A Comparative Study of ASP1585 in Chronic Kidney Disease Patients With Hyperphosphatemia on Hemodialysis

Inclusion Criteria: * Chronic kidney disease patients on hemodialysis * Hyperphosphatemia * Patients on a phosphate binder or phosphate lowering drug for 28 days or longer, and that, those for whom the dose has not been changed within 28 days * Written informed consent Exclusion Criteria: * Patients with gastrointestinal surgery or enterectomy * Patients with severe cardiac diseases * Patients with severe constipation or diarrhea * Patients with a history or complication of malignant tumors * Patients with uncontrolled hypertension * Patients treated with parathyroid intervention