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NCT05493787 · ClinicalTrials.gov registry record · NA
Nudging Flu Vaccination by Making it Easy for Patients to Schedule a Flu Shot
A NA study, sponsored by Geisinger Clinic.
- Completed
- Registry status
- NA
- Development phase
- 139,503
- Enrollment target
NCT05493787: Completed NA study, sponsored by Geisinger Clinic.
NCT05493787 is a NA study that has completed, run by Geisinger Clinic. The registered enrollment target is 139,503 participants, above the 1,401-participant average among 58,714 other NA trials with a reported enrollment target (9857% higher). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT05493787, a NA study, has completed, sponsored by Geisinger Clinic.
- COMPLETED
- Registry status
- NA
- Development phase
- 139,503 participants
- Enrollment target
Study Summary
The purpose of this study is to test whether messages that make it easy to schedule a flu shot appointment will increase flu shot rates in patients without an upcoming appointment. The study will also test which message versions and message timing are most effective for increasing flu vaccination.
Primary Outcome
Patient self-schedules a flu vaccine appointment through the patient portal. This outcome measures whether the patient schedules an appointment within 4 weeks of the send date, but the appointment can occur more than 4 weeks past the send date.
Interventions
- BEHAVIORAL Reminder
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 139,503 participants |
| Start Date | 2022-11-08 |
| Est. Completion | 2023-01-03 |
| Phase | NA |
What the finished NCT05493787 record still lists
NCT05493787 is an interventional study that assigns participants to a tested intervention. Its 139,503 participants enrollment target places it among the larger protocols in the corpus, above the 1,401-participant average among 58,714 other NA trials with a reported enrollment target (9857% higher).
The record links to 0 conditions, and to 1 intervention - of which Reminder is the first listed.
NCT05493787 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT05493787 about?
NCT05493787 is a clinical study titled "Nudging Flu Vaccination by Making it Easy for Patients to Schedule a Flu Shot". The purpose of this study is to test whether messages that make it easy to schedule a flu shot appointment will increase flu shot rates in patients without an upcoming appointment. The study will also test which message versions and message timing are most effective for increasing flu vaccination.
What is the current status of trial NCT05493787?
This trial is currently completed. It is a NA study. The enrollment target is 139,503 participants. The study started on 2022-11-08. Estimated completion is 2023-01-03.
What interventions are being tested in trial NCT05493787?
The interventions under investigation include: Reminder (BEHAVIORAL).
Who is sponsoring clinical trial NCT05493787?
This trial is sponsored by Geisinger Clinic, which has 107 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT05493787's enrollment target sits among peer trials
139,503 2nd of 2000 the highest of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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