Efgartigimod alfa - argenx
Alternative Names: ARGX-113; EFG PH20 SC; Efgartigimod - argenx; Efgartigimod alfa-fcab - argenx; efgartigimod PH20; efgartigimod PH20 SC; PH20 SC; VYVDURA; VYVGART; Vyvgart; VYVGART HYTRULOLatest Information Update: 06 Oct 2025
At a glance
- Originator arGEN-X
- Developer argenx; Medison; ZAI Lab
- Class Anti-inflammatories; Antiarrhythmics; Immunoglobulin Fc fragments; Monoclonal antibodies; Skin disorder therapies; Urologics
- Mechanism of Action Neonatal Fc receptor antagonists
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Orphan Drug Status
Yes - Chronic inflammatory demyelinating polyradiculoneuropathy; Myasthenia gravis; Idiopathic thrombocytopenic purpura
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity Yes
Highest Development Phases
- Marketed Chronic inflammatory demyelinating polyradiculoneuropathy; Myasthenia gravis
- Registered Idiopathic thrombocytopenic purpura
- Phase III Bullous pemphigoid; Graves ophthalmopathy; Myositis; Pemphigus; Sjogren's syndrome
- Phase II Lupus nephritis; Renal transplant rejection
- Preclinical Immune-mediated necrotising myopathy
- Discontinued Anti-neutrophil cytoplasmic antibody-associated vasculitis; Membranous glomerulonephritis; Postural orthostatic tachycardia syndrome
Most Recent Events
- 29 Sep 2025 Argenx plans a phase II/III trial for Idiopathic thrombocytopenic purpura (In adolescents, In children) in an unknown location (IV, Infusion), (NCT07194850)
- 25 Aug 2025 argenx plans to submit supplemental BLA to the US FDA for seeking expansion of the VYVGART label for Myasthenia gravis by end of 2025
- 25 Aug 2025 Efficacy and adverse events data from a phase III ADAPT SERON trial in Myasthenia gravis released by argenx