Vir Biotechnology to Present Complete Week 96 Data from Phase 2 SOLSTICE Clinical Trial in Hepatitis Delta at the European Association for the Study of the Liver (EASL) Congress 2026

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- Oral presentation of complete Week 96 data from the Phase 2 SOLSTICE trial in chronic hepatitis delta selected for inclusion in "Best of EASL 2026" by EASL - Poster presentation of Week 48 subgroup analysis from the Phase 2 SOLSTICE trial in chronic hepatitis delta selected for poster tour by EASL SAN FRANCISCO, May 18, 2026--(BUSINESS WIRE)--Vir Biotechnology, Inc. (Nasdaq: VIR) today announced the Company will present data from the Phase 2 SOLSTICE trial evaluating the combination of tobevibart and elebsiran for chronic hepatitis delta at the upcoming EASL Congress 2026 in Barcelona, Spain, May 27-30, 2026. About Chronic Hepatitis Delta (CHD) CHD is the most severe form of chronic viral hepatitis1 and was recently classified as carcinogenic by the International Agency for Research on Cancer.2 People living with the disease rapidly progress to cirrhosis, liver failure3 and liver-related death.1 Because ongoing hepatitis delta virus (HDV) replication drives disease progression, achieving undetectable virus, as defined by HDV RNA TND (target not detected), is considered an important virologic marker associated with improved clinical outcomes in CHD.4 Individuals with CHD who have detectable HDV RNA are at a higher risk of experiencing any liver-related event, including developing compensated and decompensated cirrhosis, hepatocellular carcinoma, liver transplantation and mortality, compared to patients with undetectable HDV RNA.4 There are currently no approved treatments in the U.S., and options are limited in the European Union and globally. About Tobevibart and Elebsiran Tobevibart and elebsiran are investigational agents being evaluated as a novel combination regimen administered monthly as two separate sequential subcutaneous injections for the treatment of CHD. The combination is designed to disrupt the HDV life cycle at multiple points by addressing both viral entry and the sustained presence of hepatitis B surface antigen (HBsAg) that enables ongoing HDV replication. Tobevibart is an investigational broadly neutralizing monoclonal antibody (mAb) targeting HBsAg. It is designed to inhibit the entry of hepatitis B and hepatitis delta viruses into hepatocytes and to reduce the level of circulating viral and subviral particles in the blood. Tobevibart was identified using Vir Biotechnology’s proprietary mAb discovery platform. The Fc domain...

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