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  • Title: Randomized study of darbepoetin alfa and recombinant human erythropoietin for treatment of renal anemia in chronic renal failure patients receiving peritoneal dialysis.
    Author: Li WY, Chu TS, Huang JW, Wu MS, Wu KD.
    Journal: J Formos Med Assoc; 2008 Nov; 107(11):843-50. PubMed ID: 18971153.
    Abstract:
    BACKGROUND/PURPOSE: Darbepoetin alfa can be administered less frequently than recombinant human erythropoietin (r-HuEPO) for the treatment of anemia in chronic renal failure (CRF) patients. We aimed to confirm that darbepoetin alfa at a reduced dosing schedule can safely maintain a target hemoglobin level in CRF patients undergoing peritoneal dialysis. METHODS: Forty-five PD patients receiving r-HuEPO were randomized in a 1:1 ratio to continue r-HuEPO or to change to darbepoetin alfa (open-label). Patients were maintained within a target range of haemoglobin for 5.5 months by adjusting the dose and then the frequency of darbepoetin alfa and r-HuEPO over the initial 4 months. The evaluation period was the final 1.5 months. A total of 37 patients completed the study. RESULTS: During the evaluation period, the hemoglobin of the darbepoetin alfa group was higher than that in the baseline period (10.46 +/- 0.22 g/dL vs. 9.98 +/- 0.18 g/dL, p < 0.05). Hemoglobin remained similar in the r-HuEPO group. The average dose in the darbepoetin alfa group was 93.0 microg/month, while the average dose in the r-HuEPO group was 18,339.9 units/month. The dosing frequency was less in the darbepoetin alfa group (3.9 times/month vs. 9.2 times/month). We divided the darbepoetin alfa group into low-dose (< 70 microg/month) and high-dose (> or = 70 microg/month) subgroups. The body weight in the high-dose group was higher than that in the low-dose group (66 +/- 11 kg vs. 52 +/- 4.4 kg, p < 0.01). CONCLUSION: Both darbepoetin alfa and r-HuEPO safely maintain hemoglobin levels within the target range in peritoneal dialysis patients.
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