Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 20, 2026, 3:30 PM EDT

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Showing 1–6 of 6 matching trials from the live ClinicalTrials.gov search.
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
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
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 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
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
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