Gut bacteria clues could lead to simple cancer test

NCT ID NCT06734156

Recruiting now Diagnosis Sponsor: Gulbenkian Institute for Molecular Medicine Source: ClinicalTrials.gov ↗

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

Summary

This study is looking at whether analyzing the bacteria in a person's stool can help detect colorectal cancer earlier, especially in people under 50 who are not routinely screened. Researchers will collect stool samples and diet information from 400 adults in Portugal recently diagnosed with colorectal cancer. The goal is to identify microbiome patterns linked to cancer and use them to create a non-invasive diagnostic tool.

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 lead to a simple stool test that detects colorectal cancer earlier, potentially saving lives through timely treatment.
What could go wrong: This is an observational study, not a treatment trial. The test may not prove accurate enough for widespread use, and results may not apply outside Portugal.

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

As listed by the trial registrant

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

COLORECTAL CANCER (CRC) EARLY ONSET COLORECTAL CANCER MICROBIOME

Contacts and locations

Locations

Champalimaud Foundation
RECRUITING

Lisbon, Lisbon District, 1400-038, Portugal
Gulbenkian Institute for Molecular Medicine
RECRUITING

Lisbon, Lisbon District, 1649-028, Portugal

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