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ClinicalTrials.gov public records Last synced Sep 8, 2026, 10:51 PM EDT

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Showing 1–24 of 266 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Results available

COVID-19 Vaccinations With a Sweepstakes

NCT04951310
View directory record Official record
Conditions
Covid19
Interventions
Philly Vax Sweepstakes
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
3,827,656 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Sep 8, 2026, 10:51 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study to Assess Maternal and Infant Outcomes Following Exposure to SPIKEVAX During Pregnancy

NCT06369272
View directory record Official record
Conditions
Maternal Outcomes, Infant Outcomes, Pregnancy
Interventions
Not listed
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
13 Years to 49 Years · Female only
Enrollment
1,192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Newton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 15, 2024 · Synced Sep 8, 2026, 10:51 PM EDT
Not listed Not applicable Interventional

Increasing HPV Immunization Rates: The Rural Adolescent Vaccine Enterprise

NCT03604393
View directory record Official record
Conditions
Human Papilloma Virus
Interventions
Practice facilitation
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 89 Years
Enrollment
22,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 30, 2022 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Western Equine Encephalitis Vaccine, Inactivated

NCT01159561
View directory record Official record
Conditions
Virus
Interventions
Western Equine Encephalitis Vaccine
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Fort Deterick, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 28, 2019 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Tdap Vaccine Safety for Plasma Donors

NCT04142983
View directory record Official record
Conditions
Tetanus
Interventions
Adacel
Biological
Lead sponsor
GCAM Inc.
Industry
Eligibility
18 Years to 63 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Eagle Pass, Texas • Laredo, Texas
Source: ClinicalTrials.gov public record
Updated Dec 5, 2022 · Synced Sep 8, 2026, 10:51 PM EDT
Completed No phase listed Observational

Use and Effectiveness of COVID-19 Vaccines Using State Vaccine Registries and Insurance Claims Data

NCT05876377
View directory record Official record
Conditions
SARS-CoV-2, COVID-19, Post-Acute COVID-19 Syndrome
Interventions
Pfizer-BioNTech COVID-19 mRNA vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
6 Months and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Single Ascending Dose Study in Adults (Stage 1) and Single Ascending Dose-Finding Study (Stage 2) in Elderly Subjects With ASP3772, A Pneumococcal Vaccine

NCT03803202
View directory record Official record
Conditions
Pneumonia, Bacterial, Healthy Volunteers, Pneumococcal Disease
Interventions
ASP3772, PCV13, PPSV23
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 85 Years
Enrollment
630 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
26
States / cities
Banning, California • San Diego, California • San Marcos, California + 21 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2023 · Synced Sep 8, 2026, 10:51 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

The Safety of Boostrix Following Routine Immunization of Pregnant Women

NCT03463577
View directory record Official record
Conditions
Whooping Cough
Interventions
Safety assessment following routine immunization with Boostrix
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
Female only
Enrollment
65,783 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Sep 8, 2026, 10:51 PM EDT
Terminated Not applicable Interventional

Lupus Education Alliance Program

NCT05243875
View directory record Official record
Conditions
Systemic Lupus Erythematosus, COVID-19
Interventions
LEAP Education + Navigation, LEAP Education
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
18 Years and older
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 2, 2025 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Efficacy, Immunogenicity and Safety in a Sporozoite Challenge Model of a Fractional Booster Dose of GSK Biologicals' Candidate Malaria Vaccine Administered to Previously Vaccinated Healthy Malaria-naïve Adults

NCT03824236
View directory record Official record
Conditions
Malaria
Interventions
RTS,S/AS01E (SB257049)
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 13, 2020 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Clinical Study to Evaluate Safety, Immunogenicity of Investigational Flu Vaccine Compared to an Approved Flu Vaccine (QIV) in Children Previously Vaccinated in Trial V118_05

NCT02255409
View directory record Official record
Conditions
Influenza
Interventions
Adjuvanted Quadrivalent Subunit Influenza Virus Vaccine (aQIV), non-adjuvanted Quadrivalent Influenza Vaccine (QIV)
Biological
Lead sponsor
Seqirus
Industry
Eligibility
12 Months to 84 Months
Enrollment
607 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
19
States / cities
San Diego, California • San Gabriel, California • Colorado Springs, Colorado + 14 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2023 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Trial to Investigate Viral Shedding in Healthy Children Vaccinated With Vaccine Virus Liquid (CAIV-T)

NCT00192387
View directory record Official record
Conditions
Influenza
Interventions
CAIV-T, Liquid
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
6 Months to 18 Months
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001
U.S. locations
1
States / cities
Monroe, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 12, 2021 · Synced Sep 8, 2026, 10:51 PM EDT
Withdrawn Phase 2Phase 3 Interventional

Essential Amino Acid Supplementation in Older Adult COVID-19 Patients

NCT04816071
View directory record Official record
Conditions
Covid19
Interventions
Essential amino acids, Maltodextrin
Drug · Dietary Supplement
Lead sponsor
University of Arkansas
Other
Eligibility
55 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Sep 2, 2024 · Synced Sep 8, 2026, 10:51 PM EDT
Terminated Phase 1 Interventional

Local Modulation of Immune Receptors to Enhance the Response to Dendritic Cell Vaccination in Metastatic Melanoma

NCT01216436
View directory record Official record
Conditions
Metastatic Melanoma
Interventions
Vaccination with RNA-transfected mature autologous DC
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 24, 2015 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Electronic and Mail Outreach From Primary Care Physicians for COVID-19 Vaccination Among Elderly Patients

NCT05096026
View directory record Official record
Conditions
Vaccination
Interventions
Standard PCP Outreach, Culturally Tailored PCP Outreach
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
65 Years and older
Enrollment
8,287 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Oct 26, 2021 · Synced Sep 8, 2026, 10:51 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Assessment of Delayed-type Hypersensitivity Reactions to SARS-CoV-2 Peptide Antigens

NCT05216510
View directory record Official record
Conditions
Detection of Delayed-type Hypersensitivity Reactions to SARS-CoV-2 in Individuals Exposed to SARS-CoV-2
Interventions
TNX-2110, TNX-2120, TNX-2130, CANDIN, Diluent
Biological
Lead sponsor
Tonix Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Berlin, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 5, 2024 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Assess the Safety and Immunogenicity of a Single Dose of GlaxoSmithKline's (GSK) Meningococcal MenACWY-CRM Vaccine (Menveo), Administered to Subjects 15 Through 55 Years of Age, Approximately 4-6 Years After Primary ACWY Vaccination

NCT02986854
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
Meningococcal (groups A, C, W and Y) oligosaccharide diphtheria CRM-197 conjugate Vaccine (Menveo)
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
15 Years to 55 Years
Enrollment
704 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
36
States / cities
Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 27 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2019 · Synced Sep 8, 2026, 10:51 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

A Safety and Immunogenicity Trial of Boost-2867 Vaccine, Via Intranasal and Intramuscular Routes

NCT07221162
View directory record Official record
Conditions
COVID-19
Interventions
Aluminum Hydroxide Suspension, Boost-2867, CpG 7909, Sodium Chloride, 0.9%
Drug · Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
8
States / cities
San Francisco, California • Baltimore, Maryland • St Louis, Missouri + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Sep 8, 2026, 10:51 PM EDT
Completed No phase listed Observational

Duration of Long-term Immunity After Hepatitis B Virus Immunization

NCT01182311
View directory record Official record
Conditions
Hepatitis B
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 10, 2020 · Synced Sep 8, 2026, 10:51 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

A Ph 2 Trial With an Oral Tableted COVID-19 Vaccine

NCT05067933
View directory record Official record
Conditions
COVID-19
Interventions
VXA-CoV2-1.1-S, Placebo Tablets
Drug · Other
Lead sponsor
Vaxart
Industry
Eligibility
18 Years to 75 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
4
States / cities
Long Beach, California • Wichita, Kansas • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2025 · Synced Sep 8, 2026, 10:51 PM EDT
Completed Phase 2 Interventional

Safety and Efficacy Study of GL-0817 (With Cyclophosphamide) for the Prevention of Recurrence of Squamous Cell Carcinoma of the Oral Cavity

NCT02873819
View directory record Official record
Conditions
Squamous Cell Carcinoma of the Oral Cavity
Interventions
GL-0817, Hiltonol, Sargramostim, cyclophosphamide, Placebo
Drug
Lead sponsor
Gliknik Inc.
Industry
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 7, 2022 · Synced Sep 8, 2026, 10:51 PM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

Safety and Tolerability of a Newcastle Disease Virus-Based Mucosal COVID-19 Vaccine in Previously Vaccinated Adults

NCT07215520
View directory record Official record
Conditions
COVID-19
Interventions
NDV-HXP-S-KP.2, COVID-19 mRNA Vaccine
Biological
Lead sponsor
CastleVax Inc.
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Colorado Springs, Colorado • Burlington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 8, 2026, 10:51 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Trial in HPV Prevention for the U.S. Vietnamese Community

NCT07637630
View directory record Official record
Conditions
HPV-related Cancers, HPV Vaccination
Interventions
Expert Video, Self-persuasion, Narrative Storytelling, Motivational Interviewing, Constant Component
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 8, 2026, 10:51 PM EDT
Completed No phase listed Observational

Natural History of Systemic and Nasal Mucosal Immunity to Influenza and SARS-CoV-2 in Adults After Vaccination

NCT04794829
View directory record Official record
Conditions
Influenza, COVID-19
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 120 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 8, 2026, 10:51 PM EDT