Overview Dexamethasone and Lower Extremity Block Duration Status: Terminated Trial end date: 2014-12-01 Target enrollment: Participant gender: Summary Dexamethasone has shown to prolong upper extremity blocks. No one ha studied its effect on lower extremity blocks. The study would evaluate that point. Phase: Phase 4 Details Lead Sponsor: University of ChicagoTreatments: BB 1101BupivacaineDexamethasoneDexamethasone 21-phosphateDexamethasone acetate