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Koutroubakis IE, Karmiris K, Makreas S, Xidakis C, Niniraki M, Kouroumalis EA.
Eur J Gastroenterol Hepatol. 2006 Apr;18(4):421-5.
BACKGROUND: The combination of intravenous iron and recombinant human erythropoietin has been proved to be effective in the treatment of refractory anaemia in patients with inflammatory bowel disease (IBD). Darbepoetin-alpha (DPO) has a three-fold longer terminal half-life than erythropoietin. The purpose of this pilot study was to determine whether darbepoetin-alpha is also effective for the treatment of refractory anaemia in IBD.
METHODS: Twenty IBD patients (nine ulcerative colitis and 11 Crohn's disease) and refractory anaemia received intravenous iron sucrose (total iron dose 1.3+/-0.5 g, range 0.7-1.9) and darbepoetin-alfa at the single, weekly dose of 0.9 microg/kg subcutaneously for 4 weeks. Serum erythropoietin, ferritin, transferrin, soluble transferrin receptor, C-reactive protein and interleukin-6 were measured at baseline and after treatment.
RESULTS: Haematopoietic response (increase of haemoglobin > or = 2.0 g/dl) was observed in 15 out of the 20 patients (75%). The mean haemoglobin concentrations increased from 9.48+/-0.82 g/dl at baseline to 12.71+/-1.12 g/dl after treatment (P<0.0001). Mean corpuscular volume and serum ferritin levels were also significantly increased whereas mean C-reactive protein levels and endogenous erythropoietin levels significantly decreased after treatment.
CONCLUSIONS: In IBD patients with refractory anaemia the administration of darbepoetin in combination with intravenous iron sucrose can raise haemoglobin levels.