Smart glasses that nudge you to eat less and slower show promise in small study

NCT ID NCT06547320

Completed Symptom relief Sponsor: The Miriam Hospital Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested a sensor worn on eyeglasses that tracks when you eat and sends messages to your smartphone to encourage eating less or eating slower. 43 overweight adults wore the device for one week without any messages, then for two weeks with the messages. The goal was to see if these real-time nudges could reduce total calories and slow down eating pace.

What this could mean

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

Active substance: sensor-based behavioral intervention
What this could lead to: If it works, this could offer a new, low-effort way to help people reduce how much they eat and eat more slowly, which may support weight management.
What could go wrong: This is a very small, early-phase trial with only 43 participants and no long-term follow-up. The device may be inconvenient or not work well in real-world settings, and results may not apply to everyone.

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Overweight

As listed by the trial registrant

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

OVERWEIGHT AND OBESITY

Contacts and locations

Locations

Boston University

Boston, Massachusetts, 02215, United States
The Miriam Hospital Weight Control and Diabetes Resarch Center

Providence, Rhode Island, 02903, United States

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