This study tested whether a long-acting painkiller (liposomal bupivacaine) could prevent the sudden severe pain that often occurs when a nerve block wears off after shoulder surgery. 100 adults having shoulder arthroscopy received either the new painkiller or a standard one (ropi…
Phase: PHASE4 • Sponsor: Liu Jiuhong • Aim: Symptom relief
Last updated May 26, 2026 12:06 UTC