Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 14, 2026, 2:22 PM EDT

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Showing 169–192 of 2,011 matching trials from the live ClinicalTrials.gov search.
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

GLS-1200 Topical Nasal Spray to Prevent SARS-CoV-2 Infection (COVID-19)

NCT04408183
Conditions
SARS-CoV 2, Infection
Interventions
GLS-1200, Placebo
Drug
Lead sponsor
GeneOne Life Science, Inc.
Industry
Eligibility
18 Years and older
Enrollment
184 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
3
States / cities
Baton Rouge, Louisiana • Philadelphia, Pennsylvania • Conroe, Texas
Recruiting No phase listed Observational Accepts healthy volunteers

The Impact of COVID-19 on Pulmonary Procedures

NCT05022446
Conditions
COVID-19 Infection, Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Survey Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Houston, Texas
Conditions
Covid19
Interventions
VXA-CoV2-1
Biological
Lead sponsor
Vaxart
Industry
Eligibility
18 Years to 54 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Cypress, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Persuasion in Medicine: Experimental Evidence on Sender and Signal Effects

NCT04160975
Conditions
Flu, Human, Influenza, Human, Covid19
Interventions
Video about safety and effectiveness of adult seasonal flu vaccination
Behavioral
Lead sponsor
Harvard University
Other
Eligibility
18 Years to 51 Years · Male only
Enrollment
3,245 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Cambridge, Massachusetts
Conditions
Relapsing Multiple Sclerosis (RMS)
Interventions
Ofatumumab, mRNA COVID-19 vaccine, interferon or glatiramer acetate
Drug · Biological
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
7
States / cities
Phoenix, Arizona • Hollywood, Florida • Wellesley, Massachusetts + 4 more
Conditions
Influenza, COVID-19, SARS-COV-2 Infection, Other Respiratory Viruses, Perinatal Morbidity, Infant Morbidity
Interventions
Exposures
Other
Lead sponsor
Boston University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
10,000 participants
Timeline
2023 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
COVID-19
Interventions
COVID-19 Convalescent Plasma
Biological
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed No phase listed Observational Accepts healthy volunteers Results available

Breath Analysis Based Disease Biomarkers

NCT04341012
Conditions
Liver Diseases, Liver Cancer, COVID19
Interventions
Collection of breath sample
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Jacksonville, Florida
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
679 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Bethesda, Maryland + 1 more
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Related Health and Infection Control Practices Among Dentists

NCT04423770
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2
Interventions
No intervention
Other
Lead sponsor
American Dental Association
Other
Eligibility
18 Years and older
Enrollment
2,196 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Completed No phase listed Observational

Detecting SARS-CoV-2 in Tears

NCT04526769
Conditions
COVID, COVID-19, Corona Virus Infection, SARS-CoV-2
Interventions
Tear Collection
Diagnostic Test
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Withdrawn Not applicable Interventional Accepts healthy volunteers

Assessment of Fit of Novel N95 Style Transparent Face Masks

NCT06570161
Conditions
Respiratory Disease, Infection, Coronavirus, Respiratory Tract Infections
Interventions
SEEUS95 Transparent mask, CrystalGuard Mask, N95 face mask
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Completed No phase listed Observational Results available

Impact of COVID-19 on Marshallese Communities in the U.S.

NCT04474496
Conditions
COVID-19
Interventions
Assessing the impact of COVID-19
Other
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older
Enrollment
120 participants
Timeline
2020
U.S. locations
1
States / cities
Fayetteville, Arkansas
Conditions
Covid-19
Interventions
Quidel Sofia SARS Antigen FIA
Diagnostic Test
Lead sponsor
Carilion Clinic
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Roanoke, Virginia
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Open-label Placebos on COVID-related Psychological Health

NCT05035550
Conditions
Stress, Anxiety, Depression
Interventions
Non-Deceptive Placebo
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
18 Years to 30 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
East Lansing, Michigan
Conditions
Long Covid
Interventions
Attention Training, Music Group
Other
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 75 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
COVID-19
Interventions
Remdesivir (RDV), Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
28
States / cities
Mesa, Arizona • Tucson, Arizona • Bakersfield, California + 20 more
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study to Learn About How the Flu and COVID-19 Vaccines Act in Healthy People

NCT06821061
Conditions
Influenza, COVID-19 (Coronavirus Disease 2019)
Interventions
Investigational Influenza Vaccine, Investigational COVID-19 Vaccine, Investigational Influenza and COVID-19 Combination Vaccine, Licensed Influenza Vaccine 1, Licensed Influenza Vaccine 2, Licensed Influenza Vaccine 3, Licensed COVID-19 Vaccine
Biological · Combination Product
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years and older
Enrollment
2,650 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
31
States / cities
Anaheim, California • Lake Forest, California • Riverside, California + 26 more
Conditions
Covid19, Satisfaction, Patient, Telemedicine
Interventions
Telemedicine visit, In-person postoperative visit
Behavioral
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Results available

COVID-19 Patient Positioning Pragmatic Trial

NCT04359797
Conditions
COVID-19
Interventions
Prone, Usual Care
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
501 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Highland Park, Illinois • Nashville, Tennessee
Conditions
Long COVID
Interventions
Tonabersat, Placebo
Drug
Lead sponsor
Inflammx Therapeutics Inc
Industry
Eligibility
21 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Waltham, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Motivation, Syringe Exchange, and COVID-19

NCT05534061
Conditions
COVID-19 Pandemic
Interventions
Connect2Test
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
18 Years and older
Enrollment
349 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Eugene, Oregon