# Dengvaxia US Pregnancy Registry

> **NCT04486638** · — · RECRUITING · sponsor: **Sanofi Pasteur, a Sanofi Company** · enrollment: 500 (estimated)

## Conditions studied

- Dengue Virus Infection

## Interventions

- **BIOLOGICAL:** Dengue Tetravalent Vaccine, Live

## Key facts

- **NCT ID:** NCT04486638
- **Lead sponsor:** Sanofi Pasteur, a Sanofi Company
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2023-01-01
- **Primary completion:** 2029-06-30
- **Final completion:** 2029-06-30
- **Target enrollment:** 500 (ESTIMATED)
- **Last updated:** 2026-01-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04486638

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04486638, "Dengvaxia US Pregnancy Registry". Retrieved via AI Analytics 2026-08-12 from https://api.ai-analytics.org/clinical/NCT04486638. Licensed CC0.

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