Drug intelligence / Profile preview

samatasvir + simeprevir

Development stage
Unknown
Lead developer
Medivir
Modality
Small Molecules
Administration
Oral
01

Overview

Samatasvir + simeprevir is an investigational oral combination regimen evaluated for the treatment of chronic hepatitis C virus (HCV) infection. Samatasvir (IDX719) is an NS5A inhibitor, and simeprevir (TMC435) is an NS3/4A protease inhibitor. Both drugs interrupt the viral lifecycle at distinct stages: samatasvir by inhibiting the NS5A protein needed for viral replication and assembly, and simeprevir by inhibiting the NS3/4A protease required for HCV polyprotein processing. The combination aims for synergistic antiviral activity against HCV genotypes 1b, 4, and 6. This regimen was tested in phase II/III trials, usually as part of a 12-week all-oral regimen, often alongside ribavirin or other antivirals, in treatment-naïve and treatment-experienced (interferon/ribavirin-relapsed) patients[1][3][5].

Other names
samatasvir + simeprevir
02

Targets

NS3/4A (Hepatitis C virus nonstructural protein 3/4A serine protease)NS5A (Hepatitis C virus nonstructural protein 5A (genotype 1b))

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