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AI tailors weight loss coaching to each person, trial puts it to the test

NCT ID NCT05231824

Disease control Sponsor: Oregon Research Institute Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 04, 2026 · Last updated Sep 04, 2026

Summary

This trial tests whether an artificial intelligence system can improve weight loss coaching by personalizing it for each participant. Adults with overweight or obesity receive either standard weekly group coaching or an AI-optimized version that adjusts the type and intensity of support based on data from a wireless scale, phone app, and wrist tracker. The study compares weight change and costs over one year to see if the AI approach works better.

What this could mean

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

Active substance
AI-optimized behavioral weight loss treatment, which adjusts coaching intensity and type based on participant data
What this could lead to
If it works, this could make weight loss programs more effective and cost-efficient by personalizing coaching in real time.
What could go wrong
The trial is early and the AI system may not outperform standard care. Success depends on participants consistently using the digital tools.

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

301 people

The number who actually took part.

Started

Mar 2022

Finished

Feb 2025

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

18 to 70 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Individuals must be of overweight or obese BMI (27-50 kg/m) * Individuals must be adults (aged 18-70) * Able and willing to engage in the remote program * Able to engage in physical activity (defined as walking two city blocks without stopping) * Individuals must also provide consent for the research team to contact their personal physician if necessary, to provide clearance or to consult about rapid weight loss * Access and willingness to use an Apple or Android smartphone * Satisfactory completion of all enrollment procedures Exclusion Criteria: * Medical condition (e.g., cancer, type I diabetes, psychosis, full-threshold eating disorder) that may pose a risk to the participant during intervention or cause a change in weight * Currently pregnant, breastfeeding, or planning to become pregnant in the next 12 months * Recently began or changed the dosage of medication that can cause significant change in weight * History of bariatric surgery * Weight loss of \> 5% in the previous 3 months

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Weight Loss

As listed by the trial registrant

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

Obesity Weight loss

Contacts and locations

Locations

  • Drexel University Center for Weight, Eating and Lifestyle Science

    Philadelphia, Pennsylvania, 19104, United States

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