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临床试验/NCT05484700
NCT05484700Unknown不适用

SARS-CoV-2 Neutralizing Antibodies and Immunity After Vaccination of Recovered Patients With COVID-19 and Correlation With Immunity and Long-COVID-19 Symptoms

Mahidol University1 个研究点 分布在 1 个国家目标入组 305 人开始时间: 2021年12月30日最近更新:
适应症

试验速览

阶段
不适用
入组人数
305
试验地点
1
主要终点
Anti-SARS-CoV-2 NP

研究概览

简要总结

We investigated the association between immune system responsibilities in Long COVID patients and Full recovery patients.

详细描述

This retrospective cohort study compared immunogenicity post COVID-19 between individuals (aged 18-65 years and had confirmed SARS-CoV-2 infection from January to May 2022 ) with residual Long COVID-19 symptoms (LC) and ones with full recovery (Full) related to pathophysiology, immunology and clinical consequence.

研究设计

研究类型
Observational
观察模型
Cohort
时间视角
Retrospective

入排标准

年龄范围
18 Years 至 65 Years(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • Long COVID group; at longer than 1-month post COVID-19 based the presence of one of the three following symptoms: fatigue/myalgia, breathlessness, and anorexia
  • Full recovery group; patients with asymptomatic symptoms
  • post COVID-19 they had not received any additional COVID vaccine

排除标准

  • people who received additional vaccination after leaving quarantine before the day of the immunization test
  • pregnant patients,
  • people who had a history of allergic reactions after COVID-19 vaccination or any drugs

结局指标

主要结局

Anti-SARS-CoV-2 NP

时间窗: Baseline

surrogate Virus Neutralization Test (sVNT) (PRNT50 titer)

Microneutralization assays

时间窗: Baseline

Microneutralization assays using the authentic SARS-CoV-2 viruses

Anti-SARS-CoV-2 RBD IgG

时间窗: Baseline

anti-SARS-CoV-2 receptor-binding domain immunoglobulin G(BAU/mL)

次要结局

  • Number of vaccine injection(Baseline)
  • Prevalence of Long COVID-19 symptoms(Baseline)

研究者

申办方类型
Other
责任方
Sponsor

研究点 (1)

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