Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 6, 2026, 11:46 PM EDT

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Showing 97–120 of 180 matching trials from the live ClinicalTrials.gov search.
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
Covid19
Interventions
hAd5-S-Fusion+N-ETSD (Suspension for injection), hAd5-SFusion+ N-ETSD (Oral capsule)
Biological · Drug
Lead sponsor
ImmunityBio, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
El Segundo, California • Newport Beach, California
Completed No phase listed Observational Accepts healthy volunteers

COVID Booster in Pregnancy and Lactation

NCT05543993
Conditions
COVID-19
Interventions
Bivalent COVID-19 Booster
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
13 Years to 55 Years · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers Results available

Community Network-driven COVID-19 Testing and Vaccination of Vulnerable Populations in the Central US

NCT04743908
Conditions
Covid19
Interventions
Social Network Strategy + COVID-19 messaging
Other
Lead sponsor
University of Chicago
Other
Eligibility
15 Years and older
Enrollment
1,328 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
COVID-19 Vaccine, Cancer
Interventions
COVID-19 Vaccine
Biological
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
50 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
COVID-19, SARS-CoV-2
Interventions
CV2CoV (2 µg), CV2CoV (4 µg), CV2CoV (8 µg), CV2CoV (12 µg), CV2CoV (16 µg), CV2CoV (20 µg)
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
24
States / cities
Aurora, Colorado • Hallandale, Florida • Lakeland, Florida + 11 more
Completed Not applicable Interventional Accepts healthy volunteers

Planning Message Recommending Same Time/Location as Last Vaccine

NCT05612386
Conditions
COVID-19
Interventions
COVID Booster text messages
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
520,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
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
Conditions
Coronavirus Disease 2019 (COVID-19)
Interventions
COVID-19 convalescent plasma
Biological
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years to 80 Years
Enrollment
5,044 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Boston, Massachusetts • Seattle, Washington
Conditions
COVID-19 Infection, Hematopoietic and Lymphatic System Neoplasm, Malignant Solid Neoplasm
Interventions
Biospecimen Collection, Survey Administration
Procedure · Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
6 Months to 37 Years
Enrollment
549 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
72
States / cities
Birmingham, Alabama • Kingman, Arizona • Oakland, California + 50 more
Terminated Early Phase 1 Interventional Accepts healthy volunteers

COVID-19 Booster Vaccination in Persons With Multiple Sclerosis

NCT05081271
Conditions
Multiple Sclerosis
Interventions
Homologous booster, Heterologous booster
Biological
Lead sponsor
Griffin Hospital
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Derby, Connecticut
Conditions
COVID-19, Immunosuppression, Vaccine Response Impaired
Interventions
Reduction in antimetabolite immunosuppression
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Sacramento, California
Conditions
Covid19
Interventions
Moderna mRNA-1273 COVID-19 vaccine, Pfizer BNT162b2 COVID-19 vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
16
States / cities
Los Angeles, California • San Francisco, California • Stanford, California + 11 more
Conditions
Pregnancy
Interventions
Observational
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
4
States / cities
Atlanta, Georgia • Boston, Massachusetts • Durham, North Carolina + 1 more
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
COVID-19, Vaccine Uptake
Interventions
Tough Talks COVID
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 29 Years
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Tallahassee, Florida
Conditions
SARS CoV 2 Infection, SARS CoV 2 Vaccination
Interventions
Not listed
Lead sponsor
Boston University
Other
Eligibility
5 Years to 75 Years
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
COVID-19 Vaccination
Interventions
Moving to COVID-19 Vaccine Acceptance Intervention
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
338,718 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
North Little Rock, Arkansas • San Francisco, California
Conditions
Covid-19, Subjects Vaccinated Against Covid-19
Interventions
Change in SARS-CoV-2 Antibody Levels
Other
Lead sponsor
Dr. Sidney J. Stohs
Other
Eligibility
55 Years and older
Enrollment
10,000 participants
Timeline
2021 – 2024
U.S. locations
1
States / cities
Southlake, Texas
Completed Not applicable Interventional Accepts healthy volunteers Results available

Building Engagement Using Financial Incentives Trial - Colorectal Cancer Screening

NCT06124131
Conditions
Health Behavior, Colorectal Cancer, Influenza, COVID-19, Vaccine Hesitancy, Vaccine-Preventable Diseases, Healthcare Patient Acceptance
Interventions
Financial incentive for colorectal cancer screening, Financial incentive for flu shot, Financial incentive for COVID-19 shot
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
45 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Orleans, Louisiana
Conditions
Covid19, Vaccine Refusal
Interventions
Messaging informed by construal level theory, Usual Care
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
3,671 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
SARS-CoV-2
Interventions
Not listed
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,501 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
San Mateo, California
Terminated Not applicable Interventional Results available

COVID-19 Vaccine Hesitancy Counseling Intervention for Pharmacists

NCT05926544
Conditions
COVID-19
Interventions
Standard implementation webinar and online training, Virtual facilitation
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

COVID-19 Reactogenicity

NCT07051031
Conditions
COVID-19
Interventions
Nuvaxovid (NVX-CoV2705), mNEXSPIKE mRNA-1283
Drug
Lead sponsor
Marcel Curlin
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Portland, Oregon