Development of a Chatbot for Smoking Cessation Counselling for Youth Smokers Enrolled in the Youth Quitline: a Pilot Randomised Trial

The University of Hong Kong1 site in 1 country154 target enrollmentJuly 7, 2024

ConditionsTobacco Use Smoking Cessation

Overview

Phase: Not Applicable
Intervention: Not specified
Conditions: Tobacco Use
Sponsor: The University of Hong Kong
Enrollment: 154
Locations: 1
Primary Endpoint: Recruitment rate
Status: Completed
Last Updated: 5 months ago

Overview Investigators Eligibility Criteria Outcomes Sites Similar Trials

Overview

Brief Summary

The goal of this pilot trial is to develop and examine the trial feasibility and acceptability of a chatbot for smoking cessation in youth smokers. Specific aims include:

To assess how many youth smokers accept the invitation to participate in the trial
To assess the retention of the participants through 6 months after treatment initiation
To assess the acceptability of the chatbot in terms of participants' compliance and usability rating of the chatbot.
To estimate the intervention effect on abstinence outcomes
To explore the participants' perception and experiences in the chatbot

Registry

clinicaltrials.gov

Start Date

July 7, 2024

End Date

June 25, 2025

Last Updated

5 months ago

Study Type

Interventional

Study Design

Parallel

Sex

All

Investigators

Sponsor

The University of Hong Kong

Responsible Party

Principal Investigator

Tzu Tsun Luk

Research Assistant Professor

The University of Hong Kong

Eligibility Criteria

Inclusion Criteria

•Hong Kong residents aged 25 years or younger
•Used a tobacco product in the past 30 days, including cigarettes, electronic cigarettes, heated tobacco products, etc.
•Able to communicate in Chinese
•Own a smartphone with internet access

Exclusion Criteria

•Diagnosed with a mental disease or on regular psychotropic drugs, or
•Participating in other ongoing smoking cessation studies.

Outcomes

Primary Outcomes

Recruitment rate

Time Frame: Through recruitment completion, about 9 months

Number of participants divided by the number of eligible subjects

Retention rate

Time Frame: 6 months

Number of participants completed the follow-up divided by the number of participants

Biochemically-validated tobacco abstinence

Time Frame: 6 months after randomisation

Defined as a negative result of the iScreen OFD test for measuring salivary cotinine (with a cut-off of lower than 30ng/mL)

Secondary Outcomes

Self-reported 50% smoking reduction(6 months after randomisation)
Self-reported 24-hour quit attempt(6 months after randomisation)
Self-reported 7-day point-prevalence tobacco abstinence(6 months after randomisation)
Self-reported 30-day point-prevalence tobacco abstinence(6 months after randomisation)