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Snap to track: study tests app for teen diet accuracy

NCT ID NCT04148560

Knowledge-focused Sponsor: Pennington Biomedical Research Center 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether a smartphone app that takes photos of meals can accurately measure how many calories teens eat. 29 adolescents used the app for three days while researchers compared the app's estimates to a precise scientific method. The goal is to improve diet tracking for teenagers.

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

29 people

The number who actually took part.

Started

Oct 2020

Finished

Dec 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

12 to 18 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: * boy or girl of any race * age between 12 and 18 years * willingness to use the RFPM/SmartIntake app for 3 days, in addition to a 1-2 day run-in period * willingness to be responsive to study staff when prompted for additional information when using the RFPM/SmartIntake app * parental support of the project, except for 18-year-olds Exclusion Criteria: * Individuals may not qualify for this study based on other eligibility criteria not listed. The study coordinator determine this on a case-by-case basis

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As listed by the trial registrant

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

Dietary assessment Energy intake Food intake Food photography

Contacts and locations

Locations

  • Pennington Biomedical Research Center

    Baton Rouge, Louisiana, 70808, United States

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