Monitoring the safety of a combined vaccine in infants in South Korea

Post-marketing Surveillance Study for the Safety of Hexaxim®, a DTaP-IPV- HB-PRP~T Vaccine Administered to Infants From 2 Months of Age in Republic of Korea

Observational Sanofi · NCT06793826

This study is testing the safety of a combined vaccine for infants in South Korea to see if it causes any side effects after they receive it.

Quick facts

Study typeObservational
Enrollment690 (estimated)
Ages2 Months to 6 Months
SexAll
SponsorSanofi Industry-sponsored
Locations2 sites (Cheonan and 1 other locations)
Trial IDNCT06793826 on ClinicalTrials.gov

What this trial studies

This observational study aims to assess the safety of the DTaP-IPV-Hep B-PRP-T vaccine, known as Hexaxim, in infants aged 2 months and older. Participants will be monitored for adverse events following vaccination under routine clinical practice. The study will track the incidence of any adverse reactions for a duration of up to 43 days post-vaccination. The findings will help ensure the vaccine's safety profile in the target population.

Who should consider this trial

Good fit: Ideal candidates for this study are infants aged 2 months or older who are receiving the Hexaxim vaccine.

Not a fit: Patients who have previously participated in this study or are receiving off-label vaccinations will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance the understanding of the vaccine's safety, leading to improved vaccination practices and confidence among parents.

How similar studies have performed: Other post-marketing surveillance studies have successfully demonstrated the safety of vaccines, making this approach well-established.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* An infant aged 2 months or more on the day of enrollment
* Infant whose parent or legal representative has signed and dated the ICF
* Receipt of 1 dose of Hexaxim on the day of enrollment according to the approved local product label (regardless of vaccinated dose)

Exclusion Criteria:

* Deviational use (off-label vaccination) from the approval local product label of Hexaxim
* Previous history of enrollment in this study
* Participation at the time of study enrollment (or in the 4 weeks preceding the enrollment) or planned participation during the present study period in a clinical study investigating a vaccine, drug, medical device or medical procedure

Where this trial is running

Cheonan and 1 other locations

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 Hepatitis BHaemophilus Influenzae Type b Immunisation
Last reviewed 2026-06-10 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.