SARS-CoV-2 血抗体和核囊抗原状态预测了COVID-19 门诊患者的结果
Nikolaus Jilg1, Mark J Giganti2, Kara W Chew3
1Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
概括
在COVID-19患者中缺乏尖端抗体和核囊抗原的存在预测了严重的结果. 这些生物标志物可以帮助识别患有住院和延迟症状恢复的风险较高的人.
科学领域:
- 传染性疾病 传染性疾病
- 免疫学 免疫学 免疫学
- 生物标志物发现发现
背景情况:
- 预测2019年冠状病毒病 (COVID-19) 结果的可靠生物标志物至关重要.
- 这项研究研究了尖峰抗体 (Ab) 与血核体抗原 (N Ag) 水平和非住院患者的临床结果之间的关联,这些患者患有轻度至中度的COVID-19.
研究的目的:
- 为了评估严重急性呼吸系统综合征冠状病毒2 (SARS-CoV-2) 尖端Ab和NAg的预测价值,用于COVID-19的门诊患者的临床结果.
- 确定这些生物标志物是否与住院,死亡或症状改善的时间相关.
主要方法:
- 患有轻度至中度COVID-19的成人门诊患者被纳入ACTIV-2研究 (2021年1月至7月) 并随机分配到安慰剂.
- 使用定量测试来测量SARS-CoV-2血中的Ab和N Ag峰值.
- 评估了临床结果,包括28天内住院/死亡以及症状改善的时间.
主要成果:
- 在209名参与者中,37%的参与者有可量化的Ab峰值,67%的参与者有可量化的NAg.
- 与可量化的Ab (1.3%) 相比,无法量化的Ab (16.7%) 与住院/死亡的风险明显更高.
- 可量化的N Ag (15.8%) 与无法量化的N Ag (1.4%) 相比,也与住院/死亡的风险更高有关,N Ag水平的增加与风险增加有关.
- 症状改善的时间在那些没有可量化的尖峰Ab和可量化的N Ag的个体中更长.
结论:
- 缺少尖峰抗体和血核囊抗原的存在预测了COVID-19门诊患者住院/死亡的情况.
- 这些生物标志物也表明症状的延迟恢复.
- Ab和N Ag可以作为非住院患者COVID-19结果的有价值的预后指标.
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