| Detected | Trial | Change |
|---|---|---|
| 2026-07-22 | NCT07254702 Prospective Safety Cohort Study After VLA1553 Vaccination in Municipalities Selected for… |
overall status: Enrolling by Invitation → Active, Not Recruiting |
| 2026-07-21 | NCT07414524 VLA1553-403 Pregnancy Surveillance Study |
overall status: Not Yet Recruiting → Enrolling by Invitation |
| 2026-07-21 | NCT07414524 VLA1553-403 Pregnancy Surveillance Study |
Trial sites expanded: 0 -> 3 locations |
| 2026-07-19 | NCT04838444 Antibody Persistence And Long Term Safety Of A Chikungunya Virus Vaccine (VLA1553) |
Primary endpoint(s) modified |
| NCT ID | Title | Condition | Status |
|---|---|---|---|
| Phase 3 | |||
| NCT04838444 | Antibody Persistence And Long Term Safety Of A Chikungunya Virus Vaccine (VLA1553) | Chikungunya Virus Infection | Active, Not Recruiting |
| Not specified | |||
| NCT07163845 | Assessment of Chikungunya Virus Seroprevalence Before VLA1553 Vaccination in the… | Chikungunya Virus Infection | Active, Not Recruiting |
| NCT07347002 | Observational Study to Assess the Effectiveness of VLA1553 Vaccine in Preventing… | Chikungunya Virus Infection | Enrolling by Invitation |
| NCT07414524 | VLA1553-403 Pregnancy Surveillance Study | Chikungunya Virus Infection | Enrolling by Invitation |
| NCT07254702 | Prospective Safety Cohort Study After VLA1553 Vaccination in Municipalities Selected for… | Chikungunya Virus Infection | Active, Not Recruiting |