New app helps cancer patients kick the habit
NCT ID NCT05643469
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a mobile app program to help smokers with cancer quit. Participants can choose their own quit schedule and receive supportive text messages. The goal is to see if this personalized approach leads to more people quitting compared to standard advice. The study involves 1,448 smokers with cancer in Hong Kong.
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
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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
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About 1,448 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2023
- Expected to finish
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May 2026
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * smoked weekly in the last 6 months, * diagnosed with any cancer for at least 6 months and at all cancer stages (I, II, III, or IV), * aged 18 years or above and can communicate in Cantonese, and * own a smartphone and able to use instant messaging (e.g. WhatsApp or WeChat) Exclusion Criteria: * individuals with unstable medical conditions, poor cognitive state, or mental illness as advised by the doctor in charge and noted on their medical records, and * those participating in other smoking cessation programmes.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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The Chinese University of Hong Kong
RECRUITINGHong Kong, Hong Kong
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