Treatment of Multiple Sclerosis–Related Cognitive Problems With Adjunctive Modafinil
2008
In patients with multiple sclerosis (MS), attention and information-processing-speed impairment contribute to dysfunction in other cognitive domains (learning, memory). Treatment for MS-related attention and processing-speed deficits may have dual benefits: improvement of function in these domains and in overall cognitive efficiency. The objective of this study was to determine whether adjunctive treatment of fatigue with modafinil ameliorates deficits in attention and cognitive domains reliant on attention. Relapsing-remitting MS patients receiving intramuscular interferon beta-1a (IM IFNβ-1a) were screened for attention problems with four well-validated, reliable, standardized neurocognitive measures sensitive to attention impairment. Those scoring at least 1 standard deviation below normative expectations on at least two of the measures were eligible for continued participation. Participants with normal values on all physical screening measures were randomized to one of two groups: continued IM IFNβ-1a...
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