Can a smartphone app keep seniors from gaining weight? new study aims to find out.

NCT ID NCT06816147

Recruiting now Prevention Sponsor: Luxembourg Institute of Health Source: ClinicalTrials.gov ↗

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

Summary

This pilot study tests a mobile app designed to help people aged 60 and older adopt healthier eating and exercise habits to prevent obesity. Thirty participants in Luxembourg will use the app for three months, and researchers will track how often they use it and how satisfied they are. The study also looks at early changes in weight, waist size, and other health markers, but its main goal is to see if the app is user-friendly and worth testing in a larger trial.

What this could mean

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

Active substance: Healthy Lifestyle Recommender Solution (HLRS) mobile app
What this could lead to: If successful, this could lead to a user-friendly digital tool that helps older adults prevent obesity and improve their diet and physical activity.
What could go wrong: This is a very small pilot study with only 30 participants and no control group. It focuses on app usage and satisfaction, not on proving health outcomes. A larger, randomized trial is needed to confirm any benefits.

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Conditions

The condition(s) this trial relates to.

Obesity Overweight obesity disorder prevention target

As listed by the trial registrant

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

OBESITY PREVENTION

Contacts and locations

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Locations

Clinical and Epidemiological Investigation Center CIEC- LCTR
RECRUITING

Luxembourg, L-1445, Luxembourg

Contact Email: •••••@•••••

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