- Conditions
- COVID-19, Trust
- Interventions
- Community-led discussion
- Behavioral
- Lead sponsor
- Old Dominion University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 57 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Norfolk, Virginia
Search Results
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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 1–24
of 61
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Health Behavior, Colorectal Cancer, Influenza, COVID-19, Vaccine Hesitancy, Vaccine-Preventable Diseases, Healthcare Patient Acceptance
- Interventions
- Financial incentive for colorectal cancer screening, Financial incentive for flu shot, Financial incentive for COVID-19 shot
- Behavioral
- Lead sponsor
- Tulane University
- Other
- Eligibility
- 45 Years to 75 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- New Orleans, Louisiana
- Conditions
- COVID-19
- Interventions
- Standard implementation webinar and online training, Virtual facilitation
- Behavioral
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Influenza, COVID-19, Vaccination Hesitancy
- Interventions
- Text message influenza vaccine reminders, Text message COVID-19 vaccine reminders, Text message influenza and COVID-19 vaccine reminders
- Behavioral
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 6 Months to 17 Years
- Enrollment
- 66,147 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 4
- States / cities
- Itasca, Illinois • New York, New York • Philadelphia, Pennsylvania
- Conditions
- Covid-19 Vaccine, Vaccine Hesitancy
- Interventions
- Covid-19 vaccine education materials
- Other
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 541 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 7
- States / cities
- San Francisco, California • Durham, North Carolina • Philadelphia, Pennsylvania + 1 more
- Conditions
- Vaccine Hesitancy
- Interventions
- INVEST
- Other
- Lead sponsor
- Duke University
- Other
- Eligibility
- Not listed
- Enrollment
- 2 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 2
- States / cities
- Durham, North Carolina • Columbia, South Carolina
- Conditions
- Human Papilloma Virus Vaccine Hesitancy
- Interventions
- Interviews
- Behavioral
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 9 Years to 75 Years
- Enrollment
- 176 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Vaccine Hesitancy
- Interventions
- Storytelling, Learn More (Active Comparator)
- Behavioral
- Lead sponsor
- University of Massachusetts, Worcester
- Other
- Eligibility
- 18 Years to 105 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Worcester, Massachusetts
- Conditions
- Measles Vaccination
- Interventions
- Survey
- Other
- Lead sponsor
- Albany Medical College
- Other
- Eligibility
- Not listed
- Enrollment
- 99 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Albany, New York
- Conditions
- Vaccine Hesitancy, Communicable Diseases in Children
- Interventions
- Community Event, Educational Material
- Behavioral
- Lead sponsor
- Milton S. Hershey Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 148 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2023
- U.S. locations
- 1
- States / cities
- Hershey, Pennsylvania
- Conditions
- Sickle Cell Disease, COVID-19 Vaccine, Vaccine Hesitancy
- Interventions
- SCD-specific COVID-19 vaccination information (SCVI) video
- Behavioral
- Lead sponsor
- Duke University
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 33 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Vaccine Hesitancy, Vaccine Refusal
- Interventions
- LetsTalkShots (patient-facing CDS), LetsTalkShots (provider-facing CDS), Appointment Reminder Message
- Other
- Lead sponsor
- Johns Hopkins Bloomberg School of Public Health
- Other
- Eligibility
- Not listed
- Enrollment
- 1,200 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Pneumonia, Influenza, Varicella Zoster, Meningitis, COVID-19, Vaccine Hesitancy
- Interventions
- Increasing Willingness and Uptake of Influenza, Pneumonia, Meningitis, HZV, and COVID-19 Vaccination
- Behavioral
- Lead sponsor
- Charles Drew University of Medicine and Science
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 400 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Vaccine Refusal
- Interventions
- Childhood vaccination decision support tool
- Other
- Lead sponsor
- Duke University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 17 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- 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
- COVID-19
- Interventions
- Culturally-Tailored COVID-19 Vaccine Uptake Intervention, Standard Care
- Behavioral
- Lead sponsor
- Nemours Children's Health System
- Other
- Eligibility
- Not listed
- Enrollment
- 5,792 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- Wilmington, Delaware
- Conditions
- COVID-19
- Interventions
- Active Intervention Group
- Behavioral
- Lead sponsor
- Pennington Biomedical Research Center
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Baton Rouge, Louisiana
- Conditions
- Needle Fear, Vaccine Hesitancy
- Interventions
- Thimble Application
- Device
- Lead sponsor
- Bianca Edison
- Other
- Eligibility
- 5 Years to 11 Years
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Covid19, Vaccine Refusal, Communication
- Interventions
- YourCoViDVaxFacts
- Behavioral
- Lead sponsor
- Meharry Medical College
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 300 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- 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
- Influenza, Vaccine Hesitancy
- Interventions
- Text messaging
- Behavioral
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 6 Months and older
- Enrollment
- 228,831 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Covid19, Vaccine Refusal, Vaccine Hesitancy
- Interventions
- COVID-19 Vaccine Education at the Point of COVID-19 Testing
- Behavioral
- Lead sponsor
- Xavier University of Louisiana.
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 377 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- New Orleans, Louisiana
- Conditions
- Vaccine Hesitancy, Structural Barriers, Vaccine Trust
- Interventions
- Qualitative interviews/focus groups
- Behavioral
- Lead sponsor
- East Carolina University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Greenville, North Carolina
- Conditions
- COVID-19, Vaccine Refusal
- Interventions
- Text Message, Motivational Interviewing, Electronic Educational Message with Tailored Questions/Prompts
- Behavioral
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 312 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma