New drug could ease teen IBS constipation pain

NCT ID NCT05643534

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This phase 3 trial tests tenapanor, a drug that helps with constipation and belly pain, in 180 teenagers aged 12 to 17 with irritable bowel syndrome and constipation (IBS-C). Participants take either a low or high dose of tenapanor or a placebo twice daily for 12 weeks. The goal is to see if the drug improves bowel movement frequency and reduces abdominal pain compared to a placebo.

What this could mean

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

Active substance

tenapanor

What this could lead to

If it works, this could provide a new treatment option for teenagers with irritable bowel syndrome and constipation, helping to reduce belly pain and improve bowel movements.

What could go wrong

This is a relatively small, short-term study (12 weeks) in a specific age group. The drug may not work better than a placebo, and side effects are possible. Results may not apply to all patients.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

irritable bowel syndrome

As listed by the trial registrant

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

Contacts and locations

Locations

  • AIM Trials, LLC

    Plano, Texas, 75093, United States

  • Advance Clinical Trial PLLC

    Abilene, Texas, 79606, United States

  • Advanced Research Center, Inc.

    Anaheim, California, 92805, United States

  • Advantage Clinical Trials

    The Bronx, New York, 10467, United States

  • Applied Research Center of Arkansas

    Little Rock, Arkansas, 72205, United States

  • Atrium Health

    Charlotte, North Carolina, 28203, United States

  • Boston Children's Hospital

    Boston, Massachusetts, 02115, United States

  • Boys Town National Research Hospital

    Boys Town, Nebraska, 68010, United States

  • ClinPoint Trials

    Waxahachie, Texas, 75165, United States

  • Clinical Research Institute

    Stockbridge, Georgia, 30281, United States

  • Connecticut Children's Medical Center

    Hartford, Connecticut, 06106, United States

  • Duke University School of Medicine

    Durham, North Carolina, 27705, United States

  • Eclipse Clinical Research

    Tucson, Arizona, 85745, United States

  • Florida Pharmaceutical Research and Associates, Inc.

    South Miami, Florida, 33143, United States

  • Frontier Clinical Research

    Kingwood, West Virginia, 26537, United States

  • Frontier Clinical Research, LLC

    Scottdale, Pennsylvania, 15683, United States

  • Frontier Clinical Research, LLC

    Smithfield, Pennsylvania, 15478, United States

  • G & L Research, LLC

    Foley, Alabama, 36535, United States

  • I.H.S. Health, LLC

    Kissimmee, Florida, 34741, United States

  • Maine Health

    Portland, Maine, 04102, United States

  • Mankato Clinic/ Javara Research Ltd

    Mankato, Minnesota, 56001, United States

  • Maspons Pediatric Gastro

    El Paso, Texas, 79902, United States

  • Med Clinical Research Partners, LLC

    Irvington, New Jersey, 07111, United States

  • OSF Saint Francis Medical Center

    Peoria, Illinois, 61637, United States

  • Orlando Health, Inc.- APH Center for Digestive Health and Nutrition

    Orlando, Florida, 32806, United States

  • Pioneer Research Solutions Inc

    Sugar Land, Texas, 77479, United States

  • Prisma Health Children's Hospital

    Greenville, South Carolina, 29615, United States

  • Proactive El Paso, LLC

    El Paso, Texas, 79902, United States

  • Prohealth Research Center

    Doral, Florida, 33166, United States

  • Riley Children's Health IUH

    Indianapolis, Indiana, 46202, United States

  • SUNY Downstate Medical Center

    Brooklyn, New York, 11203, United States

  • Sun Research Institute

    San Antonio, Texas, 78215, United States

  • Texas Digestive Specialists

    Harlingen, Texas, 78550, United States

  • University Physicians and Surgeons, Inc.

    Huntington, West Virginia, 25701, United States

  • University of New Mexico Health Sciences Center

    Albuquerque, New Mexico, 87131, United States

  • University of Rochester

    Rochester, New York, 14642, United States

  • Valencia Medical and Research Center

    Miami, Florida, 33165, United States

  • Waterway Research & Associates Corp

    Miami, Florida, 33155, United States

  • Wilmington Health

    Wilmington, North Carolina, 28401, United States