Drugs / VLA1601
last change Feb 2026 re-read 9 days ago

VLA1601

Vaccine

Developed for
Zika virus infectious disease
Investigated by
Valneva Austria GmbH · Emergent BioSolutions

Trials 2

2018201920202021202220232024202520262027
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 1 NCT06334393 Mar 2024 → Apr 2025 Zika virus infectious disease Valneva Austria GmbH Completed No outcome recorded
Phase 1 NCT03425149 Feb → Jun 2018 Zika virus infectious disease Valneva Austria GmbH Completed Met primary

News releases announcing trial results or a regulatory action · 4

DateIssuerRelease
2025-11-04 Valneva Austria GmbH Results Valneva Reports Positive Results for Phase 1 Trial of Second-Generation Zika Vaccine Candidate valneva.com ↗
2019-08-01 Valneva Austria GmbH Results Valneva Reports H1 2019 Results Marked by Strong Operational Performance and Major Corporate Progress valneva.com ↗
The final results confirmed the interim Phase 1 data reported by Valneva and Emergent Biosolutions at the end of 2018.
2018-11-19 Valneva Austria GmbH Results Emergent Biosolutions and Valneva Report Positive Phase 1 Results for Their Vaccine Candidate Against the Zika Virus valneva.com ↗
Emergent BioSolutions Inc. (NYSE: EBS) and Valneva SE (VLA) today announced positive interim results for the Phase 1 study evaluating VLA1601, their vaccine candidate against the Zika virus.
2018-11-19 Emergent BioSolutions Results Emergent BioSolutions and Valneva Report Positive Phase 1 Results for Their Vaccine Candidate Against the Zika Virus emergentbiosolutions.com ↗

Evidence & citations 3 cited values

Every value below carries the sentence it was read from. 2 sources stand behind the page.

FieldValueCited text
Known as VLA1601 ClinicalTrials.gov intervention name — accepted as the source's own label NCT03425149 ↗
1

NCT06334393 ↗

Modality Vaccine “inactivated, whole Zika virus (ZIKV) vaccine candidate” NCT03425149 ↗
Route Intramuscular “Each dose will be administered intramuscularly (i.m.)” NCT03425149 ↗