Public Health Nutr. 2018 Mar 21:1-16. doi: 10.1017/S1368980018000551. Epub ahead of print
Wu Z1, Malihi Z1, Stewart AW1, Lawes CM1, Scragg R1.
Strangely, the study lists two other sets of pain trials, but did not analyze them
Chronic lower back
Pain - chronic category has the following
- Overview Pain and Vitamin D
- Percentage of people with pain increased 25 percent in 18 years – Jan 2019
- Pain not reduced by 60,000 IU monthly vitamin D (need 50,000 IU weekly) – RCT Aug 2023
- Overview Fibromyalgia or Chronic Fatigue and vitamin D
- Overview Rheumatoid Arthritis and vitamin D
- Shingles and vitamin D
- Shin splints decrease with vitamin D
- Migraine and Vitamin D
- Headache category
- "musculoskeletal pain" 490 items as of Aug 2023
- "chronic fatigue" 185 items as of Jan 2017
- Category Back Pain
- 7 pain studies in VitaminDWiki with KNEE in the title as of Aug 2023 (see below)
- Opioid OR Opiate OR Morphine in the title 10 pages as of June 2021
The PDF was available on Sci-Hub.tw as of April 2018
Pain-related conditions, such as chronic widespread pain and fibromyalgia, are major burdens for individuals and the health system. Evidence from previous research on the association between circulating 25-hydroxyvitamin D (25(OH)D) concentrations and pain is conflicting. Thus, we aimed to determine if there is an association between mean 25(OH)D concentration (primary aim), or proportion of hypovitaminosis D (secondary aim), and pain conditions in observational studies.
Published observational research on 25(OH)D concentration and pain-related conditions was systematically searched for in electronic sources (MEDLINE, EMBASE and Cochrane Central Register of Controlled Trials) and a random-effects meta-analysis was conducted on included studies.
Eighty-one observational studies with a total of 50 834 participants were identified. Compared with controls, mean 25(OH)D concentration was significantly lower in patients with
- arthritis (mean difference (MD): -12·34 nmol/l; P<0·001),
- muscle pain (MD: -8·97 nmol/l; P=0·003) and
- chronic widespread pain (MD: -7·77 nmol/l; P<0·001),
but not in patients with headache or migraine (MD: -2·53 nmol/l; P=0·06).
The odds of vitamin D deficiency was increased for arthritis, muscle pain and chronic widespread pain, but not for headache or migraine, compared with controls. Sensitivity analyses revealed similar results.
A significantly lower 25(OH)D concentration was observed in patients with arthritis, muscle pain and chronic widespread pain, compared with those without. These results suggest that low 25(OH)D concentrations may be associated with pain conditions.
PMID: 29559013 DOI: 10.1017/S1368980018000551Widespread pain, arthritis pain and muscle pain are associated with low vitamin D – meta-analysis March 2018
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