Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 16, 2026, 3:18 AM EDT

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Showing 625–648 of 1,073 matching trials from the live ClinicalTrials.gov search.
Conditions
SARS-CoV-2
Interventions
mRNA-1273, mRNA-1283, Placebo
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
50 Years to 64 Years
Enrollment
30,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
150
States / cities
Birmingham, Alabama • Cullman, Alabama • Mobile, Alabama + 127 more
Suspended No phase listed Observational Accepts healthy volunteers

A Study to Explore the Role of Gut Flora in COVID-19 Infection

NCT04359836
Conditions
Gut Microbiome, Gastrointestinal Microbiome, COVID, COVID-19, Corona Virus Infection, Coronavirus, Coronaviridae Infections, Coronavirus 19, Coronavirus-19, COVID 19
Interventions
There is no intervention in this study
Other
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Ventura, California
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Delayed Heterologous SARS-CoV-2 Vaccine Dosing (Boost) After Receipt of EUA Vaccines

NCT04889209
Conditions
COVID-19
Interventions
Ad26.COV2.S, BNT162b2, mRNA-1273, mRNA-1273.211, mRNA-1273.222, SARS-CoV-2 rS/M1
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
867 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
10
States / cities
Decatur, Georgia • Baltimore, Maryland • New York, New York + 6 more
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Cellular Senescence and COVID-19 Long-Hauler Syndrome

NCT04903132
Conditions
SARS-CoV2 Infection
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Rheumatoid Arthritis (RA), Systemic Lupus Erythematosus (SLE), Pemphigus Vulgaris, Multiple Sclerosis (MS), Systemic Sclerosis (SSc), Pediatric SLE, Juvenile Idiopathic Arthritis (JIA), Juvenile Dermatomyositis (JDM), Pediatric-Onset Multiple Sclerosis (POMS)
Interventions
Moderna mRNA-1273, BNT162b2, Ad26.COV2.S, Continue IS (MMF or MPA), Continue IS (MTX), Continue IS (B cell depletion therapy), Monovalent [B.1.351] CoV2 preS dTM-AS03, Withhold IS (MMF or MPA), Withhold IS (MTX), Withhold IS (B cell depletion therapy), Moderna mRNA-1273, Bivalent, BNT162b2, Bivalent
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years and older
Enrollment
258 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
29
States / cities
Los Angeles, California • New Haven, Connecticut • Atlanta, Georgia + 18 more
Conditions
COVID-19 Pneumonia
Interventions
PF-06650833, Matching Placebo
Drug
Lead sponsor
Giovanni Franchin, M.D, Ph.D
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Conditions
COVID 19, SARS-CoV 2, Pneumonia
Interventions
Mavrilimumab, Placebo
Drug
Lead sponsor
Kristin Hudock
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Covid19, Novel Coronavirus Pneumonia, Acute Respiratory Distress Syndrome
Interventions
MSC-exosomes delivered intravenously every other day on an escalating dose: (2:4:8), MSC-exosomes delivered intravenously every other day on an escalating dose (8:4:8), MSC-exosomes delivered intravenously every other day (8:8:8)
Drug
Lead sponsor
AVEM HealthCare
Industry
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Panorama City, California
Conditions
Relapsing Multiple Sclerosis (RMS)
Interventions
Ofatumumab, mRNA COVID-19 vaccine, interferon or glatiramer acetate
Drug · Biological
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
7
States / cities
Phoenix, Arizona • Hollywood, Florida • Wellesley, Massachusetts + 4 more
Conditions
Cardiovascular Diseases, COVID
Interventions
Electrocardiogram, telemetry, echocardiogram, laboratory values
Diagnostic Test
Lead sponsor
Memorial Hermann Health System
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Houston, Texas
Terminated Phase 2 Interventional Results available

DISulfiram for COvid-19 (DISCO) Trial

NCT04485130
Conditions
Covid19
Interventions
Disulfiram, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Fresno, California • San Francisco, California
Recruiting No phase listed Observational

COVID-19 Coagulopathy Extension Study

NCT05334615
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 99 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
COVID-19
Interventions
Testing Done Simple SARS CoV-2 Antigen Test
Diagnostic Test
Lead sponsor
Testing Done Simple
Industry
Eligibility
18 Years and older
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Queens, New York
Conditions
COVID-19
Interventions
PBI-0451 (Pomotrelvir), Placebo
Drug
Lead sponsor
Pardes Biosciences, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
54
States / cities
Mesa, Arizona • Bakersfield, California • Canoga Park, California + 41 more
Recruiting No phase listed Observational Accepts healthy volunteers

Predictors of Post-COVID-19 Clinical and Cognitive Consequences

NCT06291870
Conditions
Post Acute Sequelae of SARS CoV 2 Infection, Obstructive Sleep Apnea
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
COVID-19
Interventions
Omicron Subvariant-Based SARS-CoV-2 Recombinant Spike Vaccine Adjuvanted With Matrix-M
Biological
Lead sponsor
Sanofi
Industry
Eligibility
12 Years and older
Enrollment
660 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
20
States / cities
Fair Oaks, California • Doral, Florida • Atlanta, Georgia + 16 more
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Vaccine Response in Treated MS Patients

NCT05060354
Conditions
Multiple Sclerosis, Healthy
Interventions
Blood draw
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
159 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Pancreatitis, Chronic, Sarcoidosis, VCP Disease, Long COVID, PCD, Symptoms and Signs, Wearables
Interventions
Observational - no intervention
Other
Lead sponsor
4YouandMe
Other
Eligibility
14 Years and older
Enrollment
239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
New York, New York
Conditions
Pulmonary Fibrosis, COVID-19 Pneumonia, Long COVID
Interventions
Sirolimus
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
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
Conditions
COVID-19 Infection
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Day to 99 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2031
U.S. locations
1
States / cities
Rockville, Maryland
Terminated Not applicable Interventional Accepts healthy volunteers Results available

BinaxNOW for Evaluating Children for Infection With SARS-CoV-2 (COVID-19)

NCT05087524
Conditions
SARS-CoV2 Infection, COVID-19
Interventions
BinaxNOW Ag Card
Diagnostic Test
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
5 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Covid19, Coronavirus
Interventions
Fluvoxamine, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
30 Years and older
Enrollment
670 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
4
States / cities
Chicago, Illinois • St Louis, Missouri • Salt Lake City, Utah + 1 more
Conditions
Long COVID
Interventions
Lithium
Dietary Supplement
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Williamsville, New York