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 Sep 17, 2026, 4:47 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
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 1, 2017 · Synced Sep 17, 2026, 4:47 AM EDT
Completed Not applicable Interventional

Text Message Vaccine Reminders for Adolescents With Chronic Medical Conditions

NCT02231957
View directory record Official record
Conditions
Vaccination
Interventions
educational text message reminders, conventional text message reminders
Other
Lead sponsor
Columbia University
Other
Eligibility
11 Years and older
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 29, 2017 · Synced Sep 17, 2026, 4:47 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 Sep 17, 2026, 4:47 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 Sep 17, 2026, 4:47 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 8, 2026 · Synced Sep 17, 2026, 4:47 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Human Papillomavirus (HPV) Vaccination Acceptance by African-American Parents: Identifying Psychosocial Barriers

NCT00680147
View directory record Official record
Conditions
HPV
Interventions
brief informational intervention to promote HPV vaccine acceptance
Behavioral
Lead sponsor
Syracuse University
Other
Eligibility
11 Years and older
Enrollment
614 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated May 20, 2015 · Synced Sep 17, 2026, 4:47 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 Sep 17, 2026, 4:47 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 30, 2026 · Synced Sep 17, 2026, 4:47 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 12, 2014 · Synced Sep 17, 2026, 4:47 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Developing a Self-persuasion Intervention Promoting Adolescent HPV Vaccination: Feasibility Trial

NCT02535845
View directory record Official record
Conditions
Human Papillomavirus Vaccines
Interventions
Project Voice, HPV Informational Video
Behavioral
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
11 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 29, 2024 · Synced Sep 17, 2026, 4:47 AM EDT
Completed Not applicable Interventional

Adolescent Vaccination in the Medical Home: Established and Innovative Strategies

NCT01577979
View directory record Official record
Conditions
Immunization Rate
Interventions
Text Message Reminder/Recall, Parent Preference
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
11 Years to 17 Years
Enrollment
34,581 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 25, 2015 · Synced Sep 17, 2026, 4:47 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Clinical Decision Support Tools to Increase Human Papillomavirus (HPV) Vaccination in Adolescents in Pharmacies

NCT05831540
View directory record Official record
Conditions
Human Papillomavirus-Related Carcinoma
Interventions
Discussion, Educational Activity, Healthcare Activity, Survey Administration
Other · Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 18, 2024 · Synced Sep 17, 2026, 4:47 AM EDT
Completed Phase 3 Interventional Results available

Study to Assess the Effect of Tezepelumab on the Immune Response to Influenza Vaccination in Participants With Asthma

NCT05062759
View directory record Official record
Conditions
Moderate to Severe Asthma
Interventions
Tezepelumab, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
12 Years to 21 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
15
States / cities
Bakersfield, California • Huntington Beach, California • Miami, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2023 · Synced Sep 17, 2026, 4:47 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 6, 2026 · Synced Sep 17, 2026, 4:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

HPV Vaccine Communication ECHO for Primary Care Clinics

NCT04587167
View directory record Official record
Conditions
Human Papillomavirus Vaccines, Adolescent Health Services
Interventions
Project ECHO, Announcement Approach Training, Recall notices
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 17, 2026, 4:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

PreTeenVax Evaluation

NCT03186430
View directory record Official record
Conditions
Human Papilloma Virus
Interventions
Comprehensive Vaccine Promotion Package
Behavioral
Lead sponsor
Emory University
Other
Eligibility
11 Years to 12 Years
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
6
States / cities
Canton, Georgia • Duluth, Georgia • Lawrenceville, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2018 · Synced Sep 17, 2026, 4:47 AM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Study of the Safety and Immunogenicity of Catch-up Vaccination With a 21-valent Pneumococcal Conjugate Vaccine (PCV21) in Healthy Infants, Toddlers, Children, and Adolescents

NCT06838000
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
PCV21, 20vPCV
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
7 Months to 17 Years
Enrollment
1,268 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
17
States / cities
Paramount, California • Doral, Florida • Hialeah, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2025 · Synced Sep 17, 2026, 4:47 AM EDT
Completed Not applicable Interventional

Increasing Human Papillomavirus Vaccine Uptake in Low-Income, Ethnic Minority Adolescents in Los Angeles County

NCT02067507
View directory record Official record
Conditions
Human Papilloma Virus Infection
Interventions
Tailored education and referral, Staff training and patient reminders, Clinic-level reminder systems
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
9 Years to 70 Years
Enrollment
53,414 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
2
States / cities
Alhambra, California • San Fernando, California
Source: ClinicalTrials.gov public record
Updated Oct 24, 2019 · Synced Sep 17, 2026, 4:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Adolescent Vaccination Kiosk Project

NCT01622608
View directory record Official record
Conditions
Adolescent Vaccination Status
Interventions
Vaccine Information Kiosk
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
3
States / cities
Centennial, Colorado • Thornton, Colorado • Wheat Ridge, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 23, 2013 · Synced Sep 17, 2026, 4:47 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 19, 2025 · Synced Sep 17, 2026, 4:47 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 Sep 1, 2026 · Synced Sep 17, 2026, 4:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

4 Pillars Toolkit for Adolescent Vaccination

NCT02165722
View directory record Official record
Conditions
Adolescent HPV Vaccine, Adolescent Influenza Vaccine
Interventions
4 Pillars Toolkit
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
11 Years to 17 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 27, 2018 · Synced Sep 17, 2026, 4:47 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 Sep 17, 2026, 4:47 AM EDT
Not listed Not applicable Interventional

COVID-19 Booster Dose Reminder/Recall for Adolescents

NCT05571657
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 12, 2022 · Synced Sep 17, 2026, 4:47 AM EDT