Researchers track rare colorectal cancer subtype to improve treatment decisions

NCT ID NCT05511688

Ongoing Knowledge-focused Sponsor: Federation Francophone de Cancerologie Digestive Source: ClinicalTrials.gov ↗

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.

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.

colorectal cancer colorectal neoplasm Microsatellite Instability

As listed by the trial registrant

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

COLORECTAL CANCER MICROSATELLITE INSTABILITY

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

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