Definition
A sedative and hypnotic that has been used in the short-term management of INSOMNIA. Its use has been superseded by other drugs.
Description
Ethchlorvynol is only found in individuals that have used or taken this drug. It is a sedative and hypnotic drug. It has been used to treat insomnia, but has been largely superseded and is only offered where an intolerance or allergy to other drugs exists. [Wikipedia]Although the exact mechanism of action is unknown, ethchlorvynol appears to depress the central nervous system in a manner similar to that of barbiturates. Barbiturates bind at a distinct binding sites associated with a Cl- ionopore at the GABAA receptor, increasing the duration of time for which the Cl- ionopore is open. The post-synaptic inhibitory effect of GABA in the thalamus is, therefore, prolonged.
General Information
- Metabolism: About 90% of a dose is metabolized in the liver. Some ethchlorvynol may also be metabolized in the kidneys. Ethchlorvynol and metabolites undergo extensive enterohepatic recirculation. Half Life: Plasma half-life is approximately 10 to 20 hours, terminal half-life is 21-100 hours.
- Uses/Sources: Used for short-term hypnotic therapy in the management of insomnia for periods of up to one week in duration; however, this medication generally has been replaced by other sedative-hypnotic agents.
- Health Effects: They cause slurred speech, disorientation and "drunken" behavior. They are physically and psychologically addictive.
- Symptoms: Symptoms of overdose include thrombocytopenia.
- Route of Exposure: Oral, rapidly absorbed from gastrointestinal tract.
Mechanism of Action
Target Name | Mechanism of Action | References |
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GABA-A receptor (anion channel) |
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Gamma-aminobutyric acid receptor subunit alpha-1 Gamma-aminobutyric acid receptor subunit alpha-2 Gamma-aminobutyric acid receptor subunit alpha-3 Gamma-aminobutyric acid receptor subunit alpha-4 Gamma-aminobutyric acid receptor subunit alpha-5 Gamma-aminobutyric acid receptor subunit alpha-6 Gamma-aminobutyric acid receptor subunit beta-1 Gamma-aminobutyric acid receptor subunit beta-2 Gamma-aminobutyric acid receptor subunit beta-3 |
Although the exact mechanism of action is unknown, ethchlorvynol appears to depress the central nervous system in a manner similar to that of barbiturates. Barbiturates bind at a distinct binding sites associated with a Cl- ionopore at the GABAA receptor, increasing the duration of time for which the Cl- ionopore is open. The post-synaptic inhibitory effect of GABA in the thalamus is, therefore, prolonged. |
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