Concentrated transdiagnostic and cross-disciplinary group treatment for patients with depression and with anxiety: a pilot study

Gerd Kvale, Ane Wilhelmsen-Langeland, Marte Jürgensen, Sigurd William Hystad, Lars-Göran Öst, Eirik Søfteland, Tore Børtveit, Gerd Kvale, Ane Wilhelmsen-Langeland, Marte Jürgensen, Sigurd William Hystad, Lars-Göran Öst, Eirik Søfteland, Tore Børtveit

Abstract

Background: A number of treatment approaches have shown efficacy for depression and/or anxiety, yet there is a paucity of research on potentially cost-effective concentrated approaches. Based on our previous experience with concentrated treatment in disorders such as Obsessive-Compulsive Disorder and chronic fatigue, we proposed that this novel approach could be useful for other conditions, including depression and/or anxiety. As a pre-requisite for a future randomized controlled trial, the aim of this study was to investigate the acceptability, satisfaction and effectiveness of a transdiagnostic, interdisciplinary group treatment delivered during 5 consecutive days to groups of 6-10 patients with depression and/or anxiety.

Methods: This was a non-randomized clinical intervention pilot study in line with a published protocol. Forty-two consecutively referred patients, aged 19-47 (mean age 31.7, SD = 8.12) were included and completed treatment. All had a severity of their problems that entitled them to care in the specialist public mental health care. Self-reported age when the symptoms became a problem was 20.9 years. Mean number of prior treatment courses was 2.77 (SD = 2.19; range 0-8). Acceptability was defined as the proportion of eligible patients who accepted and completed the treatment. Satisfaction was evaluated by Client Satisfaction Questionnaire-8. Secondary objectives were to assess the treatment effectiveness by questionnaires at pre-treatment, seven days post-treatment and three months follow-up.

Results: The treatment was highly acceptable (91.3% accepted, all completed), and patients were highly satisfied with the treatment, including the amount. Functional impairment, as measured by Work and Social Adjustment Scale (WSAS) improved significantly (p < .0005) from "severe" (mean 25.4 SD = 6.59) to "less severe" (mean 13.37, SD = 9.43) at 3 months follow-up. Using the Generalized Anxiety Disorder Scale (GAD-7) and the Patient Health Questionnaire (PHQ-9), the effect sizes at 3 months follow-up were 1.21 for anxiety and 1.3 for depression. More than 80% reported reduced utilization of mental health care, and 67% had not used, or had used the family doctor less, for anxiety or depression. 52% had not used, or had reduced, medication for their disorder.

Conclusions: The concentrated, interdisciplinary treatment approach yielded promising results. Long-term follow up is warranted.

Trial registration: This study is registered in Clinical Trials, identifier NCT05234281 and approval date 09/02/2022.

Keywords: Anxiety; Concentrated; Depression; Group treatment; Interdisciplinary.

Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

© 2022. The Author(s).

Figures

Fig. 1
Fig. 1
Flow-chart showing patient flow through the project

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