Mindfulness-Based Cognitive-Behavioral Therapy for Gambling Disorder

Study Overview
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Brief Summary
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To compare two group psychological interventions for Gambling Disorder in terms of effectiveness and efficacy. One group is based in cognitive-behavioral therapy (TAU) and the other group is based in TAU with Mindfulness-Based Relapse Prevention (Chawla, Marlatt & Gordon, 2011). Both interventions are composed by 14 weekly sessions, and follow-up to a month, three months, six months, one and two years.

Official Title
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Mindfulness-Based Cognitive-Behavioral Therapy for Gambling Disorder

Conditions
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Gambling Disorder

Intervention / Treatment
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* Behavioral: Mindfulness-Based Cognitive-Behavioral Therapy


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Gambling Disorder (DSM-5; APA, 2013). 18 years or older. Males and females. Exclusion Criteria: Current psychosis or other severe/acute mental disorder. Current substance abuse. Intellectual disability. Under 18 years.

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 80 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Mindfulness-Based Cognitive-Behavioral Therapy<br> | Behavioral: Mindfulness-Based Cognitive-Behavioral Therapy<br>* Both arms have the same intervention techniques (relative intervention, stimulus control and others) except relapse prevention sessions. In the experimental arm, these sessions are carried out from Mindfulness, and in the active comparator is the usual relapse prevention.<br>|
| Active Comparator: Cognitive-Behavioral Therapy<br> | Behavioral: Mindfulness-Based Cognitive-Behavioral Therapy<br>* Both arms have the same intervention techniques (relative intervention, stimulus control and others) except relapse prevention sessions. In the experimental arm, these sessions are carried out from Mindfulness, and in the active comparator is the usual relapse prevention.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| South Oaks Gambling Screen (SOGS; Lesieur and Blume, 1987) |  | 5 minuts | 
| DSM-IV-TR (APA 2000) |  | 5 minuts | 
| Difficulties in Emotion Regulation Scale (DERS, Gratz and Roemer, 2004) |  | 5 minuts | 
| Five Facets Mindfulness Questionnaire (FFMQ; Baer et al. 2006) |  | 5 minuts | 
| EQ-Decentering (Soler et al., 2014) |  | 5 minuts | 
| Gambling Related Cognitions Scale (GRCS; Raylu & Oei, 2004) |  | 5 minuts | 
| MBRP - Adherence and Competence Scale (Chawla et al. 2010 |  | 90 minuts (by co-therapist) | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Temperament and Character Inventory-Revised (TCI-R; Cloninger 1999) |  | 20 minuts | 
| Symptom Checklist-Revised (SCL-90-R; Derogatis 1990) |  | 20 minuts | 
| UPPS (Whiteside and Lynam, 2001) |  | 10 minuts | 
| URICA - problem gambling (Gómez-Peña et al. 2011) |  | 10 minuts | 
| AUDIT (OMS, 1989) |  | 5 minuts | 
| DUDIT (Berman et al. 2003) |  | 5 minuts |