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Pathway Description
Zaleplon Action Pathway
Homo sapiens
Drug Action Pathway
Zaleplon, a nonbenzodiazepine hypnotic from the pyrazolopyrimidine class, serves as a sedative used for the short-term treatment of insomnia in adults. Functioning within the gamma-aminobutyric acid-benzodiazepine (GABABZ) receptor complex, it shares certain pharmacological attributes with benzodiazepines despite its distinct chemical structure. Classified as a schedule IV drug in the United States, Zaleplon interacts with the CNS GABAA-receptor chloride ionophore complex at benzodiazepine (BZ) omega-1 (BZ1, ο1) receptors. Its mechanism of action involves subunit modulation of the GABABZ receptor chloride channel macromolecular complex, and it also selectively binds to the brain omega-1 receptor found on the alpha subunit of the GABA-A/chloride ion channel receptor complex, enhancing t-butyl-bicyclophosphorothionate (TBPS) binding. Zaleplon, distinctly separate from benzodiazepines and other hypnotic agents, effectively addresses short-term insomnia by interacting with these receptor systems.
References
Zaleplon Pathway References
Wishart DS, Feunang YD, Guo AC, Lo EJ, Marcu A, Grant JR, Sajed T, Johnson D, Li C, Sayeeda Z, Assempour N, Iynkkaran I, Liu Y, Maciejewski A, Gale N, Wilson A, Chin L, Cummings R, Le D, Pon A, Knox C, Wilson M: DrugBank 5.0: a major update to the DrugBank database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D1074-D1082. doi: 10.1093/nar/gkx1037.
Pubmed: 29126136
Dundar Y, Dodd S, Strobl J, Boland A, Dickson R, Walley T: Comparative efficacy of newer hypnotic drugs for the short-term management of insomnia: a systematic review and meta-analysis. Hum Psychopharmacol. 2004 Jul;19(5):305-22
Noguchi H, Kitazumi K, Mori M, Shiba T: Electroencephalographic properties of zaleplon, a non-benzodiazepine sedative/hypnotic, in rats. J Pharmacol Sci. 2004 Mar;94(3):246-51
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