Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 24, 2026, 2:19 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Adolescent Immunization Clear all
Recruiting Not applicable Interventional

Investigating Facilitator-driven, Multi-level Implementation Strategies in Federally Qualified Health Centers to Improve Provider Recommendation and HPV Vaccination Rates Among Latino/a Adolescents

NCT06598475
View directory record Official record
Conditions
Human Papillomavirus Infection
Interventions
Facilitator-driven provider- and practice-level implementation strategies for influencing provider recommendations and practice-level HPV vaccination rates
Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
11 Years to 17 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Jul 24, 2026, 2:19 AM EDT
Recruiting Not applicable Interventional

PCOM2 - The Physician Communication Intervention, Version 2.0

NCT05336240
View directory record Official record
Conditions
HPV Infection, Preventive Health Services
Interventions
Physician Communication 2 Virtual (PCOM2-virtual), Physician Communication Standard (PCOM-standard)
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
9 Years to 17 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Aurora, Colorado • Wichita, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 25, 2024 · Synced Jul 24, 2026, 2:19 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 1, 2019 · Synced Jul 24, 2026, 2:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

High and Low Resource Interventions to Promote HPV Vaccines

NCT03824093
View directory record Official record
Conditions
Human Papilloma Virus, Tdap - Tetanus, Diphtheria and Acellular Pertussis Vaccination, Meningitis, Meningococcal, Communication, Satisfaction
Interventions
AFIX Only, AFIX+ Provider Communication Training
Behavioral
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Jul 24, 2026, 2:19 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Pediatric Safety and Immunogenicity Study of Cell-Culture Derived and Egg-based Subunit Influenza Vaccines in Healthy Children and Adolescents

NCT00645411
View directory record Official record
Conditions
Influenza
Interventions
Cell culture-derived influenza subunit vaccine (cTIV), Egg derived influenza subunit vaccine (eTIV)
Biological
Lead sponsor
Novartis
Industry
Eligibility
3 Years to 17 Years
Enrollment
3,604 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
16
States / cities
Fayetteville, Arkansas • Downey, California • Bardstown, Kentucky + 12 more
Source: ClinicalTrials.gov public record
Updated Nov 22, 2015 · Synced Jul 24, 2026, 2:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Text Reminders to Immunize in a Managed Care Organization

NCT01806714
View directory record Official record
Conditions
Human Papilloma Virus
Interventions
Text-based reminder for recommended HPV vaccine or WCC, Non-specific text-based reminder (general health tip)
Other
Lead sponsor
University of Rochester
Other
Eligibility
11 Years to 18 Years
Enrollment
3,812 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 25, 2017 · Synced Jul 24, 2026, 2:19 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 12, 2020 · Synced Jul 24, 2026, 2:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventative Misconception Intervention

NCT01049139
View directory record Official record
Conditions
HIV, HIV Infections
Interventions
1-sided messages, 2-sided messages
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
16 Years to 19 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
4
States / cities
San Francisco, California • New Orleans, Louisiana • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2017 · Synced Jul 24, 2026, 2:19 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Immunologic Memory (Supp. of ATN 024)

NCT00142753
View directory record Official record
Conditions
HIV Infections
Interventions
Engerix B, Twinrix for ATN 024, Recombivax, Twinrix for ATN 025
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
12 Years to 25 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
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 27, 2017 · Synced Jul 24, 2026, 2:19 AM EDT
Completed Not applicable Interventional

Engaging Practices and Communities in the Development of Interventions to Promote HPV Vaccine Uptake

NCT04279964
View directory record Official record
Conditions
Primary Prevention
Interventions
Boot Camp Translation, Control
Behavioral · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
9 Years to 26 Years
Enrollment
2,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Jul 24, 2026, 2:19 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effectiveness of Two Hepatitis B Vaccines in HIV-negative Youths

NCT00107042
View directory record Official record
Conditions
Hepatitis B
Interventions
Recombivax, Twinrix
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
12 Years to 17 Years
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
10
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 7 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2017 · Synced Jul 24, 2026, 2:19 AM EDT
Completed Not applicable Interventional

HPV Centralized R/R RCT #2 - New York State

NCT03294551
View directory record Official record
Conditions
Vaccines
Interventions
HPV Vaccine Reminder Recall - Autodialer, HPV Vaccine Reminder Recall - Texting
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
11 Years to 14 Years
Enrollment
37,003 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 26, 2021 · Synced Jul 24, 2026, 2:19 AM EDT
Active, not recruiting No phase listed Observational

Evaluation of Immunologic Response Following COVID-19 Vaccination in Children, Adolescents, and Young Adults With Cancer

NCT05228275
View directory record Official record
Conditions
COVID-19 Infection, Hematopoietic and Lymphatic System Neoplasm, Malignant Solid Neoplasm
Interventions
Biospecimen Collection, Survey Administration
Procedure · Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
6 Months to 37 Years
Enrollment
549 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
72
States / cities
Birmingham, Alabama • Kingman, Arizona • Oakland, California + 50 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Jul 24, 2026, 2:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Increasing Vaccine Uptake Among Adolescents in the Rural South

NCT04999267
View directory record Official record
Conditions
Vaccine Hesitancy
Interventions
INVEST
Other
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Durham, North Carolina • Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Jul 24, 2026, 2:19 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Playing Game to Learn About Children's Vaccine Project

NCT05984849
View directory record Official record
Conditions
HPV, Vaccine-Preventable Diseases
Interventions
vaccination game
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
11 Years to 14 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Chandler, Arizona
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Jul 24, 2026, 2:19 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study With Quadrivalent Recombinant Influenza Vaccine (RIV4) in Participants 9 Through 49 Years of Age.

NCT05513053
View directory record Official record
Conditions
Influenza Immunization
Interventions
Quadrivalent Recombinant influenza vaccine (RIV4) season/2022-2023/NH
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
9 Years to 49 Years
Enrollment
1,308 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
21
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • San Diego, California + 16 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Jul 24, 2026, 2:19 AM EDT
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 19, 2020 · Synced Jul 24, 2026, 2:19 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Vaccine Promotion Package (TweenVax) to Improve Adolescent HPV Vaccination, TweenVax Trial

NCT07104240
View directory record Official record
Conditions
Human Papillomavirus-Related Carcinoma
Interventions
Best Practice, Educational Intervention, Health Promotion and Education, Internet-Based Intervention
Other
Lead sponsor
Emory University
Other
Eligibility
9 Years and older
Enrollment
1,836 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 4, 2025 · Synced Jul 24, 2026, 2:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Efficacy of Reminders to Complete HPV Series

NCT01731496
View directory record Official record
Conditions
Completion of Three Dose Series of HPV, Improvement in Vaccine Intervals Between HPV Doses
Interventions
Telephone reminder, Text Message reminder
Other
Lead sponsor
University of Rochester
Other
Eligibility
10 Years to 21 Years
Enrollment
749 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
3
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 5, 2015 · Synced Jul 24, 2026, 2:19 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Immunologic Response to FluMist vs. Flucelvax

NCT03982069
View directory record Official record
Conditions
Influenza, Human, Immune Response
Interventions
FluMist live attenuated influenza vaccine, Flucelvax inactivated influenza vaccine
Biological
Lead sponsor
Richard Zimmerman MD
Other
Eligibility
4 Years to 21 Years
Enrollment
465 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 13, 2021 · Synced Jul 24, 2026, 2:19 AM EDT
Active, not recruiting Not applicable Interventional

Increasing HPV Vaccination in Pediatric, Adolescent, and Young Adult (PAYA) Cancer Survivors

NCT05665543
View directory record Official record
Conditions
Cancer, HPV Associated Cancer
Interventions
GLAm app
Behavioral
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
9 Years to 26 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced Jul 24, 2026, 2:19 AM EDT
Active, not recruiting Not applicable Interventional

Impact of Adolescent Vaccine Reminder Notices Sent Via Preferred Method of Communication on HPV Vaccination

NCT05148559
View directory record Official record
Conditions
Papillomavirus Vaccines
Interventions
Reminder Sent Via Preferred Method of Communication, Reminder Sent Via Mailed Letter
Behavioral
Lead sponsor
Huong Nguyen, PhD
Other
Eligibility
12 Years to 12 Years
Enrollment
5,451 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Marshfield, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Jul 24, 2026, 2:19 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Facilitating Completion of HPV Vaccination

NCT01600560
View directory record Official record
Conditions
Adolescent Immunizations Among Clinic Population
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
11 Years to 21 Years
Enrollment
223 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Jul 24, 2026, 2:19 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Study of a Novel Multicomponent Meningococcal Group B Vaccine When Given Alone or With Other Licensed Vaccines in Adults, Adolescents, Toddlers and Infants

NCT04825223
View directory record Official record
Conditions
Meningococcal Immunisation, Healthy Volunteers
Interventions
Multicomponent Meningococcal B Vaccine, Meningococcal Group B Vaccine MenB, Meningococcal Group B Vaccine (recombinant deoxyribonucleic acid [rDNA], component, adsorbed), Placebo, Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine MenACYW conjugate vaccine
Drug
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
42 Days to 50 Years
Enrollment
576 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
8
States / cities
Guntersville, Alabama • San Diego, California • Tampa, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced Jul 24, 2026, 2:19 AM EDT