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A Large Language Model-based Chatbot for Alcohol Reduction in Patients With Metabolic Alcohol-Related Liver Disease

A Large Language Model-based Chatbot for Alcohol Reduction Counseling in MetALD Patients: A Pilot Randomized Controlled Trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07450144
Enrollment
50
Registered
2026-03-04
Start date
2026-03-18
Completion date
2027-07-22
Last updated
2026-03-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Metabolic Dysfunction-Associated Steatotic Liver Disease, Metabolic Alcohol-Related Liver Disease

Keywords

drinking, Chinese, mHealth, WhatsApp, BCTs, COM-B model, cirrhosis, Large language model, AI-based chatbot

Brief summary

The goal of this pilot randomized controlled trial is to evaluate the trial feasibility and acceptability of LLM-based chatbot for reducing alcohol use among patients with metabolic alcohol-related liver disease. Specific objectives include: 1. To assess how many MetALD patients accept the invitation to participate in the trial 2. To assess the retention rate of the participants through 3 and 6 months after treatment initiation 3. To assess the acceptability of the LLM-based chatbot in terms of participants' compliance and usability rating 4. To estimate the intervention effect on alcohol reduction 5. To explore the participants' perception and experiences in the chatbot

Interventions

BEHAVIORALLLM-based chatbot

Over the three months following randomisation, an LLM-based chatbot will interact with each participant individually to deliver four personalized sessions of alcohol reduction information and advice, and participants will also be allowed to contact the chatbot at any time.

BEHAVIORALTelephone counseling

Over the three months following randomisation, a trained counsellor will conduct four individual daytime telephone sessions with each participant to provide personalised information and advice on reducing alcohol consumption.

Brief counselling (5 to 10 mins) to reduce drinking and a self-help booklet

Sponsors

The University of Hong Kong
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)

Masking description

Single (Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1\. Hong Kong residents aged 18 years or above 2. Diagnosed of MASLD: 1. Evidence of hepatic steatosis (fat accumulation in the liver) confirmed by imaging techniques such as ultrasound, computed tomography (CT), magnetic resonance imaging (MRI), or liver biopsy 2. Presence of metabolic dysfunction, indicated by at least one of the following: * Overweight or obesity (body mass index \[BMI\] ≥25 kg/m²), * Type 2 diabetes mellitus, ③Dyslipidemia (elevated triglycerides \[≥150 mg/dL\] or low high-density lipoprotein \[HDL\] cholesterol \[\<40 mg/dL for men, \<50 mg/dL for women\]), ④Hypertension (blood pressure ≥130/85 mmHg or use of antihypertensive medication). * Metabolic syndrome as defined by established criteria (e.g., International Diabetes Federation \[IDF\], Adult Treatment Panel III \[ATP III\]) 3. Alcohol consumption: males who drink 210-420 g/week (≈263-525 ml), female who drink 140-350 g/week (≈175-438 ml) 4. Intention to reduce/quit alcohol 5. Able to read and communicate in Chinese 6. Own a smartphone with internet access

Exclusion criteria

1. Diagnosed with mental disease or cognitive impairments, or 2. Participating in other ongoing clinic trials

Design outcomes

Primary

MeasureTime frameDescription
Recruitment rateThrough recruitment completion, about 12 monthsNumber of participants divided by the number of eligible subjects
Retention rate6 months after randomisationNumber of participants completed the follow-up divided by the number of participants
Weekly alcohol consumption3 months after randomisationAssessed by questions 1 and 2 of AUDIT-C

Secondary

MeasureTime frameDescription
Eligibility rateThrough recruitment completion, about 12 monthsNumber of eligible patients divided by the number of patients screened
Weekly alcohol consumption6 months after randomisationAssessed by questions 1 and 2 of AUDIT-C
Frequency of binge drinking in the past 30 days3 months after randomisationSelf-reported
Frequency of heavy drinking in the past 30 days3 months after randomisationSelf-reported
AUDIT score and level3 months after randomisationAssessed by the Alcohol Use Disorders Identification Test
Planned drinking in the coming 30 days3 months after randomisationSelf-reported

Countries

Hong Kong

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 24, 2026