Jagiellonian University

This study tests whether avoiding opioid painkillers during major urologic surgery leads to better recovery. About 200 adults will be randomly assigned to receive either opioid-free anesthesia (using other drugs) or standard opioid-based anesthesia. The main goal is to see how pa…

This study compares opioid-free anesthesia to standard opioid-based anesthesia for people having laparoscopic pancreatic surgery. The goal is to see if avoiding opioids leads to less pain and lower opioid use after surgery. Two hundred adults aged 18-80 will take part, and resear…

This study compares opioid-free anesthesia to standard opioid anesthesia in 200 adults undergoing pancreatic surgery. The goal is to see if avoiding opioids during surgery can still control pain well and reduce the need for painkillers afterward. Participants will have their pain…

This study reviews medical records of 300 adults who had endoscopic or surgical removal of rectal tumors between 2015 and 2025. Researchers want to see if newer endoscopic methods are as safe and effective as traditional surgery. The goal is to help doctors choose the best approa…