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Review article: steroid resistance in inflammatory bowel disease - mechanisms and therapeutic strategies Creed TJ; Probert CSAliment Pharmacol Ther 2007[Jan]; 25 (2): 111-22BACKGROUND: Steroid resistance in inflammatory bowel disease presents a difficult clinical challenge. The advent of biological therapies coupled with an increasing understanding of the pathogenesis of inflammatory bowel disease has provided new therapeutic options. METHODS: We review the available literature of the mechanisms behind steroid resistance. In addition, we outline some of the options available for treating those patients who fail to respond adequately to glucocorticoids. RESULTS: Approximately 30% of patients prescribed glucocorticoids will not achieve clinical remission. Many such patients are offered immunosuppressive or, recently, biological agents. However, these agents are ineffective in a large proportion of patients. Immunosuppressive agents only bring 40-60% of patients into remission, and biological agents typically induce remission in just 40% of patients. In this review, the possible explanations for glucocorticoid resistance are discussed. Recent evidence suggests that in many patients it is mediated by interleukin-2. Basiliximab, a biological agent that interrupts interleukin-2 signalling, has shown significant benefit in early clinical studies. CONCLUSIONS: Patients who fail to respond to steroid therapy should have alternative agents introduced in a timely fashion. Steroid refractory inflammatory bowel disease remains a difficult condition to treat, but new therapies and managements are emerging.|*Drug Resistance[MESH]|Biological Therapy[MESH]|Humans[MESH]|Inflammatory Bowel Diseases/*drug therapy[MESH]|Steroids/*therapeutic use[MESH] |
