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Relationship of patient-reported outcomes with MRI measures in rheumatoid arthritis

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PURPOSE: We assessed whether MRI measures of synovitis, osteitis and bone erosion were associated with patient-reported outcomes (PROs) in a longitudinal clinical trial setting among patients with rheumatoid arthritis (RA).

METHODS: This longitudinal cohort of 291 patients with RA was derived from the MRI substudy of the GO-BEFORE randomised controlled trial of golimumab among methotrexate-naïve patients. Correlations between RAMRIS scores (synovitis, osteitis, bone erosion) and physical function (Health Assessment Questionnaire (HAQ)), pain and global patient scores were determined at 0, 12, 24 and 52 weeks. Correlations between interval changes were also assessed. Multivariable regression models using robust generalised estimating equations evaluated associations over all time-points and their relationship to other clinical disease activity measures.

RESULTS: Greater synovitis, osteitis and bone erosion scores were positively associated with HAQ at all time-points (all p<0.05) and with pain and patient global scores at 24 and 52 weeks. Over all visits, synovitis was associated with HAQ, pain and patient global scores (p≤0.03) independent of clinical disease activity measures. Improvements in synovitis and bone erosion were also associated with improvements in PROs. Less improvement in synovitis and progression in MRI erosion at 52 weeks were both independently associated with worsening in all PROs at 52 weeks while progression on X-ray was not associated. Similar associations were observed across treatment groups.

CONCLUSIONS: MRI measures of inflammation and structural damage correlate independently with physical function, pain and patient global assessments. These observations support the validity of MRI biomarkers.

TRIAL REGISTRATION NUMBER: NCT00264537; Post-results.

OriginalsprogEngelsk
TidsskriftAnnals of the Rheumatic Diseases
Vol/bind76
Udgave nummer3
Sider (fra-til)486-490
Antal sider5
ISSN0003-4967
DOI
StatusUdgivet - mar. 2017

ID: 52743452