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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Study of Tdap Vaccinations for Plasma Donors

NCT05662852
View directory record Official record
Conditions
Tetanus, Diphtheria and Acellular Pertussis Vaccination
Interventions
Tdap
Biological
Lead sponsor
ABO Holdings, Inc.
Industry
Eligibility
18 Years to 63 Years
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Glassboro, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 21, 2026, 10:58 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety Study of GSK Biologicals' Meningococcal Vaccine GSK 134612 Versus Menactra® in Healthy Adolescents/Adults

NCT01165242
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
Meningococcal vaccine GSK 134612, Menactra®
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
10 Years to 25 Years
Enrollment
1,013 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
24
States / cities
Chandler, Arizona • Paramount, California • Sacramento, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2018 · Synced Sep 21, 2026, 10:58 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Long-term Antibody Persistence of GSK Biologicals' Meningococcal Vaccine GSK134612 in Healthy Toddlers

NCT00718666
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
Meningococcal vaccine GSK134612
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
2 Years to 6 Years
Enrollment
387 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
14
States / cities
Benton, Arkansas • Little Rock, Arkansas • Antioch, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2019 · Synced Sep 21, 2026, 10:58 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Combination Immunotherapy of GM.CD40L Vaccine With CCL21 in Lung Cancer

NCT01433172
View directory record Official record
Conditions
Lung Cancer, Adenocarcinoma
Interventions
Phase I - GM.CD40L.CCL21 Vaccinations, Phase II - GM.CD40L cells Vaccinations, Phase II - GM.CD40L.CCL21 Vaccinations
Biological
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Aug 5, 2019 · Synced Sep 21, 2026, 10:58 PM EDT
Terminated Phase 2 Interventional Results available

Vaccine Therapy in Treating Patients With Chronic Phase Chronic Myelogenous Leukemia

NCT00428077
View directory record Official record
Conditions
Leukemia
Interventions
bcr-abl peptide vaccine, reverse transcriptase-polymerase chain reaction
Biological · Genetic
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 1, 2011 · Synced Sep 21, 2026, 10:58 PM EDT
Completed Phase 2Phase 3 Interventional

A Study to Evaluate the Safety and Immunogenicity of an (Omicron Subvariant) COVID-19 Vaccine Booster Dose in Previously Vaccinated Participants and Unvaccinated Participants.

NCT05975060
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 29, 2024 · Synced Sep 21, 2026, 10:58 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate Safety and Immunogenicity of mRNA-1273 Vaccine to Prevent COVID-19 in Adult Organ Transplant Recipients and in Healthy Adult Participants

NCT04860297
View directory record Official record
Conditions
SARS-CoV-2
Interventions
mRNA-1273
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
234 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
15
States / cities
Mesa, Arizona • San Diego, California • New Haven, Connecticut + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2024 · Synced Sep 21, 2026, 10:58 PM EDT
Completed Phase 1 Interventional

A Phase I Clinical Trial of an HPV Therapeutic Vaccine

NCT01653249
View directory record Official record
Conditions
Human Papillomavirus
Interventions
Vaccine consisting of four HPV-16 E6 peptides in combination with Candin®
Biological
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Oct 11, 2016 · Synced Sep 21, 2026, 10:58 PM EDT
Completed Phase 1 Interventional

Fourth Dose of Human Papillomavirus (HPV) DNA Plasmid (VGX-3100) + EP in Adult Females Previously Vaccinated With Three Doses of VGX-3100

NCT01188850
View directory record Official record
Conditions
Human Papillomavirus (HPV)
Interventions
VGX-3100
Biological
Lead sponsor
Inovio Pharmaceuticals
Industry
Eligibility
18 Years to 46 Years · Female only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Winston-Salem, North Carolina • Hopwood, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 9, 2018 · Synced Sep 21, 2026, 10:58 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Safety Surveillance of MenACWY-CRM Vaccine in Children

NCT01452438
View directory record Official record
Conditions
Meningococcal Disease
Interventions
MenACWY-CRM
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
2 Years to 10 Years
Enrollment
393 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Aug 5, 2015 · Synced Sep 21, 2026, 10:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Community Pharmacists Vaccinate Against Cancer

NCT04072159
View directory record Official record
Conditions
Human Papillomavirus Vaccines
Interventions
Community Pharmacists Vaccinating Against Cancer
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 85 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Mesa, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Sep 21, 2026, 10:58 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity Study of Revaccination With SCB-1019T in Healthy Adults

NCT06843317
View directory record Official record
Conditions
RSV Infection
Interventions
Candidate vaccine, SCB-1019T, AREXVY, placebo
Biological · Other
Lead sponsor
Clover Biopharmaceuticals USA, LLC
Industry
Eligibility
60 Years to 85 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
5
States / cities
Phoenix, Arizona • Fort Myers, Florida • Lexington, Kentucky + 2 more
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Sep 21, 2026, 10:58 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cytomegalovirus Cell-Mediated Immunity

NCT00815165
View directory record Official record
Conditions
Cytomegalovirus Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years to 17 Years · Female only
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
2
States / cities
Cincinnati, Ohio • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 8, 2013 · Synced Sep 21, 2026, 10:58 PM EDT
Completed Not applicable Interventional Results available

Does Framing and Humor Improve the Effectiveness of Messages About COVID-19 Vaccine

NCT05085613
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 20, 2023 · Synced Sep 21, 2026, 10:58 PM EDT
Completed Phase 4 Interventional Results available

Apnea in Hospitalized Preterm Infants Following the Administration of Routine Childhood Vaccines

NCT03530124
View directory record Official record
Conditions
Apnea, Apnea Neonatal, Prematurity
Interventions
PCV13, DTaP, HBV, IPV, Hib
Biological
Lead sponsor
Duke University
Other
Eligibility
6 Weeks and older
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
4
States / cities
Atlanta, Georgia • Chapel Hill, North Carolina • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 13, 2024 · Synced Sep 21, 2026, 10:58 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

HPV DNA Vaccine Via Electroporation for HPV16 Positive Cervical Neoplasia

NCT04131413
View directory record Official record
Conditions
Human Papillomavirus Type 16, Cervical Intraepithelial Neoplasia Grade II, Cervical Intraepithelial Neoplasia, Grade III
Interventions
pNGVL4aCRTE6E7L2
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
19 Years and older · Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2029
U.S. locations
2
States / cities
Birmingham, Alabama • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 21, 2026, 10:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

COVIDVaxStories: Randomized Trial to Reduce COVID-19 Vaccine Hesitancy in Populations of Color

NCT06297876
View directory record Official record
Conditions
Vaccine Hesitancy
Interventions
Storytelling, Learn More (Active Comparator)
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 105 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 3, 2024 · Synced Sep 21, 2026, 10:58 PM EDT
Withdrawn Phase 2 Interventional

Utilization of Hepatitis B Virus NAT+ Donors for Hepatitis B Vaccinated Lung Transplant Candidates

NCT05404919
View directory record Official record
Conditions
Lung Transplant, Hepatitis B
Interventions
Hepatitis B Immune Globulin and entecavir, tenofovir disoproxil, or tenofovir alafenamide
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 5, 2024 · Synced Sep 21, 2026, 10:58 PM EDT
Completed Phase 1Phase 2 Interventional

Pneumococcal Adult-dose Ranging Immunization Study

NCT00169234
View directory record Official record
Conditions
Pneumonia
Interventions
PCV7, Prevnar®, Pneumovax 23
Biological
Lead sponsor
Kaiser Permanente
Other
Eligibility
70 Years to 79 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Sep 21, 2026, 10:58 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Post-marketing Study to Assess the Safety of CERVARIX When Used in the United States and in Canada

NCT01290393
View directory record Official record
Conditions
Infections, Papillomavirus
Interventions
Data collection
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
15 Years to 25 Years · Female only
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 25, 2018 · Synced Sep 21, 2026, 10:58 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 21, 2026, 10:58 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Safety/Immunogenicity Hantaan Virus DNA Vaccine and Puumala Virus DNA Vaccine, For Prevention of HFRS

NCT04333459
View directory record Official record
Conditions
Hantaan Virus Nephropathy, Puumala Virus Nephropathy
Interventions
Hantaan DNA Vaccine/Puumala DNA Vaccine
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 49 Years
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
2
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Sep 21, 2026, 10:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing COVID-19 Vaccine Hesitancy Among Hispanic Parents

NCT06036134
View directory record Official record
Conditions
Vaccine-Preventable Diseases, COVID-19 Pandemic, Health-Related Behavior, Health Knowledge, Attitudes, Practice, Narration
Interventions
Baseline surveys, Digital Storytelling Intervention, Information Control Intervention
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Sep 21, 2026, 10:58 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Expanded Dryvax Dilution Study in Previously Vaccinated Adults

NCT00050505
View directory record Official record
Conditions
Smallpox
Interventions
Live vaccinia virus vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
32 Years to 70 Years
Enrollment
927 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2003
U.S. locations
7
States / cities
Oakland, California • Stanford, California • Torrance, California + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2014 · Synced Sep 21, 2026, 10:58 PM EDT