Overview Safety and Efficacy Study of Xyrem® (Sodium Oxybate) in Subjects With Fibromyalgia. Status: Completed Trial end date: 2010-01-01 Target enrollment: Participant gender: Summary The objective of this trial is to evaluate the safety and efficacy of Xyrem® in long term use. Phase: Phase 3 Details Lead Sponsor: Jazz PharmaceuticalsTreatments: Sodium Oxybate