Patient Portal Flu Vaccine Reminders (5)
Public ClinicalTrials.gov record NCT05525494. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Improving Influenza Vaccination Delivery Across a Health System by the Electronic Health Records Patient Portal RCT 5
Study identification
- NCT ID
- NCT05525494
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- University of California, Los Angeles
- Other
- Enrollment
- 262,085 participants
Conditions and interventions
Conditions
Interventions
- Text Fixed R/R Messages with Direct Appointment Schedule Link Behavioral
- Text Pre-Appointment Reminder Behavioral
- Portal Pre-Commitment Prompt with Tailored R/R Messages with Direct Appointment Schedule Link Behavioral
- Portal Fixed R/R Messages with Direct Appointment Schedule Link Behavioral
- Portal Pre-Appointment Reminder Behavioral
Behavioral
Eligibility (public fields only)
- Age range
- 6 Months and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Sep 6, 2022
- Primary completion
- Mar 31, 2023
- Completion
- Mar 31, 2023
- Last update posted
- Aug 6, 2024
2022 – 2023
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of California, Los Angeles | Los Angeles | California | 99095 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05525494, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 6, 2024 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05525494 live on ClinicalTrials.gov.