Overview A Study to Evaluate Two Formulations of Carisoprodol in Subjects With Musculoskeletal Spasm of the Lower Back Status: Completed Trial end date: 2009-02-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine if two sustained released formulations of carisoprodol are more effective than placebo. Phase: Phase 3 Details Lead Sponsor: Meda PharmaceuticalsTreatments: Carisoprodol