GuidelinePsychotherapy and psychosomatics2019
International Society for Nutritional Psychiatry Research Practice Guidelines for Omega-3 Fatty Acids in the Treatment of Major Depressive Disorder.
Guideline in Psychotherapy and psychosomatics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 87 papers, 7 of them syntheses that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
87 citing papers in PubMed, 7 syntheses or guidelines pooled it, 189 citations in OpenAlex.
- Comparative efficacy and tolerability of nutraceuticals for depressive disorder: A systematic review and network meta-analysis.Psychological medicine · 2025Pooled it
- Anti-inflammatory interventions for the treatment and prevention of depression among older adults: a systematic review and meta-analysis.Translational psychiatry · 2025Pooled it
- Omega-3 fatty acid supplementation for depression in children and adolescents.The Cochrane database of systematic reviews · 2024Pooled it
- Depression and lifestyle: Focusing on nutrition, exercise, and their possible relevance to molecular mechanisms.Psychiatry and clinical neurosciences · 2023Pooled it
- Long COVID and long chain fatty acids (LCFAs): Psychoneuroimmunity implication of omega-3 LCFAs in delayed consequences of COVID-19.Brain, behavior, and immunity · 2022Pooled it
- The Effects of Omega-3 Supplementation on Depression in Adults with Cardiometabolic Disease: A Systematic Review of Randomised Control Trials.Nutrients · 2022Pooled it
- Fish Consumption and the Risk of Chronic Disease: An Umbrella Review of Meta-Analyses of Prospective Cohort Studies.Advances in nutrition (Bethesda, Md.) · 2020Pooled it
- ω-3 Fatty Acids in Pediatric Major Depressive Disorder: A Randomized Clinical Trial.JAMA network open · 2026Trial
- The Efficacy of Omega-3 Fatty Acids as the Monotherapy for Depression: A Randomized, Double-Blind, Placebo-Controlled Pilot Study.Nutrients · 2024Trial
- Bioequivalence of long-chain omega-3 polyunsaturated fatty acids from foods enriched with a novel vegetable-based omega-3 delivery system compared to gel capsules: a randomized controlled cross-over acute trial.European journal of nutrition · 2022Trial
- Trial
- Dose- and time-dependent increase in circulating anti-inflammatory and pro-resolving lipid mediators following eicosapentaenoic acid supplementation in patients with major depressive disorder and chronic inflammation.Prostaglandins, leukotrienes, and essential fatty acids · 2021Trial
- Supplementation-induced increase in circulating omega-3 serum levels is not associated with a reduction in depressive symptoms: Results from the MooDFOOD depression prevention trial.Depression and anxiety · 2020Trial
- [Nutritional psychiatry and psychosomatics in the DACH region : Clinical treatment concepts and research at the university hospitals of Graz, Berlin and Zurich].Der Nervenarzt · 2026Review
- Cetoleic acid and other long-chain unsaturated fatty acids as neuroprotective nutraceuticals.Lipids in health and disease · 2026Review
- The role of psychiatric nurses in nutritional care for treatment-resistant depression: a relapse-prevention perspective.Frontiers in nutrition · 2026Review
- Psychological-dietary interactions in chronic disease management: mechanisms and integrated intervention strategies.Frontiers in nutrition · 2026Review
- Eicosapentaenoic acid in emotional well-being and brain aging: evidence boundaries, clinical heterogeneity, and a peripheral-to-central resolution-biology framework.Frontiers in nutrition · 2026Review
- Omega-3 fatty acids in mental disorders: from neurobiological and metabolic mechanisms to therapeutic potential.Frontiers in nutrition · 2026Review
- Transdiagnostic prevention in youth mental health, Part II: interventions.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2026Review
27 more citing papers are in PubMed but not listed here.
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Authors and funding
15 authors at 12 institutions in 7 countries.
Funding
Abstract
Major depressive disorder (MDD) is a complex mental illness with unmet therapeutic needs. The antidepressant effects of ω-3 polyunsaturated fatty acids (n-3 PUFAs) have been widely reported. The subcommittee of the International Society for Nutritional Psychiatry Research organized an expert panel and conducted a literature review and a Delphi process to develop a consensus-based practice guideline for clinical use of n-3 PUFAs in MDD. The guideline focuses on 5 thematic areas: general concepts, acute treatment strategy, depression recurrence monitoring and prevention, use in special populations, and potential safety issues. The key practice guidelines contend that: (1) clinicians and other practitioners are advised to conduct a clinical interview to validate clinical diagnoses, physical conditions, and measurement-based psychopathological assessments in the therapeutic settings when recommending n-3 PUFAs in depression treatment; (2) with respect to formulation and dosage, both pure eicosapentaenoic acid (EPA) or an EPA/docosahexaenoic acid (DHA) combination of a ratio higher than 2 (EPA/DHA >2) are considered effective, and the recommended dosages should be 1-2 g of net EPA daily, from either pure EPA or an EPA/DHA (>2:1) formula; (3) the quality of n-3 PUFAs may affect therapeutic activity; and (4) potential adverse effects, such as gastrointestinal and dermatological conditions, should be monitored, as well as obtaining comprehensive metabolic panels. The expert consensus panel has agreed on using n-3 PUFAs in MDD treatment for pregnant women, children, and the elderly, and prevention in high-risk populations. Personalizing the clinical application of n-3 PUFAs in subgroups of MDD with a low Omega-3 Index or high levels of inflammatory markers might be regarded as areas that deserve future research.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.