Randomized Controlled Trial of Omega-3 and −6 Fatty Acid Supplementation to Reduce Inflammatory Markers in Children with Autism Spectrum Disorder
Abstract
This double-blind, randomized controlled trial, tested fatty acid (FA) supplementation in children (ages 2- < 6 years) recently diagnosed with Autism Spectrum Disorder (ASD). Participants received daily oral FA supplement containing omega-3 and omega-6 FA, or a placebo for 90 days based on participant weight. Erythrocyte FAs and the cytokines, IL-1β, IL-2, IFNγ, were measured in plasma obtained from serial blood collections. Treatment increased omega-3 and omega-6 FA levels (1.40 mol% for EPA and 1.62 mol% for DHA) and reduced IL-2 levels compared to placebo (− 0.17 pg/mL, 95% CI − 0.31, − 0.02, d = − 0.62). Omega 3–6 treatment was tolerable and adherence was greater than 70%. Future research will assess the effects of Omega 3–6 treatment on ASD symptoms. Registered on 06/08/2018 with ClinicalTrials.gov: NCT03550209.
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design.
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