# Duration of Immunity 10 Years After a Dose-response Study With Yellow Fever Vaccine - Complementary Study

> **NCT04416477** · — · UNKNOWN · sponsor: **The Immunobiological Technology Institute (Bio-Manguinhos) / Oswaldo Cruz Foundation (Fiocruz)** · enrollment: 255 (estimated)

## Conditions studied

- Yellow Fever Vaccine

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04416477
- **Lead sponsor:** The Immunobiological Technology Institute (Bio-Manguinhos) / Oswaldo Cruz Foundation (Fiocruz)
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-04-08
- **Primary completion:** 2020-08-31
- **Final completion:** 2020-08-31
- **Target enrollment:** 255 (ESTIMATED)
- **Last updated:** 2020-06-04

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04416477

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04416477, "Duration of Immunity 10 Years After a Dose-response Study With Yellow Fever Vaccine - Complementary Study". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT04416477. Licensed CC0.

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