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Ombitasvir-Paritaprevir-Ritonavir

University of Modena and Reggio Emilia · FDA-approved active Small molecule

Ombitasvir-Paritaprevir-Ritonavir is a HCV protease inhibitor and NS5A inhibitor combination Small molecule drug developed by University of Modena and Reggio Emilia. It is currently FDA-approved for Chronic hepatitis C virus infection, genotype 1 (with or without ribavirin, depending on cirrhosis status), Chronic hepatitis C virus infection, genotype 4. Also known as: Viekirax.

This combination inhibits hepatitis C virus NS3/4A protease, NS5A protein, and uses ritonavir as a pharmacokinetic booster to increase drug levels.

This combination inhibits hepatitis C virus (HCV) NS3/4A protease, NS5A protein, and uses ritonavir as a pharmacokinetic booster to increase drug levels. Used for Chronic hepatitis C virus (HCV) infection, genotype 1 and 4.

At a glance

Generic nameOmbitasvir-Paritaprevir-Ritonavir
Also known asViekirax
SponsorUniversity of Modena and Reggio Emilia
Drug classHCV protease inhibitor and NS5A inhibitor combination
TargetHCV NS3/4A protease, HCV NS5A protein
ModalitySmall molecule
Therapeutic areaVirology/Hepatology
PhaseFDA-approved

Mechanism of action

Ombitasvir inhibits the NS5A protein essential for HCV replication, paritaprevir inhibits the NS3/4A serine protease required for viral polyprotein processing, and ritonavir inhibits CYP3A4 to boost paritaprevir concentrations. Together, these agents block multiple steps in the HCV viral lifecycle, achieving high cure rates in genotype 1 and 4 infections.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

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Frequently asked questions about Ombitasvir-Paritaprevir-Ritonavir

What is Ombitasvir-Paritaprevir-Ritonavir?

Ombitasvir-Paritaprevir-Ritonavir is a HCV protease inhibitor and NS5A inhibitor combination drug developed by University of Modena and Reggio Emilia, indicated for Chronic hepatitis C virus infection, genotype 1 (with or without ribavirin, depending on cirrhosis status), Chronic hepatitis C virus infection, genotype 4.

How does Ombitasvir-Paritaprevir-Ritonavir work?

This combination inhibits hepatitis C virus NS3/4A protease, NS5A protein, and uses ritonavir as a pharmacokinetic booster to increase drug levels.

What is Ombitasvir-Paritaprevir-Ritonavir used for?

Ombitasvir-Paritaprevir-Ritonavir is indicated for Chronic hepatitis C virus infection, genotype 1 (with or without ribavirin, depending on cirrhosis status), Chronic hepatitis C virus infection, genotype 4.

Who makes Ombitasvir-Paritaprevir-Ritonavir?

Ombitasvir-Paritaprevir-Ritonavir is developed and marketed by University of Modena and Reggio Emilia (see full University of Modena and Reggio Emilia pipeline at /company/university-of-modena-and-reggio-emilia).

Is Ombitasvir-Paritaprevir-Ritonavir also known as anything else?

Ombitasvir-Paritaprevir-Ritonavir is also known as Viekirax.

What drug class is Ombitasvir-Paritaprevir-Ritonavir in?

Ombitasvir-Paritaprevir-Ritonavir belongs to the HCV protease inhibitor and NS5A inhibitor combination class. See all HCV protease inhibitor and NS5A inhibitor combination drugs at /class/hcv-protease-inhibitor-and-ns5a-inhibitor-combination.

What development phase is Ombitasvir-Paritaprevir-Ritonavir in?

Ombitasvir-Paritaprevir-Ritonavir is FDA-approved (marketed).

What are the side effects of Ombitasvir-Paritaprevir-Ritonavir?

Common side effects of Ombitasvir-Paritaprevir-Ritonavir include Fatigue, Headache, Nausea, Pruritus, Elevated bilirubin.

What does Ombitasvir-Paritaprevir-Ritonavir target?

Ombitasvir-Paritaprevir-Ritonavir targets HCV NS3/4A protease, HCV NS5A protein and is a HCV protease inhibitor and NS5A inhibitor combination.

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