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Nationwide Utilization of Danish Government Electronic Letter System for Increasing InFLUenza Vaccine Uptake

NCT05542004 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 964870

Last updated 2024-10-10

No results posted yet for this study

Summary

In randomized clinical trials and observational studies, influenza vaccination has been shown to be effective in reducing influenza-related illness, hospitalizations, cardiovascular events, and mortality in select populations. However, the real-world effectiveness of influenza vaccination is limited by its uptake. This study will investigate investigate whether digital behavioral nudges delivered via the official, mandatory Danish electronic letter system can increase influenza vaccine uptake among eligible influenza vaccination candidates.

Conditions

Interventions

BEHAVIORAL

Behavioral Economic Principles

The control arm will receive no letter to reflect the background vaccination uptake. Intervention arms will test the effects of different letters developed using behavioral economic principles.

Sponsors & Collaborators

  • Statens Serum Institut

    collaborator OTHER

  • Sanofi Pasteur, a Sanofi Company

    collaborator INDUSTRY

  • Tor Biering-Sørensen

    lead OTHER

Principal Investigators

  • Tor Biering-Sørensen, MD, PhD, MPH · Research Director

Study Design

Allocation
RANDOMIZED
Purpose
OTHER
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
65 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2022-09-16
Primary Completion
2023-01-01
Completion
2023-05-31

Countries

  • Denmark

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05542004 on ClinicalTrials.gov