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Cannabinoid analgesia (2002)

Cannabinoid analgesia (2002)

  1. Alfa
    Pharmacology and Therapeutics 2002 Aug;95(2):127-35

    Walker JM (http://www.ncbi.nlm.nih.gov/sites/e...l.Pubmed_DiscoveryPanel.Pubmed_RVAbstractPlus), Huang SM (http://www.ncbi.nlm.nih.gov/sites/e...l.Pubmed_DiscoveryPanel.Pubmed_RVAbstractPlus).

    During the last decade, rigorous scientific methods have been applied to determine the effects of cannabinoids on nociceptive neurotransmission. Cannabinoids have been observed to markedly decrease signalling in specific neural pathways that transmit messages about pain. These effects were found to be due to the suppression of spinal and thalamic nociceptive neurons, and independent of any actions on either the motor system or sensory neurons that transmit messages related to non-nociceptive stimulation. Spinal, supraspinal, and peripheral sites of cannabinoid analgesia have been identified. The discovery of endocannabinoids raised the question of their natural role in pain. Multiple lines of evidence indicate that endocannabinoids serve naturally to suppress pain. While it is now clear that cannabinoids suppress nociceptive neurotransmission, more work is needed to establish the clinical utility of these compounds. The few human studies conducted to date produced mixed results, with more promising findings coming from studies of clinical pain as compared with experimental pain. The therapeutic potential of cannabinoids remains an important topic for future investigations.