Safety Study of Tenapanor for the Treatment of Pediatric Patients (6 to Less Than 18 Years Old) With IBS-C

NCT ID: NCT05905926

Last Updated: 2026-01-12

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

ENROLLING_BY_INVITATION

Clinical Phase

PHASE3

Total Enrollment

150 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-02-17

Study Completion Date

2031-10-31

Brief Summary

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Open-label long-term safety study of tenapanor in pediatric patients with IBS-C.

Detailed Description

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Open-label long-term safety study of tenapanor in pediatric patients with IBS-C. Eligible patients who complete the parent study will have an option to enroll in this study.

Patients from the parent study will continue tenapanor at the same dose assigned in the parent study which can be titrated to either 50 mg BID or 25 mg BID per guidance in protocol after a patient's first week on the assigned dose. Patients will also return for study visits approximately every 6 weeks for safety assessments.

Conditions

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Irritable Bowel Syndrome With Constipation (IBS-C)

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Open label study
Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

NONE

Study Groups

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Tenapanor

Eligible patients from the parent study will continue tenapanor at the same dose assigned in the parent study which can be titrated to either 50 mg BID or 25 mg BID per Investigator guidance after a patient's first week on the assigned dose.

Group Type EXPERIMENTAL

Tenapanor

Intervention Type DRUG

Eligible patients from the parent study will continue tenapanor at the same dose assigned in the parent study. Doses can be titrated to either 50 mg BID or 25 mg BID

Interventions

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Tenapanor

Eligible patients from the parent study will continue tenapanor at the same dose assigned in the parent study. Doses can be titrated to either 50 mg BID or 25 mg BID

Intervention Type DRUG

Other Intervention Names

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Ibsrela

Eligibility Criteria

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Inclusion Criteria

1. ≥6 and \<18 years old at enrollment of either parent study
2. Patient completed the parent study immediately with adequate compliance with study procedures in the opinion of the Investigator
3. Females of child-bearing potential must have negative pregnancy test at the last visit of the parent study and confirm the use of appropriate contraception (including abstinence).
4. Subject is ambulatory
5. Written informed consent by parent/guardian/ Legally Authorized Representative (LAR) and a willingness of both subject and parent/guardian/LAR to participate in the study as it is described

Exclusion Criteria

1. Patient discontinued prematurely from the parent study.
2. Any surgery on the stomach, small intestine or colon, excluding appendectomy or cholecystectomy
3. Pregnant or lactating women
4. If, in the opinion of the Investigator, patient is unable or unwilling to fulfill the requirements of the protocol
Minimum Eligible Age

6 Years

Maximum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Ardelyx

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Susan Edelstein, PhD

Role: STUDY_DIRECTOR

Ardelyx

Locations

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G & L Research, LLC

Foley, Alabama, United States

Site Status

Advanced Research Center, Inc.

Anaheim, California, United States

Site Status

Prohealth Research Center

Doral, Florida, United States

Site Status

I.H.S. Health, LLC

Kissimmee, Florida, United States

Site Status

Valencia Medical and Research Center

Miami, Florida, United States

Site Status

Florida Pharmaceutical Research and Associates, Inc.

South Miami, Florida, United States

Site Status

OSF Saint Francis Medical Center

Peoria, Illinois, United States

Site Status

Mankato Clinic/ Javara Research Ltd

Mankato, Minnesota, United States

Site Status

Boys Town National Research Hospital

Boys Town, Nebraska, United States

Site Status

SUNY Downstate Medical Center

Brooklyn, New York, United States

Site Status

Advantage Clinical Trials

The Bronx, New York, United States

Site Status

Atrium Health

Charlotte, North Carolina, United States

Site Status

Duke University School of Medicine

Durham, North Carolina, United States

Site Status

Frontier Clinical Research, LLC

Scottdale, Pennsylvania, United States

Site Status

Frontier Clinical Research, LLC

Smithfield, Pennsylvania, United States

Site Status

Prisma Health Children's Hospital

Greenville, South Carolina, United States

Site Status

Maspons Pediatric Gastro

El Paso, Texas, United States

Site Status

Texas Digestive Specialists

Harlingen, Texas, United States

Site Status

AIM Trials, LLC

Plano, Texas, United States

Site Status

Sun Research Institute

San Antonio, Texas, United States

Site Status

Pioneer Research Solutions Inc

Sugar Land, Texas, United States

Site Status

Frontier Clinical Research

Kingwood, West Virginia, United States

Site Status

Countries

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United States

Other Identifiers

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TEN-01-306

Identifier Type: -

Identifier Source: org_study_id

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