| abstract |
This invention relates to use of an α2-adrenoceptor antagonist for the preparation of a medicament for treating a mammal, including human, to augment the action of a µ-opioid receptor agonist in the treatment of pain, susceptible to treatment with a µ-opioid receptor agonist, and said µ-opioid receptor agonist is a weakly efficacious µ-opioid receptor agonist or a moderately efficacious µ-opioid receptor agonist. This invention also relates to a corresponding method for the treatment or prevention of pain in a mammal, including human. This invention further relates to pharmaceutical preparations. The preparations comprise a weakly efficacious µ-opioid receptor agonist or a moderately efficacious µ-opioid receptor agonist, and a α2-adrenoceptor antagonist. |