elepsia xr 1000 mg - Medication Listings

ELEPSIA XR contains levetiracetam, an antiepileptic drug, as extended-release tablets for oral administration. The chemical name of levetiracetam, a single enantiomer, is (-)-(S)-α-ethyl-2-oxo-1-pyrrolidine acetamide, its molecular formula is C 8 H 14 N 2 O 2 and its molecular weight is 170.21. Levetiracetam is chemically unrelated to existing antiepileptic drugs (AEDs). It has the following structural formula: Levetiracetam, USP is a white to off-white crystalline powder with a faint odor and a bitter taste. It is very soluble in water (104 g/100 mL). It is freely soluble in chloroform (65.3 g/100 mL) and in methanol (53.6 g/100 mL), soluble in ethanol (16.5 g/100 mL), sparingly soluble in acetonitrile (5.7 g/100 mL), and practically insoluble in n-hexane. Each extended-release tablet contains 1000 mg or 1500 mg of levetiracetam. Inactive ingredients: amino methacrylate copolymer, colloidal silicon dioxide, crospovidone, dibutyl sebacate, ethyl cellulose, FD&C Blue #1 aluminum lake, hypromellose, magnesium stearate, polyethylene glycol, polysorbate 20, polysorbate 80, polyvinyl alcohol, povidone, silicified microcrystalline cellulose, sodium lauryl sulfate, talc, and triethyl citrate. The imprinting ink contains ammonium hydroxide, iron oxide black, N-butyl alcohol, propylene glycol, and shellac glaze. ELEPSIA XR is a bilayer coated tablet. The medication is present in core of tablet and release controlling polymers are present in core and coating of tablet. The biologically inert components of core tablet and/or coating may occasionally remain intact during GI transit and may be eliminated in feces as inert fragments of coating and/or soft, hydrated mass. Chemical Structure