Can grocery receipts unlock the secrets of obesity treatment?

NCT ID NCT04788836

First seen Aug 05, 2026 · Last updated Aug 06, 2026 · Updated 1 time

Summary

This study investigates how obesity treatments, such as bariatric surgery or medication, influence food purchasing habits in daily life. Researchers will collect digital receipts from loyalty cards and have participants fill out questionnaires over several years. By analyzing these receipts, they aim to see if treatments lead to healthier food choices. The study includes adults with obesity who are undergoing or have recently started treatment.

What this could mean

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

Active substance
Collection of digital receipts from grocery shopping and questionnaires
What this could lead to
If successful, this could reveal how obesity treatments like surgery or medication change real-world food purchases, guiding better support for healthier eating.
What could go wrong
This is an observational study, so it cannot prove cause and effect. Results may be limited by the accuracy of receipt data and may not apply to everyone.

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Conditions

The condition(s) this trial relates to.

Food Preferences Obesity obesity disorder

As listed by the trial registrant

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

Contacts and locations

Locations

  • Department of Diabetes, Endocrinology, Clinical Nutrition and Metabolism, Inselspital, Bern University Hospital

    Bern, 3010, Switzerland

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