Lancet:曲妥珠单抗对HER2阳性早期乳腺癌的11年随访结果

2017-03-25 xingxiaowei MedSci原创

曲妥珠单抗是HER2受体的单克隆抗体,可以显着增加HER2阳性早期乳腺癌患者的总生存期以及无病生存期。但是对于其疗效的长时间的随访数据仍然缺乏。

曲妥珠单抗是HER2受体的单克隆抗体,可以显着增加HER2阳性早期乳腺癌患者的总生存期以及无病生存期。但是对于其疗效的长时间的随访数据仍然缺乏。

Lancet近期发表了一篇针对曲妥珠单抗临床疗效的长期随访文章,该多中心3期临床试验共纳入来自39个国家的5102例HER2阳性的早期乳腺癌患者。在基础治疗(手术、放疗以及化疗)结束后,患者被随机分为3组:接受曲妥珠单抗治疗1年组(初始8mg/kg静脉注射,后续每3周一次6mg/kg),2年组(治疗方案与1年组相同)以及对照组。平均随访时间11年,接受1年曲妥珠单抗治疗组患者与对照组相比无病生存器明显增加,死亡率下降。2年曲妥珠单抗治疗组与1年曲妥珠单抗治疗组相比,无病生存期并无区别。各组的心脏毒性均较低,并且心脏毒性主要在治疗阶段出现。2年治疗组继发心脏终点事件发生率7.3%,1年组4.4%,观察组0.9%。

作者最后得出结论,对于HER2阳性的早期乳腺癌患者,化疗完成后接受1年的曲妥珠单抗治疗可以显着提升患者的长期无病生存情况,但是2年的曲妥珠单抗治疗并未有额外收益。

原始出处:
David Cameron,Martine J Piccart-Gebhart,et al.11 years'follow-up of trastuzumab after adjuvant chemotherapy in HER2-positive early breast cancer:final analysis of the HERceptin Adjuvant(HERA) trial.Lancet.25 March 2017 doi:http://dx.doi.org/10.1016/S0140-6736(16)32616-2 
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    2017-08-20 howi
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