Zaleplon

CAS No:
151319-34-5 Categories: ,
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Product Details:

  • CAS No: 151319-34-5
  • AHFC code: 28:24.9
  • Synonyms: DEA No. 2781
  • ATC Code: N05CF03
  • Chemical Formula: C12H20N4O7
  • Molecular Weight: 305.3339
  • Assay/Purity: Typically NLT 98%
  • DrugBank: DB00962 (APRD00411)
  • SMILES: CCN(C(C)=O)C1=CC=CC(=C1)C1=CC=NC2=C(C=NN12)C#N
  • InChl: HUNXMJYCHXQEGX-UHFFFAOYSA-N
  • PubChem: 5719
  • IUPAC: N-(3-{3-cyanopyrazolo[1,5-a]pyrimidin-7-yl}phenyl)-N-ethylacetamide

Additional Details

Indication:
For the treatment of short-term treatment of insomnia in adults.
Pharmacodynamics:
Zaleplon is a nonbenzodiazepine hypnotic from the pyrazolopyrimidine class and is indicated for the short-term treatment of insomnia. While Zaleplon is a hypnotic agent with a chemical structure unrelated to benzodiazepines, barbiturates, or other drugs with known hypnotic properties, it interacts with the gamma-aminobutyric acid-benzodiazepine (GABABZ) receptor complex. Subunit modulation of the GABABZ receptor chloride channel macromolecular complex is hypothesized to be responsible for some of the pharmacological properties of benzodiazepines, which include sedative, anxiolytic, muscle relaxant, and anticonvulsive effects in animal models. Zaleplon also binds selectively to the CNS GABAA-receptor chloride ionophore complex at benzodiazepine(BZ) omega-1 (BZ1, _1) receptors.
Mode of Action:
Zaleplon exerts its action through subunit modulation of the GABABZ receptor chloride channel macromolecular complex. Zaleplon also binds selectively to the brain omega-1 receptor located on the alpha subunit of the GABA-A/chloride ion channel receptor complex and potentiates t-butyl-bicyclophosphorothionate (TBPS) binding.
Metabolism:
Zaleplon is primarily metabolized by aldehyde oxidase.
Toxicity:
Side effects include abdominal pain, amnesia, dizziness, drowsiness, eye pain, headache, memory loss, menstrual pain, nausea, sleepiness, tingling, weakness
General Reference:
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. Pubmed 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. Pubmed Ramakrishnan K, Scheid DC: Treatment options for insomnia. Am Fam Physician. 2007 Aug 15;76(4):517-26. Pubmed Barbera J, Shapiro C: Benefit-risk assessment of zaleplon in the treatment of insomnia. Drug Saf. 2005;28(4):301-18. Pubmed Dooley M, Plosker GL: Zaleplon: a review of its use in the treatment of insomnia. Drugs. 2000 Aug;60(2):413-45. Pubmed Holm KJ, Goa KL: Zolpidem: an update of its pharmacology, therapeutic efficacy and tolerability in the treatment of insomnia. Drugs. 2000 Apr;59(4):865-89. Pubmed Patat A, Paty I, Hindmarch I: Pharmacodynamic profile of Zaleplon, a new non-benzodiazepine hypnotic agent. Hum Psychopharmacol. 2001 Jul;16(5):369-392. Pubmed
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