Intermittent fasting tested to ease radiation side effects in cancer patients
NCT ID NCT05722288
First seen Jun 26, 2026 · Last updated Aug 14, 2026 · Updated 3 times
Summary
This phase II trial tests whether time-restricted eating (intermittent fasting) can reduce side effects from radiation or chemoradiation in people with prostate, cervical, or rectal cancers. About 49 participants will either follow a time-restricted eating plan or receive standard nutritional counseling during treatment. The study aims to see if this eating pattern is feasible and helps lower DNA damage in normal tissues, potentially improving how well patients tolerate therapy.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- time-restricted eating (intermittent fasting)
- What this could lead to
- If it works, this could offer a simple dietary strategy to reduce side effects from radiation therapy and potentially improve treatment outcomes for certain cancers.
- What could go wrong
- This is a small, early-phase trial with only 49 participants, so results may not apply broadly. The intervention may be difficult for some patients to follow, and it is not yet proven to reduce side effects or improve cancer control.
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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
-
City of Hope Medical Center
Duarte, California, 91010, United States
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