#AAN2018 – Extending Time Between Tysabri Doses Linked to Lower PML Risk, Analysis Suggests
Extending the time between standard doses ofĀ TysabriĀ (natalizumab)Ā from four weeks to up to 12 weeks is linked to a significant decrease in the risk of progressive multifocal leukoencephalopathy (PML) in multiple sclerosis (MS) patients infected with what’s known as the JC virus, according to a recent analysis of data from…