Effect of Vitamin D Supplementation on Synovial Tissue Volume and Subchondral Bone Marrow Lesion Volume in Symptomatic Knee Osteoarthritis

Thomas Perry, Matthew Parkes, Richard Hodgson, David Felson, Terence O'Neill, Nigel Arden

Research output: Contribution to journalArticlepeer-review

Abstract


Background: Data from a recent clinical trial of vitamin D therapy in knee OA suggests that, compared to placebo, vitamin D therapy may be associated with a reduction in effusion-synovitis. Our aim was, using contrast-enhanced (CE) magnetic resonance imaging (MRI), to examine the effect of vitamin D therapy on synovial tissue volume (STV) and also subchondral bone marrow lesion (BML) volume in men and women with symptomatic knee OA.

Methods: Data was acquired from participants who took part in a randomised placebo-controlled trial (UK VIDEO) investigating the effect of vitamin D therapy (800 IU cholecalciferol daily) on radiographic joint space narrowing. A subsample had serial CE MRI scans acquired during the trial. Subjects with serial images were assessed (N = 50) for STV and subchondral BML volume. The difference in the mean change from baseline in these structural outcomes between intervention and placebo groups was assessed using random-effects modelling.

Results: The mean age of the 50 subjects (24 active group, 26 placebo group) who contributed data to the analysis was 63.3 years (SD 6.5) and 74% were female. There was no significant difference at 2 years follow-up between the vitamin D and placebo groups in the mean change from baseline for STV (93.9 mm3, 95% CI -1605.0 to 1792.7) and subchondral BML volume (-313.5 mm3, 95% CI -4244.7 to 3617.7).

Conclusions: Vitamin D supplementation does not appear to have an effect on synovitis or BML volume in patients with symptomatic knee OA.
Original languageEnglish
JournalBMC Musculoskeletal Disorders
Early online date14 Feb 2019
DOIs
Publication statusPublished - 2019

Keywords

  • vitamin D
  • osteoarthritis
  • synovitis
  • bone marrow lesions (BMLs)

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