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Goldilocks, vitamin D and sarcoidosis
Arthritis Research & Therapy
|August 29, 2014
Summary
For sarcoidosis patients, maintaining vitamin D levels between 10 and 20 ng/ml may reduce bone fracture risk. Excess vitamin D supplementation could paradoxically increase fracture and hypercalcemia risks.
Area of Science:
- Endocrinology
- Bone Metabolism
- Sarcoidosis Research
Background:
- Vitamin D deficiency is linked to osteoporosis, but excessive levels can cause hypercalcemia and hypercalcuria, particularly in sarcoidosis patients.
- The optimal vitamin D range for bone health in sarcoidosis is not well-defined, with potential risks associated with both deficiency and excess.
Discussion:
- This study investigated the relationship between 25-(OH) vitamin D levels and bone fragility fractures in a sarcoidosis cohort.
- Researchers compared vitamin D levels with fracture incidence to identify a potential threshold for increased risk.
Key Insights:
- A 25-(OH) vitamin D level between 10 and 20 ng/ml was associated with the lowest risk of bone fractures in sarcoidosis patients.
- Paradoxically, higher vitamin D levels were linked to an increased risk of bone fractures, suggesting a non-linear relationship.
Outlook:
- Findings suggest that current vitamin D supplementation strategies for sarcoidosis patients may need adjustment.
- Moderating vitamin D supplementation could potentially mitigate risks of both bone fractures and hypercalcemia in this population.
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