Product Name

Zolpidem

CAS Number

82626-48-0

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Product Name:
Zolpidem
CAS Number:
82626-48-0
Indication:
For the short-term treatment of insomnia.
Mode of Action:

Zolpidem modulates the alpha-subunit, known as the benzodiazepine receptor, within the GABAA receptor chloride channel macromolecular complex. Unlike the benzodiazepines, which non-selectively interact with all three alpha-receptor subtypes, Zolpidem preferentially binds to the alpha-1 receptor.

Pharmacodynamics:

Zolpidem is a sedative or hypnotic agent with a chemical structure unrelated to benzodiazepines, barbiturates, or other drugs with known hypnotic properties. It interacts with a GABA-BZ receptor complex and shares some of the pharmacological properties of the benzodiazepines. In contrast to the benzodiazepines, which non-selectively bind to and activate all three alpha receptor subtypes, zolpidem in vitro binds the (alpha1) receptor preferentially. The (alpha1) receptor is found primarily on the Lamina IV of the sensorimotor cortical regions, substantia nigra (pars reticulata), cerebellum molecular layer, olfactory bulb, ventral thalamic complex, pons, inferior colliculus, and globus pallidus.

Metabolism:

Zolpidem is converted to inactive metabolites in the liver.

Toxicity:

Oral (male rat) LD50 = 695 mg/kg. Symptoms of overdose include impairment of consciousness ranging from somnolence to light coma.

IUPAC:
N, N-dimethyl-2-[6-methyl-2-(4-methylphenyl)imidazo[1, 2-a]pyridin-3-yl]acetamide
ATC:
N05CF02
PubChem:
5732
DrugBank:
DB00425 (APRD00095)
Formula:
C19H21N3O
Molecular Mass:
307.3895
Synonyms:
Zolpidemum [Latin]
SMILES:
CN(C)C(=O)CC1=C(N=C2C=CC(C)=CN12)C1=CC=C(C)C=C1
InChi:
ZAFYATHCZYHLPB-UHFFFAOYSA-N
General Reference:
General Reference:

  1. Lemmer B: The sleep-wake cycle and sleeping pills. Physiol Behav. 2007 Feb 28;90(2-3):285-93. Epub 2006 Oct 16. Pubmed
  2. Depoortere H, Zivkovic B, Lloyd KG, Sanger DJ, Perrault G, Langer SZ, Bartholini G: Zolpidem, a novel nonbenzodiazepine hypnotic. I. Neuropharmacological and behavioral effects. J Pharmacol Exp Ther. 1986 May;237(2):649-58. Pubmed
  3. Clauss RP, Guldenpfennig WM, Nel HW, Sathekge MM, Venkannagari RR: Extraordinary arousal from semi-comatose state on zolpidem. A case report. S Afr Med J. 2000 Jan;90(1):68-72. Pubmed
  4. Schlich D, LêHeritier C, Coquelin JP, Attali P, Kryrein HJ: Long-term treatment of insomnia with zolpidem: a multicentre general practitioner study of 107 patients. J Int Med Res. 1991 May-Jun;19(3):271-9. Pubmed
  5. Maarek L, Cramer P, Attali P, Coquelin JP, Morselli PL: The safety and efficacy of zolpidem in insomniac patients: a long-term open study in general practice. J Int Med Res. 1992 Apr;20(2):162-70. Pubmed

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