Intermittent fasting may cut cancer risk in obesity

NCT ID NCT05114798

First seen Jun 25, 2026 · Last updated Jul 22, 2026 · Updated 4 times

Summary

This study compares time-restricted eating (eating only between 12pm-8pm) to daily calorie restriction for weight loss and colorectal cancer risk reduction in 193 obese adults aged 45-70. Participants follow their assigned diet for 6 months, then a maintenance phase for another 6 months. Researchers will measure weight, body fat, and blood markers 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
time-restricted eating (intermittent fasting)
What this could lead to
If it works, this could offer a simple, effective lifestyle strategy to reduce obesity and potentially lower colorectal cancer risk.
What could go wrong
This is a mid-stage behavioral study with 193 participants, so results may not apply to everyone. Adherence to the eating schedule can be challenging, and weight loss may not directly translate to cancer prevention.

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

  • University of Illinois at Chicago

    Chicago, Illinois, 60612, United States

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