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ClinicalTrials.gov public records Last synced Oct 1, 2026, 2:08 PM EDT

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Showing 25–48 of 225 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Positive for SARS-CoV-2 infection Clear all
Completed No phase listed Observational

Clinical Performance Evaluation of SARS-CoV-2 (COVID-19) Antigen Assay in Point of Care Settings

NCT05213897
View directory record Official record
Conditions
Covid-19
Interventions
SARS-CoV-2 Antigen Assay
Device
Lead sponsor
Freedom For All Diagnostics
Industry
Eligibility
2 Years to 94 Years
Enrollment
232 participants
Timeline
2022
U.S. locations
1
States / cities
Elkridge, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 2, 2022 · Synced Oct 1, 2026, 2:08 PM EDT
Suspended No phase listed Observational Accepts healthy volunteers

Validation of HyperDetector for SARS-CoV-2

NCT05124496
View directory record Official record
Conditions
SARS-COV2 Infection
Interventions
Screening Device
Device
Lead sponsor
HyperSpectral APD
Industry
Eligibility
5 Years and older
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Alexandria, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 18, 2021 · Synced Oct 1, 2026, 2:08 PM EDT
Not listed No phase listed Observational

IgG/IgM Antibody Test in Patients Who Have Tested Negative or Positive for COVID-19 With the Standard Method of COVID19 Testing.

NCT04402814
View directory record Official record
Conditions
SARS-CoV 2
Interventions
Clungene rapid test cassette
Diagnostic Test
Lead sponsor
Fadi Haddad, M.D.
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
3
States / cities
La Mesa, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced Oct 1, 2026, 2:08 PM EDT
Completed No phase listed Observational Results available

Balance Function in Patients Post Corona Virus Disease 2019 (COVID-19)

NCT04914364
View directory record Official record
Conditions
Covid19
Interventions
Balance assessments
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
28 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 1, 2026, 2:08 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Transforming Research and Clinical Knowledge in Traumatic Brain Injury Epileptogenesis Project (TRACK-TBI EPI)

NCT05823766
View directory record Official record
Conditions
Traumatic Brain Injury, Post-traumatic Epilepsy
Interventions
In-Person Outcome Assessment, 3T Magnetic Resonance Imaging (MRI), Clinical Visit, Blood Draw, EEG, Telephone Outcome Assessment
Behavioral · Procedure
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
9
States / cities
San Francisco, California • Charlestown, Massachusetts • Cincinnati, Ohio + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 1, 2026, 2:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Investigational Performance Evaluation of the Nanomix eLab® COVID-19 Rapid Antigen Panel With Samples From COVID-19 Positive and Negative Human Subjects

NCT04667442
View directory record Official record
Conditions
Covid19
Interventions
Nanomix eLab® COVID-19 Rapid Antigen Panel (non-interventional)
Diagnostic Test
Lead sponsor
Nanomix
Industry
Eligibility
18 Years and older
Enrollment
137 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Emeryville, California
Source: ClinicalTrials.gov public record
Updated Dec 27, 2021 · Synced Oct 1, 2026, 2:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Prophylaxis and Treatment of COVID-19

NCT04844541
View directory record Official record
Conditions
COVID-19, Acute Respiratory Infection
Interventions
Not listed
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
2
States / cities
Baltimore, Maryland • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Oct 1, 2026, 2:08 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

A Daily Coping Toolkit for Medical Personnel and First-Responders During COVID-19 Pandemic

NCT04398277
View directory record Official record
Conditions
Psychological Stress
Interventions
Daily Coping Toolkit
Behavioral
Lead sponsor
Kent State University
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
3
States / cities
Akron, Ohio • Kent, Ohio
Source: ClinicalTrials.gov public record
Updated May 21, 2020 · Synced Oct 1, 2026, 2:08 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

The PATCH Trial (Prevention And Treatment of COVID-19 With Hydroxychloroquine)

NCT04329923
View directory record Official record
Conditions
COVID-19
Interventions
Hydroxychloroquine Sulfate 400 mg twice a day, Hydroxychloroquine Sulfate 600 mg twice a day, Hydroxychloroquine Sulfate 600 mg once a day, Placebo oral tablet
Drug
Lead sponsor
Ravi Amaravadi, MD
Other
Eligibility
18 Years and older
Enrollment
173 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 10, 2020 · Synced Oct 1, 2026, 2:08 PM EDT
Completed No phase listed Observational

Transmissibility and Viral Load of SARS-CoV-2 in Oral Secretions

NCT04348240
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Oct 1, 2026, 2:08 PM EDT
Completed No phase listed Observational

Behavior, Environment And Treatments for Covid-19

NCT04321811
View directory record Official record
Conditions
Coronavirus
Interventions
Observation of patients with known, suspected, or at risk for COVID-19 infection
Other
Lead sponsor
xCures
Industry
Eligibility
18 Years and older
Enrollment
5,000 participants
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 14, 2022 · Synced Oct 1, 2026, 2:08 PM EDT
Completed Not applicable Interventional Results available

Examining How a Facilitated Self-Sampling Intervention and Testing Navigation Intervention Influences COVID-19 Testing

NCT05606016
View directory record Official record
Conditions
COVID-19
Interventions
Facilitated Self-Sampling Intervention (FSSI), Testing Navigation Intervention (TNI)., Control
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
1,232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
3
States / cities
Brownsville, Texas • Houston, Texas • Tyler, Texas
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 1, 2026, 2:08 PM EDT
Not listed No phase listed Observational

Vocal Feature Analysis Algorithm for COVID-19 Detection

NCT04418544
View directory record Official record
Conditions
COVID-19
Interventions
Device used to record voice for screening
Device
Lead sponsor
Soniphi LLC
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Sebastopol, California
Source: ClinicalTrials.gov public record
Updated Oct 30, 2020 · Synced Oct 1, 2026, 2:08 PM EDT
Terminated No phase listed Observational

Compensatory Reserve Index (CRI) for Management of COVID-19

NCT04457817
View directory record Official record
Conditions
COVID
Interventions
CRI
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 11, 2021 · Synced Oct 1, 2026, 2:08 PM EDT
Withdrawn No phase listed Observational

Impact of COVID-19 on the Incidence, Characteristics, Management and Outcome of Sepsis

NCT04698382
View directory record Official record
Conditions
Sepsis, Septic Shock
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 22, 2024 · Synced Oct 1, 2026, 2:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

HEALthy Brain and Child Development Study - COVID-19 Supplement

NCT04713150
View directory record Official record
Conditions
Child Development, Prenatal Infection, Prenatal Stress, Covid19
Interventions
No Intervention
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
4
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 1, 2026, 2:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Characterizing SARS-CoV-2-specific Immunity in Individuals Who Have Recovered From COVID-19

NCT04403880
View directory record Official record
Conditions
SARS-CoV-2, COVID-19
Interventions
Sample collection
Other
Lead sponsor
HIV Vaccine Trials Network
Network
Eligibility
18 Years and older
Enrollment
760 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
21
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 15 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Oct 1, 2026, 2:08 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Cardiac Magnetic Resonance Tissue Characterization in COVID-19 Survivors

NCT05164744
View directory record Official record
Conditions
COVID-19 Pneumonia, COVID-19, COVID-19 Respiratory Infection, COVID-19 Acute Respiratory Distress Syndrome, COVID-19 Lower Respiratory Infection, COVID-19 Acute Bronchitis, Coronavirus Disease 2019
Interventions
Cardiac MRI, Echocardiogram, 6-minute walk test, Questionnaire
Diagnostic Test
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
510 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
3
States / cities
Brooklyn, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 1, 2026, 2:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Testing Pilot Study

NCT04843878
View directory record Official record
Conditions
Diagnostic Test, Routine, Coronavirus, Diagnoses Disease, Rapid Coronavirus Test
Interventions
COVID Detect
Diagnostic Test
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
326 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 14, 2021 · Synced Oct 1, 2026, 2:08 PM EDT
Completed Phase 2 Interventional Results available

The Use of PUL-042 Inhalation Solution to Reduce the Severity of COVID-19 in Adults Positive for SARS-CoV-2 Infection

NCT04312997
View directory record Official record
Conditions
COVID-19
Interventions
PUL-042 Inhalation Solution, Placebo
Drug
Lead sponsor
Pulmotect, Inc.
Industry
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
11
States / cities
Orange, California • San Bernardino, California • Coral Gables, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 18, 2023 · Synced Oct 1, 2026, 2:08 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 1, 2026, 2:08 PM EDT
Completed Phase 1 Interventional

Dual Sympathetic Blocks for Patients Experiencing Sympathetically-Mediated Symptoms From Long COVID

NCT05638620
View directory record Official record
Conditions
Post Acute COVID-19 Syndrome, Long COVID, Long Covid19, COVID-19 Recurrent, Post-Acute COVID-19, Post-Acute COVID-19 Infection, SARS-CoV2 Infection, Post Acute Sequelae of COVID-19, Dysautonomia, Dysautonomia Like Disorder, Dysautonomia Orthostatic Hypotension Syndrome, Post COVID-19 Condition, Post-COVID Syndrome, Post COVID-19 Condition, Unspecified, Post-COVID-19 Syndrome
Interventions
stellate ganglion block with 0.5% bupivacaine
Drug
Lead sponsor
Jonathann Kuo, MD
Other
Eligibility
18 Years to 100 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 13, 2025 · Synced Oct 1, 2026, 2:08 PM EDT
Completed No phase listed Observational

Self-sampling for the Study of COVID-19

NCT04447495
View directory record Official record
Conditions
Coronavirus
Interventions
iAMP test
Diagnostic Test
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
New Berlin, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 23, 2021 · Synced Oct 1, 2026, 2:08 PM EDT
Completed Phase 2 Interventional

Pilot Study Into LDN and NAD+ for Treatment of Patients With Post-COVID-19 Syndrome

NCT04604704
View directory record Official record
Conditions
Covid19, Long COVID-19, Post-COVID-19 Syndrome
Interventions
Naltrexone, NAD+
Drug · Dietary Supplement
Lead sponsor
AgelessRx
Industry
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 25, 2023 · Synced Oct 1, 2026, 2:08 PM EDT