Can zapping cancer spots with Super-Precise radiation delay the disease?

NCT ID NCT03808337

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

Summary

This study tests whether giving a very focused, high-dose radiation treatment (SBRT) to all visible cancer spots can delay the cancer from getting worse in people with breast or lung cancer that has spread to 1-5 places. About 145 participants will either receive standard care alone or standard care plus SBRT to each metastasis. The goal is to see if the radiation helps keep the disease under control longer.

What this could mean

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

Active substance
Stereotactic body radiotherapy (SBRT) – a precise, high-dose radiation treatment
What this could lead to
If it works, this could show that targeting all visible cancer spots with radiation helps keep the disease from getting worse for longer, potentially improving control of metastatic cancer.
What could go wrong
This is a mid-stage trial with only 145 participants, so results may not apply to everyone. SBRT can cause side effects like fatigue or damage to nearby organs, and it may not improve survival or prevent new metastases.

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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

Locations

  • Baptist Alliance - McI

    RECRUITING

    Miami, Florida, 33143, United States

  • Hartford Healthcare

    RECRUITING

    Hartford, Connecticut, 06102, United States

  • Lehigh Valley Health Network

    RECRUITING

    Allentown, Pennsylvania, 18103, United States

  • Memorial Sloan Kettering Basking Ridge

    RECRUITING

    Basking Ridge, New Jersey, 07920, United States

  • Memorial Sloan Kettering Bergen

    RECRUITING

    Montvale, New Jersey, 07645, United States

  • Memorial Sloan Kettering Cancer Center

    RECRUITING

    New York, New York, 10065, United States

  • Memorial Sloan Kettering Cancer Center @ Commack

    RECRUITING

    Commack, New York, 11725, United States

  • Memorial Sloan Kettering Monmouth

    RECRUITING

    Middletown, New Jersey, 07748, United States

  • Memorial Sloan Kettering Nassau

    RECRUITING

    Uniondale, New York, 11553, United States

  • Memorial Sloan Kettering Westchester

    RECRUITING

    Harrison, New York, 10604, United States

  • Natera, Inc. (Data and Specimen Analysis Only)

    NOT_YET_RECRUITING

    San Carlos, California, 94070, United States

  • WCHN Norwalk Hospital - Data Collection

    RECRUITING

    Norwalk, Connecticut, 06850, United States

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