Diseases, Conditions, Syndromes

Early detection of MS treatment complication may improve survival

The drug natalizumab is effective for treating multiple sclerosis (MS), but it increases the risk of a rare but potentially fatal brain infection called progressive multifocal leukoencephalopathy (PML). A study released today ...

Diseases, Conditions, Syndromes

Leukoencephalopathy risk factors ID'd for MS drug

(HealthDay) -- Drug company researchers say they've determined which multiple sclerosis patients are most vulnerable to developing a rare brain infection while taking a powerful drug called Tysabri (natalizumab).

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