Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 15, 2026, 3:20 PM EDT

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Showing 553–576 of 1,235 matching trials from the live ClinicalTrials.gov search.
Conditions
SARS-CoV-2
Interventions
SARS-CoV-2 IgG Antibody Testing Kit
Diagnostic Test
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
571 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Post Acute COVID 19 Syndrome, Memory Impairment, Memory Dysfunction, Cognitive Dysfunction
Interventions
HOBSCOTCH-PACS
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
20 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Lebanon, New Hampshire
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Flu COVID Vaccine Views

NCT07871448
Conditions
Influenza, COVID-19, Vaccination Willingness
Interventions
Survey
Other
Lead sponsor
George Washington University
Other
Eligibility
18 Years to 89 Years
Enrollment
550 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
2
States / cities
Washington D.C., District of Columbia
Conditions
COVID, Corona Virus Infection, Respiratory Failure, Respiratory Distress Syndrome, Adult, ARDS, Human, SARS (Severe Acute Respiratory Syndrome)
Interventions
gammaCore® Sapphire (non-invasive vagus nerve stimulator), Standard of care therapies
Device · Other
Lead sponsor
Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Conditions
COVID 19
Interventions
Saline Nasal Irrigation, Saline with Baby Shampoo Nasal Irrigation
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
SARS-CoV-2 Infection, COVID-19
Interventions
BNT162b2, Placebo, BNT162b2 OMI, Combination BNT162b2 and BNT162b2 OMI, Combination (Bivalent) BNT162b2 and BNT162b2 OMI
Biological · Other
Lead sponsor
BioNTech SE
Industry
Eligibility
12 Years and older
Enrollment
16,372 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
139
States / cities
Athens, Alabama • Birmingham, Alabama • Huntsville, Alabama + 99 more
Withdrawn Phase 2 Interventional

Asymptomatic COVID-19 Trial

NCT04374552
Conditions
SARS-CoV-2 Infection
Interventions
Hydroxychloroquine sulfate &Azithromycin, Placebo
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
20 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New Brunswick, New Jersey
Conditions
Long COVID, Long Covid19, Post-Acute COVID-19, Post-Acute COVID-19 Syndrome, Long Haul COVID, Long-Haul COVID-19
Interventions
Endourage Targeted Wellness Formula C™, a full hemp flower extract
Combination Product
Lead sponsor
Endourage, LLC
Industry
Eligibility
21 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Denver, Colorado
Conditions
COVID-19 SARS-CoV-2 Infection
Interventions
ibuzatrelvir, placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years and older
Enrollment
2,330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
90
States / cities
Huntsville, Alabama • Little Rock, Arkansas • Bakersfield, California + 66 more
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Longitudinal At Home Smell Testing to Detect Infection by SARS-CoV-2

NCT05040659
Conditions
Anosmia, Asymptomatic COVID-19, COVID-19 Respiratory Infection, Influenza, Healthy, PASC Post Acute Sequelae of COVID 19
Interventions
AROMHA Longitudinal Smell Test
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 100 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

A Trial Evaluating the Safety and Effects of an RNA Vaccine ARCT-021 in Healthy Adults

NCT04668339
Conditions
Covid19, SARS-CoV Infection, Corona Virus Infection
Interventions
ARCT-021 single dose priming, ARCT-021 two lower dose priming, ARCT-021 two higher dose priming, Placebo (two doses), priming, Randomized booster, Placebo booster
Biological
Lead sponsor
Arcturus Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
581 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
12
States / cities
Chandler, Arizona • Tucson, Arizona • San Diego, California + 9 more
Conditions
SARS-CoV-2, COVID-19 Vaccines
Interventions
Vaccination
Biological
Lead sponsor
Pfizer
Industry
Eligibility
Not listed
Enrollment
19,853,610 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New York, New York
Completed No phase listed Observational

Preop COVID Testing Patterns

NCT04838119
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
375,692 participants
Timeline
2021
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
COVID-19
Interventions
MLS Laser, Regular Inpatient Medical Care
Device · Other
Lead sponsor
Lowell General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Lowell, Massachusetts
Completed Phase 1 Interventional Accepts healthy volunteers

PA-001 Ph.1 Study in Healthy and Elderly Subjects

NCT07518771
Conditions
COVID - 19
Interventions
PA-001
Drug
Lead sponsor
PeptiDream Inc.
Industry
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Covid19, SARS-CoV Infection
Interventions
Fisetin, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
65 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Early Phase 1 Interventional Accepts healthy volunteers

Long COVID-19 [11C]CPPC Study

NCT06223971
Conditions
COVID Long-Haul
Interventions
[11C]CPPC Injection
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
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
Conditions
SARS (Severe Acute Respiratory Syndrome), Coronavirus
Interventions
Nitric Oxide Gas
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 99 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
4
States / cities
Birmingham, Alabama • Shreveport, Louisiana • Boston, Massachusetts
Completed Phase 2 Interventional Results available

Stellate Ganglion Block for COVID-induced Parosmia

NCT06253806
Conditions
COVID-19-Induced Parosmia
Interventions
Stellate Ganglion Block, Placebo Sham Injection
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Tachycardia, Dyspnea, COVID-19
Interventions
Metoprolol Succinate
Drug
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years to 40 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Hackensack, New Jersey
Conditions
COVID-19
Interventions
AZD7442, Placebo, Remdesivir
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
1,455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
88
States / cities
Tucson, Arizona • Chula Vista, California • Fresno, California + 59 more