Study to Demonstrate Consistency of Three Lots of a Live-attenuated Chikungunya Virus Vaccine Candidate in Healthy Adults
Public ClinicalTrials.gov record NCT04786444. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Randomized, Double-Blinded Phase 3 Study to Demonstrate Lot-to-Lot Consistency of Three Lots of a Live-Attenuated Chikungunya Virus Vaccine Candidate (VLA1553) in Healthy Adults Aged 18 to 45 Years
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This was a prospective, randomized, double-blinded, multicenter Phase 3 clinical study investigating three Lots of VLA1553 at the final dose. Overall 409 healthy subjects aged 18 to 45 years were randomized into the study.
Study identification
- NCT ID
- NCT04786444
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 409 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 45 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 22, 2021 (Actual)
- Primary completion
- Jul 22, 2021 (Actual)
- Completion
- Jan 26, 2022 (Actual)
- Last update posted
- Sep 28, 2023
2021 – 2022
United States locations
- U.S. sites
- 12
- U.S. states
- 10
- U.S. cities
- 12
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| AMR Miami | Coral Gables | Florida | 33134 | — |
| AMR Fort Myers | Fort Myers | Florida | 33912 | — |
| St. Johns Center for Clinical Research | Ponte Vedra | Florida | 32081 | — |
| AMR Wichita West | Wichita | Kansas | 67205 | — |
| AMR Lexington | Lexington | Kentucky | 40509 | — |
| Walter Reed Amy Institute of Research | Silver Spring | Maryland | 20910 | — |
| Alliance for Multispecialty Research (AMR) | Kansas City | Missouri | 64114 | — |
| Meridian Clinical Research | Omaha | Nebraska | 68134 | — |
| Wr-Crcn, Llc | Las Vegas | Nevada | 89104 | — |
| Rochester Clinical Research | Rochester | New York | 14609 | — |
| AMR Knoxville | Knoxville | Tennessee | 37919 | — |
| Dynamed Clinical Research | Tomball | Texas | 77375 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04786444, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Sep 28, 2023 · Synced Oct 19, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT04786444 live on ClinicalTrials.gov.