The pathogenetic rationale and effectiveness of including ω-3 polyunsaturated fatty acids in the complex therapy of atopic dermatitis in adults
Abstract
Atopic dermatitis (AD) is a multifactorial disease, in its pathogenesis an imbalance of polyunsaturated fatty acids (PUFA) in favor of pro-inflammatory ω-6 over antiinflammatory ω-3 plays an important role. Although the role of ω-3 PUFAs in atopy prevention is established, data on their efficacy in the treatment of confirmed AD remain contradictory due to the differences in dosages and study design. The aim of the research was a comparative evaluation of the clinical efficacy and safety of two different doses of ω-3 PUFAs as part of complex therapy for AD in adult patients.
Material and methods: We examined 101 patients with moderate to severe AD aged 18 to 59 years (Me 31 [23; 41] years). Sixty-five subjects were administrated ω-3 PUFAs in addition to basic therapy and were randomized into subgroups receiving a high (3.6 g/ day, 200/240 mg EPA/DHA) or low (0.72 g/day, 40/48 mg EPA/DHA) dose of fish oil for 30 days. The control group consisted of 36 patients on standard therapy. Efficacy was assessed by the dynamics of the SCORAD index, the severity of subjective symptoms (itching, sleep disorders), and the proportion of patients with complete resolution of clinical manifestations.
Results: The most significant reduction in disease severity was observed in patients receiving a high dose of ω-3 PUFAs: the SCORAD index decreased by 81.8% (from 55 [41; 70] to 10 [8; 13] points, p<0.001), itching intensity by 87.5%, and sleep disorders by 66.7%. In the low-dose group, the…
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. Reported size: 101 participants or records.
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