Spondyloarthritis & psoriatic arthritis

Multimodal imaging of structural damage and inflammation in psoriatic arthritis: a comparison of DMARD-naive and DMARD-failure patients

Rheumatology (Oxford)Published Cross-sectional study

Authors' conclusion

At baseline, PsA patient groups were comparable concerning structural and inflammatory imaging parameters, especially after correcting for patient characteristics.

Study context

Population
Patients with active PsA meeting classification criteria, minimum disease duration of eight weeks, first cohort of the multicentre TOFA-PREDICT trial
Participants
80 patients
Exposure
DMARD-naive vs DMARD-failure PsA patients
  • DMARD-naiven = 40reference
  • DMARD-failuren = 40
Outcome
Inflammatory and structural imaging parameters (radiographs of hands and feet, MRI of both ankles, whole-body 18F-FDG PET/CT; incl. SHS, HEMRIS, Deauville synovitis score)
Follow-up
Baseline
Methodological detailsbaseline analysis of the multicentre TOFA-PREDICT trial, multiple linear regression
  • Baseline analysis of the multicentre TOFA-PREDICT trial
  • Multiple linear regression

Main finding

As reported in the abstract

Inflammatory imaging parameters not significantly different
P > 0.200
HEMRIS Achilles tendon structural damage significantly different, higher in DMARD failures
P = 0.024, R2 = 0.071
SHS Joint Space Narrowing not statistically significant, higher in DMARD failures
P = 0.050, R2 = 0.048
After correction for patient characteristics, these differences disappeared
both P > 0.600

Observational data: associations, not effects.

Original publication

Multimodal imaging of structural damage and inflammation in psoriatic arthritis: a comparison of DMARD-naive and DMARD-failure patients. Rheumatology (Oxford). Published 17 August 2024. doi:10.1093/rheumatology/keae450

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