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Randomized Controlled Trial
. 2023 Jan;64(1):145-155.
doi: 10.1111/jcpp.13680. Epub 2022 Aug 9.

Internet-delivered therapist-assisted cognitive therapy for adolescent social anxiety disorder (OSCA): a randomised controlled trial addressing preliminary efficacy and mechanisms of action

Eleanor Leigh  1   2 , David M Clark  1   2
Affiliations
Randomized Controlled Trial

Internet-delivered therapist-assisted cognitive therapy for adolescent social anxiety disorder (OSCA): a randomised controlled trial addressing preliminary efficacy and mechanisms of action

Eleanor Leigh et al. J Child Psychol Psychiatry. 2023 Jan.

Abstract

Background: Cognitive therapy for SAD (CT-SAD) is a first-line recommended treatment for adult social anxiety disorder (SAD) and shows considerable promise for youth. However, the high prevalence of adolescent SAD and limited number of therapists presents an implementation challenge. Delivery of CT-SAD via the Internet may offer part of the solution.

Method: Forty-three youth (14-18 years) with SAD recruited through schools were randomly allocated to therapist-assisted Internet-delivered CT-SAD (called OSCA) or waitlist for 14 weeks (ISRCTN15079139).

Results: OSCA outperformed waitlist on all measures and was associated with large effects that were maintained at 6-month follow-up. In the OSCA arm, 77% of adolescents lost their SAD diagnosis at post (vs. 14% in the waitlist arm), increasing to 91% at 6-months. Beneficial effects of OSCA were mediated through changes in cognitions and safety behaviours as predicted by cognitive models of SAD. OSCA was associated with high credibility and therapeutic alliance.

Conclusions: This preliminary trial suggests OSCA holds promise as an effective, accessible treatment for adolescent SAD. Future definitive trials could compare OSCA to active comparators to examine specificity of effects.

Keywords: CBT; Social anxiety disorder; adolescent; cognitive therapy; digital; internet.

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Figures

Figure 1
Figure 1
Participant flow through the trial [Color figure can be viewed at wileyonlinelibrary.com]
Figure 2
Figure 2
Mean LSAS‐CA‐SR scores for OSCA and waitlist at principal assessment points. Error bars represent 95% confidence intervals
Figure 3
Figure 3
Mean LSAS‐CA‐SR scores weekly during treatment and at follow‐up assessments for the OSCA group. Error bars represent 95% confidence intervals
See this image and copyright information in PMC

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