Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 24, 2026, 2:53 PM EDT

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Showing 361–384 of 1,043 matching trials from the live ClinicalTrials.gov search.
Conditions
Anosmia, Covid19, Ageusia, Hyposmia, Hypogeusia, SARS-CoV-2 Infection, COVID-19 Pandemic
Interventions
Smell Training
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
COVID, Covid-19, Corona Virus Infection, Coronavirus Infection, Coronavirus-19, SARS-CoV2, SARS-CoV Infection
Interventions
Ivermectin, Doxycycline Hcl, Zinc, Vitamin D3, Vitamin C
Drug · Dietary Supplement
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Ventura, California
Conditions
COVID-19
Interventions
PF-07304814, Placebo, Remdesivir
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
31
States / cities
Chula Vista, California • Los Angeles, California • Mather, California + 23 more
Conditions
SARS-CoV-2
Interventions
Biological: mRNA-1273, Placebo, mRNA-1273.351
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
660 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
8
States / cities
Savannah, Georgia • Newton, Kansas • Kansas City, Missouri + 5 more
Conditions
SARS-CoV-2
Interventions
mRNA-1283, mRNA-1273
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
6 Months to 11 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
13
States / cities
Ontario, California • Miami, Florida • Miami Lakes, Florida + 9 more
Conditions
SARS-CoV-2, COVID-19
Interventions
CV0701 mRNA COVID-19 Vaccine (Low dose), CV0701 mRNA COVID-19 Vaccine (Medium dose), CV0701 mRNA COVID-19 Vaccine (High dose), CV0601 mRNA COVID-19 Vaccine, Control vaccine, CV0801 mRNA COVID-19 Vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
692 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
3
States / cities
Sacramento, California • Hollywood, Florida • Peoria, Illinois
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
Completed No phase listed Observational Accepts healthy volunteers

Prevalence of COVID-19 Antibodies Kingman AZ

NCT04533360
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
Active, not recruiting Not applicable Interventional Results available

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

NCT04595773
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
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
Completed No phase listed Observational Accepts healthy volunteers

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

NCT05764083
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
Completed Phase 4 Interventional Accepts healthy volunteers Results available

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

NCT04952402
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
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
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
Completed No phase listed Observational

Northern Colorado COVID-19 Biobank

NCT04603677
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
Completed No phase listed Observational

COVID-19 Endoscopy Survey

NCT04342637
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
Not listed No phase listed Observational

SQuISH-COVID: A Pilot Study

NCT04372472
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
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
Conditions
COVID-19
Interventions
Melatonin, Placebo (Methylcellulose) capsule
Drug · Other
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Buffalo, New York
Conditions
Breast Ductal Carcinoma In Situ, COVID-19 Infection, Hereditary Breast Carcinoma, Invasive Breast Carcinoma
Interventions
Questionnaire Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
4
States / cities
Conroe, Texas • Houston, Texas • League City, Texas + 1 more
Conditions
COVID-19
Interventions
COVID-19 Convalescent Plasma
Biological
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Covid19
Interventions
Famotidine 20 milligram tablet
Drug
Lead sponsor
drpykessupplements.com
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Fairfield, Connecticut
Conditions
COVID, Pneumonia, Viral
Interventions
Methylprednisolone
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
COVID-19
Interventions
STX-S
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Rochester, New York • Seattle, Washington