期刊
HUMAN PSYCHOPHARMACOLOGY-CLINICAL AND EXPERIMENTAL
卷 23, 期 1, 页码 13-20出版社
WILEY
DOI: 10.1002/hup.884
关键词
zolpidem; pharmacodynarnics; pharmacokinetics; MOTN insomnia
Objectives Buffered low-dose sublingual transmucosal zolpidem lozenge hemitartrate (ST zolpidem) is being developed for the treatment of middle-of-the-night insomnia. The objective of this double-blind placebo-controlled cross-over study (n = 24) was to evaluate the pharmacokinetics (PK) and daytime-sedative profile of 1.0, 1.75, and 3.5 mg dose of the formulation. Methods Daytime sedation was measured pre-dose and up to 5 h post-dose objectively by the Digit Symbol Substitution Test (DSST) and subjectively using the Visual Analog Scale (VAS). Blood samples for PK assessment was collected pre-dose and up to 12 h post-dose. Results The 1.75 and 3.5 mg, but not the I mg, ST zolpidem produced significant sedation versus placebo within 20 min of dosing which lasted for up to 3 h. Zolpidem from the formulation was rapidly absorbed and reached maximum plasma concentrations within 38 min of dosing, however the half-life was independent of the dose and side effects were consistent with the known pharmacology of the drug. Conclusions ST zolpidem produced rapid, short duration of sedation and the effect was consistent with its PK profile. This novel low-dose formulation of zolpidem may provide clinicians and patients with a pm option for the management of sleep maintenance insomnia. Copyright (c) 2007 John Wiley & Sons, Ltd.
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