Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 30, 2026, 2:18 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 553–576 of 1,043 matching trials from the live ClinicalTrials.gov search.
Conditions
COVID 19
Interventions
MR or M-M-R II ® vaccine, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
3,411 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
SARS-CoV-2 Infection
Interventions
COVID-HIG
Biological
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
18 Years to 59 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Miami, Florida • Springfield, Missouri
Completed No phase listed Observational Accepts healthy volunteers

Serological Surveillance for COVID-19 in Central North Carolina

NCT04490174
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 100 Years
Enrollment
643 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Conditions
Long COVID, Long Covid19, Long Covid-19
Interventions
Personalized Cardiopulmonary Rehabilitation, Education
Behavioral · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Neuropsychiatric Post-Acute Sequelae of SARS-CoV-2 Infection
Interventions
PET Tracer, MRI Tracer, 3T PET/MRI
Drug · Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Timeline
2022 – 2027
U.S. locations
1
States / cities
New York, New York
Conditions
COVID-19
Interventions
SARS-CoV-2 recombinant protein vaccine Phase 2 Formulation 1, SARS-CoV-2 recombinant protein vaccine Phase 2 Formulation 2, SARS-CoV-2 recombinant protein vaccine Phase 2 Formulation 3, SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (D614)-AS03, Dosage A, SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (B.1.351)-AS03, SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (D614)-AS03, Dosage B, SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (B.1.351)-AS03 Alternative Exploratory Formulation 1, SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (B.1.351)-AS03 Alternative Exploratory Formulation 2, SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (B.1.351)-AS03 Alternative Exploratory Formulation 3, SARS-CoV-2 adjuvanted recombinant protein vaccine, monovalent (B.1.351)-AS03 Alternative Exploratory Formulation 4, SARS-CoV-2 adjuvanted recombinant protein vaccine, bivalent (D614+B.1.351)-AS03
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
3,159 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
30
States / cities
Birmingham, Alabama • Chandler, Arizona • Glendale, Arizona + 26 more
Conditions
Long COVID, Post-Acute COVID-19 Syndrome
Interventions
Amantadine, Physical, Occupational, Speech Therapy, Provider Counseling, Medications for symptoms management
Drug · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
20 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Covid19
Interventions
LY3819253, Placebo, Remdesivir, VIR-7831, BRII-196/BRII-198, AZD7442, MP0420, PF-07304814
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
2,753 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
98
States / cities
Tucson, Arizona • Chula Vista, California • Fresno, California + 64 more
Recruiting No phase listed Observational Accepts healthy volunteers

Dysbiosis & Long COVID

NCT06825819
Conditions
COVID-19
Interventions
Subjects with and without Long COVID
Biological
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Post-COVID-19 Syndrome, Fatigue Syndrome, Chronic
Interventions
Anhydrous Enol-Oxaloacetate, a "Medical Food", White Rice Flour
Other
Lead sponsor
Terra Biological LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
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
Covid19
Interventions
Not listed
Lead sponsor
Tulane University
Other
Eligibility
6 Months to 120 Years
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
2
States / cities
New Orleans, Louisiana
Conditions
COVID-19
Interventions
COVID-HIGIV, Placebo (saline)
Biological · Other
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
18 Years to 60 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Conditions
COVID-19, Cancer
Interventions
Hydroxychloroquine, Placebo, Radiation therapy
Drug · Other · Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Active, not recruiting Not applicable Interventional

tVNS in Long COVID-19

NCT06585254
Conditions
Long COVID, Chronic Fatigue Syndrome
Interventions
Transcutaneous vagus nerve stimulator
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
21 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
New York, New York
Conditions
Neuro-PASC, Long COVID
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Portland, Oregon • Mountain Home, Tennessee
Conditions
Cytokine Storm (Covid-19)
Interventions
Ruxolitinib, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
432 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
11
States / cities
Fullerton, California • Aurora, Colorado • Denver, Colorado + 8 more
Conditions
Acute Lung Injury
Interventions
VIB7734, Placebo
Drug
Lead sponsor
Viela Bio
Industry
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Covid19
Interventions
No video, Video Text
Behavioral
Lead sponsor
NDRI-USA, Inc.
Other
Eligibility
18 Years and older
Enrollment
545 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
New York, New York
Conditions
COVID-19, Corona Virus Infection, Wuhan Coronavirus, Prophylaxis, Healthcare Worker, Sars-CoV2, Hydroxychloroquine
Interventions
Hydroxychloroquine, Placebo
Drug
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years and older
Enrollment
1,700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Lafayette, Louisiana
Completed Not applicable Interventional Accepts healthy volunteers

Incidence of COVID-19 Test Conversion in Post-surgical Patients

NCT04392323
Conditions
Sars-CoV2
Interventions
COVID-19 PCR and Serology
Diagnostic Test
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
2
States / cities
Manhasset, New York • New Hyde Park, New York
Conditions
Post COVID-19, Cognitive Dysfunction
Interventions
Parasym Device (of Parasym Ltd, UK) using Transcutaneous Vagus Nerve Stimulation (t-VNS)
Device
Lead sponsor
Casa Colina Hospital and Centers for Healthcare
Other
Eligibility
18 Years to 85 Years · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Pomona, California
Conditions
COVID-19
Interventions
COVID-19 mRNA vaccine, VYD2311, Placebo (Normal Saline)
Drug
Lead sponsor
Invivyd, Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Overland Park, Kansas
Conditions
Smell Dysfunction, Olfactory Disorder, Long COVID
Interventions
Trigeminal Nerve Stimulation (TNS), Active Smell Training (ST), Placebo Smell Training (PBO)
Device · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina