# A Multicenter Study to Evaluate Safety and Immunogenicity of a Live-attenuated Chikungunya Vaccine in Adolescents

> **NCT04650399** · PHASE3 · COMPLETED · sponsor: **Butantan Institute** · enrollment: 750 (actual)

## Conditions studied

- Chikungunya

## Interventions

- **BIOLOGICAL:** Active
- **BIOLOGICAL:** Placebo

## Key facts

- **NCT ID:** NCT04650399
- **Lead sponsor:** Butantan Institute
- **Sponsor class:** OTHER_GOV
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2022-01-31
- **Primary completion:** 2023-02-13
- **Final completion:** 2024-02-15
- **Target enrollment:** 750 (ACTUAL)
- **Last updated:** 2024-05-03

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04650399

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04650399, "A Multicenter Study to Evaluate Safety and Immunogenicity of a Live-attenuated Chikungunya Vaccine in Adolescents". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04650399. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*