JAMA Oncol:Abemaciclib联合内分泌治疗高风险早期乳腺癌

2022-06-06 MedSci原创 MedSci原创

阿贝西利联合内分泌辅助治疗可显著改善HR+HER2-、淋巴结阳性高复发风险早期乳腺癌患者的生存预后

激素受体阳性(HR+)、HER2阴性、高风险、高肿瘤负荷的早期乳腺癌患者通常采用新辅助化疗(NAC )以提高患者进行保乳手术的可能性。NAC后手术时乳腺和(或)淋巴结的残留病灶与所有乳腺癌亚型(包括HR+HER2-乳腺癌)预后较差有关。

MonarchE研究旨在对比HR+HER2-高风险早期乳腺癌患者接受NAC±阿贝西利(Abemaciclib)治疗的疗效和安全性。

这是一项多中心、开放标签的3期随机试验,招募了HR+HER2-淋巴结阳性、高复发风险的早期乳腺癌患者,随机(1:1)分成两组,予以标准的内分泌(ET)治疗至少5年,加用或不加用阿贝西利(150 mg,2次/日)治疗2年。主要终点是无侵袭性疾病生存率(IDFS)和无侵袭性疾病生存率(DRFS)。


两组患者的IDFS和DRFS

2017年7月至2019年8月期间,共有2056位患者(平均49.9岁,2046位女性)进行了NAC治疗。截止2020年7月8日,中位随访了19个月。在亚组分析中,与单纯内分泌治疗相比,内分泌+阿贝西利治疗可明显改善患者的IDFS(HR 0.61)和DRFS(HR 0.61),相应的两年IDFS率和两年DRFS率分别绝对提高了6.6%和6.7%。而且,在病理乳腺肿瘤大小或阳性淋巴结数量的亚组中观察到了一致的治疗获益。

总之,阿贝西利联合内分泌辅助治疗可显著改善HR+HER2-、淋巴结阳性高复发风险早期乳腺癌患者的生存预后,包括无侵袭性疾病生存率和无侵袭性疾病生存率。

原始出处:

Martin M, Hegg R, Kim S, et al. Treatment With Adjuvant Abemaciclib Plus Endocrine Therapy in Patients With High-risk Early Breast Cancer Who Received Neoadjuvant Chemotherapy: A Prespecified Analysis of the monarchE Randomized Clinical Trial. JAMA Oncol. Published online June 02, 2022. doi:10.1001/jamaoncol.2022.1488

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    2023-05-19 minlingfeng
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    2023-04-23 yb6560
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    2022-10-02 gwc392
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    2022-06-07 fengyi812
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    2022-06-06 肿瘤克星

    JAMA上文章都是顶级的,谢谢梅斯及时上新

    0

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