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Aliment Pharmacol Ther. 2007 Mar 15;25(6):675-80.

Adalimumab maintenance therapy for Crohn's disease with intolerance or lost response to infliximab: an open-label study.

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  • 1Department of Hepato-Gastroenterology, University Hospital of Nancy, Vandoeuvre-les-Nancy, France.



Adalimumab is effective in inducing remission in patients with active Crohn's disease who had secondary failure to infliximab therapy.


To evaluate the efficacy and safety of adalimumab maintenance therapy in Crohn's disease patients who previously responded to infliximab and then lost response or became intolerant.


Twenty-four patients with Crohn's disease were enrolled in a 52-week open-label trial. The patients received a loading dose of adalimumab 80-mg at week 0, and then 40 mg every other week starting at week 2. The primary efficacy measure was clinical remission defined as Crohn's Disease Activity Index score < 150 at week 52.


Five patients lost response to adalimumab. None of the patients experienced intolerance to adalimumab. Clinical remission rates were higher at weeks 4 (16/24, 67%) and 52 (14/24, 58%) compared with baseline (8/24, 35%) (P=0.043 at week 52). This was accompanied by a decrease in mean C-reactive protein concentration from 31.8 mg/mL at baseline to 9.7 mg/mL at week 52, and 3/4 (75%) patients achieved steroid-free remission. No serious toxicities occurred in the study.


Adalimumab is well tolerated and appears to be effective in maintaining clinical remission in patients with Crohn's disease and lost response or intolerance to infliximab.

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