Last reviewed · How we verify

Placebo Narlaprevir

R-Pharm · Phase 3 active Small molecule

Narlaprevir is a protease inhibitor used to treat hepatitis C virus (HCV) infection.

Narlaprevir is a protease inhibitor used to treat hepatitis C virus (HCV) infection. Used for Chronic hepatitis C virus (HCV) infection, HCV genotype 1 infection.

At a glance

Generic namePlacebo Narlaprevir
SponsorR-Pharm
Drug classprotease inhibitor
TargetNS3/4A protease
ModalitySmall molecule
Therapeutic areaInfectious Diseases
PhasePhase 3

Mechanism of action

Narlaprevir works by inhibiting the NS3/4A protease enzyme, which is essential for the replication of the HCV virus. This leads to a reduction in viral load and an improvement in liver function. Narlaprevir is often used in combination with other antiviral medications to achieve optimal treatment outcomes.

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

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape: