Opioid study reveals how painkillers affect mood before surgery
NCT ID NCT05639712
First seen Nov 01, 2025 · Last updated May 16, 2026 · Updated 26 times
Summary
This study looked at how three common opioids (morphine, oxycodone, and fentanyl) affect feelings like anxiety, relaxation, and pain right before surgery. It also tracked how much opioid pain medicine patients used after surgery and what factors predicted long-term use or persistent pain. Over 1,000 adults having day surgery in Norway took part. The goal was to better understand opioid effects and improve pain management.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Locations
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Harald Lenz
Oslo, Norway
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