STAAR-1 Clinical Study

To assess the effect of Aranesp on the hemoglobin of CRI subjectswho are recombinant human erythropoetin (rHuEPO)-naïve or converting from rHuEPO therapy and to assess the association between subject self-reported health-related quality of life (HRQoL) as it relates to Hgb concentration and glomerular filtration rate (GFR) in subjects who were rHuEPO-naïve prior to study enrollment. To characterize the health-related resource utilization of subjects with CRI. To characterize the subject satisfaction with Aranesp™ compared to previous rHuEPO therapy. To characterize iron treatment in subjects with CRI. To assess the safety profile of Aranesp™ therapy in subjects with CRI.