Objective To assess the prevalence and the profile of adverse events (AE) of natalizumab in patients with multiple sclerosis (MS). Methods Data collection from neurologists attending to patients with MS at specialized units in Brazil. Results Data from 103 patients attending the infusion centers of 16 MS units in 9 Brazilian states were included in the study. The total number of infusions was 1,042. Seventy-nin...
Objective Natalizumab is a new and efficient treatment for multiple sclerosis (MS). The risk of developing progressive multifocal leukoencephalopathy (PML) during the use of this drug has created the need for better comprehension of JC virus (JCV) infection. The objective of the present study was to assess the prevalence of JCV-DNA in Brazilian patients using natalizumab. Method Qualitative detection of the JCV...