Affective Effects of Pre-surgery Opioids: a Randomized, Doubleblind Placebo-controlled Trial
Status:
Not yet recruiting
Trial end date:
2025-12-01
Target enrollment:
Participant gender:
Summary
1. To investigate and compare the affective short-term effects of opioid drugs: morphine,
oxycodone and fentanyl, administered to the patients before the induction of general
anesthesia.
2. Charting opioid use after surgery in patients treated at hospitals in Norway
3. Identify predictors for postoperative opioid use and persistent pain