Study of MCI-196 in Chronic Kidney Disease Stage V Subjects on Dialysis With Hyperphosphatemia

Inclusion Criteria: * Male or female, and is \>=18 years old * Stable hemodialysis or peritoneal dialysis * Subjects have stable phosphate control * Subjects on stabilized phosphorus diet * Subjects undergoing regular dialysis treatment * Females and of child-bearing potential have a negative serum pregnancy test * Male subjects must agree to use appropriate contraception Exclusion Criteria: * Current clinically significant medical comorbidities, which may substantially compromise subject safety, or expose him/her to undue risk, or interfere significantly with study procedures and which, in the opinion of the Investigator, makes the subject unsuitable for inclusion in the study * serum albumin level \< 3.0g/L * PTH level \> 1000pg/mL * Hemoglobin level \< 8mg/dL * A History of significant gastrointestinal motility problems * Biliary obstruction or proven liver dysfunction * A positive test for HIV 1 and 2 antibodies * A history of substance or alcohol abuse within the last year * Seizure disorders * A history of drug or other allergy * using cholestyramine, colestipol or colesevelam * Schedule to receive a kidney transplant within the next 6 months * Participation in a clinical study with any experimental medication in the last 30 days or an experimental biological product within the last 90 days prior to signing of informed consent