在MINDACT患者中全身治疗的好处小,ER阳性,HER2阴性乳腺癌患者
Florentine S Hilbers1, Coralie Poncet2, Konstantinos Tryfonidis2
1Department of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, Netherlands.
NPJ breast cancer
|November 3, 2024
概括
这项研究表明,小的基因组高风险乳腺癌可能不会从化疗中受益. 内分泌疗法改善了基因组高风险和低风险患者的治疗结果,这表明其在早期HR+,HER2-乳腺癌治疗中的价值.
科学领域:
- 在瘤学瘤学.
- 基因组学就是基因组学.
- 临床试验 临床试验
背景情况:
- 小型,激素受体阳性 (HR+),HER2阴性 (HER2-) 淋巴结阴性乳腺癌的复发率较低,导致系统治疗试验中的代表性不足.
- 由于试验数据有限,在这个特定的患者群体中全身治疗的益处仍然不确定.
研究的目的:
- 探索系统治疗,特别是化疗在患有小 (T1ab),HR+,HER2-,淋巴结阴性乳腺癌的患者的疗效.
- 分析基因组风险分类与临床风险对该患者群体治疗结果的影响.
主要方法:
- 对MINDACT试验数据 (NCT00433589) 的探索性分析,涉及715名HR+,HER2-,T1abN0乳腺癌患者.
- 患有不一致的临床和MammaPrint基因组风险的患者根据风险评估随机分配给化疗.
- 结果是根据8年远程转移无生存期 (DMFS) 和无疾病生存期 (DFS) 来评估的.
主要成果:
- 在基因组高风险瘤中,8年DMFS为92.9%,而基因组低风险瘤为95.0%.
- 对于基因组高风险瘤,化疗没有显著的益处 (8年DMFS 89.2%的化疗 vs 94.1%没有).
- 内分泌治疗与基因组低风险瘤 (8年DMFS96.1%与内分泌治疗相比92.9%没有) 的改善结果有关.
结论:
- 患有小基因组高风险HR+,HER2乳腺癌的患者可能不会从辅助化疗中受益.
- 内分泌疗法在基因组风险类别中表现出改善的结果,这表明其在管理早期HR+,HER2-乳腺癌方面的持续重要性.
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