Efficacy and Safety Study of Seroquel SR in the Treatment of Generalized Anxiety Disorder

Summary

The primary purpose of this study is to evaluate the efficacy of (SEROQUEL SR™ ) quetiapine fumarate sustained-release (SR) compared to placebo in the treatment of anxiety symptoms in patients with generalized anxiety disorder (GAD). PLEASE NOTE: Seroquel SR and Seroquel XR refer to the same formulation. The SR designation was changed to XR after consultation with FDA.

Timeline

Start

2006-05

Primary completion

—

Completion

2007-05

Outcome

Met primary endpoint

paper At week 8, all active agents produced significant improvements in HAMA total and psychic subscale scores vs. placebo; PMID 19691907 ↗

Publications

• Montgomery SA, Locklear JC, Svedsater H, Eriksson H. Efficacy of once-daily extended release quetiapine fumarate in patients with different levels of severity of generalized anxiety disorder. Int Clin Psychopharmacol. 2014 Sep;29(5):252-62. doi: 10.1097/YIC.0000000000000026.
• Stein DJ, Bandelow B, Merideth C, Olausson B, Szamosi J, Eriksson H. Efficacy and tolerability of extended release quetiapine fumarate (quetiapine XR) monotherapy in patients with generalised anxiety disorder: an analysis of pooled data from three 8-week placebo-controlled studies. Hum Psychopharmacol. 2011 Dec;26(8):614-28. doi: 10.1002/hup.1256. Epub 2011 Dec 6.
• Bandelow B, Chouinard G, Bobes J, Ahokas A, Eggens I, Liu S, Eriksson H. Extended-release quetiapine fumarate (quetiapine XR): a once-daily monotherapy effective in generalized anxiety disorder. Data from a randomized, double-blind, placebo- and active-controlled study. Int J Neuropsychopharmacol. 2010 Apr;13(3):305-20. doi: 10.1017/S1461145709990423. Epub 2009 Aug 20.

Drugs

Indications