Characteristics of patients with invasive meningococcal disease

Epidemiological, Clinical and Biological Caracteristics of Patients Presenting With Invasive Meningococcal Disease in the West of France

Observational Poitiers University Hospital · NCT05981599

This study looks at the different ways invasive meningococcal disease shows up in patients during a recent spike in cases to better understand its impact and how COVID-19 might have changed things.

Quick facts

Study typeObservational
Enrollment100 (estimated)
SexAll
SponsorPoitiers University Hospital Academic / other
Locations1 site (Poitiers, Vienne)
Trial IDNCT05981599 on ClinicalTrials.gov

What this trial studies

This observational study aims to analyze the epidemiological, clinical, and biological characteristics of patients diagnosed with invasive meningococcal disease (IMD) during an unusual increase in cases observed between late 2022 and early 2023. The study will focus on atypical presentations of IMD, particularly cases with high rates of bacteremia without meningitis and an unusual distribution of serogroups, especially serotype Y. The research will also consider the impact of the COVID-19 pandemic on the transmission dynamics of meningococcal infections and the potential reduction in mucosal immunity among young adults. Data will be collected from patients diagnosed at Poitiers University Hospital.

Who should consider this trial

Good fit: Ideal candidates for this study are individuals clinically diagnosed with invasive meningococcal infection.

Not a fit: Patients who do not have a clinical diagnosis of invasive meningococcal infection will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance understanding of invasive meningococcal disease and inform better prevention and treatment strategies.

How similar studies have performed: While there have been studies on meningococcal disease, this specific focus on atypical presentations and the impact of recent pandemic-related changes is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

Clinical diagnosis of Invasive Meningococcal infection (defined by the isolation of Neisseria meningitis in a normaly steril site (CSL, blood, articulation, ..) by PCR or culture.

No exclusion Criteria

Where this trial is running

Poitiers, Vienne

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 Meningococcal Infections
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.