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  • Title: Risperidone in the treatment of acute mania: double-blind, placebo-controlled study.
    Author: Khanna S, Vieta E, Lyons B, Grossman F, Eerdekens M, Kramer M.
    Journal: Br J Psychiatry; 2005 Sep; 187():229-34. PubMed ID: 16135859.
    Abstract:
    BACKGROUND: Severe mania is life-threatening, carries an increased risk of suicide and has a serious impact on patients and their families. Efficient and rapid control of episodes of acute mania is needed. AIMS: To evaluate the safety and efficacy of risperidone monotherapy for acute mania. METHOD: In a 3-week, randomised, double-blind trial, 290 in-patients with bipolar I disorder with current manic or mixed episode and a baseline Young Mania Rating Scale (YMRS) score of 20 or more received flexible doses of risperidone (1-6 mg per day) or placebo. RESULTS: Risperidone was received by 146 patients and placebo by144. Their mean baseline YMRS score was 37.2 (s.e.=0.5). Significantly greater improvements were observed with risperidone than with placebo at weeks 1 and 2 and at end-point (total YMRS: P <0.01). Extrapyramidal symptoms were the most frequently reported adverse events in the risperidone group. CONCLUSIONS: In patients with severe manic symptoms, risperidone produced significant improvements in YMRS scores as early as week 1 and substantial changes at end-point. Treatment was well tolerated.
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