A Multicenter, Randomized, Double-blind, Placebo-Controlled Trial ofParoxetine in Children and Adolescents With Social Anxiety Disorder | Adolescent Medicine | JAMA Psychiatry | JAMA Network
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Original Article
November 2004

A Multicenter, Randomized, Double-blind, Placebo-Controlled Trial ofParoxetine in Children and Adolescents With Social Anxiety Disorder

Author Affiliations

Author Affiliations: University of Texas MedicalBranch, Galveston (Dr Wagner); University of Cape Town Medical School/GrooteSchuur Hospital, Cape Town, South Africa (Dr Berard); University of CaliforniaSan Diego, La Jolla (Dr Stein); GlaxoSmithKline Pharmaceuticals, King of Prussia,Pa (Ms Wetherhold, Mr Carpenter, and Dr Perera); and GlaxoSmithKline Pharmaceuticals,New Frontiers Science Park, Harlow, England (Dr Gee and Mss Davy and Machin).

Arch Gen Psychiatry. 2004;61(11):1153-1162. doi:10.1001/archpsyc.61.11.1153
Abstract

Background  Social anxiety disorder is a debilitating, highly prevalent disorder in children and adolescents. If left untreated, it can interfere with emotional, social, and school functioning.

Objective  To evaluate the efficacy and tolerability of paroxetine in children and adolescents with social anxiety disorder.

Design and Setting  Multicenter, 16-week, randomized, double-blind, placebo-controlled, flexible-dose, parallel-group, outpatient study.

Patients  A total of 322 children (8-11 years of age) and adolescents (12-17 years of age) with social anxiety disorder as their predominant psychiatric illness.

Intervention  Eligible patients were randomized (1:1) to receive paroxetine (10-50 mg/d) or placebo.

Results  Four hundred twenty-five patients were screened, and 322 were randomized to treatment. Of these, 319 were included in the intention-to-treat population (paroxetine, n = 163; placebo, n = 156). At the week 16 last observation carried forward end point, the odds of responding (Clinical Global Impression-Improvement score of 1 or 2) were statistically significantly greater for paroxetine (77.6% response [125/161]) than for placebo (38.3% response [59/154]) (adjusted odds ratio, 7.02; 95% confidence interval, 4.07 to 12.11; P<.001). The proportion of patients who were “very much” improved (Clinical Global Impression-Improvement score of 1) was 47.8% (77/161) for paroxetine compared with 14.9% (23/154) for placebo. Adverse events occurring at an incidence of 5% or greater for paroxetine and twice that for placebo were insomnia (14.1% vs 5.8%), decreased appetite (8.0% vs 3.2%), and vomiting (6.7% vs 1.9%). Withdrawals due to adverse events were infrequent (5.5% [9/163] for paroxetine and 1.3% [2/156] for placebo).

Conclusion  Paroxetine is an effective, generally well-tolerated treatment for pediatric social anxiety disorder.

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