Pee power: urine test may spare kids painful kidney biopsies

NCT ID NCT03719339

First seen Jan 08, 2026 · Last updated May 20, 2026 · Updated 21 times

Summary

This study checks if certain substances in urine can tell doctors whether a child's kidney transplant is being rejected. About 445 children aged 2 to 18 who have a kidney transplant and need a biopsy will provide urine samples. The goal is to see if these urine tests are as accurate as a biopsy, which could make monitoring safer and less painful.

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Contacts and locations

Locations

  • Ann & Robert H. Lurie Children's Hospital of Chicago

    Chicago, Illinois, 60611, United States

  • CHOP

    Philadelphia, Pennsylvania, 19104, United States

  • Children's Hospital Los Angeles

    Los Angeles, California, 90027, United States

  • Children's National Medical Center

    Washington D.C., District of Columbia, 20010-291, United States

  • Cincinnati Children's Hospital Medical Center

    Cincinnati, Ohio, 45229, United States

  • Joan & Sanford I. Weill Medical College of Cornelle University

    New York, New York, 10065-4805, United States

  • Seattle Children's Hospital

    Seattle, Washington, 98105, United States

  • Stanford University

    Palo Alto, California, 94304, United States

  • University of California

    Los Angeles, California, 90095, United States

  • University of California-San Diego, Rady Children's Hospital

    La Jolla, California, 92093-0894, United States

  • University of Minnesota

    Minneapolis, Minnesota, 55455, United States

  • University of Pennsylvania

    Philadelphia, Pennsylvania, 19104, United States

  • Vancouver Children's Hospital

    Vancouver, British Columbia, V6T 1Z3, Canada

Conditions

Explore the condition pages connected to this study.