通过分子分析指导的炎症激素受体阳性乳腺癌的成功非传统精确治疗
Jailan Elayoubi1, Yu Zong2, Erich J Schwartz3
1Oncology Department, Wayne State University, Detroit, MI, USA. elayoubij@karmanos.org.
NPJ precision oncology
|March 7, 2025
概括
一名患有高风险激素受体阳性乳腺癌的年轻女性接受了三阴性乳腺癌协议的治疗. 这种方法导致了完全的反应,患者在两年内保持无病状态.
科学领域:
- 在瘤学瘤学.
- 基因组学就是基因组学.
- 乳腺癌研究研究 乳腺癌研究
背景情况:
- 局部发达,炎症激素受体 (HR) 阳性,人体表皮生长因子受体2 (HER2) 阴性乳腺癌存在独特的挑战,特别是在年轻女性中.
- 准确的分子亚型确定对于在复杂的乳腺癌病例中确定最佳治疗策略至关重要.
研究的目的:
- 报告一个HR阳性,HER2阴性乳腺癌的独特病例,其分子特征类似于三阴性乳腺癌 (TNBC).
- 评估新辅助TNBC治疗方案在具有这种特定分子谱的患者中的疗效.
主要方法:
- 进行MammaPrint和BluePrint80基因签名基因组测定,对核心活检组织进行风险分层和分子亚型化.
- 该患者接受了新辅助化疗,其中包括卡博普拉丁和免疫疗法,在基于人环素的治疗方案中,这是通常用于TNBC的协议.
- 评估了临床反应,并进行了长期随访.
主要成果:
- MammaPrint表示复发的风险非常高 (MPH2).
- 蓝印鉴定出瘤为基底亚型,尽管通过免疫组织化学 (IHC) 强烈表达雌激素受体 (ER).
- 患者对TNBC启发的新辅助治疗方案获得了完整的临床反应.
结论:
- 这一案例凸显了将基因组分析 (MammaPrint,BluePrint) 与IHC集成为精确的乳腺癌亚型化的重要性,即使在结果不一致的情况下也是如此.
- 一种新辅助性TNBC治疗策略,包括卡博普拉丁和免疫疗法,可以在HR阳性乳腺癌中表现出基底类分子特征时非常有效.
- 患者在治疗后两年内仍然没有疾病,这表明在特定情况下这种定制治疗方法的潜力.
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