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ABT450r-ABT267-ABT333 +/- Ribavirin

Ottawa Hospital Research Institute · FDA-approved active Small molecule

ABT450r-ABT267-ABT333 +/- Ribavirin is a Direct-acting antiviral (DAA) combination Small molecule drug developed by Ottawa Hospital Research Institute. It is currently FDA-approved for Chronic hepatitis C virus (HCV) infection, genotype 1. Also known as: ombitasvir/paritaprevir/ritonavir, dasabuvir, ribavirin.

This is a fixed-dose combination of three direct-acting antivirals that inhibit hepatitis C virus (HCV) NS3/4A protease, NS5A protein, and NS5B polymerase, with optional ribavirin co-administration.

This is a fixed-dose combination of three direct-acting antivirals that inhibit hepatitis C virus (HCV) NS3/4A protease, NS5A protein, and NS5B polymerase, with optional ribavirin co-administration. Used for Chronic hepatitis C virus (HCV) infection, genotype 1, Chronic hepatitis C virus (HCV) infection, treatment-naïve and treatment-experienced patients.

At a glance

Generic nameABT450r-ABT267-ABT333 +/- Ribavirin
Also known asombitasvir/paritaprevir/ritonavir, dasabuvir, ribavirin
SponsorOttawa Hospital Research Institute
Drug classDirect-acting antiviral (DAA) combination
TargetHCV NS3/4A protease, NS5A protein, NS5B polymerase
ModalitySmall molecule
Therapeutic areaInfectious Disease / Virology
PhaseFDA-approved

Mechanism of action

ABT450r is a boosted NS3/4A protease inhibitor, ABT267 is an NS5A inhibitor, and ABT333 is an NS5B non-nucleoside polymerase inhibitor. Together they target multiple steps of HCV replication. Ribavirin, when included, is a nucleoside analog that enhances viral suppression through additional mechanisms.

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 ABT450r-ABT267-ABT333 +/- Ribavirin

What is ABT450r-ABT267-ABT333 +/- Ribavirin?

ABT450r-ABT267-ABT333 +/- Ribavirin is a Direct-acting antiviral (DAA) combination drug developed by Ottawa Hospital Research Institute, indicated for Chronic hepatitis C virus (HCV) infection, genotype 1.

How does ABT450r-ABT267-ABT333 +/- Ribavirin work?

This is a fixed-dose combination of three direct-acting antivirals that inhibit hepatitis C virus (HCV) NS3/4A protease, NS5A protein, and NS5B polymerase, with optional ribavirin co-administration.

What is ABT450r-ABT267-ABT333 +/- Ribavirin used for?

ABT450r-ABT267-ABT333 +/- Ribavirin is indicated for Chronic hepatitis C virus (HCV) infection, genotype 1.

Who makes ABT450r-ABT267-ABT333 +/- Ribavirin?

ABT450r-ABT267-ABT333 +/- Ribavirin is developed and marketed by Ottawa Hospital Research Institute (see full Ottawa Hospital Research Institute pipeline at /company/ottawa-hospital-research-institute).

Is ABT450r-ABT267-ABT333 +/- Ribavirin also known as anything else?

ABT450r-ABT267-ABT333 +/- Ribavirin is also known as ombitasvir/paritaprevir/ritonavir, dasabuvir, ribavirin.

What drug class is ABT450r-ABT267-ABT333 +/- Ribavirin in?

ABT450r-ABT267-ABT333 +/- Ribavirin belongs to the Direct-acting antiviral (DAA) combination class. See all Direct-acting antiviral (DAA) combination drugs at /class/direct-acting-antiviral-daa-combination.

What development phase is ABT450r-ABT267-ABT333 +/- Ribavirin in?

ABT450r-ABT267-ABT333 +/- Ribavirin is FDA-approved (marketed).

What are the side effects of ABT450r-ABT267-ABT333 +/- Ribavirin?

Common side effects of ABT450r-ABT267-ABT333 +/- Ribavirin include Fatigue, Headache, Nausea, Diarrhea.

What does ABT450r-ABT267-ABT333 +/- Ribavirin target?

ABT450r-ABT267-ABT333 +/- Ribavirin targets HCV NS3/4A protease, NS5A protein, NS5B polymerase and is a Direct-acting antiviral (DAA) combination.

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