VYVGART® SC, first-and-only IgG Fc-antibody fragment which specifically targets the neonatal Fc receptor (FcRn), now approved for use in Europe for CIDPApproval based on ADHERE clinical trial, the largest study of CIDP patients to dateFirst novel mechanism of action for CIDP treatment in more than 30 years June 20, 2025, 7:00 PM CET Amsterdam, the Netherlands – argenx SE (Euronext & Nasdaq: ARGX), a global immunology company committed to improving the lives of people suffering from severe autoimmune diseas ...

Core Viewpoint - The European Medicines Agency's Committee for Medicinal Products for Human Use (CHMP) has recommended the approval of VYVGART® (efgartigimod alfa) for the treatment of chronic inflammatory demyelinating polyneuropathy (CIDP) in adult patients, marking a significant advancement in treatment options for this rare autoimmune disease [1][4]. Company Overview - argenx SE is a global immunology company focused on developing innovative treatments for severe autoimmune diseases, aiming to address significant unmet medical needs [2][9]. - The company has developed VYVGART, the first targeted IgG Fc-antibody fragment for CIDP, which, if approved, would be the first novel treatment for CIDP in Europe in over 30 years [2][5]. Clinical Trial Insights - The CHMP recommendation is based on positive results from the ADHERE clinical trial, which is the largest study of CIDP patients to date, involving 322 participants [3][5]. - In the ADHERE trial, 66.5% of patients treated with VYVGART showed clinical improvement, with a primary endpoint met demonstrating a 61% reduction in the risk of relapse compared to placebo [3][5]. - The trial also indicated significant functional improvements in various clinical assessment tools, with 99% of participants opting to continue in the open-label extension of the study [3][5]. Market Implications - The CHMP's positive opinion serves as a scientific recommendation for marketing authorization, with the European Commission expected to make a decision within approximately two months [4][5]. - If approved, VYVGART will be available for subcutaneous injection, providing a new treatment option for CIDP patients across all 27 EU member states, as well as Iceland, Norway, and Liechtenstein [4][5]. Disease Context - CIDP is a rare autoimmune disease affecting the peripheral nervous system, leading to symptoms such as fatigue, muscle weakness, and loss of sensation, which can significantly impair daily functioning [7]. - There are an estimated 31,413 individuals living with CIDP in the European Union, highlighting the need for effective treatment options [7].