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App-etite for change: a Four-Week feasibility randomised controlled trial of a smartphone application to support adherence to a Mediterranean-Style diet and resistance exercise

NCT ID NCT07885254

NEW Sponsor: Liverpool John Moores University Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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)
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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
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Status unknown
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First seen Oct 21, 2026 · Last updated Oct 21, 2026

Summary

Eating a Mediterranean-style diet and doing regular resistance training are both known to lower the risk of heart disease. However, most people find it hard to stick to these habits over time, and few smartphone apps support both diet and strength training together. This study tests a smartphone app called MedEx Tracker, which was developed by the research team. The app lets people record what they have eaten against a set of Mediterranean diet targets, record the weight and repetitions for each set of their resistance training, and see how they are doing through a progress screen. It also sends reminders during the day and suggests when to increase training weight. Healthy adults aged 18 to 55 will be randomly assigned to one of two groups. Both groups will be given the same Mediterranean diet targets and the same strength training programme. One group will receive this through the app; the other will receive it as a printed booklet. This means any difference between the groups should be due to the app itself rather than to different advice. Everyone will attend the laboratory before and after the four weeks for measurements and questionnaires. The main aim is to find out whether the app is usable and acceptable to participants, and whether it helps people stick to a Mediterranean-style diet and a resistance training programme. The findings will be used to decide whether the app is suitable for a larger future study.

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 30 people

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

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Mar 2027

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

18 to 55 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: * own and use a smartphone * no contraindication to exercise on a pre-activity readiness questionnaire (PARQ) Exclusion Criteria: * pregnant or nursing * presence of a dietary allergy or food intolerance * adherence to a restrictive diet (keto, carnivore, vegan, vegetarian etc)

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Conditions

The condition(s) this trial relates to.

Treatment Adherence and Compliance

As listed by the trial registrant

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

Healthy volunteers Mediterranean diet Resistance exercise Treatment adherence and compliance

How to take part

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  1. The places running it

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  2. The official record

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  3. A doctor treating you

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Contacts and locations

Locations

  • Liverpool John Moores University

    Liverpool, Merseyside, L3 3AF, United Kingdom

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