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Eur Neuropsychopharmacol. 2016 Jun;26(6):1062-9. doi: 10.1016/j.euroneuro.2016.02.013. Epub 2016 Feb 27.

Efficacy of escitalopram in the treatment of social anxiety disorder: A meta-analysis versus placebo.

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Clinical and Experimental Sciences, University of Southampton, Southampton, UK; Department of Psychiatry and Mental Health, University of Cape Town, South Africa. Electronic address:
Health Care Center and Department of Psychiatry, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, Japan.
Clinical Research Centre, Ohyachi Hospital, Sapporo, Hokkaido, Japan.
Mochida Pharmaceutical Co., Ltd., Tokyo, Japan.
H Lundbeck A/S, Valby, Denmark.


Escitalopram is the most selective of the serotonin reuptake inhibitor (SSRI) antidepressants. We conducted a meta-analysis of placebo-controlled studies where escitalopram was used to treat patients with social anxiety disorder (SAD). Data from all randomised, double-blind placebo-controlled studies in SAD with escitalopram from both specialist settings and general practice were used. Patients met the DSM-IV criteria for SAD, were ≥18 years old, and had a Liebowitz Social Anxiety Scale (LSAS) ≥60. The primary outcome measure was the estimated treatment difference in LSAS total score at Week 12. Secondary outcome measures included the estimated treatment difference in the Clinical Global Impression-Severity (CGI-S) score at Week 12. A total of 1598 patients from 3 randomised controlled trials were included in the analyses. Escitalopram (n=1061) was superior to placebo (n=537), with an estimated treatment difference on the LSAS of -9.2 points (95%CI: [-14.4; -4.0], p<0.01) (escitalopram 5mg/day), -4.6 points (95%CI: [-8.1; -1.0], p<0.01) (escitalopram 10mg/day), -10.1 points (95%CI: [-13.7; -6.5], p<0.01) (escitalopram 20mg/day) and -7.3 points (95%CI: [-12.3; -2.2], p<0.01) (escitalopram 10-20mg/day). For the CGI-S, the corresponding values were -0.55 points (95%CI: [-0.79; -0.31], p<0.01) (escitalopram 5mg/day), -0.26 points (95%CI: [-0.42; -0.10], p<0.01) (escitalopram 10mg/day), -0.48 points (95%CI: [-0.64; -0.31], p<0.01) (escitalopram 20mg/day) and -0.29 points (95%CI: [-0.51; -0.07], p<0.05) (escitalopram 10-20mg/day). The withdrawal rate due to adverse events was 7.2% for escitalopram, compared with 4.3% for placebo (p<0.05). In this meta-analysis, all doses of escitalopram showed significant superiority in efficacy versus placebo in the treatment of patients with SAD.


Efficacy; Escitalopram; LSAS; Meta-analysis; Placebo; Social anxiety disorder

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