Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 15, 2026, 4:51 PM EDT

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Showing 577–600 of 1,235 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional

Vagal Approaches on Long COVID-19

NCT07190105
Conditions
Long COVID Symptoms
Interventions
Sonocea Sonic Augmentation Technology (SAT), Truvaga Electrical Vagus Nerve Stimulator
Other
Lead sponsor
Leidos Life Sciences
Industry
Eligibility
18 Years and older
Enrollment
546 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Frederick, Maryland
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
COVID-19
Interventions
Dapsone 85 mg PO BID, Placebo 85 mg PO BID
Drug
Lead sponsor
McGill University Health Centre/Research Institute of the McGill University Health Centre
Other
Eligibility
40 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
5
States / cities
Phoenix, Arizona • High Point, North Carolina • Philadelphia, Pennsylvania + 2 more
Terminated No phase listed Observational Accepts healthy volunteers

Immune Responses in Oncology Patients to Novel Coronavirus Vaccines (IROC)

NCT04930055
Conditions
Cancer
Interventions
COVID-19 Vaccination
Biological
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
2,206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Carmel, Indiana • Indianapolis, Indiana
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
Long COVID
Interventions
Maraviroc (MVC), Atorvastatin, 10mg, 20mg, 40mg, Placebo, Maraviroc, Placebo, Atorvastatin
Drug
Lead sponsor
HealthBio, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
252 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Tucson, Arizona
Terminated No phase listed Observational Accepts healthy volunteers

Vaccine Observation to Include All Communities for Equitable Science

NCT04770649
Conditions
Vaccine Response Impaired, Vaccine Adverse Reaction
Interventions
COVID-19 vaccine
Biological
Lead sponsor
Persephone Biosciences
Industry
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Diego, California
Completed Phase 2 Interventional Results available

Effect of Lithium Therapy on Long COVID Symptoms

NCT05618587
Conditions
Long COVID
Interventions
Lithium, Placebo
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 80 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Williamsville, New York
Conditions
Covid19
Interventions
Mouthwash Product
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Newark, New Jersey
Not listed Not applicable Interventional Accepts healthy volunteers

Long COVID-19 Intervention Using Digital Health & Technology

NCT05616806
Conditions
Long COVID, Distress Tolerance
Interventions
iENDURE
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Providence, Rhode Island
Conditions
SARS-CoV2 Infection, COVID-19
Interventions
IMM-BCP-01, Placebo
Drug
Lead sponsor
Immunome, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
3
States / cities
Long Beach, California • Miami Lakes, Florida • New York, New York
Conditions
SARS-CoV 2
Interventions
Phase 1, Phase 2
Radiation
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
40 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Post-acute COVID-19 Syndrome
Interventions
Xltranplus, Xltran
Other
Lead sponsor
LUCINDA BATEMAN, MD
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Completed Phase 2 Interventional Results available

COVID-19 Anosmia Study

NCT04495816
Conditions
Anosmia, Covid19
Interventions
Omega-3 Fatty Acid Supplement, Placebo/Control
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Household Transmission Study

NCT04445233
Conditions
COVID-19
Interventions
COVID-19 IgM-IgG Rapid Test
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
1 Year and older
Enrollment
315 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Acute and Long Term Effects of COVID-19 on Systemic Inflammation, Acute and Long Term Effects of COVID-19 on Lung Function, Acute and Long Term Effects of COVID-19 on Cardiac Function, Acute and Long Term Effects of COVID-19 on Kidney Function, Acute and Long Term Effects of COVID-19 on Brain Function
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 80 Years
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Assessment of Delayed-type Hypersensitivity Reactions to SARS-CoV-2 Peptide Antigens

NCT05216510
Conditions
Detection of Delayed-type Hypersensitivity Reactions to SARS-CoV-2 in Individuals Exposed to SARS-CoV-2
Interventions
TNX-2110, TNX-2120, TNX-2130, CANDIN, Diluent
Biological
Lead sponsor
Tonix Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Berlin, New Jersey
Conditions
COVID-19
Interventions
Standard of care, Apremilast, Apremilast placebo, Lanadelumab, Lanadelumab placebo, Zilucoplan, Zilucoplan placebo
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years and older
Enrollment
515 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
21
States / cities
Anniston, Alabama • Bakersfield, California • Chula Vista, California + 17 more
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
COVID-19
Interventions
Placebo, Ruxolitinib
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
12 Years and older
Enrollment
211 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
35
States / cities
Scottsdale, Arizona • San Diego, California • Washington D.C., District of Columbia + 29 more
Conditions
SARS-CoV-2 Infection
Interventions
Losartan, Placebo
Drug
Lead sponsor
Bassett Healthcare
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Cooperstown, New York
Conditions
COVID-19, Coronavirus Disease 2019, Influenza
Interventions
COVID-19 Vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
999 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
New York, New York
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
COVID, Coronavirus Infection
Interventions
Chloroquine, Placebo oral tablet
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York