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Psychother Psychosom. 2019 Sep 3:1-11. doi: 10.1159/000502652. [Epub ahead of print]

International Society for Nutritional Psychiatry Research Practice Guidelines for Omega-3 Fatty Acids in the Treatment of Major Depressive Disorder.

Author information

1
Departments of Psychiatry and Mind-Body Interface Laboratory (MBI-Lab), China Medical University Hospital, Taichung, Taiwan.
2
Division of Psychiatry, Departments of Internal Medicine, China Medical University Beigang Hospital, Yunlin, Taiwan.
3
Depression Clinical and Research Program, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA.
4
NICM, Health Research Institute, Western Sydney University, Westmead, New South Wales, Australia.
5
Department of Psychiatry, The Melbourne Clinic, Professorial Unit, Melbourne University, Melbourne, Victoria, Australia.
6
Section on Nutritional Neuroscience, National Institute on Alcohol Abuse and Alcoholism, Bethesda, Maryland, USA.
7
Department of Psychiatry, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.
8
Department of Public Health, Faculty of Medicine, University of Toyama, Toyama, Japan.
9
Clinical Trials Network and Institute, Massachusetts General Hospital, Boston, Massachusetts, USA.
10
Department of Psychiatry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
11
Division of Health Care Research, Center for Public Health Sciences, National Cancer Center Japan, Tokyo, Japan.
12
Ben Gurion University of the Negev, Beersheba, Israel.
13
IMPACT SRC, Food and Mood Centre, School of Medicine, Faculty of Health, Deakin University, Sydney, New South Wales, Australia.
14
Stress, Psychiatry and Immunology Laboratory, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom.
15
Department of Psychiatry, The University of Melbourne, Melbourne, Victoria, Australia.
16
Departments of Psychiatry and Mind-Body Interface Laboratory (MBI-Lab), China Medical University Hospital, Taichung, Taiwan, cobolsu@gmail.com.
17
College of Medicine, China Medical University, Taichung, Taiwan, cobolsu@gmail.com.

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.

KEYWORDS:

Docosahexaenoic acid; Eicosapentaenoic acid; Guideline; Major depressive disorder; Omega-3 polyunsaturated fatty acids

PMID:
31480057
DOI:
10.1159/000502652
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