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EPA supplementation improves teacher-rated behaviour and oppositional symptoms in children with ADHD
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2010 (English)In: Acta Paediatrica, ISSN 0803-5253, E-ISSN 1651-2227, Vol. 99, no 10, 1540-1549 p.Article in journal (Refereed) Published
Abstract [en]

Aim: Measure efficacy of eicosapentaenoic acid (EPA) in children with attention deficit hyperactivity disorder (ADHD). Methods: Randomized controlled trial (RCT) of 0.5 g EPA or placebo (15 weeks) in 92 children (7-12 years) with ADHD. Efficacy measure was Conners' Parent/Teacher Rating Scales (CPRS/CTRS). Fatty acids were analysed in serum phospholipids and red blood cell membranes (RBC) at baseline and endpoint with gas chromatography. Results: EPA improved CTRS inattention/cognitive subscale (p = 0.04), but not Conners' total score. In oppositional children (n = 48), CTRS total score improved >= 25% in 48% of the children receiving EPA vs. 9% for placebo [effect size (ES) 0.63, p = 0.01]. In less hyperactive/impulsive children (n = 44), >= 25% improvement was seen in 36% vs. 18% (ES 0.41, n.s.), and with both these types of symptoms 8/13 with EPA vs. 1/9 for placebo improved >= 25% (p = 0.03). Children responding to treatment had lower EPA concentrations (p = 0.02), higher AA/EPA (p = 0.005) and higher AA/DHA ratios (p = 0.03) in serum at baseline. Similarly, AA/EPA (p = 0.01), AA/DHA (p = 0.038) and total omega-6/omega-3 ratios (p = 0.028) were higher in RBC, probably because of higher AA (p = 0.011). Conclusion: Two ADHD subgroups (oppositional and less hyperactive/impulsive children) improved after 15-week EPA treatment. Increasing EPA and decreasing omega-6 fatty acid concentrations in phospholipids were related to clinical improvement.

Place, publisher, year, edition, pages
2010. Vol. 99, no 10, 1540-1549 p.
Keyword [en]
ADHD, Arachidonic acid, DHA, EPA, LCPUFA, RBC, serum phospholipids
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-135025DOI: 10.1111/j.1651-2227.2010.01871.xISI: 000281556700025OAI: oai:DiVA.org:uu-135025DiVA: diva2:374308
Available from: 2010-12-03 Created: 2010-12-03 Last updated: 2010-12-03Bibliographically approved

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