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Active, not recruiting Phase 3 Interventional

Study to Assess Safety and Efficacy of Tenapanor for Treatment of IBS-C in Pediatric Patients 12 to Less Than 18 Years

ClinicalTrials.gov ID: NCT05643534

Public ClinicalTrials.gov record NCT05643534. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 5, 2026, 4:33 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A 12-Week, Randomized, Double-Blind, Placebo-Controlled, Phase 3 Study to Assess the Safety and Efficacy of Tenapanor for the Treatment of Irritable Bowel Syndrome With Constipation (IBS-C) in Pediatric Patients 12 to Less Than 18 Years Old

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a randomized, double-blind, placebo-controlled study to assess the efficacy, safety and tolerability of tenapanor (25 mg and 50 mg) in pediatric patients (≥12 and \<18 years old) with IBS-C when administered twice daily (BID) for 12 consecutive weeks.

Study identification

NCT ID
NCT05643534
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
Ardelyx
Industry
Enrollment
180 participants

Conditions and interventions

Eligibility (public fields only)

Age range
12 Years to 17 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 14, 2022
Primary completion
Aug 31, 2026
Completion
Aug 31, 2026
Last update posted
Jun 3, 2026

2022 – 2026

United States locations

U.S. sites
39
U.S. states
21
U.S. cities
37
Facility City State ZIP Site status
G & L Research, LLC Foley Alabama 36535
Eclipse Clinical Research Tucson Arizona 85745
Applied Research Center of Arkansas Little Rock Arkansas 72205
Advanced Research Center, Inc. Anaheim California 92805
Connecticut Children's Medical Center Hartford Connecticut 06106
Prohealth Research Center Doral Florida 33166
I.H.S. Health, LLC Kissimmee Florida 34741
Waterway Research & Associates Corp Miami Florida 33155
Valencia Medical and Research Center Miami Florida 33165
Orlando Health, Inc.- APH Center for Digestive Health and Nutrition Orlando Florida 32806
Florida Pharmaceutical Research and Associates, Inc. South Miami Florida 33143
Clinical Research Institute Stockbridge Georgia 30281
OSF Saint Francis Medical Center Peoria Illinois 61637
Riley Children's Health IUH Indianapolis Indiana 46202
Maine Health Portland Maine 04102
Boston Children's Hospital Boston Massachusetts 02115
Mankato Clinic/ Javara Research Ltd Mankato Minnesota 56001
Boys Town National Research Hospital Boys Town Nebraska 68010
Med Clinical Research Partners, LLC Irvington New Jersey 07111
University of New Mexico Health Sciences Center Albuquerque New Mexico 87131
SUNY Downstate Medical Center Brooklyn New York 11203
University of Rochester Rochester New York 14642
Advantage Clinical Trials The Bronx New York 10467
Atrium Health Charlotte North Carolina 28203
Duke University School of Medicine Durham North Carolina 27705
Wilmington Health Wilmington North Carolina 28401
Frontier Clinical Research, LLC Scottdale Pennsylvania 15683
Frontier Clinical Research, LLC Smithfield Pennsylvania 15478
Prisma Health Children's Hospital Greenville South Carolina 29615
Advance Clinical Trial PLLC Abilene Texas 79606
Maspons Pediatric Gastro El Paso Texas 79902
Proactive El Paso, LLC El Paso Texas 79902
Texas Digestive Specialists Harlingen Texas 78550
AIM Trials, LLC Plano Texas 75093
Sun Research Institute San Antonio Texas 78215
Pioneer Research Solutions Inc Sugar Land Texas 77479
ClinPoint Trials Waxahachie Texas 75165
University Physicians and Surgeons, Inc. Huntington West Virginia 25701
Frontier Clinical Research Kingwood West Virginia 26537

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05643534, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 3, 2026 · Synced Sep 5, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05643534 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →