Inclusion Criteria: - Subjects who are greater than 6 months post-renal transplant (living or cadaveric) - Using adequate contraceptive precaution, if of childbearing potential - Available for follow-up assessments and dosing visits - Hb concentration less than 11.0 g/dL within 3 months of screening and a hemoglobin concentration less than 11.0 during the screening period Exclusion Criteria: - Expected to initiate dialysis or transplantation or be scheduled for a kidney transplant within 6 months of study start, or have less than 1 year life expectancy - Systemic hematologic disease, myeloma, hemolytic anemia, or malignancy (excluding basal cell carcinoma) - Active systemic or chronic infection - Uncontrolled hypertension defined as diastolic blood pressure greater than 110 mm Hg on 2 separate occasions during the 2 weeks prior to screening - Known hypersensitivity to Aranesp® or any of the product's excipients - Disorders that compromise the ability of the subject to give written informed consent and/or to comply with study procedures - Use of any erythropoietic protein or androgen therapy within the 12 weeks prior to screening - Females who are pregnant or breast-feeding

• Currently enrolled in or received treatment in an investigational drug/device trial within the past 30 days - Have previously been enrolled in this study - Recent history (within 12 weeks prior to screening) of severe cardiovascular events, grand mal seizure, dialysis or major surgery - Have received a red blood cell transfusion(s) within 8 weeks prior to screening, or currently have active bleeding