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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Levetiracetam in generalized social anxiety disorder: a double-blind, randomized controlled trial.

OBJECTIVE: This multicenter, double-blind, placebo-controlled, 2-arm, parallel-group study was carried out to determine the effectiveness and safety of the novel anticonvulsant levetiracetam for the treatment of generalized social anxiety disorder (GSAD). METHOD: After a 1-week, single-blind, placebo run-in period, 217 adult outpatients meeting DSM-IV criteria for social anxiety disorder, generalized type, were randomly assigned (1:1) to 12 weeks of double-blind treatment with either levetiracetam (n = 111) or placebo (n = 106). Participants were required to have scores of >or= 60 on the Liebowitz Social Anxiety Scale (LSAS) and a total score of <or= 17 on the 17-item Hamilton Depression Rating Scale (HDRS). The primary outcome measure was mean change from baseline on LSAS total score. Levetiracetam was initiated at 250 mg/d and flexibly titrated up to a maximum dose of 3,000 mg/d (1,500 mg bid). Dosage was held stable for the last 6 weeks of treatment. The study was conducted from September 2003 to June 2004. RESULTS: No statistically significant difference was found between the adjusted mean changes in LSAS score for levetiracetam (-24.4) and placebo (-28.7) using an efficacy intent-to-treat, last- observation-carried-forward analysis. Rates of response (>or= 30% reduction in LSAS score) were similar with 41.3% (levetiracetam) and 46.6% (placebo). No significant between-group differences were found on secondary outcome measures, which included changes in Sheehan Disability Scale, Clinical Global Impression of Change, and HDRS scores. CONCLUSIONS: Although well-tolerated, levetiracetam failed to separate from placebo in this trial for the treatment of moderate to severe GSAD.[1]

References

  1. Levetiracetam in generalized social anxiety disorder: a double-blind, randomized controlled trial. Stein, M.B., Ravindran, L.N., Simon, N.M., Liebowitz, M.R., Khan, A., Brawman-Mintzer, O., Lydiard, R.B., Pollack, M.H. J. Clin. Psychiatry (2010) [Pubmed]
 
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