• Pain Pract · Jul 2015

    Review

    Association Between Human Pain-Related Genotypes and Variability in Opioid Analgesia: An Updated Review.

    • Lecia M Nielsen, Anne E Olesen, Ruth Branford, Lona L Christrup, Hiroe Sato, and Asbjørn M Drewes.
    • Mech-Sense, Department of Gastroenterology and Hepatology, Aalborg University Hospital, Aalborg, Denmark.
    • Pain Pract. 2015 Jul 1; 15 (6): 580-94.

    AbstractOn an individual level, there is a difference in the analgesic response to a given opioid. Various factors such as gender, age, and genetic variation can affect the analgesic response. The genetic variation can influence pharmacokinetics (eg drug transporters and drug-metabolizing enzymes) and/or pharmacodynamics (eg opioid receptor and catechol-O-methyltransferase enzymes). We present recent experimentally induced pain, postoperative pain, and cancer pain and chronic non-malignant pain conditions studies in humans, focusing on the association between genetic variation and analgesic response assessed as opioid consumption or changes in pain scores. Studies have shown promising results regarding pharmacogenetics as a diagnostic tool for predicting the individual response to a given opioid in the experimental settings; however, in the clinic, it is a more complicated task to accomplish. © 2014 World Institute of Pain.

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