Hidden bacteria in breast tumors: could they change how we treat cancer?

NCT ID NCT07253168

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

Summary

This study looks at bacteria living inside breast tumors and compares them to bacteria in the gut and urine of 240 women undergoing breast cancer surgery. Researchers want to see if these microbes differ across cancer subtypes and if they relate to tumor features. The goal is to better understand how bacteria might influence breast cancer, not to test a new treatment.

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 reveal how bacteria inside tumors influence breast cancer behavior, potentially pointing toward new ways to predict or treat the disease.
What could go wrong
This is an early observational study, not a treatment trial. It may not find clear links, and results may not lead to direct patient benefits.

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

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