New nipocalimab data and real-world research at AAN 2025 highlight positive Phase 3 results and commitment to people living with generalized myasthenia gravis (gMG)

Core Insights - Johnson & Johnson presented new data from the 24-week pivotal Vivacity-MG3 study, demonstrating sustained disease control through treatment with nipocalimab in antibody-positive adult patients with generalized myasthenia gravis (gMG) [1][2] - The company filed a Biologics License Application (BLA) for nipocalimab in August 2024, which has been granted U.S. FDA Priority Review for the treatment of gMG [1][2] - Real-world studies indicate a significant unmet need for effective treatments for patients living with gMG, particularly among pregnant women and those receiving steroids [1][3] Company Developments - Johnson & Johnson announced that 12 abstracts, including two oral presentations, will be presented at the 2025 American Academy of Neurology (AAN) Annual Meeting, highlighting the potential of nipocalimab in treating gMG [1][4] - The ongoing open-label extension (OLE) study of nipocalimab shows long-term efficacy and safety, indicating sustained disease control in a broad population of antibody-positive gMG adult patients [6][11] - The company emphasizes its commitment to addressing critical unmet needs in the autoantibody disease space through innovative research and development [4][14] Industry Context - Myasthenia gravis (MG) is an autoantibody disease affecting approximately 700,000 people worldwide, with a significant portion being women of child-bearing potential [10][11] - The Phase 3 Vivacity-MG3 study was designed to measure sustained efficacy and safety in gMG patients with insufficient response to standard of care (SOC) therapy [11][12] - There is a growing recognition of the need for additional approved immunoselective therapies that are effective and have demonstrated safety profiles for individuals living with gMG [3][6]