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Biologicals. 2010 Sep;38(5):567-9. doi: 10.1016/j.biologicals.2010.05.003. Epub 2010 Jul 16.

Effects of anti-TNF therapy on glucose metabolism in patients with ankylosing spondylitis, psoriatic arthritis or juvenile idiopathic arthritis.

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1
Department of Biomedicine, City University of São Paulo, São Paulo, Brazil.

Abstract

The objective of this study was to evaluate the influence of anti-tumor necrosis factor (anti-TNF) in juvenile idiopathic arthritis (JIA), ankylosing spondylitis (AS) or psoriatic arthritis (PsA). Sixty-two patients were investigated: 7 JIA; 37 AS; and 18 PsA. Caucasian race accounted for 79% and 29% were female. Mean age was 40.4 +/- 12.6 years. None of the patients had a history of diabetes, and none had used oral hypoglycemic agents or insulin. Treatment was with adalimumab, infliximab and etanercept. Glucose, inflammatory markers and prednisone dose were assessed at baseline, as well as after three and six months of treatment. The mean erythrocyte sedimentation rate was significantly lower at three months and six months than at baseline (13.7 +/- 18.0 and 18 +/- 22.5 vs. 27.9 +/- 23.4 mm; p = 0.001). At baseline, three months and six months, we found the following: mean C-reactive protein levels were comparable (22.1 +/- 22.7, 14.5 +/- 30.7 and 16.0 +/- 23.8 mg/L, respectively; p = 0.26); mean glucose levels remained unchanged (90.8 +/- 22.2 mg/dl, 89.5 +/- 14.6 mg/dl and 89.8 +/- 13.6 mg/dl, respectively; p = 0.91); and mean prednisone doses were low and stable (3.9 +/- 4.9 mg/day, 3.7 +/- 4.8 mg/day and 2.6 +/- 4.0 mg/day, respectively; p = 0.23). During the first six months of treatment, anti-TNF therapy does not seem to influence glucose metabolism in JIA, AS or PsA.

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