Evaluate the Efficacy and Safety of Multiple Roxadustat Dosing Regimens for the Treatment of Anemia in Dialysis Participants With Chronic Kidney Disease

This is a randomized, open-label, multi-center study in dialysis chronic kidney disease (CKD) participants to evaluate the efficacy and relative safety of different dosing regimens of roxadustat over a 36-week treatment period. There are 3 study periods: * Screening Period (up to 4 weeks) * Treatment Period (36 weeks) Part 1: Correction/Conversion Period (Weeks 1-20) Part 2: Hemoglobin (Hb) Maintenance Period (Weeks 21-36) * Follow-up Period (4 weeks)