Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 24, 2026, 8:19 AM EDT

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Showing 1–24 of 42 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

txt2protect: Using Text Messaging to Increase HPV Vaccination Among Young Sexual Minority Men

NCT02994108
Conditions
Human Papillomavirus
Interventions
txt2protect, Sexual Health Control
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Human Papillomavirus-Related Carcinoma
Interventions
Best Practice, Educational Intervention, Interview, Questionnaire Administration, Training and Education, Vaccination
Other · Behavioral · Procedure
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1,900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
University Park, Pennsylvania • Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers Results available

Educational Intervention to Minimize Disparities in Humanpapillomavirus Vaccination

NCT02145156
Conditions
HPV Vaccination Status
Interventions
Tailored educational materials, Untailored educational materials, Survey-only
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 75 Years
Enrollment
1,294 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
HPV Vaccination Intent
Interventions
Default-style LLM chatbot, Conversational-style LLM chatbot, Public health informational materials
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
930 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
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
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Innovative Tool to Increase Completion of Human Papillomavirus (HPV) Vaccine Series

NCT01343485
Conditions
GARDASIL Vaccination
Interventions
Computer reminder system
Behavioral
Lead sponsor
Planned Parenthood Federation of America
Other
Eligibility
19 Years to 26 Years · Female only
Enrollment
365 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
9
States / cities
Glendale, Arizona • Arvada, Colorado • Denver, Colorado + 6 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

PREVENT HPV-Related Cancers - BootCamp Translation

NCT06290206
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

HPV Vaccine Communication ECHO for Primary Care Clinics

NCT04587167
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Message Framing Intervention for Increasing Parental Acceptance of Human Papillomavirus Vaccination

NCT03856437
Conditions
Cervical Cancer, Anal Cancer, Penile Cancer
Interventions
HPV vaccination messages
Behavioral
Lead sponsor
University of Maryland, College Park
Other
Eligibility
18 Years to 99 Years
Enrollment
1,170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
College Park, Maryland
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Edtech-HPV: A Community Approach Using Education and Technology to Increase HPV Vaccination

NCT03209713
Conditions
Parents
Interventions
HPV Vaccine Education, Text Messaging Reminder
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
21 Years to 84 Years
Enrollment
672 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
4
States / cities
Chicago, Illinois • Las Vegas, Nevada • New York, New York + 1 more
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Communication Strategies to Increase HPV Vaccinations

NCT06784960
Conditions
Papilloma Viral Infection, Vaccine Hesitancy, Communication
Interventions
HPV Message 1, HPV Message 2, HPV Message 3, Control Message, Provider Strong-Recommendation Toolkit
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years to 45 Years
Enrollment
9,002 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers Results available

HPV Message Testing and Social Media Campaign

NCT03747302
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
Completed Not applicable Interventional Accepts healthy volunteers

PREVENT Pilot HPV - Related Cancers Trial

NCT06738355
Conditions
HPV Vaccination, Uptake Vaccination, Series Completion
Interventions
PREVENT
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
335 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers Results available

Educational Intervention to Improve HPV Vaccination Decision Quality

NCT02797054
Conditions
HPV Vaccination Decision Quality
Interventions
Tailored educational materials, Untailored educational materials, Usual care
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 75 Years
Enrollment
1,205 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Aurora, Colorado
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
Completed Not applicable Interventional Accepts healthy volunteers

Marketability of a Technology-based Intervention to Increase HPV Vaccination

NCT03497936
Conditions
Human Papilloma Virus
Interventions
Women's Stories
Behavioral
Lead sponsor
Real Prevention, LLC
Industry
Eligibility
18 Years to 26 Years · Female only
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
7
States / cities
Irvine, California • Chicago, Illinois • St Louis, Missouri + 3 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Text Reminders to Immunize in a Managed Care Organization

NCT01806714
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
Completed Not applicable Interventional Accepts healthy volunteers

Hashtag HPV: HPV Vaccine Twitter Education Program

NCT05204030
Conditions
Human Papilloma Virus, Vaccine-Preventable Diseases
Interventions
HPV Twitter Education Program - Narrative, HPV Twitter Education Program - Non-Narrative
Other
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Fayetteville, Arkansas
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT03628885
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
Conditions
Human Papilloma Virus, Cervical Cancer, Human Papillomavirus Infection, Oropharyngeal Cancer, Vaginal Cancer, Vulvar Cancer, Anal Cancer, Penile Cancer
Interventions
WoW and BNI
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
9 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
HPV-Related Carcinoma
Interventions
brief negotiated mobile application
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
9 Years to 17 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts