在更年期前妇女中,二级三阴性乳腺癌的治疗和生存率的差异
A I Jacinto1, T H M Keegan2,3, Q Li3
1Department of Surgery, University of California, Davis, Sacramento, CA, USA.
Annals of surgical oncology
|January 9, 2026
概括
患有二次三阴性乳腺癌 (TNBC) 的女性面临更糟糕的生存结果. 没有化疗或TC疗法等治疗与较差的整体存活率有关,这表明需要对二次TNBC采取更积极的治疗策略.
科学领域:
- 在瘤学瘤学.
- 乳腺癌研究研究 乳腺癌研究
- 癌症流行病学 癌症流行病学
背景情况:
- 二次三阴性乳腺癌 (TNBC) 与初级TNBC相比,与较低的整体存活率 (OS) 和乳腺癌特异性存活率 (BCSS) 相关.
- 目前对二次TNBC缺乏治疗指南.
- 这项研究解决了确定和评估二次TNBC治疗的需要.
研究的目的:
- 为了确定给二次性TNBC患者的治疗方法.
- 评估这些治疗是否与OS和BCSS的差异有关.
- 为了比较初级和二级TNBC之间的治疗策略.
主要方法:
- 一个以人口为基础的,追溯的队列研究.
- 包括2003-2019年期间被诊断患有初级TNBC (N=9220) 或二次TNBC (N=682) 的绝经前妇女.
- 使用多变量逻辑回归来进行治疗比较和多变量考克斯比例危险回归来进行生存分析.
主要成果:
- 二次性TNBC患者比初级TNBC患者更频繁地没有接受化疗 (27.3%) 或非人环素治疗方案 (例如TC,23.8%).
- 乳腺切除术在二次TNBC患者中更常见 (OR 2.01).
- 在没有接受化疗 (HR 1.56) 或TC (HR 1.69) 的二次TNBC患者中观察到更糟糕的OS,但BCSS根据治疗类型没有显著差异.
结论:
- 二次性TNBC的治疗变化可能会影响OS,但BCSS即使在类似的治疗中仍然较差.
- 研究结果表明,对于二次TNBC,需要采取更积极的治疗方法.
- 考虑在二次TNBC的早期疾病阶段进行化疗是有必要的.
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