This page has two extensive reports on depression by the RAND organization (US)
- Depression category listing has
211 items along with related searches
Pages listed in BOTH the categories Magnesium AND Depression
- Depression treatments: diet, exercise, bright light, Vitamin D, B12, Omega-3, Zinc, Music, etc. – May 2019
- Depression treated by Omega-3, Magnesium, Zinc, probiotics, etc - Sept 2017
- Magnesium Puts Psychiatric Drugs to Shame for Depression – March 2019
- Dr. Coimbra discusses Vitamin D, Magnesium, Folic Acid, B12, Autism, Depression, etc – Sept 2018
- Depression greatly reduced by taking 250 mg of Magnesium Chloride daily for 6 weeks– RCT June 2017
- MAGNESIUM IN MAN - IMPLICATIONS FOR HEALTH AND DISEASE – review 2015
- Depression is associated with low Magnesium – meta-analysis April 2015
- Depression is sometimes associated with low Magnesium – review 2013
- Magnesium reduces depression etc. – Aug 2013
- Depression, vitamin D, Magnesium: no agreement Jan 2012
Pages listed in BOTH the categories Omega-3 AND Depression
- Depression treatments: diet, exercise, bright light, Vitamin D, B12, Omega-3, Zinc, Music, etc. – May 2019
- Omega-3 helps treat Major Depression – International Consensus Sept 2019
- Mental disorders fought by Omega-3 etc. - meta-meta-analysis Oct 2019
- Omega-3 reduces Depression. Anxiety, Stress, PTSD, etc. – Aug 2018
- Depression treated by Omega-3 (again) – meta-analysis Aug 2019
- Depression after childbirth 5 X less likely if good Omega-3 index – April 2019
- Occupational burnout reduced after 8 weeks of Omega-3 – RCT July 2019
- Anxiety severity reduced if more than 2 grams of Omega-3 – meta-analysis Sept 2018
- Psychotic disorders not treated by Omega-3 when patents take anti-depressants and get therapy – June 2018
- Happy Nurses Project gave Omega-3 for 3 months – reduced depression, insomnia, anxiety, etc for a year – RCT July 2018
- Depression – is it reduced by Vitamin D and or Omega-3 – RCT 2019
- Benefits of Omega-3 beyond heart health - LEF Feb 2018
- Omega-3 improves gut bacteria, reduces inflammation and depression – Dec 2017
- Unipolar depression treated by Omega-3, Zinc, and probably Vitamin D – meta-analysis Oct 2017
- Omega-3 reduces many psychiatric disorders – 2 reviews 2016
- Omega-3 does not consistently treat depression if use small amounts for short time period – review Oct 2016
- How Omega-3 Fights Depression – LEF July 2016
- Depression due to inflammation reduced by Omega-3 (children and pregnant) – Nov 2015
- Depression treated somewhat by Omega-3 (St. John's Wort better) – RAND org reviews 2015
- Depression substantially decreased with Omega-3 – Sept 2015
- Omega-3 for just 3 months greatly reduced psychosis for 80 months – RCT Aug 2015
- Omega-3 prevents PTSD and some mood disorders - Aug 2015
- Omega-3, Vitamin D, and other nutrients decrease mental health problems – March 2015
- Serotonin regulated by Vitamin D – part 1 autism – Feb 2014
Vitamin D is still NOT Snake oil - Sept 2015 St. John's Wort is at the top for depression
Table of contents
Sydne Newberry, Susanne Hempel, Marika Booth, Brett Ewing, Alicia Ruelaz Maher, Claire O'Hanlon, Jennifer Sloan, Christine Anne Vaughan, Whitney Dudley, Roberta M. Shanman, Melony E. Sorbero
What are the efficacy and safety of omega-3 fatty acid supplements, as an adjunctive or monotherapy, for depressive symptoms and quality of life in adults with major depressive disorder compared with placebo or active comparator?
RAND researchers conducted a systematic review that synthesized evidence from randomized controlled trials of omega-3 fatty acids — used adjunctively or as monotherapy — to provide estimates of their efficacy and safety in treating adults with major depressive disorder.
Outcomes of interest included changes in depressive symptomatology, quality of life, and adverse effects. Efficacy meta-analyses used the Hartung-Knapp-Sidik-Jonkman method for random-effects models. Quality of evidence was assessed using a modification of the Grades of Recommendation, Assessment, Development, and Evaluation (or GRADE) approach.
In total, 24 studies met inclusion criteria. All studies combined showed a small but significant effect of omega-3 fatty acids compared with placebo on depression scale scores and the proportion of treatment responders, but there was evidence of publication bias. Only two studies compared eicosapentaenoic acid (EPA) with docosahexaenoic acid (DHA) head to head. Pooling studies of EPA alone and those with a high EPA:DHA ratio revealed a significant effect on depression scale scores and on the proportion of treatment responders compared with placebo, but studies that administered DHA alone or a high DHA:EPA ratio showed no effect. Very few studies specified depression severity, and few studies assessed effects on quality of life. Omega-3 fatty acids were associated with an increased risk for mild gastrointestinal symptoms compared with placebo but not with other categories of mild adverse events or serious adverse events.
The omega-3 fatty acid EPA may have a small benefit in improving depression symptoms compared with placebo, with relatively minor gastrointestinal adverse events for adults with MDD, but the existing evidence base is weak.
Eicosapentaenoic Acid (EPA) for Mild and Moderate Depression Might Have a Small Benefit, but the Evidence Base Is Weak
The review showed that dietary supplements of omega-3 fatty acids may have a small benefit in improving depression symptoms compared with placebo; however, the quality of evidence for this conclusion is weak.
Subgroup analyses indicated higher efficacy of supplements that contain EPA or higher concentrations of EPA than DHA.
Benefits compared with placebo were primarily based on monotherapy studies.
Too few studies assessed effects of omega-3 fatty acids on remission and quality of life to draw conclusions.
Omega-3 fatty acids were associated with an increased risk for mild gastrointestinal symptoms but not with other categories of adverse events or serious adverse events.
Based on our assessment of the limitations of the existing literature and the relatively low risks involved, we believe two large trials are warranted. One trial should employ a 2x2 factorial design to assess the effects of mono- and adjunctive therapy in patients who have already responded to antidepressant therapy. A second trial should assess the effects of EPA monotherapy in individuals who may not be able to take antidepressants, including community-dwelling elderly, pregnant/postpartum women, and those with end-stage renal disease.
Research on differential effects of omega-3 fatty acids for individuals of different depression severity are needed, particularly their use in severe depression.
Assessment is also needed to identify those most likely to respond, presumably via a simple rapid biomarker test.
Table of Contents
Discussion and Conclusions
Appendix A – Search Strategy
Appendix B – Evidence Table of Included Studies
Appendix C – Excluded Full-Text Articles
Appendix D – Depression Scale Standard Cut-Points
Appendix E – Funnel Plots for Comparisons with Publication Bias
Alicia Ruelaz Maher, Susanne Hempel, Eric Apaydin, Roberta M. Shanman, Marika Booth, Jeremy N. V. Miles, Melony E. Sorbero
Download the PDF from VitaminDWiki
What are the efficacy and safety of St. John's wort, as an adjunctive or monotherapy, for depressive symptoms and quality of life in adults with major depressive disorder compared with placebo or active comparator?
RAND researchers conducted a systematic review that synthesized evidence from randomized controlled trials of St. Johns wort (SJW) — used adjunctively or as monotherapy — to provide estimates of its efficacy and safety in treating adults with major depressive disorder.
Outcomes of interest included changes in depressive symptomatology, quality of life, and adverse effects. Efficacy meta-analyses used the Hartung-Knapp-Sidik-Jonkman method for random-effects models. Quality of evidence was assessed using the Grades of Recommendation, Assessment, Development, and Evaluation (GRADE) approach.
In total, 35 studies met inclusion criteria. There is moderate evidence, due to unexplained heterogeneity between studies, that depression improvement based on the number of treatment responders and depression scale scores favors SJW over placebo, and results are comparable to antidepressants. The existing evidence is based on studies testing SJW as monotherapy; there is a lack of evidence for SJW given as adjunct therapy to standard antidepressant therapy. We found no systematic difference between SJW extracts, but head-to-head trials are missing; LI 160 (0.3% hypericin, 1–4% hyperforin) was the extract with the greatest number of studies. Only two trials assessed quality of life. SJW adverse events reported in included trials were comparable to placebo, and were fewer compared with antidepressant medication; however, adverse event assessments were limited, and thus we have limited confidence in this conclusion.
- St. John's Wort for Mild and Moderate Depression Outperforms Placebo and Is Comparable to Antidepressants, but the Evidence Has Limitations
- The review showed that SJW given as monotherapy for mild and moderate depression is superior to placebo in improving symptoms and not significantly different from antidepressant medication; however, there was evidence of substantial heterogeneity between studies.
- There is low quality evidence of no statistically significant difference in the number of patients in remission compared with placebo and antidepressants.
- Only two trials assessed quality of life.
- SJW adverse events reported in included trials were comparable to placebo groups, and there were fewer compared with antidepressant medication; however, adverse event assessments were limited and inadequate for rare events.
- We found no systematic difference between SJW extracts, but head-to-head trials are missing; LI 160 (0.3% hypericin, 1–4% hyperforin) was the extract with the greatest number of studies.
Our conclusions are mostly in line with other reviews in this area. SJW is an effective treatment for mild and moderate major depressive disorder, with fewer adverse effects than standard antidepressants.
Reports of rare adverse events cannot be dismissed based on the existing randomized controlled trial data; larger studies with systematic adverse event assessments are needed.
While potential risks of drug interactions hinder research of SJW as an adjunctive treatment, research studies on SJW concomitant to psychotherapy are also missing.
Future research on the effectiveness of SJW should include more head-to-head trials between specific extracts and dosage of SJW.
As quality of life is greatly affected by major depressive disorder, more studies should include this measure.Depression treated somewhat by Omega-3 (St. John's Wort better) – RAND org reviews 2015
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