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AbbVie brands
Paritaprevir
Другие языки:

Paritaprevir

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Paritaprevir
Paritaprevir structure 2.svg
Clinical data
Trade names Viekira Pak (in combination with ombitasvir, ritonavir and dasabuvir), Technivie/Viekirax (in combination with ombitasvir and ritonavir)
Other names Veruprevir; ABT-450
License data
Routes of
administration		 Oral
ATC code
Legal status
Legal status
Pharmacokinetic data
Bioavailability was not evaluated
Protein binding 97–98.6%
Metabolism Hepatic, CYP3A4 and CYP3A5
Onset of action 4 to 5 hours
Elimination half-life 5.5 hours
Excretion feces (88%), urine (8,8%)
Identifiers
  • (2R,6S,12Z,13aS,14aR,16aS)-N-(Cyclopropylsulfonyl)-6-{[(5-methyl-2-pyrazinyl)carbonyl]amino}-5,16-dioxo-2-(6-phenanthridinyloxy)-1,2,3,6,7,8,9,10,11,13a,14,15,16,16a-tetradecahydrocyclopropa[e]pyrrolo [1,2-a] [1,4]diazacyclopentadecine-14a(5H)-carboxamide
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
Chemical and physical data
Formula C40H43N7O7S
Molar mass 765.89 g·mol−1
3D model (JSmol)
  • Cc1cnc(cn1)C(=O)N[C@H]2CCCCC/C=C\[C@@H]3C[C@]3(NC(=O)[C@@H]4C[C@H](CN4C2=O)Oc5c6ccccc6c7ccccc7n5)C(=O)NS(=O)(=O)C8CC8
  • InChI=1S/C40H43N7O7S/c1-24-21-42-33(22-41-24)35(48)43-32-16-6-4-2-3-5-11-25-20-40(25,39(51)46-55(52,53)27-17-18-27)45-36(49)34-19-26(23-47(34)38(32)50)54-37-30-14-8-7-12-28(30)29-13-9-10-15-31(29)44-37/h5,7-15,21-22,25-27,32,34H,2-4,6,16-20,23H2,1H3,(H,43,48)(H,45,49)(H,46,51)/b11-5-/t25-,26-,32+,34+,40-/m1/s1
  • Key:UAUIUKWPKRJZJV-QPLHLKROSA-N

Paritaprevir (previously known as ABT-450) is an acylsulfonamide inhibitor of the NS3-4A serine protease manufactured by Abbott Laboratories that shows promising results as a treatment of hepatitis C. When given in combination with ritonavir and ribavirin for 12 weeks, the rate of sustained virologic response at 24 weeks after treatment has been estimated to be 95% for those with hepatitis C virus genotype 1. Resistance to treatment with paritaprevir is uncommon, because it targets the binding site, but has been seen to arise due to mutations at positions 155 and 168 in NS3.

Paritaprevir was a component of Viekira Pak and Technivie. In May 2018, the FDA announced that Technivie and Viekira were to be discontinued. The discontinuation was voluntary and not related to the safety, quality, or efficacy of the medicine. It was estimated that both medications would be available until January 1, 2019.



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