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New pill aims to tame dangerous phosphate levels in dialysis patients

NCT ID NCT07548840

Disease control Sponsor: Taisho Pharmaceutical Co., Ltd. Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a new drug called TS-172 in 30 adults on hemodialysis who have high phosphate levels. Participants take the drug daily for a period, and researchers check if their phosphate levels drop to a target range. The goal is to see if TS-172 can help control phosphate, a common problem in kidney disease.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
TS-172
What this could lead to
If successful, TS-172 could offer a new option to help control phosphate levels in dialysis patients, potentially reducing complications.
What could go wrong
This is a small, early-phase study with only 30 participants and no placebo group, so results may not be conclusive. Side effects are not yet well understood.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

About 30 people

The number the study aims to enrol. It can still change while the study runs.

Started

May 2026

Expected to finish

Nov 2026

An estimate. End dates often move.

Lead sponsor

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

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

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 at least 12 weeks prior to Visit 1 (Week -4) 2. Patients aged \>= 18 years at the time of obtaining informed consent 3. Patients who are receiving at least one phosphate-lowering agent (phosphate binder and tenapanor hydrochloride) within approved dosage, and whose dosing regimen for all phosphate-lowering agents has been unchanged during the last 4 weeks prior to Visit 1 (Week -4). 4. Patients with serum phosphorus concentration of \>= 3.5 mg/dL and \< 5.5 mg/dL at Visit 1 (Week -4) 5. 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.

hyperphosphatemia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Hyperphosphatemia patients on hemodialysis

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Taisho selected site

    RECRUITING

    Tokyo, Japan

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