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5-HT and alcohol abuse
E M Sellers1, G A Higgins, M B Sobell
1Department of Pharmacology, University of Toronto, Ontario, Canada.
Trends in Pharmacological Sciences
|February 1, 1992
Summary
New research suggests that targeting the serotonin (5-HT) system could offer novel treatments for alcohol abuse. These therapies, including 5-HT enhancers and receptor antagonists, show promise for reducing alcohol intake.
Area of Science:
- Neuroscience
- Pharmacology
- Addiction Medicine
Background:
- Emerging experimental data indicate a link between the serotonin (5-HT) system and alcohol consumption.
- The precise mechanisms of 5-HT's influence on alcohol intake are not fully understood.
Purpose of the Study:
- To review current pharmacological strategies targeting the 5-HT system for alcohol abuse treatment.
- To explore two primary approaches: enhancing 5-HT neuronal activity and utilizing 5-HT3 receptor antagonists.
Main Methods:
- Review of recent experimental and clinical data on 5-HT system interactions with alcohol intake.
- Description of pharmacological strategies involving 5-HT release, reuptake inhibition, receptor agonism, and antagonism.
Main Results:
- Two main pharmacological strategies for reducing alcohol intake via the 5-HT system are identified.
- Strategy 1: Enhancing 5-HT neuronal activity through compounds that release 5-HT, block its reuptake, or act as agonists.
- Strategy 2: Employing selective 5-HT3 receptor antagonists.
Conclusions:
- Drugs targeting the 5-HT system demonstrate potential for reducing alcohol intake.
- Further research and confirmation of initial findings are necessary.
- These agents may offer valuable therapeutic options for alcohol abuse, particularly when combined with psychosocial interventions.