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  • Title: Carbohydrate and lipid metabolism following infliximab therapy in pediatric Crohn's disease.
    Author: Steiner SJ, Pfefferkorn MD, Fitzgerald JF, Denne SC.
    Journal: Pediatr Res; 2008 Dec; 64(6):673-6. PubMed ID: 18679167.
    Abstract:
    Improvements in insulin resistance after anti-TNF-alpha therapy have been reported in inflammatory conditions, although no changes were noted in adult patients with Crohn's disease. There is no information concerning insulin resistance and substrate metabolism in children with Crohn's disease after anti-TNF-alpha therapy. Our aim was to describe changes in carbohydrate and lipid metabolism in children with active Crohn's disease after their initial dose of infliximab. Children with active Crohn's disease underwent measurement of plasma insulin and glucose just before and 2 wk after their initial infusion of infliximab, an anti-TNF-alpha antibody. In addition, resting energy expenditure, with determination of both carbohydrate and lipid oxidation rates, was determined. Measurements were conducted in both fasting and parenterally fed states. Despite no changes in resting energy expenditure, a significant reduction (p < 0.05) in RQ (5%) and carbohydrate oxidation rate (24%), with a corresponding increase in lipid oxidation rate (42%) was found during parenteral nutrition infusion. No differences in plasma insulin, glucose, and insulin resistance were noted when comparing pre- and postinfliximab measurements.
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