Cited by 366Anxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesNeuroendocrine regulation and behaviorStress Responses and Cortisol

A randomized controlled trial of intranasal oxytocin as an adjunct to exposure therapy for social anxiety disorder

Guastella, Adam J., Howard, Alexandra L., Dadds, Mark.R., Mitchell, Philip, Carson, Dean S.·2009·Psychoneuroendocrinology

Abstract

In humans, oxytocin nasal administration reduces social-threat perception and improves processes involved in communication and the encoding of positive social cues. The aim of this study was to determine whether oxytocin given as an adjunct to exposure therapy improves treatment for social anxiety disorder (SAD) as indicated by a comprehensive set of symptom outcome measures. In a randomized, double-blind, placebo-controlled trial, we administered 24 IU of oxytocin or a placebo in combination with exposure therapy to twenty-five participants who met primary diagnosis for SAD. Participants administered with oxytocin showed improved positive evaluations of appearance and speech performance as exposure treatment sessions progressed. These effects did not generalize to improve overall treatment outcome from exposure therapy. Participants who received oxytocin or placebo reported similar levels of symptom reduction following treatment across symptom severity, dysfunctional cognition, and life-impairment measures. This study shows that the administration of oxytocin improves mental representations of self, following exposure therapy. These effects may be either short term or situation specific. Future research is now needed to determine whether oxytocin can enhance treatment outcomes for SAD when used with greater frequency, with a wider variety of social learning experiences, and in conjunction with interventions that more specifically target change in broader dysfunctional cognitions.

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Crossref · 10.1016/j.psyneuen.2009.01.005

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Authors
Guastella, A. J., Howard, A. L., Dadds, M. R., Mitchell, P., & Carson, D. S.
Affiliations
  • The University of Sydney (AU)
  • UNSW Sydney (AU)
  • Black Dog Institute (AU)
Corresponding author
Guastella, Adam J.
Venue
Psychoneuroendocrinology
Publisher
Elsevier BV
Published
2009-07
Volume
34
Issue
6
Pages
917-923
ISSN
0306-4530 (ISSN-L)
OpenAlex
W2124566592
Cited by
366
References
47
Citations by year
2026: 9 · 2025: 7 · 2024: 23 · 2023: 10 · 2022: 16 · 2021: 13 · 2020: 14 · 2019: 17 · 2018: 17 · 2017: 34 · 2016: 23 · 2015: 29 · 2014: 41 · 2013: 33 · 2012: 25
FWCI
33.80
Type
journal article
Language
en
Open access
closed
Locations
  • Psychoneuroendocrinology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • University of New South Wales
  • LG Display
  • National Health and Medical Research Council
Topics
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
oxytocin, intranasal administration, social anxiety disorder, exposure therapy, adjunctive therapy, self-perception, dysfunctional cognitions, speech performance, appearance evaluation, social threat perception
MeSH terms
Administration, Intranasal, Adult, Aged, Anxiety, Desensitization, Psychologic, Humans, Male, Middle Aged, Oxytocin, Phobic Disorders, Placebos, Social Behavior Disorders, Psychological Distance, Speech, Task Performance and Analysis

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