Affiliation:
1. 1st Department of Medicine, Christian-Albrechts-Universtität Kiel, Schittenhelmstrasse 12, D-24105 Kiel, Germany. s.mascheretti@mucosa.de
Abstract
TNF-α plays a central role in the pathophysiology of Crohn’s disease. Infliximab, a chimeric monoclonal antibody against TNF-α, has been shown to be effective and well-tolerated in several large placebo-controlled trials and has become a common treatment for Crohn’s disease. The blockade of TNF through the infusion of infliximab is characterized by high clinical efficacy and rapid onset of action. A single infusion of infliximab results in a remission rate of 30–40%. Lack of response appears to be a stable trait even after repeated infusions, suggesting that it might be genetically determined. Mutations in the TNF-α gene have been extensively studied as predictors of response with various results. Polymorphisms in the TNF-α receptors TNF-R1 and TNF-R2 have been found not to be associated with treatment response. Similarly, the three mutations in the CARD15 gene, which are independently associated with susceptibility to Crohn’s disease, have also been found not to be associated with treatment response.
Subject
Pharmacology,Genetics,Molecular Medicine
Cited by
20 articles.
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