País: Australia
Idioma: inglés
Fuente: Department of Health (Therapeutic Goods Administration)
dasabuvir sodium monohydrate,ombitasvir,paritaprevir,Ribavirin,Ritonavir
Abbvie Pty Ltd
dasabuvir sodium monohydrate,ombitasvir,paritaprevir,Ribavirin,Ritonavir
VIEKIRA PAK-RBV Version 07 21 March 2017 1 of 57 PRODUCT INFORMATION VIEKIRA PAK-RBV COMBINATION THERAPY PACK NAME OF THE MEDICINE VIEKIRA PAK-RBV is a composite pack containing paritaprevir/ritonavir/ombitasvir 75/50/12.5 mg tablets, dasabuvir 250 mg tablets and 200 mg, 400 mg or 600 mg ribavirin tablets. Refer to DOSAGE AND ADMINISTRATION for populations requiring ribavirin. CHEMICAL STRUCTURE AND DESCRIPTION OF EACH ACTIVE PHARMACEUTICAL INGREDIENT PARITAPREVIR Paritaprevir drug substance is manufactured as a dihydrate; however, it is dehydrated during the drug product manufacturing process and is amorphous and anhydrous in the final product. Paritaprevir dihydrate is chemically designated (2_R_,6_S_,12_Z_,13a_S_,14a_R_,16a_S_)-_N_- (Cyclopropylsulfonyl)- 6-{[(5-methylpyrazin-2-yl)carbonyl]amino}-5,16-dioxo-2-(phenanthridin-6-yloxy)- 1,2,3,6,7,8,9,10,11,13a,14,15,16,16atetradecahydrocyclopropa[_e_]pyrrolo[1,2-_a_][1,4] diazacyclopentadecine-14a(5_H_)-carboxamide dihydrate. The molecular formula is C 40 H 43 N 7 O 7 S•2H 2 O (dihydrate) and the molecular weight for the drug substance is 801.91 (dihydrate). Paritaprevir dihydrate has the following structural formula: CAS Number: 1456607-71-8 Paritaprevir dihydrate is a white to off-white powder with very low water solubility. Paritaprevir dihydrate has a pKa of 4.6 at 25°C. RITONAVIR Ritonavir is chemically designated as [5_S_-(5_R_*,8_R_*,10_R_*,11_R_*)]10-Hydroxy-2-methyl-5-(1- methyethyl)-1-[2-(1-methylethyl)-4-thiazolyl]-3,6-dioxo-8,11-bis(phenylmehyl)-2,4,7,12- tetraazatridecan-13-oic acid,5-thiazolylmethyl ester. The molecular formula is C 37 H 48 N 6 O 5 S 2 and the molecular weight is 720.95. VIEKIRA PAK-RBV Version 07 21 March 2017 2 of 57 Ritonavir has the following structural formula: CAS Number: 155213-67-5 Ritonavir is a white to light tan powder practically insoluble in water and freely soluble in methanol and ethanol. Ritonavir has a pKa of 2.8. OMBITASVIR Ombitasvir drug substance is manufactured as a hydrate; however, it is dehydrated during Leer el documento completo