What is Asunaprevir used for?

Asunaprevir is used to treat infections caused by the Hepatitis C virus, including chronic cases.

How does Asunaprevir work against Hepatitis C?

It works by blocking a specific enzyme in the Hepatitis C virus called NS3/NS4A protease, which prevents the virus from replicating.

Can Asunaprevir be taken by mouth?

Yes, Asunaprevir is an oral medication.

Is Asunaprevir a natural product?

Yes, according to the data, it is classified as a natural product.

When was Asunaprevir first approved?

Asunaprevir received its first approval in 2014.

asunaprevir | CAS 630420-16-5 | XRWSZZJLZRKHHD

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Hepatitis C virus serine protease, NS3/NS4A inhibitor

Asunaprevir is a small molecule drug designed to treat hepatitis C virus infections. It works by inhibiting a specific enzyme in the virus called the NS3/NS4A serine protease, which helps stop the virus from multiplying.

How it worksAsunaprevir targets and blocks a protein used by the Hepatitis C virus to replicate, preventing the virus from spreading in the body.

Used for

Chronic hepatitis C virus infectionHepatitis C virus infection

Conditions

Hepatitis C

Class

NS3/NS4A inhibitorSerine protease inhibitorHepatitis C virus serine protease, NS3/NS4A inhibitorHepatic

How to take

FormsOral

RoutesOral

This drug is a small molecule used to treat viral infections related to Hepatitis C.

Talk to your doctor

Questions to ask

·Is Asunaprevir the right treatment for my type of Hepatitis C?
·How will Asunaprevir interact with my other medications?
·Are there specific foods I should avoid while taking Asunaprevir?

Educational summary derived from FDA labeling, AI-assisted. Not medical advice — consult a healthcare professional. Updated 2026-04-26.

How to take

Talk to your doctor

Frequently asked questions (6)