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Building Cognitive Resilience to Vaccine Misinformation Using AI in Europe

StatusRecruiting
PhaseNot applicable
Started
View on ClinicalTrials.gov ↗
Trial flagged as At Risk
Primary completion moved at least 7 months later Apr 2026 → Dec 2026
See other at-risk trials from London School of Hygiene and Tropical Medicine

Record History

See every version on ClinicalTrials.gov ↗

  1. Primary and study completion pushed from Apr 2026 to Dec 2026 Show 6 more changesShow less
    • Recruitment opened
    • Study sites: 0 to 1
    • Start date changed from estimate of Apr 2026 to Jun 5, 2026
    • Secondary endpoint revised
    • Study description revised
    • Eligibility criteria expanded, about 3 words
  2. Secondary endpoints: details revised at 1 of 1 entryv2
  3. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
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.
Trial Details
NCT Number NCT07551986
Lead Sponsor London School of Hygiene and Tropical Medicine
Conditions
(from sponsor)		 Healthy
Enrollment 5,000 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov