RESUMEN
FUNDAMENTALS: Cognitive-behavioral therapy can reduce gambling behavior and other symptoms of pathological gambling. AIM: To synthesize and analyze the evidence on the efficacy of cognitive-behavioral interventions to improve the quality of life of people with pathological gambling. METHODOLOGY: Systematic review with a narrative synthesis of clinical trials published in English and Spanish in Medline, Scopus, Web of Science, CINAHL, The Cochrane Library Plus, PsycoInfo, and ProQuest of articles until January 2020 that will analyze this phenomenon. The PRISMA Declaration was followed and the quality of the articles was analyzed with the Jadad scale. RESULTS: 1233 articles were found, including nine in the review. Two studies confirmed the efficacy of cognitive behavioral therapy-based interventions for improving the quality of life in people with pathological gambling. In addition, these interventions improved depression, anxiety, the amount of money played, and reduced alcohol consumption and the gambling diagnosis score, which had an impact on improving the quality of life. Cognitive behavioral interventions were more effective when it was supported by a manual or when were combined with Mindfulness or Player Anonymous sessions. Having better long-term results in these cases. CONCLUSIONS: Cognitive behavioral-based interventions can improve the quality of life of people with pathological gambling and other psychological variables without being its immediate effect. Future research should analyze whether they are more efficacy online or in person, individually, or in groups, and the number of sessions required for their effects to last over time.