* Patients and Methods: All haemodialysis patients in Qatar who were treated with short acting Epoetin alfa or beta were screened. Eligible patients were randomized, either to continue on the previous regimen of Epoetin, or to receive Darbepoetin alfa or continuous erythropoietin receptor activator (C.E.R.A) for a total period of 40 weeks. All groups were assessed at the end of the study for safety and efficacy parameters.