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ClinicalTrials.gov public records Last synced Oct 3, 2026, 5:08 PM EDT

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Showing 25–48 of 76 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: COVID-19 antibody test Clear all
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 SARS-CoV-2 RAST Study

NCT06452056
View directory record Official record
Conditions
SARS-CoV2 Infection
Interventions
Rapid Antigen Screening Test
Device
Lead sponsor
Columbia University
Other
Eligibility
2 Years and older
Enrollment
337 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 11, 2024 · Synced Oct 3, 2026, 5:08 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Point of Care Evaluation of Novir 2019-nCoV Immunoglobulin G/ Immunoglobulin M (IgG/IgM) Antibody Test (Collodial Gold)

NCT04902911
View directory record Official record
Conditions
Covid19
Interventions
COVID-19 SARS-CoV IgG/IgM antibody rapid test
Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
21 Years and older
Enrollment
91 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Wauwatosa, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 8, 2024 · Synced Oct 3, 2026, 5:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Collection of Anti-SARS-CoV-2 Immune Plasma

NCT04344977
View directory record Official record
Conditions
Coronavirus Disease 2019 (COVID-19)
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
3
States / cities
Torrance, California • Miami, Florida • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 5, 2021 · Synced Oct 3, 2026, 5:08 PM EDT
Terminated Phase 2 Interventional Results available

ANTIBODY-LEVEL BASED ANALYSIS OF COVID-19 CONVALESCENT SERUM (ABACCuS)

NCT04432272
View directory record Official record
Conditions
COVID-19, Severe Acute Respiratory Syndrome (SARS), Coronavirus Infections
Interventions
COVID-19 convalescent plasma
Biological
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Oct 3, 2026, 5:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Beaumont Health Large-scale Automated Serologic Testing for COVID-19

NCT04349202
View directory record Official record
Conditions
COVID-19, Coronavirus Infection, Severe Acute Respiratory Syndrome Coronavirus 2
Interventions
EUROIMMUN assay
Diagnostic Test
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
20,614 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 5, 2021 · Synced Oct 3, 2026, 5:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Prospective Virtual Study to Evaluate the Longevity of IgG Antibodies in Individuals Exposed to COVID-19

NCT05042193
View directory record Official record
Conditions
SARS-CoV-2 Acute Respiratory Disease
Interventions
SARS-CoV-2
Other
Lead sponsor
Everly Health
Industry
Eligibility
18 Years and older
Enrollment
1,883 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2022 · Synced Oct 3, 2026, 5:08 PM EDT
Completed No phase listed Observational

ScreenNC, a Study to Determine the Number of Asymptomatic Individuals Who Have Antibodies to the Virus That Causes COVID-19

NCT04367740
View directory record Official record
Conditions
Asymptomatic Condition, Infection Viral, Coronavirus Infections, Severe Acute Respiratory Syndrome Coronavirus 2, Coronaviridae Infections, RNA Virus Infections, Virus Diseases, Communicable Disease
Interventions
To assess for development of IgG antibodies against SARS-CoV2
Diagnostic Test
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
6,313 participants
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 9, 2023 · Synced Oct 3, 2026, 5:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

MURDOCK Cabarrus County COVID-19 Prevalence and Immunity (C3PI) Study

NCT04424004
View directory record Official record
Conditions
COVID 19
Interventions
COVID-19 PCR and serology testing
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 4, 2022 · Synced Oct 3, 2026, 5:08 PM EDT
Completed No phase listed Observational

Clinical Evaluation of a Point-of-Care (POC), SARS-CoV-2 (COVID-19) IgG Antibody Test in Fingerstick Whole Blood

NCT04699903
View directory record Official record
Conditions
SARS-Cov-2, Covid19
Interventions
POC SARS-Cov-2 IgG Antibody test
Diagnostic Test
Lead sponsor
Lumos Diagnostics
Industry
Eligibility
1 Year and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
3
States / cities
Colton, California • West Palm Beach, Florida • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 18, 2021 · Synced Oct 3, 2026, 5:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 and Obstetric Transmission

NCT04418557
View directory record Official record
Conditions
COVID, Pregnancy Complications
Interventions
RT-PCR and antibody testing
Diagnostic Test
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 22, 2022 · Synced Oct 3, 2026, 5:08 PM EDT
Completed Phase 2 Interventional Results available

Convalescent Plasma to Limit SARS-CoV-2 Associated Complications

NCT04373460
View directory record Official record
Conditions
SARS-CoV 2
Interventions
SARS-CoV-2 convalescent plasma, Plasma from a volunteer donor
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
1,225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
29
States / cities
Birmingham, Alabama • Chinle, Arizona • Phoenix, Arizona + 24 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2023 · Synced Oct 3, 2026, 5:08 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

NOWDx Test for the Detection of Antibodies to COVID-19 in Lay Persons

NCT04799392
View directory record Official record
Conditions
COVID-19, SARS-CoV-2, Coronavirus
Interventions
NOWDx COVID-19 Test
Device
Lead sponsor
NOWDiagnostics, Inc.
Industry
Eligibility
2 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
5
States / cities
Fayetteville, Arkansas • Anoka, Minnesota • Nixa, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2021 · Synced Oct 3, 2026, 5:08 PM EDT
Completed No phase listed Observational

The COVID-19 PUI Reality Check (CPRC) Study

NCT04474288
View directory record Official record
Conditions
Covid19 Immunology
Interventions
SARS-CoV-2 antibody testing
Diagnostic Test
Lead sponsor
Bassett Healthcare
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Cooperstown, New York
Source: ClinicalTrials.gov public record
Updated Mar 11, 2022 · Synced Oct 3, 2026, 5:08 PM EDT
Completed Phase 2 Interventional Results available

COVID Protection After Transplant - Sanofi GSK (CPAT-SG) Study

NCT05518487
View directory record Official record
Conditions
COVID-19, Kidney Transplant
Interventions
Sanofi-GSK monovalent (B.1.351) CoV2 preS dTM-AS03 COVID-19 vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
6
States / cities
San Diego, California • San Francisco, California • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Oct 3, 2026, 5:08 PM EDT
Not listed No phase listed Observational

Investigation of Antibody and Immune Responses to SARS-CoV-2 Proteins in COVID-19 Patients

NCT04465981
View directory record Official record
Conditions
COVID-19, SARS-CoV-2 Infection
Interventions
Sampling
Diagnostic Test
Lead sponsor
INanoBio Inc.
Industry
Eligibility
18 Years and older
Enrollment
80 participants
Timeline
2020 – 2022
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 27, 2021 · Synced Oct 3, 2026, 5:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

SARS-CoV-2 (COVID-19) Immune Surveillance Among a Population Based Sample of Adults in Florida

NCT04596579
View directory record Official record
Conditions
Coronavirus Infection
Interventions
SARS-CoV-2 Antibody Analysis, Weck-cel Swab Collection, Web Based Questionnaire
Diagnostic Test · Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
1,135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Oct 3, 2022 · Synced Oct 3, 2026, 5:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

TekiTrust Tests to Determine the Level of SARS-COV-2/COVID-19 Neutralizing Antibodies in the Blood

NCT05338762
View directory record Official record
Conditions
SARS-CoV2 Infection
Interventions
Not listed
Lead sponsor
MiCo BioMed Co., Ltd.
Industry
Eligibility
18 Years and older
Enrollment
218 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
5
States / cities
Starkville, Mississippi • Englewood Cliffs, New Jersey • Cincinnati, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2022 · Synced Oct 3, 2026, 5:08 PM EDT
Recruiting No phase listed Observational

COVID-19 Transmission and Morbidity in Malawi

NCT05973084
View directory record Official record
Conditions
SARS CoV 2 Infection, SARS CoV 2 Vaccination
Interventions
Not listed
Lead sponsor
Boston University
Other
Eligibility
5 Years to 75 Years
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 3, 2026, 5:08 PM EDT
Completed No phase listed Observational

Surveillance of Individuals Following SARS-CoV-2 Infection

NCT04383444
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 1, 2023 · Synced Oct 3, 2026, 5:08 PM EDT
Terminated Phase 3 Interventional Results available

Janssen Ad26.CoV2.S Vaccine Booster in Kidney Transplant Recipients

NCT05220397
View directory record Official record
Conditions
Kidney Transplant Recipient
Interventions
Janssen Ad26.CoV2.S Vaccine, Reduction in Immunosuppression Medication, Maintenance in Immunosuppression Medication
Biological · Other
Lead sponsor
Mark Stegall
Other
Eligibility
18 Years and older
Enrollment
468 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
3
States / cities
Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Oct 3, 2026, 5:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

BinaxNow COVID-19 IgG Rapid Test Device and Antibody Self Test

NCT04959760
View directory record Official record
Conditions
COVID-19 Respiratory Infection
Interventions
The BinaxNOW™ Antibody Tests measure IgG antibodies against SARS-CoV-2.
Diagnostic Test
Lead sponsor
Abbott Rapid Diagnostics Jena GmbH
Industry
Eligibility
18 Years and older
Enrollment
263 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
5
States / cities
Chicago, Illinois • Durham, North Carolina • Powdersville, South Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated May 9, 2022 · Synced Oct 3, 2026, 5:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Rural Tailored COVID-19 Communication to Promote SARS-CoV-2 Antibody Testing in Saliva

NCT06085547
View directory record Official record
Conditions
SARS-CoV2 Infection
Interventions
General SARS-CoV-2 Communication, Rural-Targeted SARS-CoV-2 Communication
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
18 Years and older
Enrollment
264 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 17, 2025 · Synced Oct 3, 2026, 5:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID Card Pilot Study to Detect Antibodies to SARS-CoV-2

NCT05196932
View directory record Official record
Conditions
COVID-19, SARS-CoV2 Infection
Interventions
Novel point-of-care, semi-quantitative test for SARS-CoV-2 antibodies
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 10, 2023 · Synced Oct 3, 2026, 5:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Seroprevalence of SARS CoV 2 Antibodies in Previously Undiagnosed Healthcare Workers

NCT04383587
View directory record Official record
Conditions
SARS-CoV 2, COVID-19
Interventions
Serologic testing
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 13, 2022 · Synced Oct 3, 2026, 5:08 PM EDT