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  • Title: Adalimumab maintenance therapy for Crohn's disease with intolerance or lost response to infliximab: an open-label study.
    Author: Peyrin-Biroulet L, Laclotte C, Bigard MA.
    Journal: Aliment Pharmacol Ther; 2007 Mar 15; 25(6):675-80. PubMed ID: 17311600.
    Abstract:
    BACKGROUND: Adalimumab is effective in inducing remission in patients with active Crohn's disease who had secondary failure to infliximab therapy. AIM: 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. METHODS: 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. RESULTS: 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. CONCLUSIONS: 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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