A Phase 2 Study of TS-172 in Hyperphosphatemia Patients on Hemodialysis With Phosphate Binders

A Phase 2, Randomized, Placebo-controlled, Double-blind, Phosphate Binder-combination Study of TS-172 in Hyperphosphatemia Patients on Hemodialysis

A phase 2, randomized, placebo-controlled, double-blind, phosphate binder-combination study of TS-172 in hyperphosphatemia patients on hemodialysis

Inclusion Criteria:

1. Hyperphosphatemia patients (outpatients) with chronic kidney disease receiving hemodialysis (HD or HDF) 3 times a week for at least 12 weeks prior to Visit 1 (Week -3)
2. Patients aged >= 18 years at the time of obtaining informed consent
3. Patients with a serum phosphorus concentration of >= 5.5 mg/dL and < 10.0 mg/dL at Visit 1 (Week -3)
4. Patients who have been prescribed at least one phosphate binder within the approved dosage, and the prescribed drug and dosage regimen should have been unchanged during the last 2 weeks prior to Visit 1 (Week -3)

Exclusion Criteria:

1. Patients with confirmed serum intact PTH concentration >500 pg/mL from Visit 1 (Week -3) to Visit 4 (Week 0)
2. Patients who have undergone previous parathyroid intervention (PTx, PEIT, etc.)