Mobile Chat Messaging for Smoking Relapse Prevention

Status Recruiting

Clinical Trial Summary

Most smokers return to smoking (relapse) after making a quit attempt, but evidence of effective intervention to prevent relapse is scarce. Taking advantage of recent advances in mobile technologies, this study aims to evaluate the effectiveness of a mobile chat messaging-based relapse prevention intervention in promoting successful quitting in people who recently quit smoking (recent abstainers) using a randomised controlled trial design.

Clinical Trial Description

Most smokers who made quit attempts and achieved short-term abstinence return to smoking (relapse) over time, even when aided by effective smoking cessation treatment. Since relapse mostly occurred in the first 4 weeks of abstinence, relapse prevention in the early phase of abstinence could potentially boost long-term abstinence. Several behavioural interventions for smoking relapse prevention have been proposed and tested in RCTs. Yet, a 2019 Cochrane review did not find traditional approaches, including self-help materials, telephone counselling and group therapy, effective in increasing long-term abstinence at 6 months or longer. The widespread use of mobile devices has provided a highly accessible and scalable means for novel behavioural interventions for smoking cessation. A formative qualitative study in current smokers conducted by the investigators showed that mobile chat messaging is a feasible and acceptable platform for delivering smoking cessation support. A subsequent cluster randomised controlled trial on 1148 smokers found that mobile chat messaging combined with brief intervention was effective in increasing biochemically validated abstinence at 6 months. Nonetheless, whether mobile chat messaging could prevent relapse in recent abstainers has remained untested. The investigators did a pilot trial to confirm the feasibility and acceptability of mobile chat messaging for relapse prevention in recent abstainers. This study aims to evaluate the effectiveness of mobile chat messaging relapse prevention intervention in promoting abstinence in recent abstainers. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05370352
Study type	Interventional
Source	The University of Hong Kong
Contact	Tzu Tsun Luk, PhD, RN
Phone	39177574
Email	lukkevin@hku.hk
Status	Recruiting
Phase	N/A
Start date	March 14, 2023
Completion date	January 31, 2025

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.