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一个GI-6207的第二阶段研究在患有复发性髓性甲状腺癌的患者中
Jaydira Del Rivero1, Renee N Donahue2, Jennifer L Marte2
1Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States of America.
The oncologist
|December 30, 2025
概括
一种针对癌胚抗原 (CEA) 的基于酵母的新型免疫疗法在患有甲状腺髓癌 (MTC) 的患者中表现出良好的耐受性. 然而,这种免疫疗法在六个月后没有显著影响瘤生长率.
科学领域:
- 在瘤学瘤学.
- 免疫治疗是一种免疫疗法.
- 甲状腺癌研究研究
背景情况:
- 甲状腺髓癌 (MTC) 约占甲状腺癌的4%.
- 针对性的疗法,如万德坦尼布,卡博赞提尼布和塞尔珀卡提尼布可用于高级的MTC,但可能会导致毒性.
- 临床前研究表明,针对癌胚抗原 (CEA) 的免疫疗法是MTC的潜在治疗方法.
研究的目的:
- 评估基于Saccharomyces cerevisiae (酵母菌) 的免疫治疗以CEA为向的高级或复发性MTC患者的疗效和安全性.
- 为了比较接受免疫治疗和接受监测的患者在六个月后的素生长率.
主要方法:
- 一项随机对照试验,涉及34名患有晚期/复发性MTC的患者.
- 患者被分配1:1接受酵母CEA免疫疗法 (GI-6207) 在入学时或六个月的监测后.
- 主要终点是两组在六个月后的色素增长率的比较.
主要成果:
- 在免疫疗法和监测组六个月后 (p=0.3760) 观察到素增长率没有显著差异.
- 免疫疗法在3个月后增加了58%的患者的外围CEA特异性CD4和/或CD8T细胞.
- 治疗耐受性良好,大多数不良事件是1级注射部位反应;没有发生3级或4级事件.
结论:
- 基于酵母的CEA免疫疗法 (GI-6207) 在患有晚期MTC的患者中耐受良好.
- 免疫疗法对瘤生长率没有显著影响,这是通过六个月的酸动力学来衡量的.
- 可能需要进一步的研究来探索免疫治疗在MTC管理中的作用.
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