Overview Efficacy and Safety of EN3324 (Axomadol) in Subjects With Chronic Low Back Pain Status: Completed Trial end date: 2011-06-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine the efficacy and safety of EN3324 (axomadol) in subjects with moderate to severe chronic low back pain Phase: Phase 2 Details Lead Sponsor: GrĂ¼nenthal GmbH