Drugs / ARGX-119
last change Aug 2026 re-read 3 minutes ago

ARGX-119

Monoclonal antibody targets MUSK via activation

Developed for
amyotrophic lateral sclerosis · congenital myasthenic syndrome · spinal muscular atrophy
Investigated by
argenx

Trials 5

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 13 trials
Phase 1 NCT07673601 Jun → Dec 2026 expected — argenx Recruiting No outcome recorded
Phase 1 NCT06436742 Sep 2024 → Aug 2027 expected congenital myasthenic syndrome argenx Recruiting No outcome recorded
Phase 1 NCT05670704 Feb 2023 → Aug 2024 — argenx Completed No outcome recorded
Phase 22 trials
Phase 2 NCT07287982 Dec 2025 → May 2029 expected spinal muscular atrophy argenx Recruiting No outcome recorded
Phase 2 NCT06441682 Oct 2024 → Aug 2026 overdue amyotrophic lateral sclerosis argenx Active not recruiting No outcome recorded

News releases announcing trial results or a regulatory action · 3

DateIssuerRelease
2026-03-06 argenx Results argenx to Present New Data at 2026 AAN Annual Meeting that Continue to Transform Patient Outcomes in MG and CIDP and Build Upon Strength of Pipeline argenx.com ↗
Additional results from the ARGX-119 Phase 1b trial evaluating adimanebart in patients with DOK7 congenital myasthenic syndromes (CMS) will also be shared, providing proof-of-concept support based on a favorable safety profile and consistent functional improvements across multiple efficacy measures.
2025-06-30 argenx Results argenx Advances Clinical Development of ARGX-119 in Congenital Myasthenic Syndromes argenx.com ↗
ARGX-119 is the sixth molecule developed through our Immunology Innovation Program to show proof-of-concept, reflecting the strength of our innovation model where our deep knowledge of the biology and expertise in antibody engineering come together to push the boundaries of what’s possible.
2025-04-08 argenx Results argenx Highlights VYVGART Data at AAN 2025 Setting New Standard in Sustained Efficacy and Improved Quality of Life Measures for Patients Living with gMG and CIDP argenx.com ↗
In addition, first-in-human data were presented for the company’s third clinical candidate, ARGX-119 (MuSK agonist), which is being evaluated in disorders of the neuromuscular junction (NMJ), including congenital myasthenic syndromes (CMS).

Evidence & citations 8 cited values

Every value below carries the sentence it was read from. 6 sources stand behind the page.

FieldValueCited text
Known as ARGX-119 ClinicalTrials.gov intervention name — accepted as the source's own label NCT06441682 ↗
3

NCT07287982 ↗

NCT05670704 ↗

NCT06436742 ↗

Known as 3b2g2m1-hlgg1 laladelk ChEMBL registry synonym — accepted as the source's own label CHEMBL6068571 ↗
Known as Adimanebart ClinicalTrials.gov intervention name — accepted as the source's own label NCT07673601 ↗
Action Activate “Activation of muscle-specific kinase (MuSK) by ARGX-119 may stabilize and improve NMJ function” NCT07287982 ↗
Modality Monoclonal antibody — CHEMBL6068571 ↗
Route Intravenous “ARGX-119 IV or SC” NCT05670704 ↗
Route Subcutaneous “ARGX-119 IV or SC” NCT05670704 ↗
Target MUSK “Activation of muscle-specific kinase (MuSK) by ARGX-119 may stabilize and improve NMJ function” NCT07287982 ↗