Overview Safety And Efficacy Of Celecoxib Versus Sodium Diclofenac In The Treatment Of Acute Low Back Pain Status: Completed Trial end date: 2004-10-01 Target enrollment: Participant gender: Summary To evaluate the safety and efficacy of celecoxib versus sodium diclofenac in subjects with acute low back pain Phase: Phase 4 Details Lead Sponsor: PfizerPfizer's Upjohn has merged with Mylan to form Viatris Inc.Treatments: CelecoxibDiclofenac