Overview A Randomized Trial of Exparel vs Saline in Opioid Reduction of Pain Management Following Lumbar Spine Surgeries. Status: Recruiting Trial end date: 2024-01-01 Target enrollment: Participant gender: Summary The purpose of this study is to establish a relationship between liposomal bupivacaine surgical site injection and postop opioid utilization. Phase: Phase 4 Details Lead Sponsor: University of Missouri-ColumbiaTreatments: Bupivacaine