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Disorder-specific versus transdiagnostic and clinician-guided versus self-guided treatment for major depressive disorder and comorbid anxiety disorders: A randomized controlled trial

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posted on 2023-05-18, 16:20 authored by Titov, N, Dear, BF, Staples, LG, Terides, MD, Karin, E, Sheehan, J, Johnston, L, Gandy, M, Fogliati, VJ, Wootton, BM, McEvoy, PM
Disorder-specific cognitive behavior therapy (DS-CBT) is effective at treating major depressive disorder (MDD) while transdiagnostic CBT (TD-CBT) addresses both principal and comorbid disorders by targeting underlying and common symptoms. The relative benefits of these two models of therapy have not been determined. Participants with MDD (n = 290) were randomly allocated to receive an internet delivered TD-CBT or DS-CBT intervention delivered in either clinician-guided (CG-CBT) or self-guided (SG-CBT) formats. Large reductions in symptoms of MDD (Cohen’s ≥ 1.44; avg. reduction ≥ 45%) and moderate-to-large reductions in symptoms of comorbid generalised anxiety disorder (Cohen’s d ≥ 1.08; avg. reduction ≥ 43%), social anxiety disorder (Cohen’s d ≥ 0.65; avg. reduction ≥ 29%) and panic disorder (Cohen’s d ≥ 0.45; avg. reduction ≥ 31%) were found. No marked or consistent differences were observed across the four conditions, highlighting the efficacy of different forms of CBT at treating MDD and comorbid disorders.

History

Publication title

Journal of Anxiety Disorders

Volume

35

Pagination

88-102

ISSN

0887-6185

Department/School

School of Psychological Sciences

Publisher

Pergamon-Elsevier Science Ltd

Place of publication

United States

Rights statement

Copyright 2015 The Authors Licensed under Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) https://creativecommons.org/licenses/by-nc-nd/4.0/

Repository Status

  • Open

Socio-economic Objectives

Mental health

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