Track this trial free. DataLookout checks ClinicalTrials.gov daily and emails you which fields changed on NCT07254702 (status, enrollment, completion dates, endpoints, sites) when this record is updated. Free accounts track up to 5 trials.

Track this trial

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

StatusActive, Not Recruiting
PhaseNot specified
Started
View on ClinicalTrials.gov ↗

Record History

See every version on ClinicalTrials.gov ↗

  1. Trial status changed: Enrolling by Invitation → Active, Not Recruiting
    • Study sites: 4 to 3
    • Eligibility criteria shortened, about 5 words
    v3
  2. Trial status: Not Yet Recruiting to Enrolling by Invitationv2 Show 4 more changesShow less
    • Primary completion date: Feb 28, 2026 to Oct 31, 2026
    • Study sites: 0 to 4
    • Study completion date: Jun 30, 2026 to Feb 28, 2027
    • Start date changed from estimate of Nov 25, 2025 to Feb 2, 2026
  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  • Stopped: an ongoing trial was terminated, suspended or withdrawn.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 is an observational study with primary data collection, which will combine a prospective safety cohort study and an SCRI study.
Trial Details
NCT Number NCT07254702
Lead Sponsor Valneva Austria GmbH
Collaborators: Butantan Foundation, Coalition for Epidemic Preparedness Innovations
Conditions
(from sponsor)		 Chikungunya Virus Infection
Related terms Chikungunya Fever
Enrollment 5,000 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov