Study Evaluating DVS SR in Patients With Fibromyalgia Syndrome

Inclusion Criteria

• •Outpatients who have completed double-blind treatment in study 3151A4-327 for fibromyalgia Syndrome with no major protocol violations and no events that would preclude the patient's entry into the long-term open-label study.
• •Women of childbearing potential must have a negative serum pregnancy test result at study start.