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NEJM:曲妥珠单抗-美坦新偶联物二线治疗HER-2转移性乳腺癌

2020-02-13 MedSci MedSci原创

研究发现,曲妥珠单抗-美坦新偶联物对先前接受过曲妥珠单抗emtansine治疗的HER-2阳性转移性乳腺癌患者有效

曲妥珠单抗-美坦新偶联物(Trastuzumab deruxtecan,DS-8201)在I期临床中对HER2阳性晚期乳腺癌患者表现出良好的应答效果。近日研究人员考察了曲妥珠单抗-美坦新偶联物对先前接受过曲妥珠单抗emtansine患者的效果。

本次研究为II期临床研究,先前接受过曲妥珠单抗emtansine治疗的HER-2阳性晚期乳腺癌患者参与。在第一部分研究中,评估了3个剂量曲妥珠单抗-美坦新偶联物剂量以确定最佳剂量,第二部分研究中考察了推荐剂量的疗效和安全性。研究的主要终点为客观应答,次要终点为疾病控制率、临床受益率、应答时间以及无进展生存期。

184名患者接受了平均6轮推荐剂量(5.4mg/Kg体重)的曲妥珠单抗-美坦新偶联物治疗。112名患者对治疗有响应(60.9%)。随访11.1个月,平均的治疗响应时间为14.8个月,无进展生存期为16.4个月。研究期间,最常见的3级以上不良事件为中性粒细胞计数下降(20.7%)、贫血(8.7%)和恶心(7.6%)。13.6%的患者发生了间质性肺炎,其中1或2级占10.9%,3或4级占0.5%,5级占2.2%。

研究发现,曲妥珠单抗-美坦新偶联物对先前接受过曲妥珠单抗emtansine治疗的HER-2阳性转移性乳腺癌患者有效。

原始出处:

Shanu Modi et al. Trastuzumab Deruxtecan in Previously Treated HER2-Positive Breast Cancer. N Engl J Med, February 13, 2020.

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    2020-02-15 zhu_jun9840
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    2020-02-13 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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