Radiation or watchful waiting? new trial for aggressive skin cancer

NCT ID NCT06692556

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This phase 3 trial compares two strategies for people with high-risk cutaneous squamous cell carcinoma after surgery: adding radiation therapy versus simply monitoring. About 266 participants will be randomly assigned to one of the two groups and followed for at least two years. The main goal is to see whether radiation improves disease-free survival.

What this could mean

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

Active substance
adjuvant radiotherapy
What this could lead to
If it works, this could show that adding radiation after surgery reduces the chance of cancer coming back in high-risk patients.
What could go wrong
This is a phase 3 trial, but it's still possible that radiation offers no benefit over monitoring, or that side effects outweigh any gain. Results may not apply to all patients.

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 de Bordeaux - Hôpital Saint André

    NOT_YET_RECRUITING

    Bordeaux, New Aquitaine, 33076, France

  • Centre Antoine Lacassagne

    NOT_YET_RECRUITING

    Nice, Provence-Alpes-Côte d'Azur Region, 06189, France

  • Centre De Radiothérapie Guillaume Le Conquérant

    NOT_YET_RECRUITING

    Le Havre, Normandy, 76600, France

  • Centre Georges François Leclerc

    ACTIVE_NOT_RECRUITING

    Dijon, Bourgogne-Franche-Comté, 21079, France

  • Centre Hospitalier Annecy Genevois

    RECRUITING

    Metz-Tessy, Haute-Savoie, 74374, France

  • Centre Hospitalier Emile Roux

    WITHDRAWN

    Le Puy-en-Velay, Auvergne-Rhône-Alpes, 43000, France

  • Centre Hospitalier Romans - Hopitaux Drôme Nord

    RECRUITING

    Romans-sur-Isère, Drôme, 26102, France

  • Centre Hospitalier Régional Universitaire de Brest - Hôpital Morvan

    WITHDRAWN

    Brest, Finistère, 29200, France

  • Centre Hospitalier Simone Veil de Blois

    RECRUITING

    Blois, Loir-et-Cher, 41016, France

  • Centre Hospitalier Universitaire Amiens-Picardie

    ACTIVE_NOT_RECRUITING

    Amiens, Somme, 80054, France

  • Centre Hospitalier Universitaire Estaing

    RECRUITING

    Clermont-Ferrand, Puy-de-Dôme, 63033, France

  • Centre Hospitalier Universitaire Rouen - Hôpital Charles Nicolle

    NOT_YET_RECRUITING

    Rouen, Seine-Maritime, 76031, France

  • Centre Hospitalier Universitaire de Bordeaux

    ACTIVE_NOT_RECRUITING

    Pessac, Gironde, 33604, France

  • Centre Hospitalier Universitaire de Grenoble-Alpes

    NOT_YET_RECRUITING

    La Tronche, Isère, 38700, France

  • Centre Hospitalier Universitaire de Nantes - Hôtel-Dieu

    RECRUITING

    Nantes, Loire-Atlantique, 44093, France

  • Centre Hospitalier Universitaire de Rennes

    NOT_YET_RECRUITING

    Rennes, Ille-et-Vilaine, 35033, France

  • Centre Hospitalier Universitaire de Saint-Etienne - Hôpital Nord

    RECRUITING

    Saint Priest En Jarez, Pays de la Loire Region, 42271, France

  • Centre Hospitalier de Valence

    RECRUITING

    Valence, Drôme, 26000, France

  • Centre Léon Bérard

    RECRUITING

    Lyon, 69373, France

  • Centre de Radiothérapie Marie Curie

    NOT_YET_RECRUITING

    Valence, Drôme, 26000, France

  • Centre hospitalier de Roanne

    RECRUITING

    Roanne, Pays de la Loire Region, 42300, France

  • Groupe Hospitalier Bretagne Sud

    RECRUITING

    Lorient, Morbihan, 56322, France

  • Hospices Civils de Lyon - Centre Hospitalier Lyon Sud

    NOT_YET_RECRUITING

    Pierre-Bénite, Auvergne-Rhône-Alpes, 69495, France

  • Hôpital Bichat Claude-Bernard

    ACTIVE_NOT_RECRUITING

    Paris, Île-de-France Region, 75877, France

  • Hôpital d'instruction des armées Sainte-Anne

    WITHDRAWN

    Toulon, Var, 83800, France

  • Hôpital de la Cavale Blanche

    NOT_YET_RECRUITING

    Brest, Finistère, 29200, France

  • Institut Godinot

    ACTIVE_NOT_RECRUITING

    Reims, Marne, 51726, France

  • Institut de Cancérologie de Lorraine

    RECRUITING

    Vandœuvre-lès-Nancy, MMeurthe-et-Moselle, 54519, France

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