argenx Announces U.S. FDA Approval Expanding VYVGART and VYVGART Hytrulo for Use in All Adult Patients Living with gMG
argenx announced FDA approval for label expansion of VYVGART and VYVGART Hytrulo to treat all serotypes of adult patients living with generalized myasthenia gravis (gMG), including rare antibody-negative subtypes. The approval is based on positive Phase 3 ADAPT SERON study results showing rapid, significant, and sustained symptom improvement with a…