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A protocol to review of vitamin D supplementation in depression in adults – Aug 2013

Efficacy of vitamin D supplementation in depression in adults: a systematic review protocol.

Syst Rev. 2013 Aug 8;2:64. doi: 10.1186/2046-4053-2-64.
Li G, Mbuagbaw L, Samaan Z, Zhang S, Adachi JD, Papaioannou A, Thabane L.
Department of Clinical Epidemiology & Biostatistics, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L8, Canada.

BACKGROUND: The role of vitamin D in management of depression is unclear. Results from observational and emerging randomized controlled trials (RCTs) investigating the efficacy of vitamin D in depression lack consistency - with some suggesting a positive association while others show a negative or inconclusive association.

METHODS/DESIGN: The primary aim of this study is to conduct a systematic review of RCTs to assess the effect of oral vitamin D supplementation versus placebo on depression symptoms measured by scales and the proportion of patients with symptomatic improvement according to the authors' original definition. Secondary aims include assessing the change in quality of life, adverse events and treatment discontinuation. We will conduct the systematic review and meta-analysis according to the recommendations of the Cochrane Handbook for Systematic Reviews of Interventions. We will search the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE (1966 to present), EMBASE (1980 to present), CINAHL (1982 to present), PsychINFO (1967 to present) and ClinicalTrials.gov. Unpublished work will be identified by searching two major conferences: the International Vitamin Conference, the Anxiety Disorders and Depression Conference, while grey literature will be acquired by contacting authors of included studies. We will use the random-effects meta-analysis to synthesize the data by pooling the results of included studies.

DISCUSSION: The results of this systematic review will be helpful in clarifying the efficacy of vitamin D supplementation and providing evidence to establish guidelines for implementation of vitamin D for depression in general practice and other relevant settings.

PMID: 23927040


PDF is attached at the bottom of this page

Contains a nice list of search terms

Vitamin D supplementation

1. Vitamin D/explode
2. vitamin D
3. vitamin D2
4. vitamin D3
5. 1-alpha hydroxyvitamin D3
6. 1-alpha-hydroxy-vitamin D3
7. 1-alpha hydroxycalciferol
8. 1-alpha-hydroxy-calciferol
9. 1,25 dihydroxyvitamin D3
10. 1,25-dihydroxy-vitamin D3
11. 1,25 dihydroxycholecalciferol
12. 1,25-dihydroxycholecalciferol
13. 25-hydroxycholecalciferol
14. 25 hydroxycholecalciferol
15. 25 hydroxyvitamin D
16. 25-hydroxy-vitamin D
17. alfacalcidol
18. calcidiol
19. calcitriol
20. calcifediol
21. calciferol
22. ergocalciferol
23. cholecalciferol
24. OR/1-23

Search for depression

25. Depress*
26. Dysthymi*
27. Adjustment Disorder*
28. Mood Disorder*
29. Affective Disorder
30. Affective Symptoms
31. OR/25-30

Search for randomized controlled trials

32. trial
33. clinical trial
34. random* controlled trial
35. RCT
36. group*
37. experiment*
38. intervention
39. placebo
40. OR/32-39

Search for combinations

41. 24 AND 31 AND 40

See also VitaminDWiki

Attached files

ID Name Comment Uploaded Size Downloads
3226 Protcol depression.pdf PDF - 2013 admin 09 Nov, 2013 12:19 186.90 Kb 381
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