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Zolpidem tartrate extended-release tablets are indicated for the treatment of insomnia characterized by difficulties with sleep onset and/or sleep maintenance (as measured by wake time after sleep onset).
The clinical trials performed in support of efficacy were up to 3 weeks (using polysomnography measurement up to 2 weeks in both adult and elderly patients) and 24 weeks (using patient-reported assessment in adult patients only) in duration [see CLINICAL STUDIES (14)].
Zolpidem Tartrate Extended-Release Tablets contains zolpidem tartrate, a gamma-aminobutyric acid (GABA) A agonist of the imidazopyridine class. Zolpidem tartrate extended-release tablets are available in 6.25 mg and 12.5 mg strength tablets for oral administration.
Chemically, zolpidem is N,N,6-trimethyl-2-p-tolylimidazo[1,2-a] pyridine-3-acetamide L-(+)-tartrate (2:1). It has the following structure:
Zolpidem tartrate is a white to off-white crystalline powder that is sparingly soluble in water, alcohol, and propylene glycol. It has a molecular weight of 764.88. Zolpidem tartrate extended-release tablets are film coated containing a hydrogel-matrix core that provides extended-release of the drug content.
The 6.25 mg zolpidem tartrate extended-release tablets contain the following inactive ingredients: colloidal silicon dioxide, D&C yellow #10 aluminum lake, FD&C yellow #6/sunset yellow FCF aluminum lake, hypromellose, magnesium stearate, polyethylene glycol, polyvinyl alcohol, sugar, titanium dioxide and talc. The 12.5 mg zolpidem tartrate extended-release tablets contain the following inactive ingredients: colloidal silicon dioxide, hypromellose, magnesium stearate, polydextrose, polyethylene glycol, sugar, titanium dioxide and triacetin.
USP Dissolution Test Pending