Chickenpox Vaccine Study for Children Aged 12 to 15 Months

We are evaluating a new chickenpox vaccine to see how well it works and its safety compared to the standard Varivax vaccine in healthy children. This study aims to ensure that the new vaccine provides a strong immune response.

6-12 months ≤5 visits Confirmation phase (III)No Placebo Cost Reimbursement Partially Remote Standard Medicines InjectionInfectious DiseasesPediatrics

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.

Dengue Tetravalent Vaccine (Live, Attenuated) Takeda

Dengue Tetravalent Vaccine (Live, Attenuated) Takeda is a vaccine that helps prevent dengue fever caused by all four types of dengue virus.

Varivax

Varivax is a vaccine used to prevent chickenpox in children and adults.

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.

(Live, Attenuated) Produced In Human Diploid (Mrc-5) Cells

Attenuated

Dengue Virus

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.

Provarivax

Qdenga

Varilrix

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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UZ Leuven

Pediatrics

Heverlee, Belgium

Universitair Ziekenhuis Gent

Pediatrics

Ledeberg, Belgium

Centre Hospitalier Regional De La Citadelle

Pediatrics

Liège, Belgium

Sponsor: GlaxoSmithKline Biologicals

Last updated: Nov 26, 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.