Overview An Extension Study of Duloxetine in Fibromyalgia (Extension of F1J-JE-HMGZ, NCT01552057) Status: Completed Trial end date: 2014-02-01 Target enrollment: Participant gender: Summary The purpose of the study is to assess the safety and efficacy of duloxetine in participants with fibromyalgia at long-term use. Phase: Phase 3 Details Lead Sponsor: Eli Lilly and CompanyCollaborator: ShionogiTreatments: Duloxetine Hydrochloride