Brain radiation face-off: one big dose vs. several smaller ones

NCT ID NCT05102747

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares two types of radiation for people with up to 5 brain metastases from solid tumors. One group gets a single high dose of radiation, the other gets three smaller doses over a week. The goal is to see which approach better controls tumors and causes fewer side effects like brain tissue damage. The trial plans to enroll 504 participants.

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
What this could lead to
If this trial succeeds, it could establish a new standard radiation schedule that reduces side effects like brain tissue damage while still controlling tumors.
What could go wrong
This is a phase 3 trial, but it compares two existing treatments, so no breakthrough is expected. The benefit of the new schedule may be small, and some patients may still experience side effects.

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

Locations

  • CHU

    NOT_YET_RECRUITING

    Bordeaux, France

  • CHU

    RECRUITING

    Brest, France

  • CHU

    NOT_YET_RECRUITING

    Grenoble, France

  • Centre Antoine Lacassagne

    NOT_YET_RECRUITING

    Nice, France

  • Centre Eugène Marquis

    RECRUITING

    Rennes, France

  • Centre François Baclesse

    RECRUITING

    Caen, 14076, France

  • Centre Guillaume le Conquérant

    RECRUITING

    Le Havre, France

  • Centre Henri Becquerel

    NOT_YET_RECRUITING

    Rouen, France

  • Centre d'Oncologie et Radiothérapie Saint-Jean

    RECRUITING

    Saint-Doulchard, France

  • Centre hospitalier Lyon Sud

    NOT_YET_RECRUITING

    Pierre-Bénite, France

  • Groupe hospitalier Bretagne Sud

    RECRUITING

    Lorient, France

  • Gustave Roussy

    NOT_YET_RECRUITING

    Villejuif, France

  • Institut Bergonié

    NOT_YET_RECRUITING

    Bordeaux, France

  • Institut Claudius Regaud

    NOT_YET_RECRUITING

    Toulouse, France

  • La Pitié Salpétrière

    NOT_YET_RECRUITING

    Paris, France

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