Can a brain game help you lose more weight?

NCT ID NCT04747886

NEW Completed Disease control Sponsor: Cedars-Sinai Medical Center Source: ClinicalTrials.gov ↗

First seen Aug 17, 2026 · Last updated Aug 17, 2026

Summary

This pilot study explores whether adding a cognitive training game called PolyRules! to the WW (formerly Weight Watchers) online program can help adults with overweight or obesity lose more weight. Participants will either follow the WW program alone or combine it with the brain-training game. The study tracks changes in body mass index (BMI) over three months to see if the added training makes a difference.

What this could mean

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

Active substance: A cognitive training game called PolyRules! added to the WW (formerly Weight Watchers) online weight management program
What this could lead to: If it works, this could point toward a simple brain-training add-on that helps people stick to weight loss programs and improve results.
What could go wrong: This is a small pilot study, so results may not be conclusive. The cognitive training may not provide extra benefit beyond the standard WW program, and self-reported weights could be inaccurate.

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.

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

Pacific Design Center

West Hollywood, California, 90069, United States

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