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Management of Crohn's disease in poor responders to adalimumab

Authors de Boer N, Löwenberg M, Hoentjen F

Received 28 January 2014

Accepted for publication 25 February 2014

Published 11 April 2014 Volume 2014:7 Pages 83—92

DOI https://doi.org/10.2147/CEG.S47627

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2


Nanne KH de Boer,1 Mark Löwenberg,2 Frank Hoentjen3

1Department of Gastroenterology and Hepatology, VU University Medical Center, Amsterdam, the Netherlands; 2Department of Gastroenterology and Hepatology, Academic Medical Center, Amsterdam, the Netherlands; 3Department of Gastroenterology and Hepatology, Radboud University Medical Center, Nijmegen, the Netherlands

Abstract: Anti-tumor necrosis factor therapy with adalimumab is an effective therapy for the induction and maintenance of remission in moderate to severe Crohn's disease. Although a large proportion of patients show a favorable clinical response to adalimumab, therapy failure is common. In this review, we provide a practical overview of adalimumab therapy in patients with Crohn's disease, with a specific focus on the clinical management of adalimumab failure. In the case of inadequate efficacy, a thorough assessment is required to confirm inflammatory disease activity and rule out noninflammatory causes. Evaluation may include biomarkers (fecal calprotectin and serum C-reactive protein), colonoscopy, and/or magnetic resonance enterography/enteroclysis. Furthermore, adalimumab trough levels and antibodies to adalimumab are informational after the confirmation of active inflammation. In the case of low or undetectable adalimumab trough levels, dose escalation to 40 mg weekly is recommended, whereas high antibody titers or adverse events frequently require switching to an alternative anti-TNF agent such as infliximab. Active inflammation despite therapeutic adalimumab trough levels requires alternative strategies such as switching to drugs with a different mode of action or surgical intervention.

Keywords: anti-TNF, biological, inflammatory bowel disease, loss of response, infliximab


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