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This study aims to develop an App-based intervention (CANQUIT) aimed at regular cannabis users. The efficacy of this intervention will be evaluated in the short-term (1-month follow-up) and long-term (3- and 6-months follow-ups) using a sample of 120 participants. Participants will be randomly assigned to the experimental arm (App-assisted CBT-based intervention) or the control (App-assisted self-help guide). The study will also estimate the economic impact of the intervention by considering the benefit-cost ratio (BCR) and net benefit (in €) associated with the total cost of the program. The goal is to provide evidence that can inform policy decisions regarding cannabis use and minimize the negative consequences on the physical and mental health of young adults in Spain. This study aims to offer a cost-effective prevention strategy that minimize the negative consequences on the physical and mental health of young adults in Spain.
Full description
The aim of this study is to evaluate the efficacy and cost-effectiveness in the short (1-month) and long-term (3 and 6 months) of a digitalized intervention (CANQUIT) to reduce and/or quit cannabis among young Spanish adults.
CANQUIT is a 4-week digitalized CBT-based intervention aimed at reducing or ceasing cannabis use among regular cannabis users (at least 1 occasion of cannabis use in the previous month). It is specifically tailored to young adults (18-30 years old). CANQUIT will be available to download both on Apple Store (iOS) and Play Store (Android). Upon completion of the baseline assessment, participants will be randomly assigned 2:1 to either an experimental arm (60 participants: App-assisted CBT-based intervention) or control (60 participants: App-assisted self-help guide). Participants in the experimental arm will be exposed to seven weekly modules, which include: 1) psychoeducation regarding the benefits of ceasing cannabis use, its short and long-term effects and myths associated with its consumption, 2) training in emotion regulation strategies, stimulus control (i.e., alternatives to cannabis use), 3) behavioral activation strategies, and 4) relapse prevention (i.e., assertiveness and problem-solving abilities). Participants will also register daily consumption of cannabis (number of joints) and receive weekly recommendations regarding cannabis use reduction. To ensure adherence to treatment, CANQUIT includes gamification via direct contact with a mental health professional and social interaction with others (through an online chat).
Alternatively, participants allocated to the control group will receive a self-help guide with information based on the contents of the App. This guide will be also available through the App. As in the experimental arm, participants in the control group will also complete 1-month, 3-months and 6-months follow-ups through the App.
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120 participants in 2 patient groups
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Alba González-Roz, PhD, Assistant Professor
Data sourced from clinicaltrials.gov
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