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Gilenya (fingolimod): FDA Drug Safety Communication –
Severe Worsening of Multiple Sclerosis After Stopping the Medicine

Silver Spring, MD, USA (November 20, 2018) – FDA is warning that when the multiple sclerosis (MS) medicine Gilenya (fingolimod) is stopped, the disease can become much worse than before the medicine was started or while it was being taken. This MS worsening is rare but can result in permanent disability.

BACKGROUND

Gilenya is one of several medicines approved to treat a form of MS called relapsing MS, which are periods of time when MS symptoms get worse. The medicine was approved in the United States in 2010.

RECOMMENDATION

Healthcare professionals should:

• Inform patients before starting treatment about the potential risk of severe increase in disability after stopping Gilenya.
• Patients should be carefully observed for evidence of an exacerbation of their MS and treated appropriately when Gilenya is stopped.
• Patients should be advised to seek immediate medical attention if they experience new or worsened symptoms of MS after Gilenya is stopped.
• Test for new or enhancing lesions by magnetic resonance imaging (MRI) if an increase in disability occurs and begin appropriate treatment as needed.
• Encourage patients to read the patient Medication Guide they receive with their Gilenya prescriptions, which explains the benefits and risks of the medicine.

Patients who have been instructed to stop Gilenya, should contact your health professional immediately if you experience new or worsened symptoms such as:

• weakness
• trouble using arms or legs
• changes in thinking, eyesight or balance.

Patients should not stop taking the medicine on their own and should speak to their health professional first, as stopping treatment can lead to worsening MS symptoms.

Healthcare professionals and patients are encouraged to report adverse events or side effects related to the use of these products to the FDA’s MedWatch Safety Information and Adverse Event Reporting Program:

• Complete and submit the report Online: www.fda.gov/MedWatch/report
• Download form or call 1-800-332-1088 to request a reporting form, then complete and return to the address on the pre-addressed form, or submit by fax to 1-800-FDA-0178

FDA – Drug Safety Communication – FDA, 20.11.2018 (tB).