Omega-3 fatty-acids modulate symptoms of depressive disorder, serum levels of omega-3 fatty acids and omega-6/omega-3 ratio in children. a randomized, double-blind and controlled trial

Trebatická, J.; Hradečná, Z.; Surovcová, A.; Katrenčíková, B.; Gushina, I.; Waczulíková, I.; Sušienková, K.ín.; Garaiova, I.; Šuba, J.án.; Ďuračková, Z.ňk.

Psychiatry Research 287: 112911


ISSN/ISBN: 1872-7123
PMID: 32179212
DOI: 10.1016/j.psychres.2020.112911
Accession: 069921311

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Omega-3 fatty acids (FA) are a promising adjuvant therapy for depressive disorder (DD) in adults. The objective of this single-centre, randomized, double-blind and controlled study was to compare the efficacy of an omega-3 FA fish oil emulsion with a control oil emulsion alongside the standard treatment for depression in children and adolescents suffering from DD or mixed anxiety depressive disorder (MADD) and to analyse serum fatty acid levels and omega-6/omega-3 FA ratio before and after the intervention. 60 children were randomised 1:1 to the intervention (Om3) or active comparator (Om6) groups. Children's Depression Inventory (CDI) ratings were performed at the baseline, every 2 weeks for a 12-week intervention period. Significant reductions in CDI scores were observed after 6 and 12 weeks of intervention in the Om3 group and in the DD subgroup compared to the Om6 and MADD subgroup. Ratio of omega-6/omega-3 decreased in Om3 but not in Om6 from 24.2/1 to 7.6/1 after 6 weeks, EPA, omega-6/omega-3 ratio, but not DHA, correlated with severity symptoms at the baseline. An omega-3 fatty acid rich fish oil emulsion may be an effective adjuvant supplement during the treatment of depressive disorders in children. Trial registration: ISRCTN 81655012.