EMA has started a review of the multiple sclerosis medicine Lemtrada (alemtuzumab) following new reports of immune-mediated conditions (caused by the body’s defence system not working properly) and problems with the heart and blood vessels with the medicine, including fatal cases.
As a temporary measure while the review is ongoing, Lemtrada should only be started in adults with relapsing-remitting multiple sclerosis that is highly active despite treatment with at least two disease-modifying therapies (a type of multiple sclerosis medicine) or where other disease-modifying therapies cannot be used. Patients being treated with Lemtrada who are benefitting from it may continue treatment in consultation with their doctor.
- immune-mediated conditions, including autoimmune hepatitis (with damage to the liver) and haemophagocytic lymphohistiocytosis (overactivation of the immune system which may affect different parts of the body);
- problems with the heart and blood vessels occurring within 1–3 days of receiving the medicine, including bleeding in the lungs, heart attack, stroke, cervicocephalic arterial dissection (tears in the lining of the arteries in the head and neck);
- severe neutropenia (low levels of neutrophils, a type of white blood cell that fights infections).
Healthcare professionals should consider stopping treatment in patients who develop signs of these conditions and patients should immediately seek medical help if they experience symptoms.
EMA will now evaluate all available data on the safety concerns with the
This has been coming for some time with various secondary immune-mediated conditions accumulating. I guess relative inactivity about already identified issues didn't help: https://t.co/kSnkRiwYeC @BartsMSBlog— Klaus Schmierer (@KlausSchmierer) April 12, 2019
For more information on a the EMA’s ‘Article 20 pharmacovigilance procedures’.