Aim and Background: Attention of new treatments is important to reduce the problems of people with generalized anxiety disorder. Accordingly, the aim of present study was to comparison of effectiveness of barlow\\\'s transdiagnostic, and Menin and Fresco’s emotion regulation therapy in the symptoms of generalized anxiety disorder. Methods and Materials: Four patients with generalized anxiety disorder who had complete symptoms of this disorder based on multidimensional evaluation (generalized anxiety questionnaire and clinical interview) were selected by purposeful sampling. This study was a case report. The Transdiagnostic protocol and emotion regulation therapy were administered in two phases: baseline, 15 and 16 sessions, and two months follow-up. Subjects responded to general anxiety disorder questionnaire, clinical global impressions, clinical satisfaction questionnaire, and working alliance inventory. Data were analyzed using visuals inspection, effect size index and improvement percentage. Findings: The results showed that transdiagnostic and emotion regulation therapy have positive efficient on treatment\\\'s target. However, transdiagnostic therapy was more effective in relieving symptoms of generalized anxiety than in emotion regulation therapy. Conclusions: Transdiagnostic therapy and emotion regulation therapy are effective in reducing symptoms of generalized anxiety disorder and the effectiveness of Transdiagnostic therapy is greater than emotion regulation therapy

کلمات کلیدی