Cognitive effects of modafinil in patients with multiple sclerosis: A clinical trial.

Abstract:

PURPOSE/OBJECTIVE:To assess the efficacy of modafinil for the treatment of new learning and memory deficits and fatigue in multiple sclerosis. Only 1 previous study in the literature, to our knowledge, examined the effect of modafinil on cognition specifically in persons with multiple sclerosis. RESEARCH METHOD/DESIGN:Sixteen patients with a diagnosis of multiple sclerosis (MS) and documented new learning impairment completed the study. In a 5-week randomized, double-blinded, crossover design, participants received either a single daily oral dose of modafinil (200 mg) or placebo for 2 weeks. A 1-week washout period was included between study arms. RESULTS:No effect of modafinil was noted on learning and memory performance. Participants taking 200 mg of modafinil showed improvement in 1 of the 2 working memory measures administered, the Wechsler Adult Intelligence Scale-III (WAIS-III) Letter-Number Sequencing task, as compared with those on placebo. Treatment with modafinil did not have a beneficial effect in reducing self-reported fatigue. No changes were noted on the Modified Fatigue Impact Scale or the Fatigue Severity Scale with the treatment of modafinil, as compared with placebo. CONCLUSIONS/IMPLICATIONS:Findings indicate that 200 mg of modafinil has the potential to improve working memory in persons with MS. These findings suggest that modafinil may enhance aspects of cognition in persons with MS and may be an effective adjunct to clinical rehabilitation interventions.

journal_name

Rehabil Psychol

authors

Ford-Johnson L,DeLuca J,Zhang J,Elovic E,Lengenfelder J,Chiaravalloti ND

doi

10.1037/a0039919

subject

Has Abstract

pub_date

2016-02-01 00:00:00

pages

82-91

issue

1

eissn

0090-5550

issn

1939-1544

pii

2015-55792-001

journal_volume

61

pub_type

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