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Inhibitors of AMPA and Kainate Receptors

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The glutamate receptor system is implicated in the development and maintenance of epileptic seizures, and animal studies have disclosed potent anticonvulsant activity of a number of inhibitors of AMPA and / or kainate (KA) receptor activity. These results make such inhibitors potential future antiepileptic drugs. Different series of compounds with inhibitory activity towards AMPA receptors have been developed. Most of these inhibitors are structurally derived from AMPA, quinoxalinedione or 2,3-benzodiazepine. In contrast, only a limited number of inhibitors of KA receptor activity have been developed, most of which contain quinoxalinedione or decahydroisoquinoline skeletons. In spite of promising anticonvulsant activity in various animal model studies, no AMPA / KA receptor inhibitors are in clinical use against epilepsy today. Based on molecular biology studies, AMPA and KA receptors are at present divided into four and five subtypes, respectively, and attempts to develop subtype selective compounds have been initiated. Future studies and development of such compounds will indicate whether AMPA / KA receptor inhibition is a feasible therapeutic strategy for the treatment of epilepsy.

Keywords: amino hydroxy methyl isoxazolyl propionate amp; ampa; ampa receptor agonists; ampa receptor antagonists; anticonvulsant actvity; ka receptor agonists; kainate rexeptors; n-methyl-d-aspartate nmda

Document Type: Review Article


Publication date: September 1, 2001

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  • Current Medicinal Chemistry covers all the latest and outstanding developments in medicinal chemistry and rational drug design. Each issue contains a series of timely in-depth reviews written by leaders in the field covering a range of the current topics in medicinal chemistry. Current Medicinal Chemistry is an essential journal for every medicinal chemist who wishes to be kept informed and up-to-date with the latest and most important developments.

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