免疫检查点抑制剂诱导性结肠炎中的类固醇耐药性风险因素:一个回顾性队列研究
Ke Meng1, Jing Chen1, Junzhe Chen1,2
1Department of Gastroenterology and Hepatology, The First Medical Center of Chinese People's Liberation Army (PLA) General Hospital, Beijing, China.
高血清干白素-6 (IL-6) 水平预测类固醇耐药免疫检查点抑制剂 (ICI) 诱导的大肠炎. 这一发现可能会为经历这种不良事件的患者做出早期治疗决策.
科学领域:
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
- 胃肠病学 胃肠病学
背景情况:
- 免疫检查点抑制剂 (ICI) 是有效的癌症治疗方法,但可能导致与免疫相关的不良事件 (irAEs).
- 免疫检查点抑制剂 (ICI) 诱导的大肠炎是一种显著的irAE,通常用皮质类固醇治疗.
- 一部分患者表现出类固醇耐药性结肠炎,需要对预测因素进行进一步调查.
研究的目的:
- 为了确定与类固醇耐药性免疫检查点抑制剂 (ICI) 诱导的大肠炎相关的风险因素.
- 评估临床和实验室参数对ICI诱导性结肠炎中皮质类固醇治疗反应的预测值.
主要方法:
- 对57名ICI诱导性大肠炎患者的回顾性分析.
- 分为类固醇反应和类固醇耐火组的分层.
- 多变量逻辑回归和卡普兰-梅尔生存分析以确定风险因素并比较生存率.
主要成果:
- 类固醇耐药组的血清中介质素-6 (IL-6) 水平显著更高 (81.7 pg/mL与24.1 pg/mL,P < 0.001).
- 较高的血清IL-6水平被确定为类固醇耐药性ICI诱导性结肠炎的独立危险因素.
- 大肠炎发作的时间,发烧,性病变和大肠炎的程度也在各组之间存在差异 (P <0.05).
结论:
- 大肠炎发作时血清IL-6水平是预测ICI诱导大肠炎的皮质类固醇治疗疗效的关键指标.
- 对具有高IL-6水平的患者来说,考虑选择性免疫抑制疗法可能是有益的.
- 需要进一步的研究,以优化对类固醇耐药病例的管理策略.
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