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. 2023 Feb 15;13(2):365. doi: 10.3390/biom13020365

Table 1.

Clinical and physiologic parameters for 10 compounds studied with GABAA receptors in this study. Concentrations are given in μM. Data are mean ± standard error of the mean for 20–24 determinations. [CNS] denotes concentration of drug in the CNS. Imax(%) denotes maximum inhibition.

Drug Class Use [CNS] GABA EC50 Imax (%) nH
EGCG polyphenol dietary supplement 0.18 [35] 31 ± 4 22 ± 8 1.1
Chloroquine aminoquinolone antimalarial 1.60 [36]
Clarithromycin macrolide antibiotic 10 [37] 20 ± 1 85 ± 8 1
Erythromycin macrolide antibiotic 0.68 [38]
Hydroxychloroquine aminoquinolone antimalarial 50 [39] 40 ± 8 29 ± 4 1.4
Metronidazole nitroimidazole Antibiotic/protozoal 7010 [40] 50 ± 11 24 ± 9 0.8
Minocycline tetracycline antibiotic 1.1 [41]
Ofloxacin quinolone antibiotic 5.6 [42] 15 ± 4 61 ± 7 1
pentylenetetrazole azepine stimulant/convulsant 330 [43] 10 ± 3 68 ± 5 1.3
Rifampin ansamycin antibiotic 3.60 [44]