Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 30, 2026, 3:36 PM EDT

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Showing 625–648 of 1,043 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional Accepts healthy volunteers Results available

Low vs. Moderate to High Dose Vitamin D for Prevention of COVID-19

NCT04868903
Conditions
SARS-CoV-2 Infection
Interventions
Vitamin D3
Dietary Supplement
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
1,475 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
2
States / cities
Chicago, Illinois
Conditions
Influenza a, Influenza B, RSV, COVID 19
Interventions
LIAISON NES FLU A/B, RSV & COVID-19
Diagnostic Test
Lead sponsor
DiaSorin Molecular LLC
Industry
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
3
States / cities
Henderson, Nevada • Pittsburgh, Pennsylvania • McAllen, Texas
Conditions
Covid19, Vaccine Reaction
Interventions
COVID-19 vaccine
Drug
Lead sponsor
Huntington Memorial Hospital
Other
Eligibility
Not listed
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Pasadena, California
Terminated Phase 1Phase 2 Interventional

RAPA-501-Allo Therapy of COVID-19-ARDS

NCT04482699
Conditions
Severe COVID-19 Disease
Interventions
RAPA-501-Allo off-the-shelf Therapy of COVID-19, Placebo
Biological · Other
Lead sponsor
Rapa Therapeutics LLC
Industry
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Hackensack, New Jersey
Conditions
COVID, Covid-19, Corona Virus Infection, Sars-CoV2, Coronavirus-19, SARS Pneumonia, SARS-Associated Coronavirus as Cause of Disease Classified Elsewhere
Interventions
ResCure™
Biological
Lead sponsor
ProgenaBiome
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Ventura, California
Conditions
COVID-19, SARS-COV-2 Infection
Interventions
BNT162b2 (2025/2026 formulation)
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
5 Years to 11 Years
Enrollment
344 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
27
States / cities
Palo Alto, California • San Diego, California • Homestead, Florida + 21 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
Covid19
Interventions
Fluticasone, Placebo
Drug · Other
Lead sponsor
Susanna Naggie, MD
Other
Eligibility
30 Years and older
Enrollment
1,407 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 Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

KBP-201 COVID-19 Vaccine Trial in Healthy Volunteers

NCT04473690
Conditions
Covid19
Interventions
Low Dose of KBP-COVID-19, High Dose of KBP-COVID-19, Placebo
Biological
Lead sponsor
KBio Inc
Industry
Eligibility
18 Years to 85 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
6
States / cities
West Palm Beach, Florida • Meridian, Idaho • Winston-Salem, North Carolina + 3 more
Conditions
COVID-19
Interventions
PF-07321332, Ritonavir, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
1,440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
78
States / cities
Pelham, Alabama • Mesa, Arizona • Scottsdale, Arizona + 51 more
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Trial Evaluating the Safety and Immunogenicity of 3 COVID-19 SARS-CoV-2 RNA Vaccines in Healthy Adults

NCT05037097
Conditions
COVID-19, SARS-CoV-2 Infection, Corona Virus Infection
Interventions
ARCT-165, ARCT-154, ARCT-021
Biological
Lead sponsor
Arcturus Therapeutics, Inc.
Industry
Eligibility
21 Years to 80 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Wichita, Kansas • Kansas City, Missouri
Conditions
Corona Virus Infection, SARS-CoV Infection, Coronavirus
Interventions
Hydroxychloroquine, Placebo oral tablet
Drug
Lead sponsor
McGill University Health Centre/Research Institute of the McGill University Health Centre
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
COVID-19, Sars-CoV2
Interventions
Progesterone 100 MG
Drug
Lead sponsor
Sara Ghandehari
Other
Eligibility
18 Years and older · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Los Angeles, California
Conditions
COVID-19, SARS-CoV-2
Interventions
Abatacept, Placebo
Biological · Other
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
7
States / cities
Hialeah, Florida • Louisville, Kentucky • Boston, Massachusetts + 2 more
Conditions
COVID-19
Interventions
Merimepodib, Matching Placebo, Remdesivir
Drug
Lead sponsor
ViralClear Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
10
States / cities
Phoenix, Arizona • Fort Lauderdale, Florida • Jacksonville, Florida + 6 more
Withdrawn Not applicable Interventional

Core Warming of COVID-19 Patients

NCT04426344
Conditions
COVID 19
Interventions
ensoETM device
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Influenza, Human, COVID-19
Interventions
bivalent BNT162b2 (original/Omi BA.4/BA.5), qIRV (22/23), QIV, bIRV, tIRV
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years and older
Enrollment
1,019 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
59
States / cities
Athens, Alabama • Phoenix, Arizona • Lake Forest, California + 40 more
Completed No phase listed Observational Accepts healthy volunteers

COVID Card Pilot Study to Detect Antibodies to SARS-CoV-2

NCT05196932
Conditions
COVID-19, SARS-CoV2 Infection
Interventions
Novel point-of-care, semi-quantitative test for SARS-CoV-2 antibodies
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
COVID, Sars-CoV2, Corona Virus Infection
Interventions
Convalescent Plasma
Biological
Lead sponsor
Jonathan Gerber
Other
Eligibility
12 Years and older
U.S. locations
1
States / cities
Worcester, Massachusetts
Completed Phase 2 Interventional Results available

Smell in Covid-19 and Efficacy of Nasal Theophylline

NCT04789499
Conditions
Covid19, Anosmia, Olfactory Disorder, Covid-19 Pandemic, SARS-CoV-2 Infection, Hyposmia, Ageusia, Hypogeusia
Interventions
Theophylline Powder, Placebo Comparator
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
COVID -19, COVID-19 (Prevention)
Interventions
MDX2301, Normal Saline
Biological
Lead sponsor
ModeX Therapeutics, An OPKO Health Company
Industry
Eligibility
18 Years to 64 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Las Vegas, Nevada • Austin, Texas
Conditions
SARS CoV-2 Post-Acute Sequelae
Interventions
This study is observational. Only patients who have previously tested positive for SARS-CoV-2 infection or are experiencing ongoing symptoms.
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 75 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
COVID19, COVID-19, COVID
Interventions
Pacritinib, Placebo
Drug
Lead sponsor
CTI BioPharma
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
21
States / cities
Orange, California • Jacksonville, Florida • Atlanta, Georgia + 16 more
Conditions
COVID
Interventions
BM-Allo.MSC, Placebo
Biological
Lead sponsor
ImmunityBio, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Lynwood, California