Clinical Study Assessing a New Scale to Measure Onset of Action in Generalized Anxiety Disorder

Inclusion Criteria: * Primary Diagnosis of GAD (DSM IV, 300.02) as established by the clinician using all sources of data including the MINI structured interview * HAM A score ³20 at the Screening (Study Day -7) and Baseline (Study Day 1) Visits by observer rating * Good health as determined by medical history, physical examination, vital signs, electrocardiography (ECG), and clinical laboratory measurements * Covi Anxiety Scale total score ³9 and Raskin Depression Scale total score £7 at the Screening Visit (to ensure predominance of anxiety symptoms over depression symptoms) * Age 18 to 65 (inclusive) Exclusion Criteria: * Patients with most other current DSM-IV Axis I disorders. * Patients with current or past schizophrenia, Psychotic disorder * Delirium, dementia, amnestic, and other clinically significant cognitive disorders * Bipolar or schizoaffective disorder * Benzodiazepine abuse or dependence; and/or Factitious disorder.