Gut bacteria clues could lead to simple cancer test
NCT ID NCT06734156
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.
Disclaimer
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the original study
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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.
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.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Champalimaud Foundation
RECRUITINGLisbon, Lisbon District, 1400-038, Portugal
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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Gulbenkian Institute for Molecular Medicine
RECRUITINGLisbon, Lisbon District, 1649-028, Portugal
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••