13 January 2025 - The Department of Health and Social Care has asked NICE to produce guidance on the use of marstacimab in the NHS in England.
For the time being, marstacimab is not recommended for the prevention of bleeding episodes in patients 12 years of age and older weighing at least 35 kg with severe haemophilia A or severe haemophilia B without factor inhibitors (anti-factor antibodies).