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NCT02243774 · ClinicalTrials.gov registry record · NA

Mail Outreach To Increase Vaccination Acceptance Through Engagement

A NA study of Influenza and Influenza, Human, sponsored by Brigham and Women's Hospital.

Completed
Registry status
NA
Development phase
228,000
Enrollment target
1
Study location

NCT02243774: Completed NA study of Influenza and Influenza, Human, sponsored by Brigham and Women's Hospital.

NCT02243774 is a NA study of Influenza and Influenza, Human that has completed, run by Brigham and Women's Hospital. The registered enrollment target is 228,000 participants, above the 35,342-participant average among 156 other Influenza trials with a reported enrollment target (545% higher). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT02243774, a NA study of Influenza and Influenza, Human, has completed, sponsored by Brigham and Women's Hospital.

COMPLETED
Registry status
NA
Development phase
228,000 participants
Enrollment target
1
Study location

Study Summary

The aim of this study is to determine whether receiving a core letter signed by the Surgeon General or the Director of the National Vaccine Program that provides only information about influenza, or a core letter signed by the Surgeon General with an added basic or enhanced implementation prompt, will increase rates of influenza vaccination among Medicare beneficiaries when compared to a control group.

Primary Outcome

Primary outcome of interest, determined from administrative claims data, will be the number of beneficiaries in each experimental group who receive an influenza vaccination between the date letter is mailed in September 2014 and January 31, 2015

Interventions

  • BEHAVIORAL Core letter signed by Surgeon General
  • BEHAVIORAL Core letter signed by the Director of the National Vaccine Program
  • BEHAVIORAL Core letter signed by Surgeon General + implementation prompt
  • BEHAVIORAL Core letter signed by SG + enhanced implementation prompt

Study Locations (1)

Maryland

  • Centers for Medicare & Medicaid Services - Baltimore

Trial Details

FieldValue
Enrollment Target 228,000 participants
Start Date 2014-09
Est. Completion 2015-09
Phase NA
Brigham and Women's Hospital

937 total trials

What the finished NCT02243774 record still lists

NCT02243774 is an interventional study that assigns participants to a tested intervention. Its 228,000 participants enrollment target places it among the larger protocols in the corpus, above the 35,342-participant average among 156 other Influenza trials with a reported enrollment target (545% higher).

The record links to 3 conditions, with Influenza appearing as the primary indexed condition, and to 4 interventions - of which Core letter signed by Surgeon General is the first listed.

NCT02243774 reports a single indexed study location in Maryland.

Frequently Asked Questions

What is clinical trial NCT02243774 about?

NCT02243774 is a clinical study titled "Mail Outreach To Increase Vaccination Acceptance Through Engagement". The aim of this study is to determine whether receiving a core letter signed by the Surgeon General or the Director of the National Vaccine Program that provides only information about influenza, or a core letter signed by the Surgeon General with an added basic or enhanced implementation prompt, wi...

What is the current status of trial NCT02243774?

This trial is currently completed. It is a NA study. The enrollment target is 228,000 participants. The study started on 2014-09. Estimated completion is 2015-09.

What conditions does trial NCT02243774 study?

This clinical trial studies the following conditions: Influenza, Influenza, Human, Human Flu.

What interventions are being tested in trial NCT02243774?

The interventions under investigation include: Core letter signed by Surgeon General (BEHAVIORAL), Core letter signed by the Director of the National Vaccine Program (BEHAVIORAL), Core letter signed by Surgeon General + implementation prompt (BEHAVIORAL), Core letter signed by SG + enhanced implementation prompt (BEHAVIORAL).

Who is sponsoring clinical trial NCT02243774?

This trial is sponsored by Brigham and Women's Hospital, which has 937 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT02243774 being conducted?

This trial has 1 study location across Maryland. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Influenza

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT02243774's enrollment target sits among peer trials

228,000 4th of 156 higher than 153 of 156 other Influenza trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Influenza 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 NCT02243774, the US trial registry maintained by the National Library of Medicine. NCT02243774 (large enrollment · single site footprint · completed) retrieved and formatted by PlainTrial, see methodology.