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Year : 1993  |  Volume : 25  |  Issue : 4  |  Page : 188-192

Medetomidine - A new selective alpha-2 adrenoceptor agonist



Correspondence Address:
B V Venkataraman


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Medetomidine, an imidazoline derivative is a lipophilic compound with selective (2-adrenoceptor agonist activity. It has a negligible binding affinity for dopaminergic, cholinergic, histaminergic, opiate, adenosine and benzodiazepine receptors. Various in vivo experiments show dose-dependent hypotensive, bradycardia, sedative, anxiolytic, mydriatic, hypothermic and analgesic effects. In general it is more potent than the other an-agonists in central and peripheral actions on (2-adrenoceptors. Effects of medetomidine can be antagonised by prior, simultaneous or subsequent administration of an-antagonists. In human trials it is shown to be well tolerated and the drug may also have therapeutic applications in humans.






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