Overview Study to Assess the Efficacy and Safety of Tizaspray® Versus Sirdalud®, in Patients With Acute Low Back Pain Status: Completed Trial end date: 2017-02-01 Target enrollment: Participant gender: Summary Open label, randomized, controlled, multicenter study with two parallel groups of patients Phase: Phase 3 Details Lead Sponsor: MDM S.p.A.Collaborators: Latis S.r.l.Opera Contract Research Organization SRLOpera CRO, a TIGERMED Group CompanyTreatments: ClonidineTizanidine