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Antibody Detection in COVID-19 Cured Patients (SARS-CoV-2-CZ-Immunity)

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StatusCompleted
Sponsors
Institute of Health Information and Statistics of the Czech Republic
Collaborators
Ministry of Health, Czech Republic
Faculty of Medicine, Masaryk University
Institute for Clinical and Experimental Medicine
Brno University Hospital
St. Anne's University Hospital Brno, Czech Republic
Masaryk Memorial Cancer Institute
Regional Public Health Office of the South Moravian Region based in Brno, Czech Republic
Public Health Office of the Capital City of Prague, Czech Republic
Regional Public Health Office of the Central Bohemian Region based in Prague, Czech Republic

Keywords

Abstract

The aim of the SARS-CoV-2-CZ-Immunity study is to determine the time profile of the presence of antibodies against SARS-CoV-2 in blood plasma by quantification of antibodies or performing a rapid test in COVID-19 cured patients.

Description

COVID-19 is caused by a new type of coronavirus called SARS-CoV-2. It is a highly infectious disease, manifested mainly by fever, respiratory problems, muscle pain, and fatigue. However, despite the publication of hundreds of papers in the literature, fundamental information about the spread and course of the disease is still lacking in COVID-19. One of such key information is the time profile of the presence of antibodies against SARS-CoV-2 after the disease.

The SARS-CoV-2-CZ-Immunity study is aiming at the determination of the time profile of the presence of antibodies against SARS-CoV-2 in blood plasma by quantification of antibodies or performing a rapid test in COVID-19 cured patients.

Dates

Last Verified: 05/31/2020
First Submitted: 06/29/2020
Estimated Enrollment Submitted: 06/29/2020
First Posted: 06/30/2020
Last Update Submitted: 06/29/2020
Last Update Posted: 06/30/2020
Actual Study Start Date: 05/17/2020
Estimated Primary Completion Date: 06/02/2020
Estimated Study Completion Date: 06/02/2020

Condition or disease

COVID
SARS-CoV-2

Intervention/treatment

Diagnostic Test: Quantitative analysis of anti-SARS-CoV-2-antibodies

Diagnostic Test: Cohort 1 - Prague and Central Bohemian Region

Phase

-

Arm Groups

ArmIntervention/treatment
Cohort 1 - Prague and Central Bohemian Region
A population cohort of cured patients based on epidemiologically defined demographic parameters - Prague and Central Bohemian Region population
Diagnostic Test: Cohort 1 - Prague and Central Bohemian Region
The rapid test detects the presence of antibodies against SARS-CoV-2 by the immunochromatographic reaction.
Cohort 2 - South Moravian Region
A population cohort of cured patients based on epidemiologically defined demographic parameters - South Moravian Region population.

Eligibility Criteria

Ages Eligible for Study 8 Years To 8 Years
Sexes Eligible for StudyAll
Sampling methodNon-Probability Sample
Accepts Healthy VolunteersYes
Criteria

Inclusion Criteria:

- signed Informed Consent

- residing in Prague, Central Bohemian Region or South Moravian Region

- demographic criteria: persons aged 8-17 and persons aged 18 and more

- clinical criteria: (i) diagnosis of COVID-19 confirmed by PCR (ii) cured patients: clearance of SARS-CoV-2 viral RNA demonstrated by two consecutive negative RT-PCR results (iii) without acute health problems

Outcome

Primary Outcome Measures

1. Determination of the concentration of anti-SARS-CoV-2 antibodies in relation to the categories of cured patients. [May 2020]

The primary outcome is the determination of the concentration of anti-SARS-CoV-2 antibodies IgG, IgM, and IgA classes in relation to the categories of cured patients according to the time from the date of cure from the COVID-19 disease to the date of examination.

Secondary Outcome Measures

1. Determination of the concentration of anti-SARS-CoV-2 antibodies in relation to the age and to the severity of the disease. [June 2020]

The determination of the concentration of anti-SARS-CoV-2 antibodies IgG, IgM, and IgA classes in relation to the categories of cured patients according to their age: category 8-17, 18-39, 40-59, 60 and more years and according to the severity of the disease.

2. The quantification of the dependence of the change in the concentration of anti-SARS-CoV-2 antibodies. [June 2020]

The quantification of the dependence of the change in the concentration of anti-SARS-CoV-2 antibodies IgG, IgM, and IgA classes on the time since cure (analysis by statistical model)

Other Outcome Measures

1. The identification of potential donors of convalescent plasma. [June2020]

The identification of individuals in the study population, who can be contacted as voluntary donors of convalescent plasma, which is one of the therapeutic modalities in patients with severe COVID-19 disease.

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