A Pilot Randomized Controlled Trial of Chatbot Use in Older Adults for Lifestyle Change

Recruiting now · Not applicable

Conditions studied: Healthy Lifestyle

In brief

The purpose of this study is to evaluate the acceptability and preliminary effectiveness of a smartphone-delivered AI-based chatbot in promoting healthy dietary behavior and physical activity participation among older adults.

Key facts

Study ID

NCT06901037

Run by

The Hong Kong Polytechnic University

People needed

84

Starts

2025-05-01

Expected to finish

2025-12-31

Last updated by the study team

2025-09-15

Who can join

Age: 65 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• 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.

You may not qualify if…

• 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.

Where it is running

• The Hong Kong Polytechnic University — Hong Kong, Hong Kong (enrolling)

Full record on ClinicalTrials.gov

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