# Patient Portal Reminder/Recall for Influenza Vaccination in a Health System- UCLA Portal R/R Influenza RCT 3

> **NCT04533685** · NA · COMPLETED · sponsor: **University of California, Los Angeles** · enrollment: 213773 (actual)

## Conditions studied

- Influenza
- Respiratory Tract Infections

## Interventions

- **BEHAVIORAL:** Portal Reminders for Influenza Vaccination: Direct scheduling link
- **BEHAVIORAL:** Portal Reminders for Influenza Vaccination: No direct scheduling link
- **BEHAVIORAL:** Pre-Commitment Prompt
- **BEHAVIORAL:** Pre-Appointment flu vaccine reminders

## Key facts

- **NCT ID:** NCT04533685
- **Lead sponsor:** University of California, Los Angeles
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-09-01
- **Primary completion:** 2021-04-01
- **Final completion:** 2021-04-01
- **Target enrollment:** 213773 (ACTUAL)
- **Last updated:** 2022-10-25

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04533685

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04533685, "Patient Portal Reminder/Recall for Influenza Vaccination in a Health System- UCLA Portal R/R Influenza RCT 3". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04533685. Licensed CC0.

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