Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 23, 2026, 1:10 AM EDT

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Showing 481–504 of 1,235 matching trials from the live ClinicalTrials.gov search.
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 SARS-CoV-2 RAST Study

NCT06452056
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
Conditions
COVID-19, Burnout, Burnout, Professional, Work-related Illness, Work-Related Stress, SARS-CoV-2 Infection
Interventions
Positive Affect Regulation sKills (PARK)
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
555 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Influenza, COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 120 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Covid 19
Interventions
Not listed
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Post-Acute COVID-19, Post-Acute COVID-19 Syndrome, Post-Acute COVID-19 Infection, Long COVID, Long Covid19, Dyspnea, Orthostasis, Cognitive Impairment
Interventions
Comprehensive Rehabilitation, Augmented Usual Care
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
Not listed
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
COVID, COVID19, SARS-CoV 2, Dyspnea
Interventions
Data Collection
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
11,973 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Denver, Colorado
Completed Not applicable Interventional Accepts healthy volunteers Results available

Motivation, Syringe Exchange, and COVID-19

NCT05534061
Conditions
COVID-19 Pandemic
Interventions
Connect2Test
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
18 Years and older
Enrollment
349 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Eugene, Oregon
Conditions
Covid19
Interventions
Fluvoxamine, Placebo
Drug · Other
Lead sponsor
Susanna Naggie, MD
Other
Eligibility
30 Years and older
Enrollment
1,208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
103
States / cities
Gilbert, Arizona • Mesa, Arizona • Peoria, Arizona + 90 more
Conditions
COVID19
Interventions
RD-X19
Device
Lead sponsor
EmitBio Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Miami, Florida • College Station, Texas
Completed Phase 2 Interventional Results available

Povidone-Iodine Oral Rinse Study

NCT05239598
Conditions
COVID-19
Interventions
Mouth rinse
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
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 3 Interventional Accepts healthy volunteers

Vitamin D for COVID-19 Trial

NCT04536298
Conditions
COVID-19
Interventions
vitamin D, Placebo
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
2,024 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Covid-19
Interventions
HCQ, HCQ+AZT, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
7
States / cities
Fullerton, California • Los Angeles, California • Chicago, Illinois + 4 more
Terminated No phase listed Observational

User Experience of the OSR M-1

NCT04733677
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
Not listed
Enrollment
21 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
SARS-CoV-2, Hypoxia, ARDS
Interventions
Dapsone 100 MG
Drug
Lead sponsor
Hunt Regional Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Greenville, Texas
Conditions
Covid19
Interventions
CoronaCideTM COVID-19 IgM/IgG Rapid Test and Premier Biotech COVID-19 IgM/IgG Rapid Test
Diagnostic Test
Lead sponsor
Texas Cardiac Arrhythmia Research Foundation
Other
Eligibility
Not listed
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Austin, Texas
Conditions
COVID-19
Interventions
ELISA, RT-PCR
Diagnostic Test
Lead sponsor
Igenomix
Industry
Eligibility
18 Years and older
Enrollment
340 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
2
States / cities
Boston, Massachusetts • Pleasant Grove, Utah
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Mindfulness Training on Burnout and Mood in Hospital Employees

NCT04307563
Conditions
Anxiety Depression, Burnout
Interventions
Mindfulness session
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Palo Alto, California
Conditions
COVID-19, Corona Virus Infection, SARS-CoV-2, 2019-nCoV, 2019 Novel Coronavirus
Interventions
Hydroxychloroquine, Vitamin C
Drug · Dietary Supplement
Lead sponsor
Providence Health & Services
Other
Eligibility
45 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Portland, Oregon
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
Stroke, Acute, COVID-19
Interventions
MindRhythm Harmony
Device
Lead sponsor
MindRhythm, Inc.
Industry
Eligibility
18 Years and older
Enrollment
486 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Covid19, SARS-CoV-2
Interventions
Not listed
Lead sponsor
University of Calgary
Other
Eligibility
Up to 18 Years
Enrollment
372 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Birmingham, Alabama • San Diego, California • Boston, Massachusetts + 1 more
Conditions
Influenza, Human, COVID-19, Influenza A, Influenza B, Respiratory Syncytial Virus (RSV)
Interventions
Not listed
Lead sponsor
Evidation Health
Industry
Eligibility
18 Years and older
Enrollment
18,157 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
San Mateo, California
Conditions
Myocarditis
Interventions
Not listed
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
Not listed
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Chicago, Illinois