Unified Protocol for the Transdiagnostic Treatment of Emotional Disorders in Group Format in Spain: Results of a Noninferiority Randomized Controlled Trial at 15 Months after Treatment Onset

Evidence-based psychological treatments (EBPT) are an effective and efficient solution for the treatment of emotional disorders (EDs). However, their implementation dissemination not yet widespread. The Unified Protocol Transdiagnostic Treatment EDs (UP), applied in a group format, could be option to implemented specialized public mental health services Spain. sample consisted 533 users centers (77.3% women), with mean age 42.0 years ( SD = 12.62 ), who were randomized UP format condition id="M2"> n 277 ) or as usual (specific cognitive behavioral therapy each disorder individual id="M3"> 256 ). Assessments performed at preintervention (T1) 3, 6, 9 15 months after onset (T2, T3, T4, T5, respectively). results showed main effect time both conditions all primary outcomes id="M4"> p < 0.05 no statistically significant Time id="M5"> ∗ Condition interaction. Similarly, noninferiority tests that noninferior compared TAU. Effect sizes variables higher even though differences significant. Statistically id="M6"> evolution diagnostic criteria comorbidity found, highest percentage patients longer meeting secondary diagnosis assessment moments (except T3). retention between being one less dropouts. Finally, participants high satisfaction treatment. is EBPT has been shown when groups may represent its This trial registered NCT03064477.