Journal
BRITISH JOURNAL OF PSYCHIATRY
Volume 188, Issue -, Pages 46-50Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1192/bjp.188.1.46
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Background Epidemiological and clinical studies suggest that increased intake of eicosapentaenoic acid (EPA) alleviates unipolar depression. Aims To examine the efficacy of EPA in treating depression in bipolar disorder. Method In a 12-week, double-blind study individuals with bipolar depression were randomly assigned to adjunctive treatment with placebo (n=26) or with 1 g/day (n=24) or 2 g/day (n=25) of ethylEPA. Primary efficacy was assessed by the Hamilton Rating Scale for Depression (HRSD), with changes in the Young Mania Rating Scale and Clinical Global Impression Scale (CGI) as secondary outcome measures. Results There was no apparent benefit of 2 g over 1 g ethyl-EPA daily. Significant improvement was noted with ethyl-EPA treatment compared with placebo in the HRSD (P=0.04) and the CGI (P=0.004) scores. Both doses were well tolerated. Conclusions Adjunctive ethyl-EPA is an effective and well-tolerated intervention in bipolar depression. Declaration of interest The study (excluding attendance or presentations at international conferences) was supported by Laxdale Ltd, supplier of the ethyl-EPA preparation used in it.
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