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Adimanebart · ARGX-119

Monoclonal antibody · Activator of muscle, skeletal receptor tyrosine-protein kinase (MuSK) (MUSK) · developed by argenx

Phase 3 Most advanced trial
ARGX Developer
4 Registered trials

What is Adimanebart?

Adimanebart is a humanized agonistic monoclonal antibody that binds and activates muscle-specific kinase (MuSK), a transmembrane protein on skeletal muscle cells that is central to forming and maintaining the neuromuscular junction. It is being studied in spinal muscular atrophy, congenital myasthenic syndrome, and amyotrophic lateral sclerosis.

Summary written with AI from the sources listed at the end of this page.

At a glance

Also known as
ARGX-119
Drug type
Monoclonal antibody
Targets
muscle, skeletal receptor tyrosine-protein kinase (MuSK) (MUSK)
Mechanism
Activator of muscle, skeletal receptor tyrosine-protein kinase (MuSK) (MUSK)
Pathways
MuSK-mediated signaling, neuromuscular junction formation and maintenance
Therapy area
Neurology
Developer
argenx (ARGX)
FDA status
Investigational, not approved in the US. Most advanced trial: Phase 3
UNII
FJK85PF3WY

🧪 Clinical trials

TrialPhaseConditionStatusSponsor
NCT07746089 Phase 3 Congenital Myasthenic Syndrome Not yet recruiting ARGX
NCT07287982 Phase 2 Spinal Muscular Atrophy (SMA) Recruiting ARGX
NCT06441682 Phase 2 Amyotrophic Lateral Sclerosis Terminated ARGX
NCT07673601 Phase 1 Healthy Volunteers (HV) Recruiting ARGX

Trials of the companies BioRadar tracks, from ClinicalTrials.gov, most advanced phase first.

Conditions studied

CMSCongenital Myasthenic SyndromeHealthy VolunteerHealthy Volunteers (HV)Spinal Muscular Atrophy (SMA)Amyotrophic Lateral Sclerosis

More from argenx

Sources

Updated Oct 11, 2026. Something wrong or missing? Report it on the ARGX page.

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Data: FDA (Drugs@FDA, Purple Book, DailyMed), NIH (NCI Thesaurus, GSRS, RxNorm), ClinicalTrials.gov • Informational purposes only, not medical or investment advice. • All drugs A–Z

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