
argenx Announces FDA Acceptance of Supplemental Biologics License Application with Priority Review for VYVGART in AChR-Ab Seronegative gMG
January 13, 2026, 7:00 AM CET Amsterdam, the Netherlands – argenx SE (Euronext & Nasdaq: ARGX), a global immunology company committed to improving the lives of people suffering from severe autoimmune diseases, today announced that the U.S. Food and Drug Administration (FDA) has accepted for priority review a supplemental Biologics License Application (sBLA) for VYVGART® (IV: efgartigimod alfa-fcab) for the treatment of adults with acetylcholine receptor antibody (AChR-Ab) seronegative generalized myasthenia gravis (gMG). The application has been granted a Prescription Drug User Fee Act (PDUFA) target action date of May 10, 2026.


















