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N/A N=19,554 Randomized Double-blind Health Services Research

COVID-19 Vaccine Text Outreach

Covid19

Enrolled (actual)
19,554
Serious AEs
Results posted
Mar 2023
Primary outcome: Primary: Dose 1 Completion — 14; 243; 253 Participants

Study Design & Population

Study type
Interventional
Phase
N/A
Interventions
Opt-In (Call-Back) (Behavioral); Opt-in (In-Bound) (Behavioral); Standard Message (Behavioral); Clinician Endorsement (Behavioral); Scarcity (Behavioral); Opt-Out Framing (Behavioral); Phone Call (Behavioral)
Age
Pediatric, Adult, Older Adult · 16+ yrs
Sex
All
Sponsor
University of Pennsylvania
Primary completion
Jun 2021

Outcome Measures

OutcomeResultp-value
PRIMARY
Dose 1 Completion
16; 315; 342
SECONDARY
Dose 1 Completion
16; 315; 342
SECONDARY
Vaccine Completion
13; 222; 231

Summary

This project aims to evaluate different approaches to increase COVID-19 vaccine uptake among at-risk patients at Penn Medicine in an equitable and systematic manner through a centralized outreach program. The investigators will evaluate different text-based scheduling and messaging approaches informed by behavioral science to increase uptake among eligible patients, including the use of clinician endorsement, opt-out framing, and scarcity.

Eligibility Criteria

Inclusion Criteria

  • patients of Penn Medicine aged 18+ who reside in Philadelphia and who have had at least 1 visit in the past 5 years with a Penn Medicine primary care provider (PCP)

Exclusion Criteria

  • Patients who have completed any dose of the vaccine at Penn Medicine, are currently scheduled to receive the vaccine, have externally documented vaccination records, or have previously received text-message based vaccine outreach.
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT04834726). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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