Vitamin D trial detected no bone-density change after spinal cord injury
A placebo-controlled study tested whether supplementation affected bone density in people with longstanding spinal cord injury and low vitamin D.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
In people with chronic spinal cord injury, 12 months of vitamin D supplementation did not produce a detected change in bone mineral density. This finding concerns a secondary outcome in a specific clinical population. It leaves uncertainty about the size of any possible effect and does not establish that supplementation is ineffective in every setting.
The abstract provides no bone-density effect estimates or confidence intervals, limiting assessment of the range of effects compatible with the reported results.
What researchers found
Bone mineral density
Baseline to 12 months across measured sites; vitamin D schedules were tested against placebo, but no between-group estimate is given.
What was measured
Researchers measured density at the radius, femoral neck, distal femur and proximal tibia. These were bone measurements; the abstract does not report whether supplementation changed fracture occurrence or other patient-important outcomes.
Vitamin levels and bone density
Only a minority of participants receiving supplementation reached the study's vitamin D sufficiency threshold. The authors also found no evidence that the examined characteristics, including injury level or smoking, modified the bone-density result.
The original publication
Vitamin D supplementation has no effect on bone mineral density in individuals with chronic spinal cord injury - results from a randomized controlled trial.
Hertig-Godeschalk A, Flueck JL, Perret C et al.
Spinal Cord · 2026
- PubMed ID
- 41266848
- Record checked
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