Evaluating the impact of pneumococcal vaccination on invasive infections in children

Population-based Nationwide Study on Invasive Pneumococcal Infections Among Children (0-18 Years) in France

Association Clinique Thérapeutique Infantile du val de Marne · NCT04664556

This study is trying to see how well the pneumococcal vaccines are working to protect children from serious infections caused by pneumococcus.

Quick facts

Study typeObservational
Enrollment2500 (estimated)
Ages1 Day to 18 Years
SexAll
SponsorAssociation Clinique Thérapeutique Infantile du val de Marne (other)
Locations1 site (Créteil)
Trial IDNCT04664556 on ClinicalTrials.gov

What this trial studies

This observational study aims to assess the effects of the 7 and 13 valent pneumococcal conjugate vaccines implemented in France on invasive pneumococcal disease (IPD) in children. It will involve the collection and analysis of clinical data related to IPD cases, including serotyping of the pneumococcus, underlying health conditions, and vaccination status of the affected individuals. The study will utilize isolates from various sterile body sites to understand the epidemiology of IPD post-vaccination.

Who should consider this trial

Good fit: Ideal candidates for this study are children who have been diagnosed with invasive pneumococcal disease and have a confirmed isolate of Streptococcus pneumoniae.

Not a fit: Patients who do not have a confirmed pneumococcal infection or whose strains are not transmitted to the National Reference Center for Pneumococci may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide valuable insights into the effectiveness of pneumococcal vaccines in reducing severe infections in children.

How similar studies have performed: Other studies have shown success in evaluating the impact of pneumococcal vaccines on disease incidence, making this approach both relevant and supported by prior findings.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Isolate of Streptococcus pneumoniae from at least one blood culture, or pleural fluid, or joint fluid, or cerebrospinal fluid or other normally sterile body site, or if there is a positive blood polymerase chain reaction (PCR).

Exclusion Criteria:

* Pneumococcal strain not transmetted to National Reference Center for Pneumococci or to Regional Pneumococci Observatory

Where this trial is running

Créteil

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.

View on ClinicalTrials.gov →

Conditions: Pneumococcal Infections, Pneumococcal Conjugate Vaccine, Antibiotic Treatment, Mortality

Last reviewed 2026-05-15 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.