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ClinicalTrials.gov public records Last synced Oct 17, 2026, 8:18 AM EDT

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Showing 1–24 of 98 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Adolescent Vaccination Clear all
Completed Not applicable Interventional Accepts healthy volunteers

State Immunization Information Systems to Improve HPV Vaccination Rates

NCT02993965
View directory record Official record
Conditions
Vaccine, Human Papiloma Virus Vaccine, HPV Vaccine, Immunization, Health Registry, Adolescent Health, Reproductive Health, Preventive Health Services
Interventions
Vaccine Reminder/Recall
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
11 Years to 17 Years
Enrollment
77,716 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 20, 2020 · Synced Oct 17, 2026, 8:18 AM EDT
Terminated Phase 3 Interventional Results available

A Study to Evaluate Efficacy and Safety of Casirivimab+Imdevimab (Monoclonal Antibodies) for Prevention of COVID-19 in Immunocompromised Adolescents and Adults

NCT05074433
View directory record Official record
Conditions
Immunocompromised
Interventions
casirivimab+imdevimab, Placebo
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
66
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Long Beach, California + 48 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Oct 17, 2026, 8:18 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Genetic and Environmental Factors in the Response to Influenza Vaccination

NCT03088904
View directory record Official record
Conditions
Influenza, Healthy
Interventions
FluMist® Quadrivalent, Fluzone® Quadrivalent vaccine
Biological
Lead sponsor
Stanford University
Other
Eligibility
12 Years to 49 Years
Enrollment
109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 13, 2020 · Synced Oct 17, 2026, 8:18 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Hepatitis B Vaccine Genetics: A Substudy of ATN 024 and ATN 025

NCT00142740
View directory record Official record
Conditions
HIV Infection, Hepatitis B
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
12 Years to 25 Years
Enrollment
337 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
4
States / cities
Los Angeles, California • San Franciso, California • Washington D.C., District of Columbia + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Oct 17, 2026, 8:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

An Evaluation of Tailored Messages to Address Parental Questions About HPV Vaccination

NCT03628885
View directory record Official record
Conditions
Human Papilloma Virus Vaccines, Attitude to Health
Interventions
Top Concern Tailored Intervention, All Concerns Tailored Intervention
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older · Female only
Enrollment
908 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 2, 2019 · Synced Oct 17, 2026, 8:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Engaging Clinical Champions to Improve HPV Vaccination

NCT05736718
View directory record Official record
Conditions
Human Papilloma Virus
Interventions
Champion Announcement Approach Training, Traditional Announcement Approach Training
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
9 Years to 12 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Oct 17, 2026, 8:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Video to Promote HPV Vaccination

NCT02196454
View directory record Official record
Conditions
Vaccine Acceptance, Social Acceptance, Acceptance Processes, Health Behavior, Human Papillomavirus
Interventions
Educational Video with Male or Female Narrator
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
11 Years and older
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
2
States / cities
Flourtown, Pennsylvania • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 1, 2018 · Synced Oct 17, 2026, 8:18 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Immune Response After a Booster Dose of a Quadrivalent Meningococcal (MenACYW) Conjugate Vaccine When Administered Alone or Concomitantly With a Licensed Meningococcal Serogroup B Vaccine, in Participants Who Received Primary Quadrivalent Meningococcal Conjugate Vaccine (MCV4)

NCT04084769
View directory record Official record
Conditions
Meningococcal Immunisation (Healthy Volunteers)
Interventions
Meningococcal polysaccharide (serogroups A, C, Y, and W) tetanus toxoid Conjugate vaccine MenACYW Conjugate vaccine, Meningococcal Group B vaccine (Trumenba®), Meningococcal group B vaccine (Bexsero®)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
13 Years to 26 Years
Enrollment
570 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
29
States / cities
Birmingham, Alabama • San Diego, California • Bardstown, Kentucky + 20 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Oct 17, 2026, 8:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A School Health Center Intervention to Increase Adolescent Vaccination

NCT01595542
View directory record Official record
Conditions
Immunization Program, School Health Services, HPV Vaccines
Interventions
Modified Vaccine Consent Form
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
Not listed
Enrollment
3,417 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 13, 2014 · Synced Oct 17, 2026, 8:18 AM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

PREVENT HPV -Related Cancers Trial

NCT07217145
View directory record Official record
Conditions
HPV Vaccination, Uptake Vaccination, Series Completion
Interventions
PREVENT
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
1,455 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 17, 2026, 8:18 AM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Study to Learn About Safety, Tolerability, and Immune Response of a Catch-up Pneumococcal Vaccine in Children and Adolescents

NCT07660198
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
PG4, 20-valent pneumococcal conjugate vaccine (20vPnC)
Biological
Lead sponsor
Pfizer
Industry
Eligibility
15 Months to 17 Years
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
57
States / cities
Birmingham, Alabama • Guntersville, Alabama • Fair Oaks, California + 37 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 17, 2026, 8:18 AM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Long-term Follow-up Study to Evaluate Safety and Immunogenicity of CHIKV VLP Single or Booster Vaccination

NCT06007183
View directory record Official record
Conditions
Chikungunya Virus Infection
Interventions
CHIKV VLP vaccine booster, Placebo booster
Biological
Lead sponsor
Bavarian Nordic
Industry
Eligibility
12 Years and older
Enrollment
715 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
24
States / cities
Mobile, Alabama • Tempe, Arizona • Melbourne, Florida + 20 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 17, 2026, 8:18 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Safety of Pediatric COVID-19 Vaccination

NCT05157191
View directory record Official record
Conditions
Pain, Injection Site Reaction, Adverse Drug Event
Interventions
Observational
Other
Lead sponsor
Duke University
Other
Eligibility
5 Years to 15 Years
Enrollment
299 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
5
States / cities
Oakland, California • Atlanta, Georgia • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 17, 2026, 8:18 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Study of an Investigational Pentavalent Meningococcal ABCYW Vaccine in Adults and Adolescents

NCT06128733
View directory record Official record
Conditions
Meningococcal Immunisation, Healthy Volunteers
Interventions
Pentavalent Meningococcal ABCYW vaccine, MenACYW conjugate vaccine, Meningococcal group B vaccine, Placebo, MenABCYW conjugate vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
10 Years to 25 Years
Enrollment
1,215 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
46
States / cities
Birmingham, Alabama • Guntersville, Alabama • Tempe, Arizona + 36 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 17, 2026, 8:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

HPV Message Testing and Social Media Campaign

NCT03747302
View directory record Official record
Conditions
Vaccine, Human Papilloma Virus
Interventions
Social Media Message about HPV and HPV vaccine, Social media message about risk of electronic cigarettes.
Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
Not listed
Enrollment
1,043 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Sep 14, 2022 · Synced Oct 17, 2026, 8:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

PREVENT HPV-Related Cancers - BootCamp Translation

NCT06290206
View directory record Official record
Conditions
HPV Vaccination, Vaccine; Uptake, Vaccination; Series Completion
Interventions
PREVENT - BCT
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 18, 2025 · Synced Oct 17, 2026, 8:18 AM EDT
Terminated Phase 1 Interventional Results available

A Phase I Study of Quadrivalent Human Papilloma Virus (HPV) (Types 6, 11, 16, 18) Recombinant Vaccine in HIV-Infected and HIV-Negative Pre-Adolescents, Adolescents, and Young Adults

NCT00798265
View directory record Official record
Conditions
Human Immunodeficiency Virus, Human Papillomavirus- 6, 11, 16, 18, Adolescent, Papillomavirus Vaccines
Interventions
Gardasil, Survey
Biological · Behavioral
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
12 Years to 26 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Oct 17, 2026, 8:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Game-Based Intervention to Promote HPV Vaccination

NCT06162676
View directory record Official record
Conditions
HPV Infection, Vaccine-Preventable Diseases
Interventions
HPV game
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
11 Years to 14 Years
Enrollment
133 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated May 20, 2026 · Synced Oct 17, 2026, 8:18 AM EDT
Completed Phase 4 Interventional Results available

Comparison of Three Hepatitis B Vaccination Regimens in HIV-Positive Youth

NCT00106964
View directory record Official record
Conditions
HIV Infection, Hepatitis B
Interventions
Engerix-B 20 mcg, Engerix-B 40 mcg, Twinrix 720 EIA HAV Ag plus 20 mcg HBsAg
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
12 Years to 24 Years
Enrollment
371 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
4
States / cities
Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Oct 17, 2026, 8:18 AM EDT
Completed Not applicable Interventional

Testing the Use of Prompts to Increase Adolescent Immunization Rates

NCT01984125
View directory record Official record
Conditions
Vaccine Preventable Diseases, Meningococcal Disease, Human Papillomavirus, Pertussis, Influenza
Interventions
Point-of-Care Prompt
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
11 Years to 18 Years
Enrollment
7,040 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
22
States / cities
Little Rock, Arkansas • Wilmington, Delaware • Gainesville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated May 2, 2017 · Synced Oct 17, 2026, 8:18 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Community and Physician Perspectives Regarding Male Youth Human Papillomavirus (HPV) Disease and Vaccination

NCT02897232
View directory record Official record
Conditions
Papillomavirus Infections, Health Behavior, Attitude of Health Personnel, Human Papilloma Virus, Male
Interventions
Survey
Other
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
18 Years and older
Enrollment
386 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Shreveport, Louisiana
Source: ClinicalTrials.gov public record
Updated Feb 10, 2021 · Synced Oct 17, 2026, 8:18 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effectiveness, Immunogenicity and Safety of Meningococcal ABCWY Vaccine Administered to Healthy Adolescents

NCT02140762
View directory record Official record
Conditions
Meningococcal Disease
Interventions
MenABCWY, Placebo, MenACWY
Biological · Other
Lead sponsor
Novartis Vaccines
Industry
Eligibility
10 Years to 18 Years
Enrollment
305 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
8
States / cities
Huntsville, Alabama • Jonesboro, Arkansas • Melbourne, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 12, 2018 · Synced Oct 17, 2026, 8:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving HPV Vaccination Rates Among Rural and Native American Adolescents

NCT03801603
View directory record Official record
Conditions
HPV Vaccinations
Interventions
HPV vaccination training and education
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
11 Years to 17 Years
Enrollment
263 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2021 · Synced Oct 17, 2026, 8:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Adolescent Vaccination in Appalachian Kentucky

NCT01838161
View directory record Official record
Conditions
Adolescent Immunization
Interventions
Part II, Part III, Part I
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
11 Years to 70 Years
Enrollment
597 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
2
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated May 7, 2019 · Synced Oct 17, 2026, 8:18 AM EDT