Could a 16-Hour fast be the key to better blood sugar in teens?

NCT ID NCT04536480

First seen Aug 07, 2026 · Last updated Aug 07, 2026

Summary

This trial tests whether time-limited eating—consuming all food and drinks within an 8-hour period and fasting for the remaining 16 hours—can improve blood sugar control, insulin function, and body fat in adolescents with type 2 diabetes. Participants aged 12 to 21 will follow this eating pattern without calorie restriction, and researchers will measure changes in glucose levels, hemoglobin A1c, and body composition over 12 weeks. The goal is to see if this simple dietary approach can help manage the disease and potentially reduce the need for medication.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
Time-limited eating (eating all meals within an 8-hour window, fasting for 16 hours)
What this could lead to
If effective, this eating pattern could offer a simple, drug-free way to help teens with type 2 diabetes better manage blood sugar and body weight.
What could go wrong
This is an early-stage trial with a modest number of participants, and results may not apply to all teens. Adherence to the eating schedule could be challenging, and the approach may not produce lasting benefits.

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Conditions

The condition(s) this trial relates to.

Intermittent Fasting obesity disorder Pediatric Obesity type 2 diabetes mellitus

As listed by the trial registrant

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

Contacts and locations

Locations

  • Children's Hospital of Los Angeles

    Los Angeles, California, 90027, United States

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