- Conditions
- Health Care Utilization, Vaccine Preventable Disease
- Interventions
- Low tailored message, No message, Low tailored message plus COVID-19 vaccine message
- Other
- Lead sponsor
- Children's Hospital Medical Center, Cincinnati
- Other
- Eligibility
- 12 Years to 17 Years
- Enrollment
- 1,235 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Cincinnati, Ohio
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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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- 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
- Misinformation, Vaccine Hesitancy, Anxiety, Depression, COVID-19
- Interventions
- Attitudinal inoculation, Cognitive-behavioral therapy-informed intervention, Conventional public health messaging
- Behavioral
- Lead sponsor
- City University of New York, School of Public Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 1,419 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Influenza, Human
- Interventions
- Flu shot text messages
- Behavioral
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 74,811 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2021
- U.S. locations
- 2
- States / cities
- Danville, Pennsylvania • Philadelphia, Pennsylvania
- Conditions
- Covid19, Vaccines
- Interventions
- Self-benefit, Prosocial-benefit, Early access, Fresh start
- Behavioral
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 250,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Westwood, Los Angeles, California