Could a 14-Hour fast ease breast cancer treatment side effects?
NCT ID NCT06106477
First seen Aug 05, 2026 · Last updated Aug 06, 2026 · Updated 1 time
Summary
This trial tests whether a six-month intermittent fasting plan—fasting for about 14 hours each night and eating within a 10-hour daytime window—is something women with early-stage, hormone-positive breast cancer can stick to while on hormone therapy. The goal is to see if this eating pattern can improve health-related quality of life and reduce inflammation. The study involves 20 women with stage I-III HR+/HER2- breast cancer and focuses on how feasible and acceptable the fasting schedule is.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Intermittent fasting (a daily eating pattern with a 14-hour overnight fast and a 10-hour eating window)
- What this could lead to
- If this approach proves feasible, it could offer a simple, drug-free way to ease side effects and improve well-being for women on hormone therapy for early breast cancer.
- What could go wrong
- This is a small feasibility study, not a proof of effectiveness. Results may not apply to all patients, and sticking to the fasting schedule for six months may be challenging for some.
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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
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Froedtert Hospital & the Medical College of Wisconsin
RECRUITINGMilwaukee, Wisconsin, 53226, United States
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