Based on this the present study will evaluate the effect of Aranesp® on the haematopoietic response in patients with advanced hormone independent prostate cancer and anemia. Moreover, the effect of Aranesp® on quality of life, hemoglobin, necessity for RBC transfusion and hospital admissions, will be evaluated. The study will be performed as an open randomized trial. The use of r-HuEPO in cancer patients has been established and registered in other settings (as supportive treatment), and it has been shown that the preparation can be given without significant side effects. On the contrary, it is likely that patients may benefit from additional improvement in wellbeing.