This study will assess the efficacy and safety of Mircera given intravenously in the treatment of renal anemia in chronic kidney disease patients on dialysis who are not currently receiving epoetin or any other erythropoietic substance. The anticipated time on study treatment is 1-2 years and the target sample size is 100-500 individuals.
Inclusion Criteria: * adult patients \>=18 years of age; * chronic renal anemia; * dialysis therapy for at least 2 weeks before screening. Exclusion Criteria: * women who are pregnant, breastfeeding or using unreliable birth control methods; * administration of any investigational drug within 4 weeks before screening.
are designated in this study