EC Approved Pfizer’s HYMPAVZI™ (marstacimab) for Treatment of Adults and Adolescents with Severe Hemophilia

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On Nov, 20, 2024, Pfizer announced that the European Commission (EC) has granted marketing authorization for HYMPAVZI™ (marstacimab) for the routine prophylaxis of bleeding episodes in patients 12 years of age and older weighing at least 35 kg with severe hemophilia A (congenital factor VIII [FVIII] deficiency, FVIII <1%) without FVIII inhibitors or severe hemophilia B (congenital factor IX [FIX] deficiency, FIX <1%) without FIX inhibitors.

HYMPAVZI is the first and only anti-tissue factor pathway inhibitor (anti-TFPI) approved in the European Union (EU) for the treatment of hemophilia A or B and the first hemophilia medicine approved in the EU to be administered via a pre-filled, auto-injector pen. HYMPAVZI offers a subcutaneous treatment option with a once-weekly dosing schedule and minimal preparation required for each individual administration.

Hemophilia is a family of rare genetic blood diseases caused by a clotting factor deficiency (FVIII in hemophilia A, FIX in hemophilia B), impacting more than 800,000 people globally. Diagnosed in early childhood, hemophilia inhibits the blood’s ability to clot properly, increasing the risk of repeated bleeding inside the joints, which can lead to permanent joint damage. Despite significant progress in hemophilia treatment in recent years, many people living with the disease continue to experience bleeding episodes and manage their condition with frequent intravenous infusions that may need to be administered multiple times a week.

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Source: Pfizer
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