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NCT05509283 · ClinicalTrials.gov registry record · NA

Nudging Flu Vaccination in Patients at Moderately High Risk for Flu and Flu-related Complications

A NA study, sponsored by Geisinger Clinic.

Completed
Registry status
NA
Development phase
40,671
Enrollment target

NCT05509283: Completed NA study, sponsored by Geisinger Clinic.

NCT05509283 is a NA study that has completed, run by Geisinger Clinic. The registered enrollment target is 40,671 participants, above the 1,403-participant average among 58,714 other NA trials with a reported enrollment target (2799% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05509283, a NA study, has completed, sponsored by Geisinger Clinic.

COMPLETED
Registry status
NA
Development phase
40,671 participants
Enrollment target

Study Summary

This study will test the relative efficacy of high-risk messages in increasing flu shot rates in patients at moderately high risk for flu and complications (those in the top 11-20% of risk). It will also examine whether informing patients that their high-risk status was determined by analyzing their medical records or by an artificial intelligence (AI) / machine-learning (ML) algorithm analyzing their medical records will affect the likelihood of receiving a flu vaccine.

Primary Outcome

Received a flu vaccination within within 6 weeks of the patient's study start date

Interventions

  • BEHAVIORAL Risk Reduction

Trial Details

FieldValue
Enrollment Target 40,671 participants
Start Date 2022-09-13
Est. Completion 2022-10-26
Phase NA
Geisinger Clinic

107 total trials

What the finished NCT05509283 record still lists

NCT05509283 is an interventional study that assigns participants to a tested intervention. Its 40,671 participants enrollment target places it among the larger protocols in the corpus, above the 1,403-participant average among 58,714 other NA trials with a reported enrollment target (2799% higher).

The record links to 0 conditions, and to 1 intervention - of which Risk Reduction is the first listed.

NCT05509283 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05509283 about?

NCT05509283 is a clinical study titled "Nudging Flu Vaccination in Patients at Moderately High Risk for Flu and Flu-related Complications". This study will test the relative efficacy of high-risk messages in increasing flu shot rates in patients at moderately high risk for flu and complications (those in the top 11-20% of risk). It will also examine whether informing patients that their high-risk status was determined by analyzing their...

What is the current status of trial NCT05509283?

This trial is currently completed. It is a NA study. The enrollment target is 40,671 participants. The study started on 2022-09-13. Estimated completion is 2022-10-26.

What interventions are being tested in trial NCT05509283?

The interventions under investigation include: Risk Reduction (BEHAVIORAL).

Who is sponsoring clinical trial NCT05509283?

This trial is sponsored by Geisinger Clinic, which has 107 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT05509283's enrollment target sits among peer trials

40,671 7th of 2000 higher than 1,994 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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Source: ClinicalTrials.gov NCT05509283, the US trial registry maintained by the National Library of Medicine. NCT05509283 (large enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.