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ClinicalTrials.gov public records Last synced Oct 2, 2026, 10:32 AM EDT

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Showing 25–48 of 2,337 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: COVID-19 Infection Clear all
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of Ad26.COV2.S for the Prevention of SARS-CoV-2-mediated COVID-19 in Adults

NCT04614948
View directory record Official record
Conditions
Participants With or Without Stable Co-morbidities Associated With Progression to Severe COVID-19
Interventions
Ad26.COV2.S, Placebo
Biological · Other
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
18 Years and older
Enrollment
31,835 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
63
States / cities
Vestavia Hills, Alabama • Phoenix, Arizona • Tucson, Arizona + 53 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2025 · Synced Oct 2, 2026, 10:32 AM EDT
Completed Not applicable Interventional Results available

Developing an Integrative, Recovery-Based, Post-Acute COVID-19 Syndrome (PACS) Psychotherapeutic Intervention

NCT05453201
View directory record Official record
Conditions
Long COVID
Interventions
Long COVID Coping and Recovery (LCCR) Intervention
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 80 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Oct 2, 2026, 10:32 AM EDT
Active, not recruiting Phase 4 Interventional

Impact of Immunosuppression Adjustment on COVID-19 Vaccination Response in Kidney Transplant Recipients

NCT05060991
View directory record Official record
Conditions
COVID-19, Immunosuppression, Vaccine Response Impaired
Interventions
Reduction in antimetabolite immunosuppression
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Apr 3, 2026 · Synced Oct 2, 2026, 10:32 AM EDT
Recruiting Phase 3 Interventional

A Study to Learn About the Study Medicine Ibuzatrelvir in Adults With COVID-19 Who Are Severely Immunocompromised

NCT07013474
View directory record Official record
Conditions
COVID-19 Infection
Interventions
ibuzatrelvir, remdesivir, placebo for ibuzatrelvir, placebo for remdesivir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
69
States / cities
Canoga Park, California • Granada Hills, California • La Jolla, California + 25 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 2, 2026, 10:32 AM EDT
Completed Not applicable Interventional

A Noninvasive Multimodal Biosensing Device for Screening and Monitoring Response to Treatment of Infectious Respiratory Diseases

NCT05035420
View directory record Official record
Conditions
COVID-19, Upper Respiratory Infection, Lower Respiratory Infection
Interventions
Fitbit, Douglas Bag, Periflux 6000 EPOS, BIOPAC, Flowmet, NIRS
Device
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 78 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 5, 2025 · Synced Oct 2, 2026, 10:32 AM EDT
Completed No phase listed Observational

Serologic Response to the SARS-CoV-2 (COVID-19) MRNA-1273 Vaccine in Select Subsets of Oncology Patients

NCT04854980
View directory record Official record
Conditions
Covid19, Cancer
Interventions
Blood Sample
Other
Lead sponsor
University of Rochester
Other
Eligibility
50 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 2, 2026, 10:32 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Community Developed Technology-Based Messaging to Increase COVID-19 Vaccine Uptake Among People Who Inject Drugs

NCT04924803
View directory record Official record
Conditions
Covid19
Interventions
No video, Video Text
Behavioral
Lead sponsor
NDRI-USA, Inc.
Other
Eligibility
18 Years and older
Enrollment
545 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 21, 2025 · Synced Oct 2, 2026, 10:32 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Conversations You Want About Corona Virus Disease (COVID-19)

NCT05191420
View directory record Official record
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 2, 2026, 10:32 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Evaluation of the Safety and Immunogenicity of a SARS-CoV-2 rS Nanoparticle Vaccine With/Without Matrix-M Adjuvant

NCT04368988
View directory record Official record
Conditions
COVID-19
Interventions
SARS-CoV-2 rS - Phase 1, SARS-CoV-2 rS/Matrix-M Adjuvant - Phase 1, Normal saline solution (NSS), Placebo - Phase 1, Normal saline solution (NSS), Placebo - Phase 2, SARS-CoV-2 rS/Matrix-M Adjuvant, Day 0 - Phase 1, Normal saline solution (NSS), Placebo, Day 21 - Phase 1, SARS-CoV-2 rS/Matrix-M Adjuvant - Phase 2
Biological · Other
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 84 Years
Enrollment
1,419 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
8
States / cities
Savannah, Georgia • Meridian, Idaho • Newton, Kansas + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 10, 2023 · Synced Oct 2, 2026, 10:32 AM EDT
Terminated Not applicable Interventional

Treatment of SARS-CoV-2 Virus Disease (COVID-19) in Humans With Hemopurifier® Device

NCT04595903
View directory record Official record
Conditions
COVID-19
Interventions
Hemopurifier
Device
Lead sponsor
Aethlon Medical Inc.
Industry
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
9
States / cities
Irvine, California • Loma Linda, California • Newport Beach, California + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2022 · Synced Oct 2, 2026, 10:32 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Assessing the Safety of Pregnancy In the CoRonavirus (COVID-19) pandEmic

NCT04388605
View directory record Official record
Conditions
Corona Virus Infection, COVID, Pregnancy Related, Early Pregnancy
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Female only
Enrollment
7,965 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 2, 2026, 10:32 AM EDT
Not listed Not applicable Interventional

Quantifying Viral Load in Respiratory Particles That Are Generated by Children and Adults With COVID-19 Infection

NCT05195229
View directory record Official record
Conditions
COVID-19
Interventions
COVID-19 Aerosol Collection
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 15, 2022 · Synced Oct 2, 2026, 10:32 AM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Tele-Wellness Supported App for Family Child Care Home Providers and Families to Promote Health, Family Engagement, and School Readiness Amid COVID-19

NCT04453657
View directory record Official record
Conditions
Stress, Psychological, Child Behavior, Social Competence
Interventions
FamilyChildCare (provisional name of app)
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
3 Years to 99 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 2, 2026, 10:32 AM 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 2, 2026, 10:32 AM EDT
Not listed Not applicable Interventional

Anhydrous Enol-Oxaloacetate (AEO) on Improving Fatigue in Post-COVID-19 Survivors

NCT04592354
View directory record Official record
Conditions
Treatment of Fatigue After Resolution of COVID-19 Infection
Interventions
Oxaloacetate Medical Food/Dietary Supplement
Dietary Supplement
Lead sponsor
Terra Biological LLC
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Oct 2, 2026, 10:32 AM EDT
Completed Phase 1 Interventional

A Clinical Trial to Evaluate the Safety of agenT-797 in COVID-19 Participants With ARDS

NCT04582201
View directory record Official record
Conditions
Respiratory Distress Syndrome, Adult
Interventions
agenT-797
Drug
Lead sponsor
MiNK Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
3
States / cities
Santa Monica, California • Louisville, Kentucky • New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Oct 2, 2026, 10:32 AM EDT
Completed Not applicable Interventional

Mind Body Intervention for COVID-19 Long Haul Syndrome

NCT04854772
View directory record Official record
Conditions
COVID-19 Long Haul Syndrome
Interventions
Mind Body Syndrome Therapy for Long Covid
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 19, 2022 · Synced Oct 2, 2026, 10:32 AM EDT
Completed No phase listed Observational

Clinical Evaluation of a Point-of-Care (POC), COVID-19 Rapid Antigen Test (CoviDx™)

NCT04750629
View directory record Official record
Conditions
SARS-CoV-2, Covid19
Interventions
POC CoviDx™ Rapid Antigen Test
Device
Lead sponsor
Lumos Diagnostics
Industry
Eligibility
1 Year and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
2
States / cities
Hialeah, Florida • West Palm Beach, Florida
Source: ClinicalTrials.gov public record
Updated Jun 18, 2021 · Synced Oct 2, 2026, 10:32 AM EDT
Completed Phase 2 Interventional Results available

A Study to Learn About the Study Medicines (Nirmatrelvir Plus Ritonavir) in People Aged 12 Years or Older With COVID-19 and a Compromised Immune System

NCT05438602
View directory record Official record
Conditions
COVID-19
Interventions
Nirmatrelvir, Ritonavir, Placebo for nirmatrelvir, Placebo for ritonavir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years and older
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
25
States / cities
San Francisco, California • Washington D.C., District of Columbia • Doral, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2024 · Synced Oct 2, 2026, 10:32 AM EDT
Completed No phase listed Observational

Low-Dose Chest CT (LDCT) COVID-19 Study

NCT05031845
View directory record Official record
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
121 participants
Timeline
2021
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Oct 2, 2026, 10:32 AM EDT
Completed Phase 1 Interventional Results available

Human Convalescent Plasma for High Risk Children Exposed or Infected With SARS-CoV-2 (COVID-19)

NCT04377672
View directory record Official record
Conditions
SARS-CoV-2 Infection
Interventions
Anti-SARS-CoV-2 Human Convalescent Plasma
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
1 Month to 18 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 27, 2024 · Synced Oct 2, 2026, 10:32 AM EDT
Terminated Phase 2 Interventional Results available

Tofacitinib for Treatment of Moderate COVID-19

NCT04415151
View directory record Official record
Conditions
COVID-19 Pneumonia
Interventions
Tofacitinib 10 mg, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 99 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 28, 2025 · Synced Oct 2, 2026, 10:32 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Mesenchymal Stem Cells for the Treatment of Various Chronic and Acute Conditions

NCT04684602
View directory record Official record
Conditions
Autoimmune Diseases, Cardiovascular Disorders, Diabetes Complications, Integumentary Disease, Musculoskeletal Disorders, Neurodegenerative Disorders, Neurologic Disorders, Pulmonary Disorders, Sexual Dysfunction, Urologic Disorders, Viral Illness
Interventions
PrimePro™/ PrimeMSK™
Biological
Lead sponsor
Thomas Advanced Medical LLC
Industry
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Culver City, California
Source: ClinicalTrials.gov public record
Updated Apr 29, 2022 · Synced Oct 2, 2026, 10:32 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 2, 2026, 10:32 AM EDT