Fiber fix: could a simple supplement stop colon polyps before they start?

NCT ID NCT05643859

First seen Jan 20, 2026 · Last updated May 14, 2026 · Updated 16 times

Summary

This study tests whether taking a daily fiber supplement can change the types of bacteria living in the colon. The goal is to see if these changes might help prevent precancerous polyps from forming. About 120 adults with benign anal conditions or getting a routine colonoscopy will take fiber supplements and have their gut bacteria measured before and after. The study is currently recruiting.

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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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Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • OHSU Knight Cancer Institute

    RECRUITING

    Portland, Oregon, 97239, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

Conditions

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