IRCT2014010516085N1 IRCT 2014-03-13 Deputy of Research of Medicine School of Shahid Beheshti University of Medical Sciences The clinical trial of the comparison of Transdiagnostic Therapy with cognitive- behavior therapy on patients with depression and anxiety disorders The clinical trial of the comparison of Transdiagnostic Therapy with cognitive- behavior therapy on emotion regulation strategies in patients with emotional disorders 2012-07-09 anticipated 23 Complete https://irct.ir/trial/15147 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A anxiety disorders and depression. Intervention 1: Treatment in the transdiagnostic condition consisted of 8 weekly 45 minute sessions following unified protocol. The unified protocol consists of five core treatment modules: (a) increasing present-focused emotion awareness (b) increasing cognitive flexibility (c) identifying and preventing emotion sensations and (e) emotion-focused exposure (Allen, McHugh, & Barlow, 2008; Barlow, Ellard, et al., 2011). The first session was focused on motivation enhancement for treatment engagement and change. The second session emotional understanding was focused, and the third session cognitive reappraisals were trained. The focus of fourth and fifth sessions was emotional avoidance and emotion-focused behaviors. And the content of sixth session was awareness and tolerance of physical sensations. The final two sessions was focused on introceptive and situational emotion exposures. Intervention 2: In the CBT condition, we conducted 8 weekly 45 minute session following cognitive-behavioral diagnosis- specific manuals.