Effectiveness of transdiagnostic group cognitive-behavioural therapy for anxiety disorders in a naturalistic clinical setting

Michelle Y. W. Jiang*, Evelyn Kandris, Yasmeen El-Masry, Juliette Drobny, Tamsen St. Clare, Jessamine T. H. Chen

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    3 Citations (Scopus)

    Abstract

    Objective: The present study evaluated the effectiveness of a transdiagnostic group-based cognitive-behavioural therapy (CBT) programme for treating anxiety, comorbid depression, and functional impairments in a hospital outpatient specialist anxiety disorders clinic. Method: 107 adult outpatients with a primary anxiety disorder completed an eight-session transdiagnostic group CBT program. Participants also completed self-report measures assessing general anxiety, anxiety disorder-specific symptoms, comorbid depression symptoms, and functional impairments. Data were collected at pre - and post-treatment, and at follow-up. Results: Significant pre- to post-treatment reductions were found on measures of state and trait anxiety, impairment in work and social functioning, comorbid depression, social anxiety, and worry severity. These treatment gains were maintained at follow-up. Limitations: There was no comparison control group in the present study given that it was conducted in a hospital setting. Some diagnostic groups were also underrepresented in the sample, which limits the conclusions that can be drawn about the effectiveness of the group treatment across anxiety disorders. Conclusions: The present findings provided preliminary support for the effectiveness and generalisability of an eight-session transdiagnostic group-based CBT delivered at a public health service, indicating its potential as a cost-effective and clinically efficient alternative to individual therapy or diagnosis-specific treatments for anxiety disorders. KEY POINTS What is already known about this topic: (1) Transdiagnostic group CBT is efficacious for treating anxiety disorders. (2) Very few studies to date have examined the effectiveness of transdiagnostic group CBT in naturalistic settings. (3) Few of the existing effectiveness studies have included disorder-specific and daily functioning measures, or conducted follow-up assessment. What this topic adds: (1) An eight-session transdiagnostic group CBT for anxiety disorders appears sufficient in leading to improvements in general and specific anxiety symptoms, work and social functioning, and comorbid depression for patients from a hospital outpatient clinic. (2) Treatment gains were maintained at follow-up. (3) Transdiagnostic group CBT is an effective, potentially cost- and resource-efficient, and easily accessible alternative to individual therapy or diagnosis-specific treatments in a naturalistic setting.

    Original languageEnglish
    Pages (from-to)69-77
    Number of pages9
    JournalClinical Psychologist
    Volume25
    Issue number1
    DOIs
    Publication statusPublished - 2021

    Keywords

    • anxiety disorders
    • depression
    • transdiagnostic
    • cognitive-behavioural therapy
    • effectiveness study
    • group therapy

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