This study tested whether using no opioids during weight-loss surgery (opioid-free anesthesia) works as well as standard opioid-based anesthesia for controlling pain afterward. Sixty adults with severe obesity having laparoscopic bariatric surgery were randomly assigned to one of…
Phase: NA • Sponsor: Hospital dos Lusíadas • Aim: Symptom relief
Last updated May 17, 2026 09:08 UTC