# Phase 3 Single Arm, Open Study on vYF in Adults

> **NCT07222059** · PHASE3 · COMPLETED · sponsor: **Sanofi Pasteur, a Sanofi Company** · enrollment: 254 (actual)

## Conditions studied

- Yellow Fever

## Interventions

- **BIOLOGICAL:** Yellow fever vaccine (live)

## Key facts

- **NCT ID:** NCT07222059
- **Lead sponsor:** Sanofi Pasteur, a Sanofi Company
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2025-10-23
- **Primary completion:** 2025-12-25
- **Final completion:** 2025-12-25
- **Target enrollment:** 254 (ACTUAL)
- **Last updated:** 2026-02-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07222059

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07222059, "Phase 3 Single Arm, Open Study on vYF in Adults". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT07222059. Licensed CC0.

---

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