- Conditions
- Covid19
- Interventions
- Philly Vax Sweepstakes
- Behavioral
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 3,827,656 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
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 come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–24
of 70
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Vaccine Hesitancy
- Interventions
- Multilevel Intervention
- Behavioral
- Lead sponsor
- San Diego State University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 238 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 2
- States / cities
- San Diego, California
- 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
- Conditions
- COVID-19
- Interventions
- COVID Booster text messages
- Behavioral
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 2,600,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Influenza, Human
- Interventions
- Reminder
- Behavioral
- Lead sponsor
- Geisinger Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 77,482 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Danville, Pennsylvania
- Conditions
- HPV, Vaccine-Preventable Diseases
- Interventions
- vaccination game
- Behavioral
- Lead sponsor
- Michigan State University
- Other
- Eligibility
- 11 Years to 14 Years
- Enrollment
- 180 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- Chandler, Arizona
- Conditions
- Vaccination, Vaccination Hesitancy, Vaccination Promotion, Psychological Aspects
- Interventions
- General Psych Trait Measure, Vaccine-Specific Psych Trait Measures
- Diagnostic Test · Other
- Lead sponsor
- University of Iowa
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 1,786 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2025
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Vaccine Refusal
- Interventions
- educational intervention
- Behavioral
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- Not listed
- Enrollment
- 510 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Primary Prevention
- Interventions
- Boot Camp Translation, Control
- Behavioral · Other
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 9 Years to 26 Years
- Enrollment
- 2,400 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2024
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Human Papillomavirus Infection
- Interventions
- Communication Intervention, Communication Skills Training, Healthcare Activity, Survey Administration
- Other · Behavioral
- Lead sponsor
- Fred Hutchinson Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 42 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- HPV Vaccination, Uptake Vaccination, Series Completion
- Interventions
- PREVENT
- Behavioral
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 1,455 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Coronavirus
- Interventions
- Increasing Willingness and Uptake of COVID-19 Testing and Vaccination
- Behavioral
- Lead sponsor
- Charles Drew University of Medicine and Science
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Pregnancy, Vaccination
- Interventions
- MyChart nurse message, SMFM video, Visual aid
- Behavioral
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- HPV Vaccine, HPV
- Interventions
- Online survey, Focus groups or Individual Interviews, Interviews
- Behavioral
- Lead sponsor
- H. Lee Moffitt Cancer Center and Research Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 155 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Tampa, Florida
- Conditions
- Influenza, Vaccination, Health Promotion, Health Behavior, Risk Reduction
- Interventions
- Risk reduction, Medical records-based recommendation, Algorithm-based recommendation
- Behavioral
- Lead sponsor
- Geisinger Clinic
- Other
- Eligibility
- 17 Years and older
- Enrollment
- 117,649 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Danville, Pennsylvania
- Conditions
- Vaccine Hesitancy
- Interventions
- Trusted Messenger
- Behavioral
- Lead sponsor
- Dartmouth-Hitchcock Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 2 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- Concord, New Hampshire
- Conditions
- Human Papillomavirus-Related Carcinoma
- Interventions
- Best Practice, Educational Intervention, Health Promotion and Education, Internet-Based Intervention
- Other
- Lead sponsor
- Emory University
- Other
- Eligibility
- 9 Years and older
- Enrollment
- 1,836 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2028
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- COVID-19
- Interventions
- COVID Booster text messages
- Behavioral
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 520,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Influenza, Vaccination
- Interventions
- Messaging, Incentive
- Behavioral
- Lead sponsor
- The University of Texas Health Science Center at Tyler
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 22,584 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Austin, Texas
- Conditions
- Covid19, Vaccination
- Interventions
- Primary care text message outreach to unvaccinated patients and resources to support PCPs
- Behavioral
- Lead sponsor
- University of Massachusetts, Worcester
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 21,844 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Worcester, Massachusetts
- 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
- Conditions
- Influenza Vaccination, Health Promotion, Health Behavior, Risk Reduction
- Interventions
- Letter, Patient portal, SMS
- Behavioral
- Lead sponsor
- Geisinger Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 43,225 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- Danville, Pennsylvania
- Conditions
- Human Papillomavirus Infection
- Interventions
- Enhancing Accessibility to Health Care, Informational Intervention, Interview, Questionnaire Administration
- Other
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 18 Years to 26 Years
- Enrollment
- 1,200 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- COVID-19
- Interventions
- COVID Booster text messages
- Behavioral
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 520,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania