- 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
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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.
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Showing 1–7
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- 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
- Conditions
- Influenza, Human, Orthomyxoviridae Infections, RNA Virus Infections, Virus Disease, Respiratory Tract Infections, Respiratory Tract Disease, Vaccines, Physiological Effects of Drugs
- Interventions
- R/R - Autodialers, R/R - Texting, R/R - mailed postcard
- Behavioral
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 6 Months to 17 Years
- Enrollment
- 70,190 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Immunization Rates
- Interventions
- Collaborative Pop-Based R/R: Phone/Mail Group, Collaborative Pop-Based R/R: Mail-Only Group, Practice-based Recall
- Behavioral
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 19 Months to 5 Years
- Enrollment
- 68,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 2
- States / cities
- Aurora, Colorado • Denver, Colorado
- Conditions
- Reminder Systems
- Interventions
- Vaccine Reminder Recall
- Other
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 11 Years to 17 Years
- Enrollment
- 30,616 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- 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
- Conditions
- Influenza, Respiratory Tract Infections, Vaccines
- Interventions
- 1 MyChart R/R, 2 MyChart R/R, 3 MyChart R/R
- Behavioral
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 4 Months and older
- Enrollment
- 164,205 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Los Angeles, California