Study of VIR-3434 in Healthy Volunteers and Patients With Chronic Hepatitis B Virus Infection

Summary

This is a Phase 1 study in which healthy volunteers and participants with chronic HBV infection will receive VIR-3434 or placebo and will be assessed for safety, tolerability, pharmacokinetics (PK), and antiviral activity (only in participants with chronic HBV infection).

Timeline

Start

2020-05-26

Primary completion

2022-10-24

Completion

2022-11-25

Publications

• Vincenzetti L, Wong R, Marzi R, Guarino B, Stefanutti E, Gupta SV, Rosen LE, Belnap DM, Wang L, Chen YP, di Iulio J, Momin A, Tracy KE, Deshpande S, Errico JM, Giovannoni F, Sprugasci N, Peter A, Seu L, Cloutier D, Tay CH, Snell G, Czudnochowski N, Lempp FA, Havenar-Daughton C, Benigni F, Lanzavecchia A, Agarwal K, Yuen MF, Wedemeyer H, Gane E, Arvin A, Corti D, Schmid MA. Engineered monoclonal antibody tobevibart enhances HBsAg capture by Fc receptor-positive cells and activates HBV-specific T cells. J Hepatol. 2026 Jan;84(1):62-73. doi: 10.1016/j.jhep.2025.08.016. Epub 2025 Aug 27.

Drugs

Indications