Anti-craving compounds for ethanol: new pharmacological tools to study addictive processes.
Anti-craving compounds have recently been registered for relapse prophylaxis in weaned alcoholics in various European countries (acamprosate), and in the United States (naltrexone). Acamprosate, the Ca(2+)-salt of N-acetyl-homotaurinate, interacts with NMDA receptor-mediated glutamatergic neurotransmission in various brain regions and reduces Ca2+ fluxes through voltage-operated channels. The opioid receptor antagonist naltrexone most likely interferes with alcohol-induced reinforcement via the block of opioid receptors. In this article Rainer Spanagel and Walter Zieglgänsberger discuss the pivotal role of incremental neuroadaptation to alcohol and alcohol-associated stimuli for craving, and the possible mechanisms of action underlying the anti-craving properties of acamprosate and naltrexone.[1]References
- Anti-craving compounds for ethanol: new pharmacological tools to study addictive processes. Spanagel, R., Zieglgänsberger, W. Trends Pharmacol. Sci. (1997) [Pubmed]
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