Marstacimab for Pediatric Hemophilia

We are studying a new treatment for children with severe hemophilia A or B to see if it is safer and more effective than standard care. This trial includes participants with or without inhibitors.

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 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.

Marstacimab
Marstacimab is an antibody that helps prevent bleeding in people with hemophilia by boosting blood clotting.

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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Medical University Of Vienna
Klinik für Kinder- und Jugendheilkunde, Gerinnungsambulanz
Vienna, Austria
Fakultni Nemocnice Brno
Oddeleni detske hematologie a biochemie
Brno, Czechia
Fakultni Nemocnice V Motole
Klinika dětské hematologie a onkologie 2. LF UK a FN Motol
Stodůlky, Czechia

Sponsor: Pfizer Inc.
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.