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A Randomized Controlled Trial of Cognitive Behavioural Therapy as an Adjunct to Pharmacotherapy in Primary Care Based Patients with Treatment Resistant Depression: A Pilot Study

Published online by Cambridge University Press:  21 August 2007

Nicola J Wiles ,
Sandra Hollinghurst ,
Victoria Mason ,
Meyrem Musa ,
Victoria Burt ,
Julia Hyde ,
Bill Jerrom ,
Glyn Lewis  and
David Kessler
Nicola J Wiles*
Affiliation:
University of Bristol, UK
Sandra Hollinghurst
Affiliation:
University of Bristol, UK
Victoria Mason
Affiliation:
University of Bristol, UK
Meyrem Musa
Affiliation:
University of Bristol, UK
Victoria Burt
Affiliation:
North Somerset Specialist Drug and Alcohol Service, Weston-Super-Mare, UK
Julia Hyde
Affiliation:
University of Bristol, UK
Bill Jerrom
Affiliation:
Avon and Wiltshire Mental Health Partnership NHS Trust, Bristol, UK
Glyn Lewis
Affiliation:
University of Bristol, UK
David Kessler
Affiliation:
University of Bristol, UK
*
Reprint requests to Nicola J. Wiles, Academic Unit of Psychiatry, Department of Community Based Medicine, University of Bristol, Cotham House, Cotham Hill, Bristol BS6 6JL, UK. E-mail: nicola.wiles@bristol.ac.uk
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Abstract

No randomized controlled trials (RCTs) have been conducted of cognitive behavioural therapy (CBT) for depressed patients who have not responded to antidepressants, yet CBT is often reserved for this group. We conducted a pilot study for a pragmatic RCT of the clinical effectiveness of CBT as an adjunct to pharmacotherapy in primary care based patients with treatment resistant depression (TRD). Patients on antidepressants for at least 6 weeks were mailed a study invitation by their GP. Those who consented to contact were mailed a questionnaire. TRD was defined as compliance with medication (self-report) and Beck Depression Inventory (BDI) ≥ 15. Those who met ICD-10 depression criteria were eligible for randomization and followed after 4 months. Of 440 patients mailed, 65% responded and 72% consented to contact. Ninety-four percent completed the questionnaire and 82 patients (42%) had TRD. Thirty were subsequently identified as ineligible and 10 did not participate further. Twenty-six of the remaining 42 patients met ICD-10 depression criteria and 25 agreed to being randomized. Twenty-three patients completed the 4-month follow-up questionnaire. Recruitment into a RCT to examine the effectiveness of CBT as an adjunct to pharmacotherapy in primary care based patients with TRD appears feasible and should now be conducted.

Keywords

CBTtreatment resistancedepressionprimary care
Type
Research Article
Information
Behavioural and Cognitive Psychotherapy , Volume 36 , Issue 1 , January 2008 , pp. 21 - 33
Copyright
Copyright © British Association for Behavioural and Cognitive Psychotherapies 2007

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