Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 25, 2026, 8:54 AM EDT

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Showing 1–24 of 325 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
Conditions
COVID-19, Vaccine-Preventable Diseases, SARS CoV 2 Infection
Interventions
protein subunit: Novavax COVID-19 vaccine, Pfizer mRNA COVID-19 vaccine
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years and older
Enrollment
660 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity Trial of PepGNP-COVID19 Vaccine in Adults

NCT07183709
Conditions
COVID-19
Interventions
PepGNP-COVID19, Sterile Water for Injection
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
3
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Cincinnati, Ohio
Completed Not applicable Interventional Results available

RADx-UP Phase 3D (Oregon Saludable: Juntos Podemos)

NCT05910879
Conditions
Health Behavior, Health Care Utilization, Vaccine Hesitancy
Interventions
Self-Affirmation Implementation Intentions (SAII) Intervention, Promotores de Salud (Health Education)
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
18 Years and older
Enrollment
625 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Eugene, Oregon
Conditions
COVID-19
Interventions
XBB.1.5 Vaccine (Booster), XBB.1.5 Vaccine (single dose)
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 54 Years
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
30
States / cities
Mobile, Alabama • Sacramento, California • Colorado Springs, Colorado + 26 more
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
Conditions
Influenza, Human, COVID-19
Interventions
bivalent BNT162b2 (original/Omi BA.4/BA.5), qIRV (22/23), QIV, bIRV, tIRV
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years and older
Enrollment
1,019 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
59
States / cities
Athens, Alabama • Phoenix, Arizona • Lake Forest, California + 40 more
Not listed No phase listed Observational

Long COVID-19 and MAB Study

NCT05508295
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
MultiCare Health System Research Institute
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Tacoma, Washington
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

Safety and Immunogenicity Study of 20vPnC When Coadministered With a Booster Dose of BNT162b2

NCT04887948
Conditions
Pneumococcal Disease, COVID-19, SARS-CoV-2 Infection
Interventions
20-valent pneumococcal conjugate vaccine (20vPnC), BNT162b2, Saline
Biological · Other
Lead sponsor
Pfizer
Industry
Eligibility
65 Years and older
Enrollment
570 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
27
States / cities
Anaheim, California • Walnut Creek, California • Coral Gables, Florida + 21 more
Conditions
Rheumatoid Arthritis, Psoriatic Arthritis, Spondylarthritis
Interventions
Upadacitinib, Abatacept, Secukinumab, Tofacitinib, TNF Inhibitor, Canakinumab Injection, Baricitinib, Ixekizumab
Drug
Lead sponsor
Jeffrey Curtis
Other
Eligibility
18 Years to 85 Years
Enrollment
841 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
8
States / cities
Birmingham, Alabama • Hoover, Alabama • Phoenix, Arizona + 4 more
Conditions
Covid19, SARS-CoV2 Infection
Interventions
mRNA-1273
Biological
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
336 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Solid Tumor Malignancy, Hematologic Malignancy, Leukemia, Lymphoma, Multiple Myeloma
Interventions
Messenger ribonucleic acid (mRNA)-1273 Vaccine, Messenger ribonucleic acid (mRNA)-1273 Vaccine Booster, ECG, Antibiotics, Anti-viral agents, Anti-fungal agent, Anti-emetics
Biological · Diagnostic Test · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
Pharm-Olam, LLC
Industry
Eligibility
12 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
6
States / cities
Boston, Massachusetts • Omaha, Nebraska • Syracuse, New York + 3 more
Conditions
Multiple Myeloma, Waldenstrom Macroglobulinemia, Immune System Disorder, Covid19
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
146 participants
Timeline
2021 – 2022
U.S. locations
2
States / cities
Boston, Massachusetts
Conditions
Cancer, Hematopoietic System--Cancer, Transplant-Related Cancer, Solid Tumor Malignancy, Hematologic Malignancy, Solid Organ Transplant, Hematopoietic Cell Transplant, Cellular Therapy
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 24 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
3
States / cities
Memphis, Tennessee
Conditions
COVID-19, COVID-19 Pandemic
Interventions
COVID-19 walk-up, on-site testing strategy, Community Health Worker (CHW) leading testing navigation and general preventive care reminders, No-cost self-testing kit vending machines
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
Not listed
Enrollment
6,527 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
San Ysidro, California
Conditions
SARS-CoV-2 Infection, COVID-19, SARS-CoV-2 Acute Respiratory Disease, SARS (Disease)
Interventions
BNT162b2, Multivalent BNT162b2 (B.1.1.7 + B.1.617.2), Monovalent BNT162b2 (B.1.1.7), Monovalent BNT162b2 (B.1.617.2), Monovalent BNT162b2 (B.1.1.529.1), Observational
Biological · Other
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years to 85 Years
Enrollment
1,380 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
14
States / cities
Long Beach, California • San Diego, California • Milford, Connecticut + 10 more
Conditions
COVID-19 Vaccines
Interventions
Reminder/Recall Sent Via Preferred Method of Communication
Behavioral
Lead sponsor
Marshfield Clinic Research Foundation
Other
Eligibility
12 Years to 17 Years
Enrollment
4,304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Marshfield, Wisconsin
Conditions
COVID-19
Interventions
ADVANCE Steering Committee interventions
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
37,122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Schwenksville, Pennsylvania
Conditions
COVID-19
Interventions
Active Intervention Group
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Completed Phase 3 Interventional Accepts healthy volunteers

Safety and Immunogenicity of NVX-CoV2705

NCT07079670
Conditions
COVID-19, SARS-CoV-2 Infection
Interventions
NVX-CoV2705
Biological
Lead sponsor
Sanofi
Industry
Eligibility
12 Years to 90 Years
Enrollment
676 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
10
States / cities
Phoenix, Arizona • Melrose Park, Illinois • Lenexa, Kansas + 7 more
Recruiting No phase listed Observational Accepts healthy volunteers

Understanding Immunity to the Flu Vaccine in COVID-19 Patients

NCT04579588
Conditions
Corona Virus Infection, Flu Vaccine, Immunity
Interventions
Flu shot
Biological
Lead sponsor
Stanford University
Other
Eligibility
9 Years to 64 Years
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impact of LA-CEAL HALT COVID-19 Ambassador Program on Likelihood to Vaccinate

NCT04930965
Conditions
Covid19, Vaccine Refusal
Interventions
Community health worker engagement
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New Orleans, Louisiana