Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 19, 2026, 5:08 AM EDT

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Showing 961–984 of 2,013 matching trials from the live ClinicalTrials.gov search.
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Vaccine Responses to SARS-CoV-2 and Other Emerging Infectious Diseases

NCT05078905
Conditions
COVID-19, Vaccination, Healthy Volunteer
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2050
U.S. locations
1
States / cities
Bethesda, Maryland
No Longer Available No phase listed Expanded access

Expanded Access Remdesivir (RDV; GS-5734™)

NCT04302766
Conditions
Coronavirus Disease 2019
Interventions
Remdesivir
Drug
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
Not listed
U.S. locations
14
States / cities
San Diego, California • Jacksonville, Florida • Fort Benning, Georgia + 11 more
Conditions
SARS-CoV 2
Interventions
SARS-CoV-2 convalescent plasma, Plasma from a volunteer donor
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
1,225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
29
States / cities
Birmingham, Alabama • Chinle, Arizona • Phoenix, Arizona + 24 more
Conditions
Covid19
Interventions
Observational Study - no intervention
Device
Lead sponsor
Nanowear Inc.
Industry
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Hackensack, New Jersey • Brooklyn, New York
Conditions
COVID-19, Vaccination Hesitancy, Health Misinformation, Communication
Interventions
Gamified misinformation refutation quiz, Refutational text blog post (active control)
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
4,071 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Columbia, South Carolina
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
Conditions
COVID-19, COVID-19 Vaccines, Immunogenicity, Vaccine
Interventions
Observational
Other
Lead sponsor
Epividian
Industry
Eligibility
18 Years and older
Enrollment
825 participants
Timeline
2020 – 2022
U.S. locations
1
States / cities
New York, New York
Conditions
COVID-19
Interventions
Double-Blind NT-I7, Double-Blind Placebo
Drug
Lead sponsor
NeoImmuneTech
Industry
Eligibility
19 Years to 75 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
2
States / cities
Bethesda, Maryland • Omaha, Nebraska
Conditions
COVID-19, COVID-19 Testing
Interventions
Motivational interviewing (MI) counseling, Text messages (TMs) and quiz questions (QQs), Peer education, Access to COVID testing
Behavioral
Lead sponsor
New York University
Other
Eligibility
18 Years to 70 Years
Enrollment
438 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers Results available

Assessing Testing Strategies for Safe Return to K-12 Schools in an Underserved Population

NCT04875520
Conditions
Covid19
Interventions
Screening testing strategy, No screening testing strategy
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
0 Years and older
Enrollment
1,390 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
5
States / cities
Hazelwood, Missouri • Jennings, Missouri • Saint Ann, Missouri + 2 more
Conditions
COVID-19
Interventions
NVX-CoV2373 (5μg), NVX-CoV2601(5μg), NVX-CoV2601(35μg), NVX-CoV2601(50μg), Bivalent BA.4/5
Biological
Lead sponsor
Novavax
Industry
Eligibility
50 Years to 99 Years
Enrollment
994 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
50
States / cities
Birmingham, Alabama • Tucson, Arizona • Banning, California + 44 more
Conditions
COVID, Corona Virus Infection, Covid-19, SARS-CoV-2 Infection
Interventions
Dipyridamole 100 Milligram(mg), Placebo oral tablet
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Post-acute Sequelae of COVID-19, Depressive Symptoms, Cognitive Dysfunction
Interventions
CI-581a, CI-581b
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
New York, New York
Conditions
Viral Pneumonia
Interventions
SNG001, Placebo
Drug
Lead sponsor
Synairgen Research Ltd.
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
5
States / cities
Atlanta, Georgia • Chicago, Illinois • Detroit, Michigan + 2 more
Conditions
SARS-CoV-2
Interventions
mRNA-1273, Placebo
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
30,415 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
100
States / cities
Birmingham, Alabama • Chandler, Arizona • Glendale, Arizona + 79 more
Conditions
COVID-19 Infection, Hematopoietic and Lymphoid System Neoplasm, Leukemia, Lymphoma, Plasma Cell Myeloma
Interventions
COVID-19 Vaccine, Diagnostic Laboratory Biomarker Analysis, Synthetic MVA-based SARS-CoV-2 Vaccine GEO-CM04S1
Biological · Other
Lead sponsor
GeoVax, Inc.
Industry
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
6
States / cities
Duarte, California • Baltimore, Maryland • Worcester, Massachusetts + 3 more
Completed Not applicable Interventional Results available

Rapid, Onsite COVID-19 Detection

NCT04460690
Conditions
COVID-19, Sars-CoV2
Interventions
Rapid Onsite COVID-19 Detection
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
5 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Post Acute Sequelae Covid-19 Hyposmia
Interventions
Beclomethasone, Placebo, Microsponge
Drug · Other · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Corona Virus Infection
Interventions
Zotatifin, Placebo
Drug
Lead sponsor
Effector Therapeutics
Industry
Eligibility
18 Years to 64 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
4
States / cities
Anniston, Alabama • Cullman, Alabama • Tampa, Florida + 1 more
Conditions
Covid19
Interventions
Placebo injection and placebo pill, Estradiol Cypionate 5 mg/ml, Progesterone 200 mg Oral Capsule
Other · Drug
Lead sponsor
Tulane University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Orleans, Louisiana
Conditions
Coronavirus
Interventions
iAMP test
Diagnostic Test
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
New Berlin, Wisconsin
Conditions
Long COVID, Long Covid19
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 100 Years
Enrollment
5,205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
New York, New York
Active, not recruiting No phase listed Observational

COVID-19 Biorepository

NCT04568148
Conditions
Covid-19, SARS-CoV 2, Coronavirus, COVID
Interventions
Not listed
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
201 participants
Timeline
2020 – 2026
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
COVID-19
Interventions
Primary Exposure Status of Pfizer-BioNTech COVID-19 Vaccine, BNT162b2 BA.4/5 bivalent, XBB.1.5-adapted vaccinated
Biological
Lead sponsor
Pfizer
Industry
Eligibility
0 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Pasadena, California