Lancet:阿特珠单抗用于早期三阴性乳腺癌的辅助化疗

2020-09-21 MedSci原创 MedSci原创

对于早期三阴性乳腺癌患者,阿特珠单抗-白蛋白结合型紫杉醇-阿霉素-环磷酰胺疗法可显著提高组织病理学响应

目前,早期三阴性乳腺癌(TNBC)患者的一线新辅助化疗方案包括蒽环类-环磷酰胺和紫杉烷类化疗。在IMpassion031研究中,研究人员考察了阿特珠单抗联合白蛋白结合型紫杉醇-阿霉素-环磷酰胺作为早期TNBC的新辅助治疗方案的效果。

本次III期临床研究在13个国家的75个医疗中心开展,18岁以上的,未经治疗的II-III期TNBC患者参与,在白蛋白结合型紫杉醇(125mg/m 2,每周1次,持续12周)-阿霉素(60mg/m 2,每2周1次,持续8周)-环磷酰胺(600 mg/m 2,每2周1次,持续8周)治疗基础上,随机接受840mg阿特珠单抗或安慰剂,每2周1次。研究的主要终点为病理学完全反应。

333名患者参与研究,其中阿特珠单抗组165人,安慰剂组168人。阿特珠单抗组平均随访20.6个月,安慰剂组平均随访19.8个月。阿特珠单抗组95名患者实现组织病理学完全反应,安慰剂组为69人(58% vs 41%)。在PD-L1阳性亚组中,69%的阿特珠单抗组患者实现组织病理学完全反应,安慰剂组为49%。研究期间,阿特珠单抗组37名患者出现3-4级治疗相关严重不良事件,安慰剂组26例(23% vs 16%),各组均有1名患者出现5级不良事件。

研究认为,对于早期三阴性乳腺癌患者,阿特珠单抗-白蛋白结合型紫杉醇-阿霉素-环磷酰胺疗法可显著提高组织病理学响应。

原始出处:

Prof Elizabeth A Mittendorf et al. Neoadjuvant atezolizumab in combination with sequential nab-paclitaxel and anthracycline-based chemotherapy versus placebo and chemotherapy in patients with early-stage triple-negative breast cancer (IMpassion031): a randomised, double-blind, phase 3 trial. Lancet. September 20, 2020.

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    2021-01-13 howi
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    2020-09-23 xlysu
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    2020-09-21 goodbing

    顶刊就是不一样,质量很高,内容精彩!学到很多

    0

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    2020-09-21 ms4000000683887001

    帮,学到了

    0

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