对于BCG疫苗对阿尔茨海默病风险的异质治疗效应
Irfan Chaudhuri1,2, Sudeshna Das2,3
1Department of Epidemiology, Harvard University, Cambridge, MA, USA.
Journal of Alzheimer's disease reports
|March 4, 2025
概括
菌卡尔梅特-盖林 (BCG) 疫苗可以降低非肌肉侵入性膀癌患者患阿尔茨海默病和相关痴呆症 (ADRD) 的风险. 这种低成本的疫苗显示出预防ADRD的潜力,副作用很少.
科学领域:
- 神经科学是一个神经科学.
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
背景情况:
- 研究了Bacillus Calmette-Guérin (BCG) 疫苗在预防阿尔茨海默病和相关痴呆症 (ADRD) 的作用.
- 专注于被诊断为非肌肉侵入性膀癌 (NMIBC) 的患者.
研究的目的:
- 使用机器学习确定BCG治疗在降低ADRD风险方面的作用.
- 分析BCG治疗对ADRD发展的影响的异质性.
主要方法:
- 50岁以上NMIBC患者的回顾性队列研究 (1987年5月 - 2021年5月).
- 随访时间为15年.
- 机器学习算法,包括生存分析和随机森林,是主要的分析方法.
主要成果:
- 与对照组相比,BCG治疗的NMIBC患者患ADRD的风险降低了6.9%.
- 基于先前存在的疾病检测到异质的治疗效应.
- 患有精神健康障碍的患者在BCG治疗后,ADRD风险降低了14.7%.
- 患有呼吸道疾病的患者在使用BCG时,ADRD风险增加了13.6%.
结论:
- BCG与ADRD风险降低有关,这得到了新型分析方法的支持.
- 观察到治疗效果的异质性,特别是在患有精神健康或呼吸系统疾病的患者中.
- BCG为ADRD提供了一个潜在的低成本,低副作用的预防策略.
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