Researchers track rare colorectal cancer subtype to improve treatment decisions

NCT ID NCT05511688

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study follows 637 people with a specific type of colorectal cancer called microsatellite instability (MSI). The goal is to identify factors that predict how the cancer will behave and whether chemotherapy helps. By collecting clinical and molecular data, researchers hope to better guide treatment for both early and advanced stages of this cancer.

What this could mean

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

What this could lead to

If successful, this could help doctors better predict which patients with this type of colorectal cancer need chemotherapy and which do not.

What could go wrong

This is an observational study, not a treatment trial, so it won't directly provide new therapies. Results may take years and might not change practice immediately.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

colorectal cancer colorectal neoplasm Microsatellite Instability

As listed by the trial registrant

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

Contacts and locations

Locations

  • CH

    Angoulême, France

  • CH

    Abbeville, France

  • Ch - Centre Hospitalier de Bézier

    Béziers, France

  • Ch - Ght Unyon Auxerre

    Auxerre, France

  • Ch - Hôpital Henri Duffaut

    Avignon, France

  • Ch - Hôpital Victor Dupouy

    Argenteuil, France

  • Chu - Hôpital Hôtel Dieu

    Angers, France

  • Chu - Hôpital Jean Minjoz

    Besançon, France

  • Chu - Hôpital Sud

    Amiens, France

  • Chu Poitiers

    Poitiers, VIENNE, 86021, France

  • Privé - Clinique Tivoli

    Bordeaux, France

  • Privé - Institut Du Cancer Avignon Provence

    Avignon, France

  • Privé - Polyclinique Bordeaux Nord

    Bordeaux, France

  • Privé- Centre Pierre Curie

    Beuvry, France