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  • Title: A 12-week, double-blind, placebo-controlled trial of galantamine adjunctive treatment to conventional antipsychotics for the cognitive impairments in chronic schizophrenia.
    Author: Lee SW, Lee JG, Lee BJ, Kim YH.
    Journal: Int Clin Psychopharmacol; 2007 Mar; 22(2):63-8. PubMed ID: 17293705.
    Abstract:
    The objective of the study was to study the effects of acetylcholinesterase inhibitors on cognition in patients with schizophrenia. We conducted a 12-week, double-blind, placebo-controlled trial of galantamine as adjunctive treatment to conventional antipsychotic drugs on 24 patients with schizophrenia. The 24 patients had been stabilized on conventional antipsychotic drugs (chlorpromazine equivalent dose of 1390 mg/day) for a minimum of 3 months before their enrollment into the study. The patients were evaluated at baseline, and after 6 and 12 weeks using the Korean version of Mini Mental State Examination, Brief Psychiatric Rating Scale, and a standard neuropsychological battery. Compared with placebo, galantamine produced a small and nonsignificant change in the cognitive measures, but the score for recognition on the Rey Complex Figure Test improved significantly in patients given galantamine (P<0.05). Of the several domains of cognitive functions assessed, galantamine tended to improve the score for recognition on the Hopkins Verbal Learning Test and for color on the Stroop Test (P<0.1), but these results were not statistically significant. The scores on the Korean version of Mini Mental State Examination did not change significantly in patients with galantamine, and the psychiatric symptoms did not change. The addition of galantamine to the conventional antipsychotic medication of patients with schizophrenia does not produce a change in the cognitive function or state of psychopathology.
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