The Clinical Study to Evaluate Immunogenicity of Epodion® in Anemia Associated With CKD Patients

Inclusion Criteria: * Patients who have anemia associated with Chronic Kidney Disease (CKD) under hemodialysis treatment. * Male or female patients aged ≥18 years. * Patients with mean Hb concentration when screening is around ≤10 g/dL. * Patients on stable, adequate dialysis for at least three months (defined as no clinically relevant changes of hemodialysis regimen and/or 23/42 ©EMEA 2007 dialyzer). * Has ever been using Epodion treatment in the at least last 1 month. * Haemodialysis patients who likely to remain on Epodion treatment for 52 weeks. * Informed consent given in a written form after being provided with detailed information about the nature, risks, and scope of the clinical trial as well as the expected desirable and adverse effects of the drug. Exclusion Criteria: * History of Pure Red Cell Aplasia (PRCA) or anti-epoetin antibodies. * Contraindications for ESA therapy. * Systemic immunosuppressive medication or any other drugs known to adversely affect the hemoglobin level. * History of uncontrolled hypertension (defined as systolic blood pressure ≥180 mmHg or diastolic blood pressure ≥110 mmHg during screening). * Any blood transfusion within the last 2 weeks prior to screening period. * Major surgery within 3 months prior to screening period. * Myelodysplastic syndrome. * History bleeding disorders (e.g. Hemophilia, Von Willebrand, and any conditions that result when the blood cannot clot properly). * Known bone marrow fibrosis (osteitis fibrosa cystica). * Known epilepsy. * Liver cirrhosis with clinical evidence of complications (portal hypertension, splenomegaly, ascites). * Systemic lupus erythematosus. * Previously diagnosed with HIV or acute hepatitis infection. * History of malignancy of any organ system within the last 5 year. * Pregnancy or lactation period in female patients. * Heavy smoker (who smoke over 20 cigarettes daily in average).