argenx to Highlight Key Data and Breadth of Immunology Innovation at 2025 AANEM Annual Meeting and MGFA Scientific Session

Core Insights - argenx SE is set to present pivotal data for its therapies VYVGART and empasiprubart at the upcoming AANEM Annual Meeting and MGFA Scientific Session, highlighting its commitment to addressing severe autoimmune diseases [1][2] Group 1: VYVGART Developments - VYVGART is being expanded into new patient populations, with data showcasing its potential to treat a broad set of myasthenia gravis patients, including those who are anti-acetylcholine receptor antibody negative [6][7] - The Phase 3 ADAPT SERON study results indicate clinically meaningful improvements in disease activity across all subtypes of generalized myasthenia gravis [7] - Real-world evidence and long-term data reinforce VYVGART's sustained impact on patient outcomes, with over 40 abstracts presented across various neuromuscular diseases [6][7] Group 2: Empasiprubart Progress - Empasiprubart is being evaluated in multiple studies, including Phase 3 trials EMVIGORATE and EMNERGIZE for chronic inflammatory demyelinating polyneuropathy (CIDP), demonstrating argenx's commitment to innovative therapies [7][31] - The Phase 2 ARDA study highlights the clinical efficacy and safety of empasiprubart in multifocal motor neuropathy (MMN), with a Phase 3 study design (EMPASSION) planned to compare its efficacy against intravenous immunoglobulin [7][31] Group 3: Conference Presentations - The AANEM and MGFA sessions will feature oral and poster presentations detailing the clinical development programs for VYVGART and empasiprubart, emphasizing their potential benefits for patients with autoimmune and neuromuscular diseases [6][9] - Key presentations will include results from the ADAPT Jr study investigating VYVGART in juvenile generalized myasthenia gravis and real-world data on glucocorticoid use reduction following efgartigimod initiation [8][9]