Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 25, 2026, 7:05 AM EDT

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Showing 1–9 of 9 matching trials from the live ClinicalTrials.gov search.
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Conditions
Vaccination, Immunization
Interventions
The STOP-HPV Trial 6: Maintenance
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
11 Years to 17 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Itasca, Illinois
Recruiting Not applicable Interventional

The STOP-HPV Scale Up Study

NCT06831383
Conditions
Human Papilloma Virus Vaccine
Interventions
STOP-HPV-Online, STOP-HPV-LC
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
9 Years to 17 Years
Enrollment
100,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Alexandria, Virginia
Completed Not applicable Interventional Accepts healthy volunteers

The STOP-HPV Trial 2: Performance Feedback Intervention

NCT03599570
Conditions
Immunization, Vaccination
Interventions
STOP-HPV performance feedback intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
11 Years to 17 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Itasca, Illinois
Not listed Not applicable Interventional Accepts healthy volunteers

The STOP-HPV Trial 3: Prompts Intervention

NCT03599583
Conditions
Immunization, Vaccination
Interventions
STOP-HPV prompts intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
11 Years to 17 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Itasca, Illinois
Completed Not applicable Interventional Accepts healthy volunteers Results available

The STOP-HPV Trial 1: Communication Intervention

NCT03599557
Conditions
Immunization, Vaccination
Interventions
STOP-HPV communication intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
11 Years to 17 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Itasca, Illinois
Not listed Not applicable Interventional Accepts healthy volunteers

The STOP-HPV Trial 4: Bundle Intervention

NCT03609242
Conditions
Immunization, Vaccination
Interventions
STOP-HPV bundle intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
11 Years to 17 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Itasca, Illinois
Conditions
Vaccine Refusal, Vaccine-Preventable Diseases, Physician-Patient Relations
Interventions
Immersive resident education, Standardized patient (SP) encounter
Other
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Royal Oak, Michigan
Recruiting Not applicable Interventional Accepts healthy volunteers

Stories to Prevent (StoP) HPV Cancers

NCT06808776
Conditions
Human Papillomavirus Vaccination, Emotions
Interventions
Cancer survivor narrative, Healthy eating tips
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Hershey, Pennsylvania
Not listed Not applicable Interventional Accepts healthy volunteers

The STOP-HPV Trial 5: Single Arm Evaluation of the Bundle

NCT03609320
Conditions
Immunization, Vaccination
Interventions
The STOP-HPV Trial 5: Bundle Intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
11 Years to 17 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Itasca, Illinois