Could a cup of green tea keep colon cancer away?
NCT ID NCT02891538
First seen Jun 26, 2026 · Last updated Jul 01, 2026 · Updated 2 times
Summary
This pilot study tests whether a purified green tea extract called EGCG can help prevent colon cancer from coming back after surgery. 51 patients who had their colon cancer removed took either the extract or a placebo. Researchers are checking for changes in DNA methylation, a marker linked to cancer risk.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Epigallocatechin gallate (EGCG), a purified green tea extract
- What this could lead to
- If it works, this could point toward a simple, natural supplement to help prevent colon cancer from coming back after surgery.
- What could go wrong
- This is a very early, small pilot study. It only looks at biological markers, not whether cancer actually returns. The extract may have no effect or cause side effects.
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.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
UT Health San Antonio
San Antonio, Texas, 78229, United States
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