Overview An Open Label Extension Study of Duloxetine (LY248686) in Participants With Chronic Low Back Pain Status: Completed Trial end date: 2014-12-01 Target enrollment: Participant gender: Summary The purpose of the study is to assess the long term safety of duloxetine in participants with Chronic Low Back Pain (CLBP). Phase: Phase 3 Details Lead Sponsor: Eli Lilly and CompanyCollaborator: ShionogiTreatments: Duloxetine Hydrochloride