title: Effects of vigabatrin on cognitive function and mood when used as add-on therapy in patients with intractable epilepsy.
abstract: Cognitive function and mood of patients with epilepsy who received 2 g/day vigabatrin (GVG) in addition to their usual antiepileptic drugs (AEDs) was assessed on two occasions: before start of treatment (baseline) and 4 weeks after start of treatment. A battery of selected psychological tasks measuring attention, mental speed, motor speed, central cognitive processing, and perceptuomotor performance was used, along with standardized, objective mood assessments. A comparison group (n = 15) of patients receiving stable medication was also tested to evaluate practice effects of the psychometric tests. Administration of 2 g/day GVG significantly decreased response time on a test of central cognitive processing ability (arithmetic). No adverse effect was noted on any other test of cognitive function or mood.
authors.affiliation: Institute of Neurology, National Hospital, London, England.
authors.forename: A M
authors.initials: AM
authors.lastname: McGuire
authors.forename: J S
authors.initials: JS
authors.lastname: Duncan
authors.forename: M R
authors.initials: MR
authors.lastname: Trimble
mesh_terms: D000328:Adult; D000339:Affect / Q000187:drug effects*; D000614:Aminocaproates / Q000494:pharmacology* / Q000627:therapeutic use; D000927:Anticonvulsants / Q000494:pharmacology* / Q000627:therapeutic use; D003071:Cognition / Q000187:drug effects*; D003657:Decision Making / Q000187:drug effects; D004305:Dose-Response Relationship, Drug; D004827:Epilepsy / Q000188:drug therapy* / Q000523:psychology; D005260:Female; D005425:Flicker Fusion / Q000187:drug effects; D006801:Humans; D008297:Male; D008875:Middle Aged; D010555:Personality Inventory; D011214:Practice, Psychological; D011581:Psychological Tests; D011597:Psychomotor Performance / Q000187:drug effects; D011930:Reaction Time / Q000187:drug effects; D020888:Vigabatrin
chemical_list: D000614:Aminocaproates; D000927:Anticonvulsants; D020888:Vigabatrin