BMC Cancer:倾向评分匹配(PSM)研究表明抗PD-1联合索拉非尼较抗PD-1单药改善晚期肝细胞癌患者的预后

2022-01-15 yd2015 MedSci原创

该研究首次表明,抗PD-1联合索拉非尼较抗PD-1单药改善晚期肝细胞癌患者的预后。

血管内皮生长因子(VEGF)在肿瘤微环境中发挥作用。索拉非尼抑制VEGF通路,具有免疫调节功能,但缺乏大量临床数据。因此,来自我国台北学者开展了一项倾向评分匹配(PSM)研究,旨在探讨抗PD - 1联合索拉非尼治疗晚期肝细胞癌的疗效。相关结果发表在BMC Cancer杂志上。

我们回顾了2016年1月至2019年2月在台北荣民总医院(台北)接受抗PD - 1治疗的HCC患者。进行倾向性评分匹配后,比较两组疗效。

筛查173例患者,最终纳入140例HCC患者,58例联合使用抗pd -1和索拉非尼,82例单独使用抗pd -1,中位随访时间为9.1个月。Nivolumab治疗123例(87.9%),而pembrolizumab治疗17例(12.1%)。匹配前,联合组ALBI评分显著高于对照组,PVT显著高于对照组(74.1% vs. 46.3%,p<0.05)和更晚期的BCLC期(C期94.8% vs. 81.7%, p<0.05)。

独抗pd -1相比,联合治疗有更高的CR率(8.6% vs. 4.9%, n.s .)、ORR (22.4% vs. 19.5%, n.s .)和更高的DCR (69.0% vs. 37.8%, p<0.05)。配对后,联合治疗的DCR仍然较高。

        PSM前后疗效评估

配对后,联合组获得更长的无进展生存期(3.87 vs. 2.43个月,HR 0.62, [0.38–1.00],p<0.05)和总生存期(未达到vs. 7.17个月,HR 0.62, [0.38–1.00],p<0.05)。

           PSM后PFS和OS

亚组分析也发现联合治疗较抗PD-1单药治疗改善大多数亚组的PFS和OS。

             亚组分析

AFP的下降与治疗的CR率和ORR相关,下降越多,联合治疗组的CR率和ORR越高。

               AFP变化与疗效关系

综上,该研究首次表明,抗PD-1联合索拉非尼较抗PD-1单药改善晚期肝细胞癌患者的预后。

原始出处:

Chen SC, Huang YH, Chen MH, Hung YP, Lee RC, Shao YY, Chao Y. Anti-PD-1 combined sorafenib versus anti-PD-1 alone in the treatment of advanced hepatocellular cell carcinoma: a propensity score-matching study. BMC Cancer. 2022 Jan 11;22(1):55. doi: 10.1186/s12885-022-09173-4. PMID: 35016637.

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    2022-10-02 xjy02
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