alembic pharmaceuticals inc. - Medication Listings

Vardenafil hydrochloride tablets are administered orally for the treatment of erectile dysfunction. This monohydrochloride salt of vardenafil is a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5). Vardenafil hydrochloride is designated chemically as piperazine, 1-[[3-(1,4-dihydro-5-methyl-4-oxo-7-propylimidazo[5,1- f ][1,2,4]triazin-2-yl)-4-ethoxyphenyl]sulfonyl]-4-ethyl-, monohydrochloride and has the following structural formula: Vardenafil hydrochloride is a white or slightly brown or yellow powder with a molecular weight of 579.11. It is slightly soluble in water, freely soluble in anhydrous ethanol. Practically insoluble in heptane. Vardenafil hydrochloride is available as film-coated tablets for oral administration, containing 2.5 mg, 5 mg, 10 mg and 20 mg of vardenafil. The inactive ingredients are microcrystalline cellulose, hydroxypropyl cellulose, crospovidone, talc, colloidal silicon dioxide and magnesium stearate. The colorants include hypromellose, titanium dioxide, polyethylene glycol 6000, iron oxide yellow, iron oxide red, FD&C Yellow No. 5 Tartrazine Aluminum Lake and FD&C Yellow No. 6 Sunset Yellow FCF Aluminum Lake. Structure

Venlafaxine hydrochloride USP is a structurally novel antidepressant for oral administration. It is designated (R/S)-1-[2-(dimethylamino)-1-(4-methoxyphenyl)ethyl] cyclohexanol hydrochloride or (±)-1-[α-[(dimethyl-amino)methyl]-p-methoxybenzyl] cyclohexanol hydrochloride and has the empirical formula of C 17 H 27 NO 2 HCl. Its molecular weight is 313.87. The structural formula is shown below. Venlafaxine hydrochloride USP is a white to off-white crystalline solid with a solubility of 572 mg/mL in water (adjusted to ionic strength of 0.2 M with sodium chloride). Its octanol: water (0.2 M sodium chloride) partition coefficient is 0.43. Compressed tablets contain venlafaxine hydrochloride USP equivalent to 25 mg, 37.5 mg, 50 mg, 75 mg, or 100 mg venlafaxine. Inactive ingredients consist of cellulose, iron oxide red, iron oxide yellow,lactose monohydrate, magnesium stearate and crospovidone. Structure

Venlafaxine hydrochloride extended-release capsules, USP for once-a-day oral administration contains venlafaxine hydrochloride USP, a serotonin and norepinephrine reuptake inhibitor (SNRI). Venlafaxine is designated (R/S)-1-[2-(dimethylamino)-1-(4-methoxyphenyl) ethyl] cyclohexanol hydrochloride or (±)-1-[α- [(dimethylamino)methyl]-p-methoxybenzyl] cyclohexanol hydrochloride and has the empirical formula of C 17 H 27 NO 2 HCl. Its molecular weight is 313.86. The structural formula is shown as follows: Venlafaxine hydrochloride, USP is a white or almost white powder, it is freely soluble in methanol and water, soluble in anhydrous ethanol and slightly soluble or practically insoluble in acetone. Its octanol: water partition coefficient is 0.43. Drug release is controlled by diffusion through the coating membrane on the spheroids and is not pH-dependent. Capsules contain venlafaxine hydrochloride equivalent to 37.5 mg, 75 mg, or 150 mg venlafaxine. Inactive ingredients consist of sugar spheres (composed of sucrose, corn starch and purified water), talc, povidone (k-30), povidone (k-90), ethyl cellulose and hypromellose. The empty hard gelatin capsule shells contain titanium dioxide, gelatin, iron oxide red and iron oxide yellow. In addition, the 37.5 mg empty hard gelatin capsule shells contain iron oxide black. The capsules are printed with edible ink containing shellac, iron oxide red, propylene glycol and simethicone. FDA approved dissolution test specifications differ from USP. venlafaxine-structure

Vilazodone hydrochloride tablets for oral administration contain vilazodone hydrochloride (HCl), a selective serotonin reuptake inhibitor and a 5HT 1A receptor partial agonist. Vilazodone HCl is 2-benzofurancarboxamide, 5-[4-[4-(5-cyano-1 H -indol-3-yl)butyl]-1-piperazinyl]-, hydrochloride (1:1). Its molecular weight is 477.99. The structural formula is: Vilazodone hydrochloride tablets are available as 10 mg, 20 mg, and 40 mg film-coated tablets containing 10 mg, 20 mg, and 40 mg of vilazodone HCl, respectively. In addition to the active ingredient, vilazodone hydrochloride tablets contain microcrystalline cellulose, colloidal silicon dioxide, sodium starch glycolate, magnesium stearate, polyvinyl alcohol, polyethylene glycol, talc, titanium dioxide, FD&C Red No. # 40 Al Lake (10 mg only), FD&C Yellow No. # 6 Al Lake (20 mg only) and FD&C Blue No. # 1 Al Lake (40 mg only). vilazodone-fig.jpg

Zolmitriptan orally disintegrating tablets, USP contain zolmitriptan, which is a selective 5-hydroxytryptamine 1B/1D (5-HT 1B/1D ) receptor agonist. Zolmitriptan is chemically designated as (S)-4-[[3-[2-(dimethylamino)ethyl]-1H-indol-5-yl]methyl]-2-oxazolidinone and has the following chemical structure: The empirical formula is C 16 H 21 N 3 O 2 , representing a molecular weight of 287.36. Zolmitriptan is a white to off-white crystalline powder that is freely soluble in N,N-dimethyl formamide, dimethyl sulfoxide and practically insoluble in water. Zolmitriptan orally disintegrating tablets are available as 2.5 mg and 5 mg white to off-white uncoated tablets. The orally disintegrating tablets contain mannitol, microcrystalline cellulose, crospovidone, aspartame [see Warnings and Precautions (5.9)] , sodium stearyl fumarate, colloidal silicon dioxide, magnesium stearate, orange flavor, modified food starch (corn starch) and triacetin. Structure

Zolmitriptan tablets, USP contain zolmitriptan, which is a selective 5-hydroxytryptamine 1B/1D (5-HT 1B/1D ) receptor agonist. Zolmitriptan is chemically designated as (S)-4-[[3-[2-(dimethylamino)ethyl]-1H-indol-5yl]methyl]-2-oxazolidinone and has the following chemical structure: The molecular formula is C 16 H 21 N 3 O 2 , representing a molecular weight of 287.36. Zolmitriptan is a white to off-white crystalline powder that is practically insoluble in water. Zolmitriptan tablets are available as 2.5 mg (yellow) and 5 mg (pink) film coated tablets for oral administration. The film coated tablets contain anhydrous lactose, microcrystalline cellulose, sodium starch glycolate, magnesium stearate. In addition, following inactive ingredients are also present as components of the film coat: hypromellose, titanium dioxide, polyethylene glycol 4000, yellow iron oxide (2.5 mg strength) and hypromellose, titanium dioxide, talc, polyethylene glycol 6000 and red iron oxide (5 mg strength). Structure