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

HCV

Regimen of bemnifosbuvir / ruzasvir

The regimen of bemnifosbuvir, a nucleotide analog polymerase inhibitor and ruzasvir, an NS5A inhibitor, is advancing in a global Phase 3 development program for the treatment of hepatitis C virus (HCV). In a global Phase 2 study, the regimen met its primary endpoints of efficacy and safety. 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 Completes Patient Enrollment in North American Phase 3 Trial Evaluating Regimen of Bemnifosbuvir and Ruzasvir for Treatment of Hepatitis C Virus

Enrollment Completed in C-BEYOND Phase 3 Trial with More Than 880 HCV Treatment-Naïve Patients in US and Canada C-BEYOND Topline Results Expected Mid-2026 C-FORWARD Phase 3 Trial, Conducted Outside North America, Enrollment Completion Expected Mid-2026 with Topline Results Anticipated Year-End 2026

Atea Pharmaceuticals to Present at the 8th Annual Evercore Healthcare Conference

BOSTON, Nov. 19, 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 Jean-Pierre Sommadossi, PhD,

Atea Pharmaceuticals Reports Third Quarter 2025 Financial Results and Provides Business Update

Patient Enrollment on Track in Global Phase 3 Program for Treatment of Hepatitis C Virus (HCV), Topline Results from North America Trial Expected Mid-2026  New Data Show Bemnifosbuvir Has Unique Dual Mechanism Against HCV New Data Presented at The Liver Meeting ® , the Annual Meeting of AASLD,