New study tests if fewer radiation sessions can match standard prostate cancer treatment

NCT ID NCT06235697

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

Summary

This phase 3 trial is testing whether a shorter, more intense radiation treatment called SBRT works as well as the current standard of external radiation plus a brachytherapy boost for men with unfavorable-risk prostate cancer. About 710 participants will also receive hormone therapy. The main goal is to see if SBRT can keep cancer from progressing while being more convenient.

What this could mean

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

Active substance
Radiation therapy (Stereotactic Body Radiation Therapy or SBRT) and androgen deprivation therapy (hormone therapy)
What this could lead to
If SBRT works as well as the standard approach, men with prostate cancer could get effective treatment in fewer sessions, making care more convenient and less invasive.
What could go wrong
This is a large phase 3 trial, but it's still testing whether SBRT is truly as good as the standard. There's a chance SBRT may not control the cancer as well, and side effects from radiation or hormone therapy remain possible.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Allegheny General Hospital

    RECRUITING

    Pittsburgh, Pennsylvania, 15212, United States

    Contact Phone: •••-•••-••••

    Contact

  • Billings Clinic Cancer Center

    RECRUITING

    Billings, Montana, 59101, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Bon Secours Cancer Institute at Reynolds Crossing

    RECRUITING

    Richmond, Virginia, 23230, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Bon Secours Saint Francis Medical Center

    RECRUITING

    Midlothian, Virginia, 23114, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • CHUM - Centre Hospitalier de l'Universite de Montreal

    RECRUITING

    Montreal, Quebec, H2X 3E4, Canada

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Doctor H. Bliss Murphy Cancer Centre

    RECRUITING

    St. John's, Newfoundland and Labrador, A1B 3V6, Canada

    Contact

    Contact Phone: •••-•••-••••

  • Forbes Hospital

    RECRUITING

    Monroeville, Pennsylvania, 15146, United States

    Contact Phone: •••-•••-••••

    Contact

  • Jefferson Hospital

    RECRUITING

    Jefferson Hills, Pennsylvania, 15025, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

  • Jewish General Hospital

    RECRUITING

    Montreal, Quebec, H3T 1E2, Canada

    Contact

    Contact Phone: •••-•••-••••

  • Kaiser Permanente Cancer Treatment Center

    RECRUITING

    South San Francisco, California, 94080, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente Downtown Commons

    RECRUITING

    Sacramento, California, 95814, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente Dublin

    RECRUITING

    Dublin, California, 94568, United States

    Contact

    Contact Phone: •••-•••-••••

  • Kaiser Permanente Fresno Orchard Plaza

    RECRUITING

    Fresno, California, 93720, United States

    Contact

    Contact Phone: •••-•••-••••

  • Kaiser Permanente Medical Center - Santa Clara

    RECRUITING

    Santa Clara, California, 95051, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente Medical Center-Vacaville

    RECRUITING

    Vacaville, California, 95688, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente Oakland-Broadway

    RECRUITING

    Oakland, California, 94611, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente San Leandro

    RECRUITING

    San Leandro, California, 94577, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente- Marshall Medical Offices

    RECRUITING

    Redwood City, California, 94063, United States

    Contact

    Contact Phone: •••-•••-••••

  • Kaiser Permanente-Deer Valley Medical Center

    RECRUITING

    Antioch, California, 94531, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente-Fremont

    RECRUITING

    Fremont, California, 94538, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente-Fresno

    RECRUITING

    Fresno, California, 93720, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente-Modesto

    RECRUITING

    Modesto, California, 95356, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente-Oakland

    RECRUITING

    Oakland, California, 94611, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente-Richmond

    RECRUITING

    Richmond, California, 94801, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente-Roseville

    RECRUITING

    Roseville, California, 95661, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente-San Francisco

    RECRUITING

    San Francisco, California, 94115, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente-Santa Rosa

    RECRUITING

    Santa Rosa, California, 95403, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente-Santa Teresa-San Jose

    RECRUITING

    San Jose, California, 95119, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente-South Sacramento

    RECRUITING

    Sacramento, California, 95823, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente-South San Francisco

    RECRUITING

    South San Francisco, California, 94080, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente-Stockton

    RECRUITING

    Stockton, California, 95210, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente-Vallejo

    RECRUITING

    Vallejo, California, 94589, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser Permanente-Walnut Creek

    RECRUITING

    Walnut Creek, California, 94596, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kaiser San Rafael-Gallinas

    RECRUITING

    San Rafael, California, 94903, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kingston Health Sciences Centre

    RECRUITING

    Kingston, Ontario, K7L 2V7, Canada

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Lakeridge Health Oshawa

    RECRUITING

    Oshawa, Ontario, L1G 2B9, Canada

    Contact

    Contact Phone: •••-•••-••••

  • Lenox Hill Hospital

    RECRUITING

    New York, New York, 10075, United States

    Contact

    Contact Phone: •••-•••-••••

  • London Regional Cancer Program

    RECRUITING

    London, Ontario, N6A 4L6, Canada

    Contact

    Contact Phone: •••-•••-••••

  • Manhattan Eye Ear and Throat Hospital

    RECRUITING

    New York, New York, 10065, United States

    Contact

    Contact Phone: •••-•••-••••

  • Memorial Hospital East

    RECRUITING

    Shiloh, Illinois, 62269, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Northwell Health/Center for Advanced Medicine

    RECRUITING

    Lake Success, New York, 11042, United States

    Contact

    Contact Phone: •••-•••-••••

  • Odette Cancer Centre- Sunnybrook Health Sciences Centre

    RECRUITING

    Toronto, Ontario, M4N 3M5, Canada

    Contact

    Contact Phone: •••-•••-••••

  • Rohnert Park Cancer Center

    RECRUITING

    Rohnert Park, California, 94928, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Royal Victoria Regional Health Centre

    RECRUITING

    Barrie, Ontario, L4M 6M2, Canada

    Contact

    Contact Phone: •••-•••-••••

  • Saint Vincent Hospital

    RECRUITING

    Erie, Pennsylvania, 16544, United States

    Contact Phone: •••-•••-••••

    Contact

  • Siteman Cancer Center at Christian Hospital

    RECRUITING

    St Louis, Missouri, 63136, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Siteman Cancer Center at Saint Peters Hospital

    RECRUITING

    City of Saint Peters, Missouri, 63376, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Siteman Cancer Center at West County Hospital

    RECRUITING

    Creve Coeur, Missouri, 63141, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Siteman Cancer Center-South County

    RECRUITING

    St Louis, Missouri, 63129, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • The Permanente Medical Group-Roseville Radiation Oncology

    RECRUITING

    Roseville, California, 95678, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Trillium Health Partners - Credit Valley Hospital

    RECRUITING

    Mississauga, Ontario, L5M 2N1, Canada

    Contact

    Contact Phone: •••-•••-••••

  • University Health Network-Princess Margaret Hospital

    RECRUITING

    Toronto, Ontario, M5G 2M9, Canada

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • VCU Massey Comprehensive Cancer Center

    RECRUITING

    Richmond, Virginia, 23298, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Washington University School of Medicine

    RECRUITING

    St Louis, Missouri, 63110, United States

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Waterloo Regional Health Network

    RECRUITING

    Kitchener, Ontario, N2G 1G3, Canada

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • West Penn Hospital

    RECRUITING

    Pittsburgh, Pennsylvania, 15224, United States

    Contact Phone: •••-•••-••••

    Contact

  • Wexford Health and Wellness Pavilion

    RECRUITING

    Wexford, Pennsylvania, 15090, United States

    Contact Email: •••••@•••••

    Contact

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