Related Experiment Videos
The synergistic analgesic interactions between hydrocodone and ibuprofen
Yuri A Kolesnikov1, Roger S Wilson, Gavril W Pasternak
1*Department of Anesthesiology and Critical Care and †The Laboratory of Molecular Neuropharmacology, Memorial Sloan-Kettering Cancer Center, New York.
Anesthesia and Analgesia
|November 25, 2003
Summary
Combining hydrocodone (an opioid) with ibuprofen (a nonsteroidal anti-inflammatory drug) significantly enhances pain relief in mice. This suggests a synergistic interaction that may explain the effectiveness of these drug combinations in clinical pain management.
Area of Science:
- Pharmacology
- Pain Management
- Drug Interactions
Background:
- Opioid and nonsteroidal anti-inflammatory drug (NSAID) combinations are common for pain management.
- The analgesic efficacy of such combinations, particularly in non-inflammatory pain, requires further elucidation.
Purpose of the Study:
- To investigate the interaction between hydrocodone and ibuprofen in a mouse model of non-inflammatory pain.
- To determine if ibuprofen enhances hydrocodone's analgesic effects.
Main Methods:
- Utilized the mouse radiant heat tail-flick nociception model to assess analgesia.
- Conducted dose-response studies to determine the 50% effective dose (ED50) of hydrocodone alone and in combination with ibuprofen.
Main Results:
- Hydrocodone demonstrated potent analgesia, with an ED50 of 11 mg/kg (SC).
- Ibuprofen alone was inactive in this pain model.
- Combining ibuprofen with hydrocodone significantly enhanced analgesia, reducing the ED50 of hydrocodone by seven-fold to 1.6 mg/kg (SC).
- A fixed ratio (1:40) of hydrocodone to ibuprofen also showed a four-fold shift in hydrocodone's ED50.
Conclusions:
- A synergistic interaction exists between ibuprofen and hydrocodone in a non-inflammatory pain model.
- These findings support the clinical utility of combining opioids with NSAIDs for pain relief.