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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 generalize

articleArgenx SeJanuary 13, 20269/company/argenx-se/news/argenx-announces-fda-acceptance-of-supplemental-biologics-license-application-with-priority-review-for-vyvgart-in-achr-ab-seronegative-gmg
argenx Announces FDA Acceptance of Supplemental Biologics License Application with Priority Review for VYVGART in AChR-Ab Seronegative gMG

About this update from Argenx Se

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myasthenia gravisautoimmune diseasesgMGacetylcholine receptorargenxBiologics License Applicationseronegative patientsVYVGART