A Study of Once Monthly Intravenous or Subcutaneous Mircera in Participants With Chronic Kidney Disease on Hemodialysis.

This 2 arm study will compare the hemoglobin maintenance with once monthly methoxy polyethylene glycol-epoetin beta (Mircera) administration versus epoetin beta or darbepoetin alfa in participants with chronic kidney disease on hemodialysis. Participants will be randomized to receive either monthly intravenous (IV) or subcutaneous (SC) methoxy polyethylene glycol-epoetin beta (at a starting dose of 120 or 200 micrograms, calculated from the last weekly dose of epoetin beta or darbepoetin alfa previously administered), or standard therapy (IV or SC epoetin beta once, twice or thrice weekly, or IV or SC darbepoetin alfa once a week or twice a week).