Meningococcal Vaccine Study for Infants and Toddlers

We are investigating a new meningococcal vaccine to see how well it works and its safety compared to an existing vaccine in healthy infants and toddlers. This study focuses on children receiving their first doses at 6-7 months and a booster at 12-13 months.

What diseases are being studied?

Health conditions and diseases that the clinical trial is designed to study and treat.

Who can participate in the clinical trial?

These questions help us understand your situation so we can let the trial team know whether you might be a potential match. This is not a medical evaluation and is not part of the official screening, the study doctor will make the final decision..

What medicines are being studied?

Medicines that are officially approved for use in the European Union and considered safe by EMA. These medicines are already on the market and may be tested for new conditions or populations.

Menquadfi
MenQuadfi is a vaccine that helps protect against bacteria that can cause meningitis and serious bloodstream infections.
Nimenrix
Nimenrix is a vaccine that helps prevent meningitis and blood infections caused by meningococcal bacteria groups A, C, W, and Y.

What active substances are being studied?

Active substances that are officially approved for use in the European Union and considered safe by EMA. These substances are already on the market and may be tested for new conditions or populations.

Conjugated To Tetanus Toxoid
A vaccine component that links an antigen to tetanus toxoid to strengthen immune response and help prevent certain bacterial infections.
N. Meningitidis Group C (Strain C11) Polysaccharide (De-O-Acetylated) Conjugated To Tetanus Toxoid
N. meningitidis group C polysaccharide conjugated to tetanus toxoid is a substance that helps prevent meningitis and blood infections from meningococcus.
N. Meningitidis Group C Polysaccharide
N. meningitidis group C polysaccharide is used in vaccines to stimulate immunity and help prevent infections caused by meningococcal group C bacteria.

What similar medicines might you know?

Don't worry if you don't know the medicines tested in the trial. There is a chance you have heard about the similar medicines. Check the list below to see if you are familiar with any of them.

Tetanusvaccin

Where is the clinical trial being conducted?

Locations and medical facilities where this clinical trial is currently recruiting or conducting research. Select the locations where you would like to participate.

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MUDr.Natasa Guklhornova s.r.o.
České Budějovice, Czechia
Sanare s.r.o.
České Budějovice, Czechia
MUDr. David Zeman, s.r.o.
Hlučín, Czechia

Sponsor: Sanofi Pasteur
Last updated: Nov 27, 2025

Disclaimer: Parts of this content have been automatically extracted from the EU Clinical Trials registry. While we strive for accuracy, please always contact the trial site or sponsor directly for correct and official information before making any decisions about participation. View on EU Clinical Trials.