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Ethinamate is a short-acting sedative-hypnotic medication used to treat insomnia. Like many such similar medications, the regular use of ethinamate can result in the development of drug tolerance in a patient. Nevertheless, the medication itself is generally no longer effective after using it for greater than 7 days. Structurally, it does not resemble the barbituates, but it shares many effects with this class of drugs; the depressant effects of ethinamate are, however, generally milder than those of most barbiturates.
Ethinamate is a short-acting sedative-hypnotic medication used to treat insomnia. Like many such similar medications, the regular use of ethinamate can result in the development of drug tolerance in a patient. Nevertheless, the medication itself is generally no longer effective after using it for greater than 7 days. Structurally, it does not resemble the barbituates, but it shares many effects with this class of drugs; the depressant effects of ethinamate are, however, generally milder than those of most barbiturates.
The mechanism of action is not known. However, studies have shown that ethinamate inhibits carbonic anhydrases I and II (J Biol Chem. 1992 Dec 15;267(35):25044-50). This inhibition by ethinamate is not sufficiently strong, however, to implicate carbonic anhydrases I and II in the mechanism of action.
Used for the short-term treatment of insomnia, however, it generally has been replaced by other sedative-hypnotic agents.
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