Recombinant erythropoietin for the treatment of anemia in inflammatory bowel disease

The New England Journal of Medicine
S SchreiberA Raedler

Abstract

Some patients with inflammatory bowel disease have anemia that is refractory to treatment with iron and vitamins. We examined whether administering iron and recombinant erythropoietin could raise hemoglobin levels in such patients. Thirty-four patients with inflammatory bowel disease (15 with ulcerative colitis and 19 with Crohn's disease) and anemia refractory to iron therapy (hemoglobin concentrations below 10.0 g per deciliter [6.2 mmol per liter]) were randomly assigned in a prospective, double-blind, 12-week trial to receive either oral iron (100 mg per day) and subcutaneous erythropoietin (150 U per kilogram of body weight twice per week) (n=17) or oral iron and placebo (n=17). The primary measure of efficacy was an increase in hemoglobin levels of more than 1.0 g per deciliter (0.62 mmol per liter). Additional analyses were performed with other patients with inflammatory bowel disease. The severity of anemia was related to clinical disease activity as well as to in vitro monocyte secretion of interleukin-1 beta, a proinflammatory cytokine. Serum erythropoietin concentrations were increased in 52 randomly selected outpatients with inflammatory bowel disease and anemia, but the concentrations were inadequate in relation to...Continue Reading

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Anemia develops when your blood lacks enough healthy red blood cells. Anemia of inflammation (AI, also called anemia of chronic disease) is a common, typically normocytic, normochromic anemia that is caused by an underlying inflammatory disease. Here is the latest research on anemia.