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在新辅助的HER2向双重治疗期间,在HER2阳性节点阳性乳腺癌中,腹反应和治疗影响的差异

Exian Mou^1,2, Juan Ji³, Shiwei Liu²

¹Department of Medical Oncology of Cancer Center, West China Hospital, Sichuan University, Chengdu, China.

Scientific reports

|November 2, 2024

概括

具有HER2 3+疾病和高Ki-67水平的HER2阳性乳腺癌患者对新辅助疗法表现出更好的下病理完整反应 (ApCR). TCb疗法显著改善了ApCR率,特别是在HER2 3+亚组中.

科学领域:

在瘤学瘤学.
乳腺癌研究研究乳腺癌研究
分子诊断学分子诊断

背景情况:

HER2阳性乳腺癌需要有针对性的疗法.
新辅助疗法 (NAT) 旨在在手术前减少瘤负担.
在节点阳性乳腺癌的治疗决策中,轴分期至关重要.

研究的目的:

在接受标准双向治疗的HER2阳性乳腺癌亚组中调查尾结局.
确定对新辅助疗法 (NAT) 敏感度增强的患者子组.
评估与股病理完整反应 (ApCR) 相关的因素.

主要方法:

对215名HER2阳性,结节阳性女性乳腺癌患者的回顾性分析.
患者接受了标准的新辅助HER2向双重疗法和手臂淋巴结剖析 (ALND).
进行了单变量和多变量分析,以确定ApCR的预测因子.

主要成果:

总体ApCR率为76.7%. 这是一个很好的例子.
HER2 3+ 疾病 (80.7% ApCR) 的 ApCR 显著高于 HER2 2+/FISH+ 疾病 (63.3%).
更高的Ki-67 (≥20%) 和TCb新辅助化疗方案与实现ApCR的可能性增加有关.

结论:

与HER2 2+/FISH+患者相比,HER2 3+乳腺癌患者对新辅助双重向疗法表现出优异的腹反应.
TCb新辅助化疗方案与改善的股病理完整反应有关,特别是在HER2 3+患者中.
识别特定的HER2亚组和治疗方案可以优化HER2阳性乳腺癌的新辅助治疗策略.

关键词:

轴心的病理完整反应.乳腺癌乳腺癌乳腺癌在HER2中,HER2是HER2.新辅助剂HER2向双重治疗 TCb TCb 是一个

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