Selective inhibition of cocaine-seeking behaviour by a partial dopamine D3 receptor agonist

Maria Pilla, Sylvie Perachon, FranÇois Sautel, Fabrice Garrido, André Mann, Camille G. Wermuth, Jean-Charles Schwartz, Barry J. Everitt () and Pierre Sokoloff ()
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Maria Pilla: University of Cambridge
Sylvie Perachon: University of Cambridge
FranÇois Sautel: Laboratoire Bioprojet
Jean-Charles Schwartz: Laboratoire Bioprojet
Barry J. Everitt: Unité de Neurobiologie et Pharmacologie Moléculaire, INSERM U 109, Centre Paul Broca
Pierre Sokoloff: Laboratoire Bioprojet

Nature, 1999, vol. 400, issue 6742, 371-375

Abstract: Abstract Environmental stimuli that are reliably associated with the effects of many abused drugs, especially stimulants such as cocaine, can produce craving and relapse in abstinent human substance abusers1,2,3,4. In animals, such cues can induce and maintain drug-seeking behaviour and also reinstate drug-seeking after extinction5,6,7. Reducing the motivational effects of drug-related cues might therefore be useful in the treatment of addiction3. Converging pharmacological8,9, human post-mortem10 and genetic11 studies implicate the dopamine D3 receptor12 in drug addiction. Here we have designed BP 897, the first D3-receptor-selective agonist, as assessed in vitro with recombinant receptors and in vivo with mice bearing disrupted D3-receptor genes. BP 897 is a partial agonist in vitro and acts in vivo as either an agonist or an antagonist. We show that BP 897 inhibits cocaine-seeking behaviour that depends upon the presentation of drug-associated cues, without having any intrinsic, primary rewarding effects. Our data indicate that compounds like BP 897 could be used for reducing the drug craving and vulnerability to relapse that are elicited by drug-associated environmental stimuli.

Date: 1999
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DOI: 10.1038/22560

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