Old depression drug shows promise for bladder pain

NCT ID NCT00124306

First seen Nov 01, 2025 · Last updated May 13, 2026 · Updated 25 times

Summary

This study tested whether amitriptyline, a drug already used for depression and chronic pain, can relieve symptoms of painful bladder syndrome (also called interstitial cystitis). 271 newly diagnosed adults took part. The goal was to see if the drug reduces bladder pain and frequent urination. Results were measured by patient reports of symptom improvement after 12 weeks.

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Contacts and locations

Locations

  • Henry Ford Hospital

    Detroit, Michigan, 48202, United States

  • Loyola University Medical Center

    Maywood, Illinois, 60153, United States

  • Queen's University

    Kingston, Ontario, K7L 2Y7, Canada

  • Stanford University Medical Center

    Stanford, California, 94305, United States

  • University of Iowa Hospitals and Clinic

    Iowa City, Iowa, 52242, United States

  • University of Maryland

    Baltimore, Maryland, 21201, United States

  • University of Pennsylvania

    Philadelphia, Pennsylvania, 19104, United States

  • University of Rochester Medical Center

    Rochester, New York, 14642, United States

  • University of Washington

    Seattle, Washington, 98195, United States

  • William Beaumont Hospital

    Royal Oak, Michigan, 48073, United States

Conditions

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