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随机临床试验的理由调查BCG疫苗接种在预防COVID-19感染方面的潜力

Magali Noval Rivas^1,2, Charles J Rosser³, Moshe Arditi^1,2,4

¹Department of Pediatrics, Division of Infectious Diseases and Immunology, Infectious and Immunologic Diseases Research Center (IIDRC) and Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA.

Bladder cancer (Amsterdam, Netherlands)

|July 12, 2024

概括

细菌卡尔梅特 - 格林 (BCG) 疫苗可以通过增强先天免疫力来保护2019年新冠病毒病 (COVID-19) . 需要进一步的临床试验来证实它的有效性,特别是对于像医疗保健工作者这样的高风险个体.

科学领域:

免疫学免疫学免疫学
传染性疾病传染性疾病
疫苗学疫苗学疫苗学

背景情况:

新型冠状病毒疾病2019 (COVID-19) 继续在全球传播,对公共健康构成重大威胁.
虽然COVID-19疫苗正在开发中,但广泛接种疫苗需要时间,使人口变得脆弱.
前线医疗保健工作者面临SARS-CoV-2暴露的高风险,需要紧急的保护策略.

研究的目的:

探索Bacillus Calmette-Guerin (BCG) 疫苗接种作为预防COVID-19的保护措施的潜力.
调查BCG疫苗接种是否可以提供针对SARS-CoV-2感染的非特异性天生的免疫增强.
确定BCG在保护高风险人群,如医疗保健工作者,免受COVID-19的有效性.

主要方法:

对BCG疫苗接种和COVID-19结果的流行病学和观察性研究的审查.
基于BCG已知的免疫调节效应 (训练免疫) 生成假设.
关于随机对照临床试验的建议,以严格评估BCG的保护作用.

主要成果:

现有数据表明,BCG疫苗接种和减少COVID-19发病率之间存在潜在的保护性关联.
已知BCG疫苗可以增强先天性免疫细胞功能,赋予对病毒感染的非特异性抵抗力.
目前的证据是观察性的,受到潜在偏差的限制,排除了因果推理.

结论:

根据BCG疫苗的研究,BCG疫苗是通过先天免疫增强来缓解COVID-19传播的潜在策略.
随机对照试验对于验证BCG能预防COVID-19的假设至关重要.
鉴于他们的暴露水平,优先考虑高风险群体 (如医疗保健工作者) 的试验至关重要.

关键词:

在BCG中,BCG是BCG.在 COVID-19 疫情中,这就是SARS-COV-2病毒.临床试验是指临床试验中的临床试验.

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