Effect of Local Anesthetic Concentration on Rebound Pain: A Randomized Control Study

Randomized control study that compares different concentrations of local anesthetic to investigate whether a lower concentration of local anesthetic would contribute to lower rebound pain scores at 24 hours post op in patients undergoing anatomic or reverse total shoulder arthroplasty.

NCT Number	NCT07146685
Lead Sponsor	University of Virginia
Conditions	Rebound Pain, Shoulder Arthroplasty, Interscalene Block
Enrollment	168 participants
Start Date	2026-01-01
Primary Completion	2028-01-01 (estimated)
Study Completion	2029-01-01 (estimated)
Updated on ClinicalTrials.gov	2025-08-28