Feasibility and Efficacy of Cognitive-Behavioral Therapy for Patients With ADHD/Behavioral Addiction Comorbidity

Who May Qualify: - Patient over 18 (age ≥ 18 years) - Patient treated in an outpatient addictology department at the CHU of Brest, Nantes or Tours and presenting an ADHD/behavioral addiction comorbidity - Patient affiliated to a social security scheme - For patients treated with methylphenidate: no change in treatment dosage during the previous three months. - For patients not treated with methylphenidate: no introduction of methylphenidate within the next three months. Who Should NOT Join This Trial: - Patients with psychotic disorders (assessed by clinician) - Pregnant or breast-feeding women - Patients under protective supervision (guardianship or curatorship) - Persons under court protection - Persons deprived of their liberty - Patients who do not meet the eligibility criteria for CBT (e.g., cognitive impairment, hearing impairment). - Physical inability to participate in CBT sessions (e.g., lack of telephone, foreseeable unavailability). - Difficulty understanding self-questionnaires, including illiteracy. - Participation in another interventional research protocol involving another psychotherapeutic or pharmacological intervention that may have an impact on clinical outcome. Always talk to your doctor about whether this trial is right for you.