The present research project aims to develop an innovative and empirically validated intervention protocol for smoking cessation among patients with substance use disorders (SUDs). For this purpose, two smoking cessation treatments tailored for SUDs will be assessed. Participants will be assigned to one of the following treatment conditions: 1) Cognitive-behavioral treatment for smoking cessation (CBT) + Episodic Future Thinking (EFT); 2) The same treatment alongside Contingency Management (CM) for shaping abstinence. The main goals are: 1. To analyze the feasibility (e.g., acceptability, compliance) of implementing the abovementioned protocol treatments to a community setting. 2. To assess abstinence rates in each treatment condition at short and long-term follow-ups: post-treatment, one, two, three, six and twelve months after post-treatment. 3. To assess the effects of smoking abstinence on other substance use. 4. To analyze the moderating effect of individual variables over treatment outcomes: sociodemographic characteristics, drug demand, severity of nicotine dependence and SUD, severity of depressive symptomatology and impulsivity.
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Changes in Smoking Abstinence
Timeframe: End-of-treatment (8-week), 1, 2, 3, 6 and 12 month follow-up
Changes in Continuous abstinence
Timeframe: 1, 2, 3, 6 and 12 month follow-up since the treatment completion