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Effectiveness and safety of recombinant human erythropoietin in predialysis patients. Austrian Multicenter Study Group of r-HuEPO in Predialysis Patients.

Experience with erythropoietin in the treatment of anemia in predialysis patients is limited. A practical treatment regimen which minimized the number of outpatient visits was investigated. The Austrian multicenter study included 123 patients. At baseline, the treatment protocol mandated once weekly the administration of 10,000 U recombinant human erythropoietin (r-HuEPO) subcutaneously. The follow-up period was 3 months, and dose adjustments were made at montly intervals. At baseline, the mean values for creatinine were 6.2 +/- 0.2 mg/dl, and for hemoglobin (Hb) 9.0 g/dl. During 3 months of therapy, mean Hb increased to 10.8 g/dl and creatinine to 6.6 mg/dl. The initial r-HuEPO weekly dose was 10,000 U. The mean dose after 3 months was 9,000 +/- 4,000 U. There was no significant alteration of the slope of the reciprocal creatinine curve or of blood pressure values. No side effects occurred during the 3-month treatment period. In conclusion, the results of this multicenter trial demonstrate that using a simple once-weekly subcutaneous treatment regime, r-HuEPO can be administered safely and effectively in predialysis patients.