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NCT05508698 · ClinicalTrials.gov registry record · NA

Flu Shot Pre-visit Questionnaire

A NA study, sponsored by Geisinger Clinic.

Completed
Registry status
NA
Development phase
230,962
Enrollment target

NCT05508698: Completed NA study, sponsored by Geisinger Clinic.

NCT05508698 is a NA study that has completed, run by Geisinger Clinic. The registered enrollment target is 230,962 participants, above the 1,400-participant average among 58,714 other NA trials with a reported enrollment target (16397% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05508698, a NA study, has completed, sponsored by Geisinger Clinic.

COMPLETED
Registry status
NA
Development phase
230,962 participants
Enrollment target

Study Summary

The purpose of this study is to assess, prospectively, the effect on flu vaccination rates of a pre-visit questionnaire that asks patients to indicate their preferences for a flu shot. Responses to the questionnaire will also be shown to clinicians via additional text in an existing flu shot alert. The investigators hypothesize that the pre-visit questionnaire will lead to increased flu vaccination compared with standard practices.

Primary Outcome

Patient received a flu vaccine (yes/no) between the day questionnaires became available for the patient's first scheduled flu-shot-eligible appointment and 7 days following the appointment. Questionnaires were available 14 days prior to the appointment date for appointments scheduled at least 14 days in advance. Questionnaires were available on the day the appointment was scheduled for appointments scheduled less than 14 days in advance. Note that control patients did not receive a flu shot que

Interventions

  • BEHAVIORAL Salience
  • BEHAVIORAL Precommitment Nudge

Trial Details

FieldValue
Enrollment Target 230,962 participants
Start Date 2022-08-18
Est. Completion 2023-04-08
Phase NA
Geisinger Clinic

107 total trials

What the finished NCT05508698 record still lists

NCT05508698 is an interventional study that assigns participants to a tested intervention. Its 230,962 participants enrollment target places it among the larger protocols in the corpus, above the 1,400-participant average among 58,714 other NA trials with a reported enrollment target (16397% higher).

The record links to 0 conditions, and to 2 interventions - of which Salience is the first listed.

NCT05508698 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05508698 about?

NCT05508698 is a clinical study titled "Flu Shot Pre-visit Questionnaire". The purpose of this study is to assess, prospectively, the effect on flu vaccination rates of a pre-visit questionnaire that asks patients to indicate their preferences for a flu shot. Responses to the questionnaire will also be shown to clinicians via additional text in an existing flu shot alert. ...

What is the current status of trial NCT05508698?

This trial is currently completed. It is a NA study. The enrollment target is 230,962 participants. The study started on 2022-08-18. Estimated completion is 2023-04-08.

What interventions are being tested in trial NCT05508698?

The interventions under investigation include: Salience (BEHAVIORAL), Precommitment Nudge (BEHAVIORAL).

Who is sponsoring clinical trial NCT05508698?

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 NCT05508698's enrollment target sits among peer trials

230,962 1st of 2000 higher than 2,000 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 NCT05508698, the US trial registry maintained by the National Library of Medicine. NCT05508698 (large enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.