Fentanyl "B. Braun" 50 mikrogram/ml injektionsvätska clinical trials

Methadone versus fentanil and oxycodone for post-operative pain reduction in patients undergoing coronary artery bypass grafting and/or valve surgery – a placebo-controlled, double-blind, randomized clinical trial

This study looks at different pain medicines (methadone, fentanyl, and oxycodone) after heart surgery. It wants to find out which one best reduces pain and limits the amount of strong pain relief needed, aiming for fewer problems and a better recovery for patients.