Journal
DIGESTIVE AND LIVER DISEASE
Volume 49, Issue 2, Pages 163-169Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.dld.2016.11.002
Keywords
Anti-TNF; Optimization; Therapeutic strategy
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Background: Although adalimumab is effective in Crohn's disease, most patients experience a loss of response over time. The aim of the present study was to evaluate efficacy and safety of adalimumab dose escalation and identify predictors of a clinical response in Crohn's disease patients with a secondary loss of response. Methods: We performed a retrospective and observational study including all Crohn's disease patients who underwent dose escalation of adalimumab after a secondary loss of response from 2007 to 2015. Results: A clinical response was observed in 99/124 (79%) patients at 3 months and in 62/107 (61%) patients at 12 months. The predictive factors of response to ADA dose escalation at 12 months on multivariate analysis were: maintenance therapy of 40 mg every week rather than 80 mg every other week (OR 3.64, 95% Cl: 1.28-10.37) and a CRP level <= 5 mg/L at adalimumab dose escalation (OR 6.64, 95% Cl: 1.40-27.53). Adalimumab was withdrawn in 4 patients due to side effects. Conclusions: Adalimumab dose escalation is an effective and well-tolerated therapeutic option in patients with secondary loss of response. A 40 mg every week optimized regimen was predictive of a response to ADA dose escalation. (C) 2016 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.
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