New injection could slash opioid use after big belly surgeries
Symptom relief
Recruiting now
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 Jun 16, 2026 12:51 UTC