Live-attenuated CHIKV vaccine VLA1553 clinical trials
Live-attenuated CHIKV vaccine VLA1553 is named as an intervention in 4 current clinical trials in our Brazil register. None are recruiting at the moment. All registered phases are Observational. The lead sponsor is Valneva Austria GmbH. The most-studied condition is Chikungunya Virus Infection.
Patient leaflets for Live-attenuated CHIKV vaccine VLA1553
The package leaflet is the official guide for patients that comes with every medicine. These links go to the regulators that publish it.
- UKUnited Kingdom: Search MHRA ProductsPatient information leaflets and SmPCs for UK-licensed products.
- USUnited States: Search DailyMedFDA-approved labels, including patient and medication guides.
Leaflets differ between brands and countries; always read the one that comes with your own medicine. This is regulatory information, not medical advice.
Trials by status
Trials by phase
Clinical trials of Live-attenuated CHIKV vaccine VLA1553
4 trialsRegisters list studies that are recruiting, about to open, active but closed to enrolment, or enrolling by invitation. The UK and USA registers cover industry-sponsored studies only. Trial titles and statuses are copied from the registry as published.
Conditions studied with Live-attenuated CHIKV vaccine VLA1553
1 conditionSponsors
lead sponsor per trial| Lead sponsor | Trials |
|---|---|
| Valneva Austria GmbH | 4 |
By country register
| Register | Trials | Recruiting |
|---|---|---|
| Clinical trials in Brazil | 4 | 0 |
A trial with sites in more than one country appears in each of those registers.
Questions about Live-attenuated CHIKV vaccine VLA1553 trials
How many clinical trials are testing Live-attenuated CHIKV vaccine VLA1553?
4 current trials in our Brazil register name Live-attenuated CHIKV vaccine VLA1553 as a drug or biological intervention, as of the registry sync on 13 November 2026. Completed and withdrawn studies are not counted.
Are Live-attenuated CHIKV vaccine VLA1553 trials recruiting patients?
Not at the moment. None of the 4 trials in our registers is recruiting; they are active but closed to enrolment, not yet open, or enrolling by invitation. Only the study team can confirm whether a patient is eligible.
Who sponsors Live-attenuated CHIKV vaccine VLA1553 clinical trials?
The lead sponsor is Valneva Austria GmbH. The number in brackets is how many trials each organisation leads.
Where does this information come from?
Every trial, status, phase and sponsor on this page is copied from public ClinicalTrials.gov records by a daily sync. Nothing here describes how Live-attenuated CHIKV vaccine VLA1553 works or whether it is effective, and it is not medical advice.
How this page is built
Everything on this page is copied from public ClinicalTrials.gov registry records — it is not written from memory, and nothing here describes how Live-attenuated CHIKV vaccine VLA1553 works or whether it is effective. Each trial links to its own record so you can check it yourself.
- ClinicalTrials.gov (U.S. National Library of Medicine) ↗ Trial IDs, titles, intervention names and synonyms, phase, overall status, lead sponsor and conditions for every trial on this page
This page is built automatically: a daily sync job reads the registry records behind our country trial registers, collects every trial that lists Live-attenuated CHIKV vaccine VLA1553 (or a registered synonym) as a drug or biological intervention, and tabulates the registry fields directly. Placebos and generic comparators are excluded. There is no AI drafting and no per-compound editorial pass, and the page has not been clinically reviewed. The “last verified” date above is the timestamp of that sync, not a review date. Our general editorial approach is described in our editorial standards and corrections policy. The ClinicalTrials.gov data on this page was last retrieved on 13 Nov 2026. How every register is built: methodology · fixes we have made: corrections log.