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Building Cognitive Resilience to Vaccine Misinformation Using AI in Europe

NCT07551986 · Status: NOT_YET_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 5000

Last updated 2026-05-01

No results posted yet for this study

Summary

This multi-country trial evaluates an AI chatbot designed to counter cognitive biases and inoculate parents against vaccine misinformation, embedded within a large survey across five European countries (n=5,000). Scaled from a 2026 single-country study, outcomes compare behavioural and attitudinal responses against standard-of-care materials (e.g., UNICEF infographics) to identify effective, scalable misinformation interventions.

Conditions

  • Healthy

Interventions

BEHAVIORAL

AI-driven chatbot

A tailored AI-driven chatbot designed to counter vaccine misinformation.

BEHAVIORAL

Social media infographic

A UNICEF social media infographic with three "myth vs. fact" statements on vaccination.

Sponsors & Collaborators

  • London School of Hygiene and Tropical Medicine

    lead OTHER

Principal Investigators

  • Leesa Lin, PhD · London School of Hygiene and Tropical Medicine

Study Design

Allocation
RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
20 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2026-04-30
Primary Completion
2026-04-30
Completion
2026-04-30

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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 NCT07551986 on ClinicalTrials.gov