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AI chatbot coaches seniors toward healthier lives

NCT ID NCT06901037

Knowledge-focused Sponsor: The Hong Kong Polytechnic University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Sep 17, 2026 · Updated 2 times

Summary

This study tests whether a smartphone-based AI chatbot can help people aged 65 and older improve their diet and physical activity. Researchers will measure how acceptable and easy the chatbot is to use, and whether it leads to changes like eating more fruits and vegetables or walking more. The study involves 84 participants and is currently recruiting.

What this could mean

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

Active substance
AI-based chatbot program
What this could lead to
If it works, this could point toward a low-cost, scalable tool to help older adults adopt healthier habits.
What could go wrong
This is a small pilot study with only 84 participants, so results may not apply to everyone. The chatbot's effectiveness depends on how well older adults engage with the technology.

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

50 people

The number who actually took part.

Started

May 2025

Finished

Jul 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

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: * aged 65 or above. * are community-dwelling. * are proficient in Mandarin. * have an Internet connection. * have at least one instant messaging app on the smartphone or agree to download one. Exclusion Criteria: * have any neurocognitive disorders. * are unable to engage in moderate-intensity level of physical activity due to a preexisting medical condition. * live with another participant who will participate in this study.

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As listed by the trial registrant

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

Healthy lifestyle

Contacts and locations

Locations

  • The Hong Kong Polytechnic University

    Hong Kong, Hong Kong

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