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HYMPAVZI (marstacimab-hncq) is a once-weekly fixed-dose pen for routine prophylaxis in patients 12 years and older with hemophilia A or B without inhibitors. It is injected under the skin and has demonstrated a 92% reduction in treated bleeds compared to on-demand factor-based treatment in clinical trials.
AI named Hympavzi from February 2026 to March 2026.