Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 4, 2026, 2:20 PM EDT

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Showing 73–96 of 326 matching trials from the live ClinicalTrials.gov search.
Conditions
COVID-19
Interventions
OCU500
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
6
States / cities
Decatur, Georgia • Baltimore, Maryland • Boston, Massachusetts + 2 more
Conditions
Influenza, COVID-19
Interventions
Simultaneous Vaccination (Influenza Vaccine and mRNA COVID booster), Sequential Vaccination (Influenza vaccine then mRNA COVID booster), Sequential Vaccination (mRNA COVID booster then Influenza vaccine)
Biological
Lead sponsor
Duke University
Other
Eligibility
6 Years to 64 Years
Enrollment
455 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
8
States / cities
Phoenix, Arizona • Tempe, Arizona • Atlanta, Georgia + 4 more
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
Completed Not applicable Interventional Accepts healthy volunteers

Novelty, Conformity and Trust in COVID-19 Vaccines

NCT04693689
Conditions
Trust
Interventions
RNA vaccine, 20% adoption rate, 40% adoption rate, 60% adoption rate, 80% adoption rate, Conventional vaccine, 0% adoption rate
Other
Lead sponsor
National University of Singapore
Other
Eligibility
18 Years and older
Enrollment
35,180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
San Mateo, California
Conditions
Healthy Volunteer
Interventions
Flucelvax, Fluvirin, Fluzone High Dose
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
COVID-19
Interventions
SARS-CoV-2 rS/Matrix-M1 Adjuvant (Initial Vaccination Period), Placebo
Biological · Other
Lead sponsor
Novavax
Industry
Eligibility
6 Months to 11 Years
Enrollment
3,600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
47
States / cities
Little Rock, Arkansas • Anaheim, California • Bellflower, California + 41 more
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Trial Evaluating the Safety and Immunogenicity of 3 COVID-19 SARS-CoV-2 RNA Vaccines in Healthy Adults

NCT05037097
Conditions
COVID-19, SARS-CoV-2 Infection, Corona Virus Infection
Interventions
ARCT-165, ARCT-154, ARCT-021
Biological
Lead sponsor
Arcturus Therapeutics, Inc.
Industry
Eligibility
21 Years to 80 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Wichita, Kansas • Kansas City, Missouri
Conditions
Beliefs
Interventions
Corrective message framing and humor
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
21 Years to 99 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
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
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Study of mRNA Vaccine Formulation Against COVID-19 in Healthy Adults 18 Years of Age and Older

NCT04798027
Conditions
COVID-19
Interventions
SARS-CoV-2 mRNA vaccine formulation 1, SARS-CoV-2 mRNA vaccine formulation 2, SARS-CoV-2 mRNA vaccine formulation 3, Placebo (0.9% normal saline)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
12
States / cities
Rolling Hills Estates, California • Hollywood, Florida • Miami, Florida + 9 more
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Learn About a Combined COVID-19 and Influenza Shot in Healthy Adults

NCT06237049
Conditions
Influenza, Human, SARS-CoV-2 Infection, COVID-19
Interventions
BNT162b2 (Omi XBB.1.5)/RIV, BNT162b2 (Omi XBB.1.5), RIV, Normal saline placebo
Biological · Other
Lead sponsor
Pfizer
Industry
Eligibility
50 Years and older
Enrollment
644 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
30
States / cities
Lake Forest, California • Tustin, California • Walnut Creek, California + 22 more
Conditions
COVID-19, Pneumonia
Interventions
Heparin
Drug
Lead sponsor
University of Manitoba
Other
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
13
States / cities
Atlanta, Georgia • Chicago, Illinois • Jefferson, Louisiana + 10 more
Conditions
Covid19, Vaccine Reaction
Interventions
COVID-19 vaccine
Drug
Lead sponsor
Huntington Memorial Hospital
Other
Eligibility
Not listed
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Pasadena, California
Conditions
Healthy, Chronic Stable Illness
Interventions
casirivimab+imdevimab, Moderna mRNA-1273 vaccine
Drug · Biological
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years to 90 Years
Enrollment
295 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
6
States / cities
Little Rock, Arkansas • Rogers, Arkansas • Hialeah, Florida + 3 more
Conditions
Type 1 Diabetes, Diabetes Mellitus, Type 1
Interventions
CGM
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Columbia, Maryland
Completed Not applicable Interventional Results available

Improving COVID-19 Vaccine Uptake Among Black and Latino Youth

NCT05293392
Conditions
COVID-19
Interventions
Culturally-Tailored COVID-19 Vaccine Uptake Intervention, Standard Care
Behavioral
Lead sponsor
Nemours Children's Health System
Other
Eligibility
Not listed
Enrollment
5,792 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Wilmington, Delaware
Completed Phase 2 Interventional Results available

COVID-19 Protection After Transplant Pilot Study

NCT04969263
Conditions
Kidney Transplant Recipients
Interventions
BNT162b2 vaccine (Pfizer/BioNTech), mRNA-1273 vaccine (Moderna)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
SARS-CoV-2
Interventions
mRNA-1273.211, mRNA-1273, mRNA-1273.617.2, mRNA-1273.213, mRNA-1273.529, mRNA-1273.214, mRNA-1273.222, mRNA-1273.815, mRNA-1273.231
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
5,161 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
23
States / cities
Sacramento, California • Hollywood, Florida • Jacksonville, Florida + 18 more
Completed Phase 4 Interventional Accepts healthy volunteers

Simultaneous mRNA COVID-19 and IIV Vaccination in Pregnancy Study

NCT06503900
Conditions
Birth Outcomes, Safety, Adverse Event Following Immunization
Interventions
mRNA COVID-19 vaccine, IIV4 (quadrivalent inactivated influenza vaccine)
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
6
States / cities
Atlanta, Georgia • Boston, Massachusetts • Durham, North Carolina + 2 more
Conditions
Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
Interventions
Biospecimen Collection, Electronic Health Record Review
Procedure · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
11
States / cities
Duarte, California • Orange, California • Washington D.C., District of Columbia + 8 more
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 Phase 3 Interventional Accepts healthy volunteers Results available

Phase 3 Study of Novavax Vaccine(s) as Booster Dose After mRNA Vaccines

NCT05875701
Conditions
COVID-19
Interventions
NVX-CoV2373, SARS-CoV-2 rS antigen/Matrix-M Adjuvant
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 49 Years
Enrollment
147 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
5
States / cities
Austin, Texas • Fort Worth, Texas • Plano, Texas + 1 more
Conditions
COVID-19, SARS-CoV-2 Infection
Interventions
AZD9838, Licensed SARS-CoV-2 mRNA vaccine, AZD6563
Biological
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
243 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
5
States / cities
Long Beach, California • Rolling Hills Estates, California • Chicago, Illinois + 2 more
Completed No phase listed Observational Accepts healthy volunteers

Immune Response to SARS-CoV-2/COVID-19 Vaccination in Sarcoidosis

NCT05089565
Conditions
Sarcoidosis, SARS-CoV2 Infection, Vaccine Response Impaired
Interventions
Assay of (1) the level of anti-spike IgG antibody, and (2) interferon-gamma release in response to SARS-CoV-2 antigen stimulation
Diagnostic Test
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois