PML and body weight

Analysis presented at last month's AAN (American Academy of Neurology) meeting found that PML (progressive multifocal leukoencephalopathy), a side effect of Tysabri, was more prevalent in people with lower body weight. Whether weight is the risk factor or just indicative of something else is not clear. Medscape (requires free registration) PML (Progressive multifocal leukoencephalopathy) - A to Z of MS
Source: Multiple Sclerosis Trust - Category: Neurology Source Type: news