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J Med Chem. 2005 May 19;48(10):3474-7.

Varenicline: an alpha4beta2 nicotinic receptor partial agonist for smoking cessation.

Author information

  • 1Pfizer Global Research and Development, Groton Laboratories, Eastern Point Road, Groton, Connecticut 06340, USA. jwcoe@pfizer.com

Abstract

Herein we describe a novel series of compounds from which varenicline (1, 6,7,8,9-tetrahydro-6,10-methano-6H-pyrazino[2,3-h][3]benzazepine) has been identified for smoking cessation. Neuronal nicotinic acetylcholine receptors (nAChRs) mediate the dependence-producing effects of nicotine. We have pursued alpha4beta2 nicotinic receptor partial agonists to inhibit dopaminergic activation produced by smoking while simultaneously providing relief from the craving and withdrawal syndrome that accompanies cessation attempts. Varenicline displays high alpha4beta2 nAChR affinity and the desired in vivo dopaminergic profile.

PMID:
15887955
[PubMed - indexed for MEDLINE]
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