Clinical Trial

Prospective Safety Cohort Study After VLA1553 Vaccination in Municipalities Selected for Participation in the VLA1553 Pilot Vaccination Strategy in Brazil

Active, Not Recruiting
View on ClinicalTrials.gov →
Summary
This is an observational study with primary data collection, which will combine a prospective safety cohort study and an SCRI study.
Protocol Amendment History 1 change
critical Trial status changed: Enrolling by Invitation → Active, Not Recruiting 2026-07-22
Trial Details
NCT Number NCT07254702
Lead Sponsor Valneva Austria GmbH
Collaborators: Butantan Foundation, Coalition for Epidemic Preparedness Innovations
Conditions Chikungunya Virus Infection
Enrollment 5,000 participants
Start Date 2026-02-02
Primary Completion 2026-10-31 (estimated)
Study Completion 2027-02-28 (estimated)
Updated on ClinicalTrials.gov 2026-07-21