dutasteride and tamsulosin hydrochloride - Generic Medications

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Dutasteride and tamsulosin hydrochloride capsules contain dutasteride (a selective inhibitor of both the type 1 and type 2 isoforms of steroid 5 alpha-reductase, an intracellular enzyme that converts testosterone to DHT and tamsulosin (an antagonist of alpha 1A -adrenoceptors in the prostate). Each dutasteride and tamsulosin hydrochloride capsule contains the following: One dutasteride oblong, opaque, yellow gelatin capsule, containing 0.5 mg of dutasteride dissolved in a mixture of butylated hydroxytoluene and mono-and di-glycerides of caprylic/capric acid. The inactive ingredients in the soft-gelatin capsule shell are ferric oxide (yellow), gelatin (from certified BSE-free bovine sources), glycerin, titanium dioxide, lecithin, medium chain triglycerides, propylene glycol, iron oxide black, polyvinyl acetate phthalate, macrogol, and ammonium hydroxide. Tamsulosin hydrochloride white to off-white pellets, containing 0.4 mg tamsulosin hydrochloride and the inactive ingredients: methacrylic acid copolymer, sugar sphere, ethylcellulose, polyethylene glycol, triethyl citrate and talc. The above components are encapsulated in a hard-shell capsule made with the inactive ingredients of hypromellose, FD&C Blue #1, titanium dioxide, shellac, iron oxide black, propylene glycol, FD&C blue #2, FD&C red #40, D&C yellow #10. Blue opaque cap imprinted with “C280” and white opaque body imprinted with “0.5/0.4” in black ink containing white to off white spherical shaped pellets and one oblong, opaque yellow softgel capsule printed with “C300” in black ink. Dutasteride: Dutasteride is a synthetic 4-azasteroid compound chemically designated as (5α,17β)-N-{2,5 bis(trifluoromethyl)phenyl}-3-oxo-4-azaandrost-1-ene-17-carboxamide. The empirical formula of dutasteride is C 27 H 30 F 6 N 2 O 2 , representing a molecular weight of 528.5 with the following structural formula: Dutasteride is a white to pale yellow powder with a melting point of 242° to 250°C. It is soluble in ethanol (44 mg/mL), methanol (64 mg/mL), and polyethylene glycol 400 (3 mg/mL), but it is insoluble in water. Tamsulosin: Tamsulosin hydrochloride is a synthetic compound chemically designated as (-)-( R )-5-[2-[[2-( o -Ethoxyphenoxy)ethyl]amino]propyl]-2-methoxybenzenesulfonamide, monohydrochloride. The empirical formula of tamsulosin hydrochloride is C 20 H 28 N 2 O 5 S•HCl. The molecular weight of tamsulosin hydrochloride is 444.97. Its structural formula is: Tamsulosin hydrochloride is a white or almost white crystalline powder that melts with decomposition at approximately 234°C. It is sparingly soluble in water and slightly soluble in methanol, ethanol, acetone, and ethyl acetate. Dutasteride-Structural-Formula.jpg Tamsulosin-Structural-Formula.jpg

Dutasteride and tamsulosin hydrochloride capsules, USP contain dutasteride (a selective inhibitor of both the type 1 and type 2 isoforms of steroid 5 alpha-reductase, an intracellular enzyme that converts testosterone to DHT and tamsulosin (an antagonist of alpha 1A -adrenoceptors in the prostate). Each dutasteride and tamsulosin hydrochloride capsule, USP contains the following: One dutasteride dull-yellow, opaque, oblong shaped soft gelatin capsule containing clear, colorless to pale yellow viscous oil which is 0.5 mg of dutasteride USP dissolved in a mixture of butylated hydroxytoluene and glycerol monocaprylocaprate type I. The inactive ingredients in the soft-gelatin capsule shell are ferric oxide yellow, gelatin (from certified BSE-free bovine sources), glycerin, and titanium dioxide. Tamsulosin hydrochloride white to off-white beadlets, containing 0.4 mg tamsulosin hydrochloride USP and the inactive ingredients: calcium stearate, methacrylic acid and ethyl acrylate copolymer dispersion, microcrystalline cellulose, talc, and triacetin. The above components are encapsulated in a hard-shell capsule made with the inactive ingredients of black iron oxide, carrageenan, FD&C yellow 6, hypromellose, iron oxide red, potassium chloride, and titanium dioxide. The capsules are imprinted with black ink containing black iron oxide, potassium hydroxide, and shellac. Dutasteride: Dutasteride is a synthetic 4-azasteroid compound chemically designated as (5α,17β)-N-{2,5 bis(trifluoromethyl)phenyl}-3-oxo-4-azaandrost-1-ene-17-carboxamide.The molecular formula of dutasteride is C 27 H 30 F 6 N 2 O 2 , representing a molecular weight of 528.5 with the following structural formula: Dutasteride is a white to pale yellow powder with a melting point is about 242° to 250ºC. It is soluble in ethanol and in methanol, insoluble in polyethylene glycol 400 and in water. Tamsulosin: Tamsulosin hydrochloride is a synthetic compound chemically designated as (-)-( R )-5-[2-[[2-( o -Ethoxyphenoxy)ethyl]amino]propyl]-2-methoxybenzenesulfonamide, monohydrochloride. The molecular formula of tamsulosin hydrochloride is C 20 H 28 N 2 O 5 S•HCl. The molecular weight of tamsulosin hydrochloride is 444.97. Its structural formula is: Tamsulosin hydrochloride is a white or almost white crystalline powder that melts with decomposition at about 234°C. It is freely soluble in formic acid, sparingly soluble in methanol: slightly soluble in water, very slightly soluble in dehydrated alcohol and practically insoluble in ether. FDA approved dissolution test specifications differ from USP. Chemical Structure 1 Chemical Structure 2

Dutasteride and tamsulosin hydrochloride capsules contain dutasteride (a selective inhibitor of both the type 1 and type 2 isoforms of steroid 5 alpha-reductase, an intracellular enzyme that converts testosterone to DHT and tamsulosin (an antagonist of alpha1A-adrenoceptors in the prostate). Each dutasteride and tamsulosin hydrochloride capsule contains the following: One dutasteride opaque white colored, oblong shaped soft gelatin capsules containing clear colorless to slightly yellowish oily liquid, containing 0.5 mg dutasteride and the inactive ingredients: butylated hydroxy toluene, gelatin, glycerin, methylparaben, mono and diglycerides of capric acid, propylparaben and titanium dioxide. Tamsulosin hydrochloride white to off-white pellets, containing 0.4 mg tamsulosin hydrochloride and the inactive ingredients: microcrystalline cellulose, methacrylic acid copolymer dispersion, talc and triacetin. The above components are encapsulated in a hard-shell capsule made with the inactive ingredients: carrageenan, hypromellose, iron oxide yellow, potassium chloride, titanium dioxide, and imprinted with black pharmaceutical ink which contains butyl alcohol, ferrosoferic oxide, dehydrated alcohol, isopropyl alcohol, propylene glycol, potassium hydroxide, shellac and strong ammonia solution. Dutasteride: Dutasteride, USP is a synthetic 4-azasteroid compound chemically designated as (5α,17β)-N-{2,5 bis(trifluoromethyl)phenyl}-3-oxo-4-azaandrost-1-ene-17-carboxamide. The molecular formula of dutasteride is C 27 H 30 F 6 N 2 O 2 , representing a molecular weight of 528.5 with the following structural formula: Dutasteride, USP is white to off-white colored powder. It is soluble in absolute ethanol and methanol and insoluble in water. Tamsulosin: Tamsulosin hydrochloride, USP is a synthetic compound chemically designated as (-)-( R )-5-[2-[[2-( o -Ethoxyphenoxy)ethyl]amino]propyl]-2-methoxybenzenesulfonamide, monohydrochloride. The molecular formula of tamsulosin hydrochloride is C 20 H 28 N 2 O 5 S•HCl. The molecular weight of tamsulosin hydrochloride is 444.97. Its structural formula is: Tamsulosin hydrochloride, USP is white crystalline powder, odorless or practically odorless. It is slightly soluble in water and anhydrous ethanol, sparingly soluble in methanol, freely soluble in dimethyl sulfoxide and formic acid, practically soluble in ether. Dutasteride and tamsulosin hydrochloride capsules Dutasteride and tamsulosin hydrochloride capsules