Online CBT beneficial when delivered in real time by a therapist21st August 2009
Cognitive behavioural therapy (CBT) seems to be effective when delivered online in real time by a therapist, with benefits maintained over 8 months. This method of delivery could broaden access to CBT in primary care. These are the conclusions of an Article in this week's Global Mental Health special edition of The Lancet, written by Dr David Kessler, NIHR National School for Primary Care Research, University of Bristol, UK, and colleagues.
Despite strong evidence for its effectiveness, CBT remains difficult to access owing to a need for trained therapists. Computerised programmes have been developed to improve accessibility, but whether these interventions are responsive to individual needs is unknown. The authors investigated the efficacy of online CBT for patients with depression in primary care.
In this randomised controlled trial, 297 patients with a confirmed diagnosis of depression were recruited from 55 general practices in Bristol, London, and Warwickshire, UK. Patients received online CBT in addition to usual care (intervention, 149 patients); or usual care from their general practitioner while on an 8-month waiting list for online CBT (control, 148). The primary outcome was recovery from depression at 4 months.
The researchers found that 113 patients in the intervention group and 97 in the control group completed 4-month follow-up. 38% of patients recovered from depression in the intervention group versus 24% in the control group at 4 months. After 8 months, the proportions of patients that had recovered were 42% (intervention) and 26% (control).
The authors conclude: "The number of patients for whom online CBT is feasible and attractive will grow. It could be useful in areas where access to psychological treatment is scarce, and for patients whose first language is not English. It could make access to psychotherapies more equitable by providing a service to patients in areas or even countries where psychological treatment is not readily available. Real-time online CBT offers the flexibility and responsiveness of face-to-face CBT and is appropriate for people with severe symptoms. It affords an opportunity for reflexion and review as part of the therapeutic process, which could enhance its effectiveness."
In an accompanying Comment, Dr Gregory E Simon and Dr Evette J Ludman, Group Health Research Institute, Seattle, WA, USA, say that new communications technologies will challenge some traditional notions about the essentials of psychotherapy-as they would allow, for example, more frequent contacts instead of one hour consultations every 1-2 weeks. They conclude: "Traditional therapists might be horrified by the prospect of an overseas cognitive-behavioural call centre or live-chat centre, available whenever patients choose. But the expectations of health-care providers are not the same as evidence. And the evidence that matters concerns clinical benefit and economic value to patients, rather than appeal or value to providers."
For full Article and Comment, see: http://press.thelancet.com/CBT.pdf
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Title: Online CBT beneficial when delivered in real time by a therapist
Author: Chris May
Article Id: 12466
Date Added: 21st Aug 2009