Time-Restricted eating: a simple diet hack to beat prediabetes?

NCT ID NCT05866406

Recruiting now Disease control Sponsor: Cambridge University Hospitals NHS Foundation Trust Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether eating all meals within a 9-hour window each day for 12 weeks can improve insulin sensitivity and other heart health markers in 100 adults with obesity and prediabetes. Participants will be randomly assigned to either a 9-hour eating window or a 14-hour window, with both groups receiving healthy diet advice. The goal is to see if time-restricted eating works even without weight loss.

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 (behavioral intervention)
What this could lead to: If it works, this could show that simply limiting when you eat, without cutting calories, improves insulin sensitivity and reduces heart disease risk.
What could go wrong: This is a small, early-phase study (100 participants) over only 12 weeks. Results may not apply to everyone, and the effect may be modest or not sustained long-term.

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder prediabetes syndrome

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

OBESITY PREDIABETES

Contacts and locations

Locations

Cambridge Clinical Research Center
RECRUITING

Cambridge, CB2 0QQ, United Kingdom

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