Study Evaluating Venlafaxine ER in Adults With Panic Disorder

A Double-blind, Placebo-controlled, Parallel-group, Flexible-dose Study of Venlafaxine Extended-release Capsules in Adult Outpatients With Panic Disorder

The primary objective of this study is to determine the efficacy, safety, and tolerability of a flexible dose of venlafaxine extended-release (ER) capsules administered for 10 weeks in the treatment of adult outpatients with panic disorder (PD) in a placebo-controlled phase III study.

Inclusion Criteria:

• A male or female outpatient
• Be at least 18 years of age and legal age of consent
• Meet DSM-IV criteria for PD (with or without agoraphobia) for at least 3 months before study day 1

Exclusion Criteria:

• Treatment with venlafaxine (IR or ER) within 6 months of study day 1
• Known hypersensitivity to venlafaxine (IR or ER) or related compounds
• History or presence of any clinically important hepatic, renal, or other medical disease that might compromise the study or be detrimental to the patient (eg, clinically important cardiac arrhythmia, unstable diabetes, carcinoma [except basal cell epithelioma], uncontrolled hypertension)