Empty bladder may ease prostate radiation side effects

NCT ID NCT06037863

First seen Nov 21, 2025 · Last updated May 12, 2026 · Updated 16 times

Summary

This study looks at whether having an empty bladder before CT simulation for prostate cancer radiation therapy leads to fewer urinary problems compared to the usual full bladder. About 168 men with prostate cancer will be randomly assigned to either empty or full bladder preparation. The goal is to see if emptying the bladder makes treatment more comfortable and easier to repeat each day.

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Contacts and locations

Locations

  • Mayo Clinic Health System in Albert Lea

    Albert Lea, Minnesota, 56007, United States

  • Mayo Clinic Health System-Eau Claire Clinic

    Eau Claire, Wisconsin, 54701, United States

  • Mayo Clinic Health System-Franciscan Healthcare

    La Crosse, Wisconsin, 54601, United States

  • Mayo Clinic Health Systems-Mankato

    Mankato, Minnesota, 56001, United States

  • Mayo Clinic in Arizona

    Scottsdale, Arizona, 85259, United States

  • Mayo Clinic in Florida

    Jacksonville, Florida, 32224-9980, United States

  • Mayo Clinic in Rochester

    Rochester, Minnesota, 55905, United States

Conditions

Explore the condition pages connected to this study.