Osteoarthritis

Association of biochemical markers with bone marrow lesion changes on imaging—data from the Foundation for the National Institutes of Health Osteoarthritis Biomarkers Consortium

Arthritis Res TherPublished Prospective cohort study

Authors' conclusion

Short-term changes in serum CTX-I, hsPRO-C2, and urinary CTX-Iβ hold the potential to be prognostic of BML progression on MRI.

Study context

Population
Knee Osteoarthritis (OA), FNIH OA Biomarkers Consortium within the Osteoarthritis Initiative
Participants
600 participants
Outcome
Change in number of knee subregions affected by any BML (MRI Osteoarthritis Knee Score (MOAKS), 0-3, 15 subregions) on MRI, by 12-month change in biochemical markers
Follow-up
24 months
Methodological detailsnested within the Osteoarthritis Initiative, regression models adjusted for covariates
  • Nested within the Osteoarthritis Initiative
  • Regression models adjusted for covariates

Main finding

As reported in the abstract

Change in number of subregions affected by any BML vs 12-month change in biochemical markers
  • Increases in serum CTX-I over 12 months associated with increased odds of changes in number of subregions affected by any BML
  • Increases in urinary CTX-Iβ over 12 months associated with increased odds of changes in number of subregions affected by any BML
  • Increase in hsPRO-C2 associated with decreased odds of worsening in number of subregions affected by any BML

Observational data: associations, not effects.

Further findings

Tissue turnover and inflammation markers (C1M, C2M, C3M, hsPRO-C2, CRPM) and bone marrow lesions (BMLs) at baseline

C1M and C3M associated with BMLs affected at baseline

Original publication

Association of biochemical markers with bone marrow lesion changes on imaging—data from the Foundation for the National Institutes of Health Osteoarthritis Biomarkers Consortium. Arthritis Res Ther. Published 18 January 2024. doi:10.1186/s13075-023-03253-x

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