- Conditions
- Influenza, Respiratory Tract Infections
- Interventions
- Enhanced texts with Callback by a Person, Enhanced Bidirectional Texts
- Behavioral
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 6 Months and older
- Enrollment
- 246,295 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 2
- 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 1–3
of 3
matching trials from the live ClinicalTrials.gov search.
- 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
- 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