On 21 June 2025, Argenx announced that the FDA approved a new indication of its VYVGART® Hytrulo (efgartigimod alfa and hyaluronidase-qvfc) for chronic inflammatory demyelinating polyneuropathy (CIDP).
VYVGART Hytrulo is approved for CIDP, administered as a subcutaneous injection once weekly lasting 30 to 90 seconds. It is notable as the only neonatal Fc receptor (FcRn) blocker approved for treating CIDP.