argenx said Monday the subcutaneous (SC) version of its human IgG1 antibody fragment Vyvgart (efgartigimod alfa), marketed as Vyvgart Hytrulo, cleared a Phase III trial in adults with autoimmune myositis.
"For decades, people living with autoimmune myositis have relied on corticosteroids and broad immunosuppression," said Luc Truyen, chief medical officer of argenx, noting that "precision targeting of FcRn with [Vyvgart] can deliver meaningful benefit in this disease."
The late-stage portion o