Hand bone loss in early rheumatoid arthritis during a methotrexate-based treat-to-target strategy with or without adalimumab-a substudy of the optimized treatment algorithm in early RA (OPERA) trial

Lykke Midtbøll Ørnbjerg, Mikkel Østergaard, Tonny Jensen, K Hørslev-Petersen, Kristian Stengaard-Pedersen, Peter Junker, T Ellingsen, P Ahlquist, H Lindegaard, A Linauskas, A Schlemmer, Mette Yde Dam, I Hansen, T Lottenburger, C G Ammitzbøll, A. Jørgensen, Sophine Boysen Krintel, Johnny Raun, Merete Lund Hetland, Ole SlotLars Kjær Nielsen, Henrik Skjødt, Ole Majgaard, Tove Lorenzen, Hans Christian Horn, Marcin Kowalski, Inger Lauge Johansen, Peter Mosborg Pedersen, Natalia Manilo, Henning Bliddal, OPERA Study Group

5 Citationer (Scopus)

Abstract

This study aims to investigate 1-year hand bone loss (HBL1-year) in early rheumatoid arthritis (RA) patients treated with a methotrexate (MTX) and intra-articular triamcinolone treat-to-target strategy +/− adalimumab and to determine if HBL6months is associated with radiographic progression after 2 years. In a clinical trial (OPERA) of 180 treatment-naive early RA patients, bone mineral density (BMD) was estimated from hand radiographs with digital X-ray radiogrammetry (DXR) at baseline, after 6 (n = 90) and 12 months (n = 70) of follow-up. Baseline and 2-year radiographs were scored according to the Sharp/van der Heijde method. Baseline characteristics and HBL6months (0–6 months changes in DXR-BMD) were investigated as predictors of structural damage by univariate linear (∆ total Sharp/van der Heijde score (TSS) as dependent variable) and logistic (+/−radiographic progression (∆TSS >0) as dependent variable) regression analyses. Variables with p < 0.10 were included in multivariable models. In 70 patients with available HBL1-year data, HBL1-year was median (interquartile range (IQR)) −1.9 (−3.3; −0.26 mg/cm2) in the MTX + placebo group and −1.8 (−3.6; 0.06) mg/cm2 in the MTX + adalimumab group, p = 0.98, Wilcoxon signed-rank. Increased HBL (compared to general population reference values) was found in 26/37 and 23/33 patients in the MTX + placebo and MTX + adalimumab groups, chi-squared = 0.99. In 90 patients with HBL6months data and 2-year radiographic data, HBL6months was independently associated with ∆TSS after 2 years (β = −0.086 (95% confidence interval = −0.15; −0.025) TSS unit/mg/cm2 increase, p = 0.006) but not with presence of radiographic progression (∆TSS >0) (OR 0.96 (0.92–1.0), p = 0.10). In early RA patients treated with a methotrexate-based treat-to-target strategy, the majority of patients had increased HBL1-year, irrespective of adalimumab; HBL6months was independently associated with ∆TSS after 2 years.

OriginalsprogEngelsk
TidsskriftClinical Rheumatology
Vol/bind36
Udgave nummer4
Sider (fra-til)781-789
Antal sider9
ISSN0770-3198
DOI
StatusUdgivet - 1 apr. 2017

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