基于免疫治疗的全新辅助疗法或局部晚期直肠癌的标准新辅助化学辐射的比较:一个多机构的回顾性研究
Wen Zhao1,2, Wenxing Gao2,3, Jitao Du4
1School of Medicine, Nankai University, Tianjin, China.
Frontiers in immunology
|April 29, 2025
概括
与全新辅助疗法 (ICI + TNT) 结合的免疫疗法在直肠癌患者的免疫疗法与新辅助化学放射疗法 (ICI + nCRT) 相比,显示了类似的长期存活率和安全性. 治疗选择可能取决于患者选择的最佳结果.
科学领域:
- 在瘤学瘤学.
- 胃肠病学 胃肠病学
- 免疫治疗是一种免疫疗法.
背景情况:
- 免疫疗法与辐射疗法相结合,在MSS/pMMR LARC中显示出协同效应.
- 评估ICI + TNT与ICI + nCRT的长期结果至关重要.
研究的目的:
- 在LARC患者中,比较ICI + TNT与ICI + nCRT的长期结果和安全性.
- 评估无病生存率 (DFS),总生存率 (OS) 和病理完整反应 (pCR) 率.
主要方法:
- 对211名患有LARC的成年患者进行了回顾性研究 (T3-4/N1).
- 对比ICI + TNT与ICI + nCRT,然后进行手术.
- 分析了3年的DFS,OS,pCR率和不良事件.
主要成果:
- ICI + TNT显示了比ICI + nCRT (35.3%) 更高的pCR率 (49.4%).
- 在三年DFS (84.3%与81.9%) 或OS (94.0%与91.1%) 之间没有显著的差异.
- 年龄≤50岁和NAR分数≥8与较差的DFS相关.
结论:
- ICI + TNT的疗效和安全性与ICI + nCRT对MSS/pMMRLARC的疗效和安全性相当.
- 使用ICI + TNT的较高下降阶段并没有转化为更好的生存率.
- 完善患者选择是改善直肠癌预后的关键.
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