Multiple sclerosis : clinical and laboratory research
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Randomized Controlled Trial
Effects of interferon beta-1b on cognitive performance in patients with a first event suggestive of multiple sclerosis.
Cognitive dysfunction occurs at the earliest stages of multiple sclerosis (MS), including the stage of clinically isolated syndrome (CIS). ⋯ To conclude, early IFNβ-1b treatment had a sustained positive effect on PASAT-3" score over the 5-year BENEFIT study.