Trusted Messengers: Intervention to Promote COVID-19 Vaccination
Public ClinicalTrials.gov record NCT04981392. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Trusted Messengers: Supporting Physicians in Promoting COVID-19 Vaccination
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The study aims to assess the impact of a multicomponent intervention to support Primary Care Provider (PCP) outreach to promote COVID-19 vaccination among vulnerable patients in and near Worcester, MA via a pragmatic, cluster randomized trial.
Study identification
- NCT ID
- NCT04981392
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 21,844 participants
Conditions and interventions
Conditions
Interventions
- Primary care text message outreach to unvaccinated patients and resources to support PCPs Behavioral
Behavioral
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jun 1, 2022
- Primary completion
- Oct 24, 2023
- Completion
- Oct 24, 2023
- Last update posted
- Nov 25, 2024
2022 – 2023
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| UMass Chan Medical School | Worcester | Massachusetts | 01655 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04981392, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Nov 25, 2024 · Synced Sep 4, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04981392 live on ClinicalTrials.gov.