High-Efficacy 5-Hydroxytryptamine 1A Receptor Activation Counteracts Opioid Hyperallodynia and Affective Conditioning

@article{Colpaert2006HighEfficacy51,
  title={High-Efficacy 5-Hydroxytryptamine 1A Receptor Activation Counteracts Opioid Hyperallodynia and Affective Conditioning},
  author={F. C. Colpaert and Kristof Deseure and Luis Stinus and Hugo F. Adriaensen},
  journal={Journal of Pharmacology and Experimental Therapeutics},
  year={2006},
  volume={316},
  pages={892 - 899}
}
Pain may become intractable as tolerance develops to opioids and the opioids, paradoxically, induce pain. We examined the hypothesis that the analgesia produced by the novel analgesic and high-efficacy 5-hydroxytryptamine (5-HT)1A receptor agonist (3-chloro-4-fluoro-phenyl)-[4-fluoro-4-{[(5-methyl-pyridin-2-ylmethyl)-amino]methyl}piperidin-1-yl]methanone, fumaric acid salt (F 13640) may counteract opioid-induced pain. In studies of the somatosensory quality of pain in infraorbital nerve-injured… 

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