Safety, Efficacy and Tolerability of Vilazodone in Generalized Anxiety Disorder

Inclusion Criteria: * Male and female, 18 - 70 years of age * Currently meet the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision (DSM-IV-TR) criteria for Generalized Anxiety Disorder (GAD) * Minimum score of 20 on the Hamilton Rating Scale for Anxiety (HAM-A) Exclusion Criteria: * Women who are pregnant, women who will be breastfeeding during the study and women of childbearing potential who are not practicing a reliable method of birth control * History of meeting DSM-IV-TR criteria for any of the following: * Any manic or hypomanic or mixed episode, including bipolar disorder and substance-induced manic, hypomanic or mixed episode * Any depressive episode with psychotic or catatonic features * Panic disorder with or without agoraphobia * Obsessive-compulsive disorder * Schizophrenia, schizoaffective, or other psychotic disorder * Bulimia or anorexia nervosa * Presence of borderline personality disorder or antisocial personality disorder * Mental retardation, dementia, amnesia, or other significant cognitive disorders * Patients who are considered a suicide risk