NEJM:派姆单抗联合新辅助化疗治疗早期三阴性乳腺癌

2020-02-28 MedSci MedSci原创

在早期三阴性乳腺癌患者中,在新辅助化疗基础上添加派姆单抗可显著提高病理完全反应百分比

先前的研究表明,在早期三阴性乳腺癌患者中,派姆单抗(Pembrolizumab,KEYTRUDA)具有良好的抗肿瘤活性和安全性。近日研究人员考察了在新辅助化疗中加入派姆单抗对早期三阴性乳腺癌患者病理完全反应的改善作用。

本次研究为III期临床研究,先前未治疗的II或III期三阴性乳腺癌患者在新辅助治疗(紫杉醇和卡铂)基础上,接受每3周4轮派姆单抗(200mg)治疗或安慰剂。研究的主要终点是手术时病理完全反应率以及意向治疗人群的无事件生存率。

在第一次中期分析中,首批602名患者中,派姆单抗-化疗组病理完全缓解率为64.8%,安慰剂-化疗组为51.2%。中位随访15.5个月后,派姆单抗-化疗组784名患者中有58名(7.4%)和安慰剂-化疗组390名患者中有46名(11.8%)出现疾病进展,排除手术、有局部或远处复发或第二原发肿瘤或任何原因的死亡(HR:0.63)。在所有治疗阶段,派姆单抗-化疗组3级或以上相关不良事件发生率为78.0%,安慰剂-化疗组为73.0%,不良事件死亡率分别为0.4%(3例)和0.3%(1例)。

在早期三阴性乳腺癌患者中,在新辅助化疗基础上添加派姆单抗可显著提高病理完全反应百分比。

原始出处:

Peter Schmid et al. Pembrolizumab for Early Triple-Negative Breast Cancer. N Engl J Med, February 27, 2020.

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    2020-03-01 xlysu
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    2020-02-28 健康达人

    肿瘤免疫是大家关心的话题,K药与其它药对比,值得关注!

    0

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    2020-02-28 旺医

    顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息

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