Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 25, 2026, 9:41 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 817–840 of 2,349 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Covid19 Clear all
Not listed Phase 2 Interventional

Study to Reinforce Immunity (STRI) Phase 2 Clinical Trial

NCT05046561
View directory record Official record
Conditions
Covid19
Interventions
STRI Formula, Placebo
Drug
Lead sponsor
Eyecheck, Inc.
Industry
Eligibility
18 Years and older
Enrollment
598 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
13
States / cities
Coral Gables, Florida • Doral, Florida • Medley, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2022 · Synced Oct 25, 2026, 9:41 AM EDT
Terminated No phase listed Observational

Observational Study of COVID-19 Treatment Efficacy

NCT04369989
View directory record Official record
Conditions
Coronavirus, Coronavirus Infection, Corona Virus Infection, COVID, Sars-CoV2, Coronavirus as the Cause of Diseases Classified Elsewhere, SARS-Associated Coronavirus as Cause of Disease Classified Elsewhere, COVID-19, Coronavirus Disease, Coronavirus Sars-Associated as Cause of Disease Classified Elsewhere
Interventions
No intervention
Other
Lead sponsor
OSF Healthcare System
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Peoria, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 29, 2022 · Synced Oct 25, 2026, 9:41 AM EDT
Completed Not applicable Interventional Results available

Pragmatic Comparative Effectiveness Trial of Evidence-based, On-demand, Digital Behavioral Treatments for Chronic Pain

NCT04933474
View directory record Official record
Conditions
Chronic Pain
Interventions
painTRAINER®, Skills-Based VR
Behavioral · Device
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
13 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 25, 2026, 9:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Prevalence of COVID-19 Antibodies Kingman AZ

NCT04533360
View directory record Official record
Conditions
Covid19
Interventions
VITROS Anti-SARS-CoV-2 IgG test
Diagnostic Test
Lead sponsor
Kingman Regional Medical Center
Other
Eligibility
18 Years and older
Enrollment
566 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Kingman, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Oct 25, 2026, 9:41 AM 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 25, 2026, 9:41 AM EDT
Completed No phase listed Observational

Surfactant Protein Genetic Variants in COVID-19 Infection

NCT04650191
View directory record Official record
Conditions
Coronavirus Infection
Interventions
Identification of genetic variants
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
1 Day to 90 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 15, 2022 · Synced Oct 25, 2026, 9:41 AM EDT
Active, not recruiting Not applicable Interventional Results available

COVID-19, Chronic Adaptation and Response to Exercise (COVID-CARE)

NCT04595773
View directory record Official record
Conditions
COVID-19
Interventions
Aerobic Exercise Training, Education
Other
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 80 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 25, 2026, 9:41 AM EDT
Completed Phase 3 Interventional Results available

ACTIV-6: COVID-19 Study of Repurposed Medications - Arm A (Ivermectin 400)

NCT05736861
View directory record Official record
Conditions
Covid19
Interventions
Ivermectin, Placebo
Drug · Other
Lead sponsor
Susanna Naggie, MD
Other
Eligibility
30 Years and older
Enrollment
1,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
87
States / cities
Gilbert, Arizona • Mesa, Arizona • Peoria, Arizona + 75 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2023 · Synced Oct 25, 2026, 9:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Epidemiology, Immunology and Clinical Characteristics of COVID-19 (EPIC3)

NCT05764083
View directory record Official record
Conditions
SARS-CoV-2, COVID-19
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
2,824 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Oct 25, 2026, 9:41 AM EDT
Completed Phase 2 Interventional Results available

University of Utah COVID-19 Hydrochloroquine Trial

NCT04342169
View directory record Official record
Conditions
Coronavirus Infection, Coronavirus, Infectious Disease
Interventions
Hydroxychloroquine, Placebo oral tablet
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
368 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 15, 2023 · Synced Oct 25, 2026, 9:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A COVID-19 Symptom, Exposure and Immune Response Registry

NCT04348942
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
ObvioHealth
Industry
Eligibility
18 Years and older
Enrollment
804 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Mar 4, 2022 · Synced Oct 25, 2026, 9:41 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

SARS-CoV-2 Immune Responses After COVID-19 Therapy and Subsequent Vaccine

NCT04952402
View directory record Official record
Conditions
Covid19, SARS-CoV2 Infection
Interventions
Study-provided Moderna mRNA-1273 COVID-19 vaccine, Community-provided Moderna mRNA-1273 COVID-19 Vaccine, Community-Provided Pfizer-BioNTech BNT162b2 COVID-19 Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
6
States / cities
Los Angeles, California • San Diego, California • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated May 24, 2023 · Synced Oct 25, 2026, 9:41 AM EDT
Completed Not applicable Interventional

Home Pulse Oximeter Use in Patients With COVID-19

NCT04373161
View directory record Official record
Conditions
Sars-CoV2, COVID-19, COVID
Interventions
Home Pulse Oximetry Monitoring
Device
Lead sponsor
Swedish Hospital
Other
Eligibility
18 Years and older
Enrollment
209 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 6, 2020 · Synced Oct 25, 2026, 9:41 AM EDT
Completed No phase listed Observational

Patients' Preferences About Rescheduling Colonoscopies Delayed Due to COVID-19: Cross Sectional Study

NCT04432870
View directory record Official record
Conditions
Colon Cancer
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
45 Years to 75 Years
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 1, 2021 · Synced Oct 25, 2026, 9:41 AM EDT
Completed Phase 2 Interventional Results available

COVID-19 Study Assessing the Virologic Efficacy of REGN10933+REGN10987 Across Different Dose Regimens in Adult Outpatients With SARS-CoV-2 Infection

NCT04666441
View directory record Official record
Conditions
COVID-19
Interventions
REGN10933+REGN10987 combination therapy, Placebo
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
1,149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
57
States / cities
Mesa, Arizona • Tucson, Arizona • Canoga Park, California + 48 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2022 · Synced Oct 25, 2026, 9:41 AM EDT
Completed No phase listed Observational

Northern Colorado COVID-19 Biobank

NCT04603677
View directory record Official record
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Colorado State University
Other
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
4
States / cities
Fort Collins, Colorado • Greeley, Colorado • Loveland, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Oct 25, 2026, 9:41 AM EDT
Completed No phase listed Observational

COVID-19 Endoscopy Survey

NCT04342637
View directory record Official record
Conditions
COVID-19
Interventions
Practice details
Other
Lead sponsor
Al-Azhar University
Other
Eligibility
30 Years to 70 Years
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Albertson, New York
Source: ClinicalTrials.gov public record
Updated May 20, 2020 · Synced Oct 25, 2026, 9:41 AM EDT
Completed No phase listed Observational Results available

Symptom-Based Markers for COVID-19 Transmission

NCT04665245
View directory record Official record
Conditions
Covid19
Interventions
Not listed
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 100 Years
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Oct 25, 2026, 9:41 AM EDT
Terminated Phase 3 Interventional

Evaluation of SARS-CoV-2 (COVID-19) Antibody-containing Plasma thErapy

NCT04361253
View directory record Official record
Conditions
COVID, Infectious Disease
Interventions
High-Titer COVID-19 Convalescent Plasma (HT-CCP), Standard Plasma (FFP)
Biological
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
12 Months and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 13, 2021 · Synced Oct 25, 2026, 9:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Self-Collected Saliva Samples Without Viral Transport Media for COVID-19 Testing Via RT-PCR

NCT04604145
View directory record Official record
Conditions
SARS-CoV Infection, Polymerase Chain Reaction, Laboratory Testing
Interventions
SARS-CoV-2 testing on the Eppendorf Thermal Cycler PCR system using self-collected saliva as the specimen
Diagnostic Test
Lead sponsor
David Grant U.S. Air Force Medical Center
Federal
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Travis Air Force Base, California
Source: ClinicalTrials.gov public record
Updated Aug 30, 2021 · Synced Oct 25, 2026, 9:41 AM EDT
Not listed No phase listed Observational

SQuISH-COVID: A Pilot Study

NCT04372472
View directory record Official record
Conditions
Sepsis, COVID-19
Interventions
Not listed
Lead sponsor
Cytovale, Inc.
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 15, 2021 · Synced Oct 25, 2026, 9:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Post-Marketing Safety Study of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) mRNA-1273 COVID-19 Vaccine in the United States

NCT04958954
View directory record Official record
Conditions
SARS-CoV-2
Interventions
Not listed
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
Not listed
Enrollment
50,000,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 17, 2023 · Synced Oct 25, 2026, 9:41 AM EDT
Withdrawn Not applicable Interventional

TDCS-potentiated Generalization of Cognitive Training in the Rehabilitation of Long COVID Symptoms

NCT05589272
View directory record Official record
Conditions
Post-acute Sequelae SARS-CoV-2 Infection (PASC)
Interventions
Active tDCS, Sham tDCS
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 13, 2023 · Synced Oct 25, 2026, 9:41 AM EDT