Drug Treatment Validation of Functional Magnetic Resonance Imaging in Generalized Anxiety Disorder

Summary

The purpose of this study is to find out how an anti-anxiety drug or placebo affects the activity of your brain when you are at rest and when you are viewing emotional material, such as, emotional faces and pictures.

Timeline

Start

2008-04

Primary completion

2009-09

Completion

2009-09

Publications

• Background Paulus MP, Feinstein JS, Castillo G, Simmons AN, Stein MB. Dose-dependent decrease of activation in bilateral amygdala and insula by lorazepam during emotion processing. Arch Gen Psychiatry. 2005 Mar;62(3):282-8. doi: 10.1001/archpsyc.62.3.282.
• Background Salmeron BJ, Stein EA. Pharmacological applications of magnetic resonance imaging. Psychopharmacol Bull. 2002 Winter;36(1):102-29.
• Background Simmons A, Strigo I, Matthews SC, Paulus MP, Stein MB. Anticipation of aversive visual stimuli is associated with increased insula activation in anxiety-prone subjects. Biol Psychiatry. 2006 Aug 15;60(4):402-9. doi: 10.1016/j.biopsych.2006.04.038.
• Background Baas JM, Grillon C, Bocker KB, Brack AA, Morgan CA 3rd, Kenemans JL, Verbaten MN. Benzodiazepines have no effect on fear-potentiated startle in humans. Psychopharmacology (Berl). 2002 May;161(3):233-47. doi: 10.1007/s00213-002-1011-8. Epub 2002 Mar 20.
• Background Grillon C, Baas JM, Pine DS, Lissek S, Lawley M, Ellis V, Levine J. The benzodiazepine alprazolam dissociates contextual fear from cued fear in humans as assessed by fear-potentiated startle. Biol Psychiatry. 2006 Oct 1;60(7):760-6. doi: 10.1016/j.biopsych.2005.11.027. Epub 2006 Apr 21.

Drugs

Indications