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A mobile app aims to turn health awareness into action — a trial puts it to the test

NCT ID NCT07720245

Prevention Sponsor: The University of Hong Kong Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 22, 2026 · Last updated Jul 23, 2026 · Updated 1 time

Summary

This trial tests whether a mobile app called Wellnuts can help healthy adults aged 25–65 in Hong Kong become more aware of their health risks and take action. Participants use the app to assess their risk for conditions like diabetes, heart disease, and certain cancers, and receive tailored recommendations. The study compares the app's impact against standard online health resources to see if it leads to more doctor visits and healthier lifestyles.

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 called Wellnuts that provides self-health assessments and recommendations
What this could lead to
If effective, the app could help people catch health issues earlier and reduce the burden of chronic diseases like diabetes and heart disease.
What could go wrong
This is an early-stage trial with no results yet. The app may not change behavior, and participants might not follow through on recommendations.

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 574 people

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

Started

Jun 2024

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

25 to 65 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: * Hong Kong residents self-reported age of 25-65 years; * Possesses a smartphone capable of running mobile apps (e.g. Android or iPhone) and; * Able to read either English or Chinese. Exclusion Criteria: * Individuals having any symptoms or feeling unwell in anyways as detailed in the Disclaimer at the launch of the app; or * Individuals reporting a current diagnosis of cardiovascular disease, lung cancer, hepatitis B, colorectal cancer, diabetes, sexually transmitted diseases, depression, anxiety and mild cognitive impairment and memory loss.

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Conditions

The condition(s) this trial relates to.

Chronic Disease colorectal cancer colorectal neoplasm hepatitis B virus infection lung cancer lung neoplasm

As listed by the trial registrant

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

Colorectal cancer CVD risk Diabetes risk HBV Lung cancer

How to take part

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

  1. The places running it

    1 site. The list below names each one and where it is.

  2. 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 ↗

  3. 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.

Contacts and locations

Locations

  • District Health Centre/Expresses (DHC/E) in Yau Tsim Mong, Sha Tin and Kwai Tsing

    RECRUITING

    Hong Kong, Hong Kong

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