4-Week, Multi-center Dose-Ranging Study for the IBS-C in Pts. 6 to <12 Yrs
Completed · Phase 2 · NCT06553547
Conditions: Irritable Bowel Syndrome With Constipation (IBS-C)
At a glance
- Research payments reported, 2025
- $537,957
- U.S. investigators named
- 10
- Sites paid
- 10
- Planned or actual enrollment
- 72
About the trial
- Sponsor
- Ardelyx
- Tested
- Tenapanor (drug), Placebo (drug)
- Dates
- Started 2024-07-24; completion 2026-07-07
- Results posted
- Not yet
This is a randomized, double-blind, placebo-controlled dose-ranging study to assess the safety and efficacy of tenapanor for treatment of the IBS-C in pediatric patients 6 to less than 12 year old.
From ClinicalTrials.gov, last updated 2026-08-19. Full record, eligibility and contacts (opens in a new tab)
Industry funding
Ardelyx, Inc. reported $537,957 in research payments for this study in 2025 (48 payments).
Products named: Ibsrela
Research payments usually go to hospitals, universities and research sites to run a study, not to the investigators personally. A payment is not evidence of wrongdoing.
U.S. investigators named on this study
- Inti Fernandez, M.D General Practice · Miami, FL
- Guillermo A. Fonseca, M.D. Family Medicine · Miami, FL
- Akash Pandey Pediatric Gastroenterology · Orlando, FL
- Ana Roig-cantisano, MD Adolescent Medicine · Miami, FL
- Corey Baker, M.D. Pediatric Gastroenterology · Boston, MA
- Glenn R. Gourley, M.D. Pediatric Gastroenterology · Minneapolis, MN
- Craig A. Friesen, M.D. Pediatric Gastroenterology · Kansas City, MO
- Jonathan E. Markowitz, M.D. Pediatric Gastroenterology · Greenville, SC
- Subodh K. Bhuchar, MD Family Medicine · Sugar Land, TX
- Manu R. Sood, MD Pediatric Gastroenterology · Milwaukee, WI
Clinicians the company named as principal investigators in its Open Payments reports.
Sites paid to run it
- Florida Pharmaceutical Research and Associates Inc $244,107
- Waterway Research & Associates Corp $84,866
- Valencia Medical and Research Center $73,809
- Pioneer Research Solutions Inc $57,860
- Prisma Health PAtewood Hospital, SC $20,618
- Javara Inc $17,706
- Osf Heart of Mary Medical Center, IL $17,000
- Connecticut Childrens Medical Center, CT $10,000
- The Children's Mercy Hospital, MO $6,838
- Orlando Health, FL $5,154
Sources: CMS Open Payments research payments (program year 2025) and ClinicalTrials.gov, U.S. National Library of Medicine.