A Phase 2 Dose-finding Study of TS-172 in Hyperphosphatemia Patients on Hemodialysis

NCT ID: NCT05699239

Last Updated: 2025-02-28

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

326 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-02-08

Study Completion Date

2023-12-26

Brief Summary

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A phase 2, randomized, placebo-controlled, double-blind, dose-finding study of TS-172 in hyperphosphatemia patients on hemodialysis

Detailed Description

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Conditions

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Hyperphosphatemia Patients on Hemodialysis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

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10 mg bid

Patients receive TS-172 10 mg bid.

Group Type EXPERIMENTAL

TS-172 10mg bid

Intervention Type DRUG

oral administration of TS-172 10 mg bid

30 mg bid

Patients receive TS-172 30 mg bid.

Group Type EXPERIMENTAL

TS-172 30mg bid

Intervention Type DRUG

oral administration of TS-172 30 mg bid

60 mg bid

Patients receive TS-172 60 mg bid.

Group Type EXPERIMENTAL

TS-172 60mg bid

Intervention Type DRUG

oral administration of TS-172 60 mg bid

20 mg tid

Patients receive TS-172 20 mg tid.

Group Type EXPERIMENTAL

TS-172 20mg tid

Intervention Type DRUG

oral administration of TS-172 20 mg tid

Placebo

Patients receive placebo.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

oral administration of placebo

Interventions

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TS-172 10mg bid

oral administration of TS-172 10 mg bid

Intervention Type DRUG

TS-172 30mg bid

oral administration of TS-172 30 mg bid

Intervention Type DRUG

TS-172 60mg bid

oral administration of TS-172 60 mg bid

Intervention Type DRUG

TS-172 20mg tid

oral administration of TS-172 20 mg tid

Intervention Type DRUG

Placebo

oral administration of placebo

Intervention Type DRUG

Eligibility Criteria

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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 to \<80 years at the time of obtaining informed consent
3. Patients with a serum phosphorus concentration of ≥ 3.5 mg/dL and ≤ 6.0 mg/dL at Visit 1 (Week -4)

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 5 (Week 0)
3. Patients who have undergone previous parathyroid intervention (PTx, PEIT, etc.)
Minimum Eligible Age

18 Years

Maximum Eligible Age

79 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Taisho Pharmaceutical Co., Ltd.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Taisho Director

Role: STUDY_DIRECTOR

Taisho Pharmaceutical Co., Ltd.

Locations

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Taisho Pharmaceutical Co., Ltd selected site

Tokyo, , Japan

Site Status

Countries

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Japan

Other Identifiers

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TS172-02-01

Identifier Type: -

Identifier Source: org_study_id

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