Registry for pregnant women vaccinated with Dengvaxia

Dengvaxia US Pregnancy Registry: A Surveillance Study to Assess the Safety of Dengvaxia Among Exposed Pregnant Women and Their Offsprings (DNG00044)

Observational Sanofi · NCT04486638

This study is tracking the health of pregnant women and their babies who received the Dengvaxia vaccine to see how it affects their pregnancies and infant development.

Quick facts

Study typeObservational
Enrollment500 (estimated)
SexAll
SponsorSanofi Industry-sponsored
Locations1 site (San Juan)
Trial IDNCT04486638 on ClinicalTrials.gov

What this trial studies

This observational study aims to evaluate the outcomes of pregnancies and infants among women who received the Dengvaxia vaccine during pregnancy. Pregnant women will be monitored throughout their pregnancy, and their infants will be followed for up to one year after birth. The study will collect data on maternal health, obstetrical outcomes, and neonatal development to assess any potential impacts of the vaccine. The registry will include cases reported from the US and its territories.

Who should consider this trial

Good fit: Ideal candidates for this study are pregnant women of any age who have received the Dengvaxia vaccine and reside in the US or its territories.

Not a fit: Patients who have not been vaccinated with Dengvaxia during pregnancy or those who do not reside in the US or its territories may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide valuable insights into the safety and effects of the Dengvaxia vaccine during pregnancy, informing future vaccination guidelines.

How similar studies have performed: While there may be limited data on similar registries, the approach of monitoring vaccine exposure during pregnancy is increasingly recognized as important for maternal and infant health.

Eligibility criteria

Show full inclusion / exclusion criteria
The eligible population will include pregnant women of any age and their offspring(s) residing in the US and its Territories whose Dengvaxia pregnancy exposure is reported to the pregnancy registry.

Reports of Dengvaxia pregnancy exposure must contain the following information to be included in the registry:

* Sufficient evidence to confirm the case qualifies as "exposed during pregnancy";
* Vaccine name (brand or generic) is provided (i.e., including manufacturer unknown exposures).

The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.

Where this trial is running

San Juan

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Dengue Virus Infection
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.