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Can a smartphone app help older adults rebuild muscle while losing fat?

NCT ID NCT06360432

Disease control Sponsor: The Hong Kong Polytechnic 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 16, 2026 · Last updated Jul 17, 2026 · Updated 1 time

Summary

This pilot study tests whether a mobile app called EatWelLog can help older adults with sarcopenic obesity — a condition of low muscle and high body fat — better manage their diet and exercise. Forty participants aged 65 and older will use the app alongside an 8-week supervised program of personalized nutrition and group exercise. The goal is to see if the app improves muscle strength, reduces fat, and supports long-term healthy habits.

What this could mean

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

Active substance
a mobile app (EatWelLog) for daily diet self-management, plus an 8-week supervised dietary modification program and group exercise training
What this could lead to
If effective, this app could offer a practical, scalable way for older adults to manage sarcopenic obesity at home, improving muscle strength and reducing fat.
What could go wrong
This is a small pilot study with only 40 participants, so results may not apply broadly. The app's long-term benefits and user adherence are still uncertain.

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

40 people

The number who actually took part.

Started

Apr 2024

Finished

Feb 2026

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

65 years and older

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: * Aged 65 or above, and living in the community; * Having SO according to the Asian Working Group for Sarcopenia (AWGS) and the World Health Organization (WHO)'s obesity criteria for Asians: 1. Early-stage sarcopenia indicated by fulfilment of one of the following criteria; handgrip strength \<28 kg (men) and \<18 kg (women); appendicular skeletal muscle mass (ASM)/ height2 \<7 kg/m2 (men) and \<5.7 kg/m2 (women), or SPPB score of \<9; Short Physical Performance Battery (SPPB) score of \<9, 2. Obesity indicated by BMI ≥25 kg/m2, waist circumference ≥90 cm (men) and ≥80 cm (women), or body fat \>30%; * Own a smartphone with internet access; and * Proficiency in communicating, reading, and writing in Chinese, and without major hearing and vision impairments to ensure that comprehension of our instructions. Exclusion Criteria: * Individuals with diseases impacting digestion or food consumption, including severe cardiac/ pulmonary/ renal diseases, diabetes, cancer, or autoimmune disorders; * Those on medications affecting eating habits, digestion, or metabolism, such as weight loss drugs; * Persons with alcohol use disorder as defined by the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), potentially hindering dietary behaviour changes; * Those with medical implants like pacemakers that could be disrupted by the bioelectric impedance analysis (BIA's) low-level electrical currents.

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Conditions

The condition(s) this trial relates to.

Motor Activity

As listed by the trial registrant

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

Sarcopenic obesity

Contacts and locations

Locations

  • The Hong Kong Polytechnic University

    Hong Kong, Hong Kong, Hong Kong

More trials for these conditions

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