No overall progression and occasional repair of erosions despite persistent inflammation in adalimumab-treated rheumatoid arthritis patients: results from a longitudinal comparative MRI, ultrasonography, CT and radiography study

Abstract

AimTo monitor joint infl ammation and destruction in rheumatoid arthritis (RA) patients receiving adalimumab/ methotrexate combination therapy using MRI and ultrasonography. To assess the predictive value of MRI and ultrasonography for erosive progression on CT and compare MRI/ultrasonography/radiography for erosion detection/monitoring. Methods Fifty-two erosive biological-naive RA patients were followed with repeated MRI/ultrasonography/ radiography (0/6/12 months) and clinical/biochemical assessments during adalimumab/methotrexate combination therapy. Results No overall erosion progression or repair was observed at 6 or 12 months (Wilcoxon; p>0.05), but erosion progressors and regressors were observed using the smallest detectable change cut-off. Scores of MRI synovitis, grey-scale synovitis (GSS) and power Doppler ultrasonography decreased after 6 and 12 months (p<0.05), as did DAS28, HAQ and tender and swollen joint counts (p<0.001). Patients with progression on CT had higher baseline MRI bone oedema scores. The RR for CT progression in bones with versus without baseline MRI bone oedema was 3.8 (95% CI 1.5 to 9.3) and timeintegrated MRI bone oedema, power Doppler and GSS scores were higher in bones/joints with CT progression (Mann-Whitney; p<0.05). With CT as the reference method, sensitivities/specifi cities for erosion in metacarpophalangeal joints were 68%/92%, 44%/95% and 26%/98% for MRI, ultrasonography and radiography, respectively. Median intraobserver correlation coeffi cient was 0.95 (range 0.44-0.99). Conclusion During adalimumab/methotrexate combination therapy, no overall erosive progression or repair occurred, whereas repair of individual erosions was documented on MRI, and MRI and ultrasonography synovitis decreased. Infl ammation on MRI and ultrasonography, especially MRI bone oedema, was predictive for erosive progression on CT, at bone/joint level and MRI bone oedema also at patient level.Radiographic data from randomised placebocontrolled studies of rheumatoid arthritis (RA) patients show that erosive progression is arrested, and occasionally even reversed, when starting methotrexate and tumour necrosis factor alpha (TNFα) antagonist combination therapy. 1 -3 MRI is more sensitive than radiography for bone erosions, including erosive progression, and MRI enables visualisation of synovitis and bone oedema. 4 -7 Diminished size of MRI bone erosions during TNFα antagonist therapy was reported from a study of fi ve RA patients, 8 but no systematic MRI studies addressing the repair of erosions are available.Ultrasonography is also more sensitive for bone erosions than radiography, 5 9 -12 but follow-up data are few. 13 -16 Ultrasonography allows the detection of synovial thickening by grey-scale ultrasonography (B-mode) 5 17 and increased synovial blood fl ow using Doppler techniques. 18 -21 CT is considered a reference method for bone destructions, and is more sensitive for bone erosions than radiography, MRI and ultrasonography. 12 22 No longitudinal RA studies comparing MRI,...

Evaluation of Serum Interleukin‐6 Level as a Surrogate Marker of Synovial Inflammation and as a Factor of Structural Progression in Early Rheumatoid Arthritis: Results From a French National Multicenter Cohort

“…This might explain that the timeintegrated level of CRP was correlated with radiographic progression and IL-6 was not. Previous studies showing a correlation between cumulative levels of systemic inflammation and joint destruction assessed cumulative CRP burden as a proxy of joint inflammation (23,24,33). Interestingly, our data suggested that the impact of systemic inflammation on radiologic progression was independent from joint inflammation.…”

Summary Findings of a Systematic Literature Review of the Ultrasound Assessment of Bone Erosions in Rheumatoid Arthritis

“…The selected papers were then divided among the group members and assessed according to an agreed scoring sheet (for results of Evaluation score, see Table 1) 4,5,[8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40][41][42][43][44][45][46][47][48][49][50][51][52][53][54][55]…”

The impact of MRI on the clinical management of inflammatory arthritides

“…A high level of agreement for detection of bone erosions in wrist and MCP joints in RA patients (concordance at 77-90% of sites) between MRI and computed tomography (CT), the gold standard reference for detection of bony Old transspinal fracture through syndesmophytes, vertebral disc, and posterior elements of the spine (solid arrows) with marked secondary degenerative changes destruction, documents that MRI erosions represent true bone damage [68][69][70][71].…”