Chatbot therapy: new app aims to curb heavy drinking
NCT ID NCT07238998
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a friendly chatbot app can help high-risk drinkers reduce their alcohol intake. About 220 adults who want to drink less will use the app for four weeks, and researchers will check their drinking habits at 4 and 16 weeks. The goal is to see if the app's motivational conversations lead to real, lasting changes in drinking behavior.
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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 220 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2025
- Expected to finish
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Apr 2027
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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19 to 59 years
- 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: 1. Individuals aged 19 to 59 years who are capable of providing valid written informed consent. 2. Individuals who meet the definition of high-risk drinking (AUDIT score ≥ 8).3.- Individuals who express a desire to reduce their alcohol consumption. 3. Individuals who own and use an Android smartphone (version 8 or higher). 4. Individuals who have no difficulty using mobile applications. 5. Individuals who are able to communicate adequately with the research team. 6. Individuals who fully understand the study procedures and voluntarily agree to participate. Exclusion Criteria: 1. Individuals who are unable to read or understand the consent form (e.g., illiterate individuals, non-Korean speakers). 2. Individuals with impaired decision-making capacity. 3. Pregnant individuals or those planning to become pregnant during the study period. 4. Individuals who are currently participating in another clinical study. 5. Individuals who are receiving treatment or counseling for alcohol-related problems. 6. Individuals who use two or more mobile phones. 7. Individuals who are expected to change their mobile phone or SIM card, or who plan to travel 8. abroad during the intervention period. 8. Any individual deemed inappropriate for study participation at the discretion of the investigator.
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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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Severance Hospital
RECRUITINGSeoul, Seoul, 03722, South Korea
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Other studies related to the condition(s) this trial covers.
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