Every Xospata 40 mg film-coated tablets pack contains a patient alert card. The purpose of the patient alert card is to provide: -Information for patients that Xospata treatment may cause differentiation syndrome. -Description of signs or symptoms of the safety concern and when to seek medical care if differentiation syndrome is suspected -A warning message for healthcare professionals treating the patient at any time, including in conditions of emergency, that the patient is using Xospata. -Contact details of the treating physician who has prescribed Xospata. -Needs to be carried all the time and presented to any healthcare professional.