Evaluating a new vaccine for infants against multiple infections

Extended Study on the Safety and Immunogenicity of DTaP-IPV/Hib Pentavalent Vaccine in Chinese 2-month-old Infants: a Randomized, Prospective, Open Clinical Study

Not applicable Interventional Jiangsu Province Centers for Disease Control and Prevention · NCT06605755

This study is testing a new vaccine for healthy 2-month-old infants to see how well it protects them from multiple infections and how long that protection lasts.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment785 (estimated)
Ages19 Months to 22 Months
SexAll
SponsorJiangsu Province Centers for Disease Control and Prevention Research network
Locations1 site (Nanjing, Jiangsu)
Trial IDNCT06605755 on ClinicalTrials.gov

What this trial studies

This study assesses the safety and immune response of the DTaP-IPV/Hib Pentavalent Vaccine in healthy 2-month-old infants in China. It involves two groups receiving different vaccination schedules and aims to monitor immune persistence and the occurrence of pertussis breakthrough infections up to 36 months of age. Participants will be followed from 2 to 19 months, with data collected on their health and vaccination responses. The study is randomized and prospective, ensuring a robust evaluation of the vaccine's effectiveness.

Who should consider this trial

Good fit: Ideal candidates for this study are healthy infants aged 2 months who can receive the DTaP-IPV/Hib pentavalent vaccine.

Not a fit: Patients with coagulation abnormalities or other medical conditions that make participation unsuitable will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance vaccination strategies and improve immunity against serious infections in infants.

How similar studies have performed: Other studies have shown positive outcomes with similar vaccination approaches, indicating potential for success in this trial.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

\- (1)Received 4 doses of DTaP-IPV/Hib pentavalent vaccines (2) Obtained consent from the participant's caregiver and sign an informed consent form

Exclusion Criteria:

-(1) Diagnosed by a physician with a coagulation abnormality (e.g., coagulation factor deficiency, coagulopathy, platelet abnormality) (2) Any other factor considered to make participation in the trial unsuitable.

Where this trial is running

Nanjing, Jiangsu

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 PertussisDiphtheriaTetanusHaemophilus Influenzae Type B InfectionPolio
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.