New injection could slash opioid use after belly surgery
Symptom relief
Not yet recruiting
This study tests a new pain-blocking injection called the External Oblique Intercostal Plane Block for people having major upper abdominal surgery (like stomach, liver, or pancreas surgery). The goal is to see if it reduces the need for strong painkillers (opioids) and improves r…
Phase: NA • Sponsor: Jun Zhang • Aim: Symptom relief
Last updated May 01, 2026 20:12 UTC