- 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
- 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)