New pill helps dialysis patients control dangerous phosphorus levels
NCT ID NCT06745531
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a new medicine called TS-172 in 101 adults on hemodialysis who had high phosphorus levels. The goal was to see if the drug could help more patients reach a safe phosphorus level in their blood. Results showed that TS-172 was better than a placebo at controlling phosphorus, which is important for managing kidney disease.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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101 people
The number who actually took part.
- Started
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Jan 2025
- Finished
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Oct 2025
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
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 -4) 2. Patients aged \>=18 years at the time of obtaining informed consent 3. Patients with a serum phosphorus concentration of \>= 3.5 mg/dL and \< 5.5 mg/dL at Visit 1 (Week -4) 4. Patients whose serum phosphorus concentration at Visit 3 (Week -2) or Visit 4 (Week -1) has increased by at least 1.0 mg/dL compared with the value at Visit 1 (Week -4) and is \>= 5.5 mg/dL and \< 10.0 mg/dL. Exclusion Criteria: 1. Patients with confirmed serum intact PTH concentration \>500 pg/mL from Visit 1 (Week -4) to Visit 5 (Week 0) 2. Patients with serum phosphorus concentration \>= 10.0 mg/dL from Visit 2 (Week -3) to Visit 4 (Week -1) 3. Patients who have undergone previous parathyroid intervention (PTx, PEIT, etc.)
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Taisho Pharmaceutical Co., Ltd selected site
Tokyo, Japan
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Other studies related to the condition(s) this trial covers.
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