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  • Title: Therapeutic efficacy of infliximab on active Crohn's disease under nutritional therapy.
    Author: Matsumoto T, Iida M, Kohgo Y, Imamura A, Kusugami K, Nakano H, Fujiyama Y, Matsu T, Hibi T.
    Journal: Scand J Gastroenterol; 2005 Dec; 40(12):1423-30. PubMed ID: 16316890.
    Abstract:
    OBJECTIVE: The aim of this investigation was to elucidate retrospectively the therapeutic effect of infliximab in patients with active Crohn's disease (CD) under nutritional therapy. MATERIAL AND METHODS: Using a review of the clinical records in 24 nationwide institutions specializing in inflammatory bowel disease, the short-term effect of infliximab in 97 patients with active CD was retrospectively investigated. The Crohn's disease activity index (CDAI) at baseline and after 2 weeks of a single infliximab administration (5 mg/kg) was compared among patients under total parenteral nutrition (TPN group, n=36), those following an elemental or polymeric diet (EN group, n=49) and those without TPN and EN (NN group, n=12). A decrease in CDAI >or= 70 or a CDAI value <150 at 2 weeks was regarded as effective. RESULTS: There was no difference in CDAI at baseline among the three groups. In each group, CDAI decreased significantly (from 250 (195-290) [median (interquartiles)] to 152 (123-233) in the TPN group, p<0.0001; from 259 (200-325) to 180 (130-238) in the EN group, p<0.0001; from 278 (222-291) to 164 (132-196) in the NN group, p=0.003). Infliximab was effective in 63.9% of patients in the TPN group, in 55.1% of those in the EN group and in 75% of the NN group. There was no statistical difference in efficacy among the three groups (p=0.4). Multivariate logistic regression analysis revealed younger age to be a significant factor related to the efficacy of infliximab. CONCLUSIONS: Infliximab is effective in patients with CD under TPN or EN. Age at infliximab administration may be predictive of response to infliximab.
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