Committed to the discovery, development and commercialization of oral direct-acting antiviral therapies.

HCV

Bemnifosbuvir + ruzasvir

The regimen of bemnifosbuvir, a nucleotide analog polymerase inhibitor and ruzasvir,
an NS5A inhibitor, is advancing to a global Phase 3 program for the treatment of
hepatitis C virus (HCV). As single agents, both bemnifosbuvir and ruzasvir have
demonstrated potent pan-genotypic antiviral activity against HCV.

ATEA PHARMACEUTICALS

Combining innovative discoveries with development expertise to advance antivirals with the potential to transform treatments for patients with serious viral diseases.

Atea is a clinical stage biopharmaceutical company working to address unmet medical needs with innovative oral antiviral therapies.

Advancing Oral Antiviral Therapies with Multibillion Dollar Market Opportunities

Hepatitis C (HCV)

Innovative Therapies to Address Unmet Medical Needs

Hepatitis C (HCV)

Our science.

Leveraging our deep understanding of antiviral drug development, medicinal chemistry, biology, biochemistry and virology, we are discovering and developing novel product candidates to treat single stranded ribonucleic acid, or ssRNA, viruses, which are a prevalent cause of serious viral diseases. Currently, we are focused on the development of orally-available direct-acting antiviral agents for the treatment of hepatitis C virus (HCV).

A network of hubs and spokes is suspended, representing the idea of a modular platform.

NEWS

Follow our progress.

Updates on the regimen of bemnifosbuvir and ruzasvir for the treatment of HCV and

other Atea news.

Atea Pharmaceuticals Announces Full Results from Phase 2 Study of Regimen of Bemnifosbuvir and Ruzasvir for Treatment of Hepatitis C Virus (HCV) Presented at EASL Congress 2025

         Full Results from Phase 2 Study Confirmed 98% Sustained Virologic Response at 12 Weeks Post-Treatment (SVR12) After Short 8-Week Treatment Duration for Regimen Results from Phase 1 Study Showed Low Risk for Drug-Drug Interactions with Regimen When Co-Administered with Standard HIV

Atea Pharmaceuticals to Host Virtual HCV KOL Panel on May 14, 2025

Panel to Discuss Current Challenges Encountered by Patients with HCV , Results from Atea’s Phase 2 Study of the Regimen of Bemnifosbuvir and Ruzasvir, and What a New Optimized HCV Therapy Could Provide for Prescribers and Patients Event to Replace Atea’s First Quarter 2025 Earnings Conference Call;

Atea Pharmaceuticals to Present New Data Showcasing Potential Best-in-Class Regimen of Bemnifosbuvir and Ruzasvir for Treatment of Hepatitis C Virus at EASL Congress 2025

BOSTON, April 23, 2025 (GLOBE NEWSWIRE) -- Atea Pharmaceuticals, Inc. (Nasdaq: AVIR) (Atea or Company), a clinical-stage biopharmaceutical company engaged in the discovery and development of oral antiviral therapeutics for serious viral diseases, today announced that the full results from the Phase