Transdiagnostic versus Diagnosis-Specific Group Cognitive Behavioral Therapy for Anxiety Disorders and Depression: A Randomized Controlled Trial

Nina Reinholt, Morten Hvenegaard, Anne Bryde Christensen, Anita Eskildsen, Carsten Hjorthøj, Stig Poulsen, Mikkel Berg Arendt, Nicole Kristjansen Rosenberg, Jasmin Rejaye Gryesten, Ruth Nielsen Aharoni, Anja Johnsen Alrø, Clas Winding Christensen, Sidse Marie Arnfred

Publikation: Bidrag til tidsskriftArtikelForskningpeer review

Abstrakt

INTRODUCTION: The Unified Protocol for Transdiagnostic Treatment of Emotional Disorders (UP) delivered in a group format could facilitate the implementation of evidence-based psychological treatments.

OBJECTIVE: This study compared the efficacy of group UP and diagnosis-specific cognitive behavioral therapy (dCBT) for anxiety and depression in outpatient mental health services.

METHODS: In this pragmatic, multi-center, single-blinded, non-inferiority, randomized controlled trial (RCT), we assigned 291 patients with major depressive disorder, social anxiety disorder, panic disorder, or agoraphobia to 14 weekly sessions in mixed-diagnosis UP or single-diagnosis dCBT groups. The primary test was non-inferiority, using a priori criteria, on the World Health Organisation 5 Well-Being Index (WHO-5) at the end of the treatment. Secondary outcomes were functioning and symptoms. We assessed outcomes at baseline, end-of-treatment, and at a 6-month follow-up. A modified per-protocol analysis was performed.

RESULTS: At end-of-treatment, WHO-5 mean scores for patients in UP (n = 148) were non-inferior to those of patients in dCBT (n = 143; mean difference -2.94; 95% CI -8.10 to 2.21). Results were inconclusive for the WHO-5 at the 6-month follow-up. Results for secondary outcomes were non-inferior at end-of-treatment and the 6-month follow-up. Client satisfaction and rates of attrition, response, remission, and deterioration were similar across conditions.

CONCLUSIONS: This RCT demonstrated non-inferior acute-phase outcomes of group-delivered UP compared with dCBT for major depressive disorder, social anxiety disorder, panic disorder, and agoraphobia in outpatient mental health services. The long-term effects of UP on well-being need further investigation. If study findings are replicated, UP should be considered a viable alternative to dCBT for common anxiety disorders and depression in outpatient mental health services.

OriginalsprogEngelsk
Sider (fra-til)36-49
Antal sider14
TidsskriftPsychotherapy and Psychosomatics
Vol/bind91
Udgave nummer1
Tidlig onlinedato10 jun. 2021
DOI
StatusUdgivet - 2022

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© 2021 S. Karger AG, Basel.

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