Can fasting two days a week slow kidney cancer? a new trial tests the idea
NCT ID NCT07714018
First seen Jul 20, 2026 · Last updated Jul 21, 2026 · Updated 1 time
Summary
This trial compares two weight-loss approaches—daily calorie restriction versus 5:2 intermittent fasting—in people with small kidney tumors who are being monitored rather than treated immediately. The goal is to see which program helps patients lose more weight and whether that might reduce the risk of tumor growth. Participants will follow their assigned diet for six months with coaching and self-monitoring.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- two weight-loss programs: intermittent fasting (5:2 diet) and continuous calorie restriction
- What this could lead to
- If successful, this could show that intermittent fasting is a better weight-loss strategy than daily calorie cutting for kidney cancer patients, potentially helping to slow cancer progression.
- What could go wrong
- This is a very small early-stage trial with only 20 participants, so results may not apply to all patients. Weight loss may not directly affect tumor growth.
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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
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Locations
-
Roswell Park Comprehensive Cancer Center
Buffalo, New York, 14263, United States
Contact
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