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Argenx Se (ARGX) Drug Pipeline

Drug pipeline
Drug NameConditionStageStatusStudy NameTrial Start DateArticle
Intravenous Immunoglobulin, Empasiprubart IvGuillain-Barré Syndrome (Gbs)Phase IINot Yet RecruitingA Study of Empasiprubart as Add-On Therapy to IVIg in Adult Participants With Guillain-Barré SyndromeSep 10, 2026
Efgartigimod Ph20 Sc Via Pfs, Efgartigimod Ph20 Sc Via AiHealthy Adult Participants, Healthy VolunteerPhase ICompletedA Study to Assess the Bioequivalence of Efgartigimod PH20 SC Between Autoinjector and Prefilled Syringe in Healthy Adult ParticipantsAug 20, 2026―
Argx-121Immunoglobulin A Nephropathy (Igan)Phase IINot Yet RecruitingA Study to Evaluate the Effect of ARGX-121 on the Change in Proteinuria in Adult Participants With IgANAug 14, 2026
Empasiprubart Iv, Efgartigimod Ph20 Sc PfsGmg, Mg - Myasthenia Gravis, Achr-Ab Seropositive Generalized Myasthenia Gravis, Myasthenia Gravis (Mg)Phase IIRecruitingADAPT Forward 2 - ISA2 - a Study to Evaluate the Safety, Tolerability and Efficacy of Empasiprubart IV Monotherapy in Participants With AChR-Ab Seropositive Generalized Myasthenia GravisJun 23, 2026
Empasiprubart IvMultifocal Motor Neuropathy (Mmn)Phase IRecruitingA Study to Assess the Effect of Empasiprubart on Nerve Morphology by Ultrasound in Adults With Multifocal Motor NeuropathyMay 20, 2026
Efgartigimod Ph20 ScGraves DiseasePhase IIIRecruitingA Study to Assess Efficacy and Safety of Efgartigimod PH20 SC PFS in Adult Participants With Graves' Disease.May 13, 2026
Efgartigimod Ph20 ScAutoimmune Encephalitis (Ae)Phase IINot Yet RecruitingA Study to Learn About How Well the Medicine Efgartigimod Works to Treat Autoimmune Encephalitis In Children 12 Years or Older and AdultsMay 07, 2026
Efgartigimod Ph20 ScGraves Disease, Graves' DiseasePhase IIIRecruitingA Study to Assess Efficacy and Safety of Efgartigimod PH20 SC PFS in Adult Participants With Graves' DiseaseApr 30, 2026
Argx-124Healthy VolunteersPhase IRecruitingA Study to Assess the Safety of ARGX-124 in Healthy VolunteersJan 22, 2026
Argx-119 IvSpinal Muscular Atrophy (Sma)Phase IIRecruitingA Study to Assess the Safety, Tolerability, Efficacy, Pharmacokinetics, and Immunogenicity of Intravenous Administration of ARGX-119 in Pediatric Participants Aged 5 to Less Than 18 Years With Spinal Muscular AtrophyDec 15, 2025

FAQ

What are the FDA phases for drug approval?
The FDA approval process for new drugs is divided into several phases: a. Preclinical testing b. Phase 1 – Safety and dosage c. Phase 2 – Effectiveness and side effects d. Phase 3 – Confirmation of effectiveness, monitoring of adverse reactions, and comparison with existing treatments e. Phase 4 – Post-marketing studies to track long-term safety and effectiveness
What is a clinical trial?
A clinical trial is a carefully designed study in which researchers test a drug, treatment, or medical device in people to evaluate its safety, effectiveness, and potential side effects. These trials are essential for determining whether a new treatment should be approved for widespread use.
What drugs does Argenx (ARGX) have in its pipeline
Argenx Se ARGX is currently developing the following drugs: Intravenous Immunoglobulin, Empasiprubart Iv, Efgartigimod Ph20 Sc Via Pfs, Efgartigimod Ph20 Sc Via Ai, Argx-121, Empasiprubart Iv, Efgartigimod Ph20 Sc Pfs, Empasiprubart Iv, Efgartigimod Ph20 Sc, Argx-124, Argx-119 Iv, Efgartigimod Iv, Empasiprubart Iv, Efgartigimod Iv, Argx-213, Ivig, Empasiprubart, Argx-109, Empasiprubart, Ivig, Efgartigimod Ph20 Sc - Prefilled Syringe, Argx-119, Efgartigimod, Efg Ph20 Sc, Argx-117, Efgartigimod Ph20 Sc As A Prefilled Syringe Presentation, Efgartigimod Ph20 Sc As A Vial + Syringe Presentation. These drug candidates are in various stages of clinical development as the company works toward FDA approval.