Ionis and GSK Report Positive Phase 3 Results for Bepirovirsen in Chronic Hepatitis B Treatment
Written by Emily J. Thompson, Senior Investment Analyst
Updated: 1d ago
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Source: Businesswire
- Clinical Trial Success: The B-Well 1 and B-Well 2 studies, conducted by Ionis and GSK across 29 countries with over 1,800 patients, successfully met their primary endpoint, demonstrating that bepirovirsen significantly improves functional cure rates compared to standard treatment, indicating a major advancement in chronic hepatitis B therapy.
- Significant Market Potential: With chronic hepatitis B affecting over 250 million people globally, if approved, bepirovirsen could become the first finite six-month therapeutic option, potentially reducing the risk of liver cancer and other long-term complications, thus addressing a critical unmet need in the market.
- Strategic Collaboration Benefits: The partnership between Ionis and GSK has facilitated the smooth development of bepirovirsen, with Ionis set to receive up to $150 million in regulatory and sales milestone payments, enhancing its financial position and research capabilities.
- Regulatory Recognition: Bepirovirsen has received Fast Track designation from the US FDA, Breakthrough Therapy designation in China, and SENKU designation in Japan, highlighting its innovative potential and market acceptance on a global scale, which bodes well for future commercial success.
Analyst Views on GSK
Wall Street analysts forecast GSK stock price to fall over the next 12 months. According to Wall Street analysts, the average 1-year price target for GSK is 45.00 USD with a low forecast of 45.00 USD and a high forecast of 45.00 USD. However, analyst price targets are subjective and often lag stock prices, so investors should focus on the objective reasons behind analyst rating changes, which better reflect the company's fundamentals.
1 Analyst Rating
0 Buy
1 Hold
0 Sell
Hold
Current: 50.560
Low
45.00
Averages
45.00
High
45.00
Current: 50.560
Low
45.00
Averages
45.00
High
45.00
About GSK
GSK plc is a biopharma company. The Company’s segments include Commercial Operations and Research and Development. Its portfolio and pipeline are focused on developing medicines and vaccines in four core therapeutic areas, which are the areas of human health it focuses on to prevent and treat disease: respiratory, immunology and inflammation; oncology; human immunodeficiency virus (HIV), and infectious diseases. Its specialty medicines prevent and treat diseases, from HIV to respiratory diseases, immune-mediated conditions like lupus, and cancer. Its vaccine portfolio includes over 20 vaccines to protect people from diseases and infections throughout their lives. General medicines include inhaled medicines for asthma and COPD to antibiotics. It develops and commercializes preclinical antibody-drug conjugate for Metastatic castration-resistant prostate cancer. Its portfolio also includes Efimosfermin, a fibroblast growth factor 21 (FGF21) analog therapeutic in clinical development.
About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.





