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Updated recommendations to minimise the risk of the rare brain infection PML with Tysabri – Comment to EMA recommendation
After more than a decade from the natalizumab approval, most MS specialists consider this biological therapy as one of the most efficient drugs that we have nowadays to treat relapsing-remitting MS patients. However, the problem we have to face when we start to use natalizumab is the risk of the occurrence of progressive multifocal leukoencephalopathy (PML) in some patients.