- Conditions
- Influenza, Respiratory Tract Infections
- Interventions
- Text Fixed R/R Messages with Direct Appointment Schedule Link, Text Pre-Appointment Reminder, Portal Pre-Commitment Prompt with Tailored R/R Messages with Direct Appointment Schedule Link, Portal Fixed R/R Messages with Direct Appointment Schedule Link, Portal Pre-Appointment Reminder
- Behavioral
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 6 Months and older
- Enrollment
- 262,085 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Los Angeles, California
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 25–30
of 30
matching trials from the live ClinicalTrials.gov search.
- Conditions
- COVID-19
- Interventions
- Vaccine Messaging, Vaccine Acceptance Question
- Behavioral
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 919 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 7
- States / cities
- San Francisco, California • Durham, North Carolina • Philadelphia, Pennsylvania + 1 more
- Conditions
- Coronavirus
- Interventions
- Survey research
- Other
- Lead sponsor
- East Carolina University
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 632 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- Greenville, North Carolina
- Conditions
- Human Papillomavirus Vaccines
- Interventions
- Tailored messages, Standard messages
- Behavioral
- Lead sponsor
- Rutgers, The State University of New Jersey
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 70 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- New Brunswick, New Jersey
- 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
- Human Papilloma Virus Infection
- Interventions
- Tailored education and referral, Staff training and patient reminders, Clinic-level reminder systems
- Behavioral
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 9 Years to 70 Years
- Enrollment
- 53,414 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2019
- U.S. locations
- 2
- States / cities
- Alhambra, California • San Fernando, California