)、贫血(11%)和高血压(9%)。无治疗相关死亡。

总之,尼拉帕利联合伊匹单抗作为晚期胰腺癌患者的维持治疗的6个月无进展生存率达到了预设终点,而尼拉帕利联合纳武单抗治疗的无进展生存率较差。这些发现突出了晚期胰腺癌患者进行非细胞毒性维持治疗的潜力。

原始出处:

Kim A Reiss, et al. Niraparib plus nivolumab or niraparib plus ipilimumab in patients with platinum-sensitive advanced pancreatic cancer: a randomised, phase 1b/2 trial. The Lancet Oncology. July 07, 2022. https://doi.org/10.1016/S1470-2045(22)00369-2

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    2022-08-16 howi
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    2022-11-10 minlingfeng
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    2022-07-10 younei

    lancet上果然牛,感谢梅斯更新及时

    0

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