SPD503 in Subjects Aged 6-17 Years With Generalized Anxiety Disorder (GAD), Separation Anxiety Disorder (SAD), or Social Phobia (SoP)

Exclusion criteria

• . Subject has a current co-morbid psychiatric diagnosis of a major depressive disorder, bipolar illness, psychosis, a pervasive development disorder other than Asperger's Syndrome, attention deficit hyperactivity disorder, an eating disorder, or substance abuse disorder.
• . Subject has an ADIS-C CSR score for any Axis I disorder that is greater than the ADIS-C CSR score for their Principal Diagnosis of GAD, SAD, or SoP.
• . Subject has any condition or illness which, in the opinion of the Investigator, represents an inappropriate risk to the subject and/or could confound the interpretation of the study.
• . Within 14 days prior to the Baseline Visit subject has received any evidence-based psychosocial intervention intended to reduce anxiety symptoms i.e. Individual Cognitive Behavioral Therapy, Group Cognitive Behavioral Therapy, or Social Effectiveness Training.
• . Subject has started or changed the type or intensity of a non evidence-based psychosocial intervention intended to reduce anxiety symptoms within 6 weeks prior to the Baseline Visit (Visit 2).
• . Subject has a known history or presence of structural cardiac abnormalities, serious heart rhythm abnormalities, syncope, cardiac conduction problems (e.g., clinically significant heart block), exercise-related cardiac events including syncope and pre syncope, or clinically significant bradycardia.
• . Subject with orthostatic hypotension or a known history of controlled or uncontrolled hypertension.
• . Subject has a blood pressure measurement above the 95th percentile for age, sex, and height.