Does natalizumab therapy worsen neuromyelitis optica?

Abstract

We report 3 cases of continuing disease activity and possible exacerbation of neuromyelitis optica (NMO) on natalizumab. ### Case reports. #### Case 1. A 33-year-old woman presented in June 1995 with optic neuritis, followed by left hemiparesis. Multiple sclerosis (MS) was diagnosed and she was