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AI coaches teens to ditch junk food in landmark study

NCT ID NCT07514312

Prevention Sponsor: Istanbul Gelisim University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether an AI-powered app can help 1,000 teens and young adults eat less ultra-processed food. The app sends personalized, non-coercive nudges based on real-time diet tracking. If it works, it could offer a simple, scalable way to prevent obesity and related diseases.

What this could mean

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

Active substance
AI-supported digital nudging intervention
What this could lead to
If successful, this could offer a scalable, low-cost way to help young people eat less junk food and reduce their risk of obesity and chronic diseases.
What could go wrong
This is an early-stage behavioral study with no drug or device. Results depend on participants sticking with the app, and real-world impact may be limited.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 1,000 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Jun 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

12 to 25 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adolescents aged 12 to 25 years * Ownership of a smartphone or regular access to a digital device * Ability to use the digital intervention platform * Willingness to provide informed consent (and parental consent where applicable) * Regular consumption of ultra-processed foods at baseline Exclusion Criteria: * Presence of medical conditions requiring a specific therapeutic diet * Participation in another dietary or behavioral intervention study * Severe cognitive or psychological conditions that may impair participation * Inability to use digital tools or applications

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Conditions

The condition(s) this trial relates to.

Noncommunicable Diseases

As listed by the trial registrant

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

Dietary behaviour Non-communicable chronic diseases Obesity prevention Ultra-processed food consumption Unhealthy diet

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

More trials for these conditions

Other studies related to the condition(s) this trial covers.