Rheumatoid arthritis

Frequency of joint inflammation is associated with local joint damage progression in rheumatoid arthritis despite long-term targeted treatment

RMD OpenPublished Secondary analysis of the BeSt study

Authors' conclusion

In RA, long-term cumulative local joint inflammation is associated with joint damage progression in the same joint.

Study context

Population
Patients with rheumatoid arthritis (RA) and available radiographs from the BeSt study, treated to target for a median of 10 years
Participants
473 patients
Primary endpoint
Association between cumulative local joint swelling (% of visits) and radiographic damage (% of maximum Sharp-Van der Heijde score) in the same joint
Methodological detailstreat-to-target (DAS ≤2.4), generalised linear mixed model, joint-level analysis, Joints assessed for swelling and tenderness every 3 months; hand and foot radiographs yearly
  • Treat-to-target (DAS ≤2.4)
  • Generalised linear mixed model
  • Joint-level analysis
  • Joints assessed for swelling and tenderness every 3 months; hand and foot radiographs yearly

Primary result

As reported in the abstract

Cumulative local joint swelling and local radiographic damage progression

β

0.14

95% CI 0.13 to 0.15

Further findings

Cumulative local joint tenderness without concurrent swelling and local radiographic damage progression

β
0.04 (95% CI 0.03 to 0.05)
  • Less strongly associated

Original publication

Frequency of joint inflammation is associated with local joint damage progression in rheumatoid arthritis despite long-term targeted treatment. RMD Open. Published 6 January 2023. doi:10.1136/rmdopen-2022-002552

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