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The anxiolytic action of two 2,3-benzodiazepines: girisopam: GYKI 51,189 (EGIS 5810): (1-(3-chlorophenyl)-4-methyl-7,8-dimethoxy-5H-2,3-benzodiazepine), and GYKI 52,322 (EGIS 6775): (1-(4-aminophenyl)-4-methyl-7,8-dimethoxy-5H-2,3-benzodiazepine) was investigated in comparison to chlordiazepoxide and buspirone using three different animal models of anxiety: the lick conflict, the elevated plus maze and the open field methods in rats. Both 2,3-benzodiazepines exerted anxiolytic effect in all three tests used, however their pharmacological profile differs considerably from that of either chlordiazepoxide or buspirone. Using the animal models mentioned above the order of potency was GYKI 52,322 (EGIS 6775) > chlordiazepoxide > girisopam > buspirone.


K Horváth, F Andrási, P Botka, T Hámori. Anxiolytic profile of girisopam and GYKI 52,322 (EGIS 6775). Comparison with chlordiazepoxide and buspirone. Acta physiologica Hungarica. 1992;79(2):153-61

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PMID: 1363928

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