Biogen Idec Inc. indicates that another multiple sclerosis patient may have developed a rare and potentially life-threatening brain infection known as progresive multifocal leukoencephalopathy from side effects of Tysabri.
According to a report in the Wall Street Journal, another multiple sclerosis patient has developed a rare and often fatal brain infection, known as progressive multifocal leukoencephalopathy, or PML, as…
Another multiple sclerosis patient has suffered a rare brain disease as a side effect of Tysabri. This is the seventh reported case of the potentially fatal brain infection, known as…
The European Medicines Agency, an advisory body for drug regulators in Europe, recommended last week that the warning label for the multiple-sclerosis drug Tyasabri be updated following new reports of…
