Clinical Trial

Can Stories Encourage the Elderly to Vaccinate? Combining Viewer-tailored Personal Narrative Videos With Informational Videos to Improve Vaccine Uptake Among Older Adults

Recruiting
View on ClinicalTrials.gov →
Summary
This study will compare the use of informational videos only, personal story videos only, and the combination of both, to see which is most effective in increasing vaccination among older adults.
Protocol Amendment History 4 amendments
This ClinicalTrials.gov record has been amended 4 times since 2025-03-20; most recent amendment 2026-02-12.
Status change: Not Yet Recruiting → Recruiting 2025-09-22
Trial Details
NCT Number NCT06890403
Lead Sponsor Johns Hopkins Bloomberg School of Public Health
Collaborators: Merck Sharp & Dohme LLC
Conditions Vaccination
Enrollment 6,000 participants
Start Date 2025-09-16
Primary Completion 2026-09-24 (estimated)
Study Completion 2027-01 (estimated)
Updated on ClinicalTrials.gov 2026-02-13