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Medicines MarstacimabQuestion & answer

Marstacimab · Medicine question

Can marstacimab treat a breakthrough bleed?

iatroX medicinesPublished 17 August 2026Reviewed 17 August 2026

The answer

Answer

No. Do not use an extra injection; follow the breakthrough-bleed plan supplied by the haemophilia team.

Sources for this answer

Hympavzi 150 mg solution for injection in pre-filled penemc · SmPC Current selected SmPC · Version 4

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The full medicine guide

Marstacimab

Read the wider context, including uses, precautions and the sources behind this medicine guide.

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More questions about Marstacimab

What is marstacimab used for?Is marstacimab a clotting-factor replacement?Can marstacimab be self-injected?Does marstacimab affect routine clotting tests?What should clinicians know before surgery?

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