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Adimanebart

Phase 3

Congenital Myasthenic Syndrome | Monoclonal antibody | Neurology |argenx SE|Trials Updated: Aug 4, 2026

Adimanebart target and mechanism

ModalityMonoclonal antibody

Also known as Adimanebart IV, Adimanebart SC - formulation B, Adimanebart- formulation B, Adimanebart SC - formulation C, Adimanebart- formulation C

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment105

FDA Designations

No designations recorded

Adimanebart clinical trials

Adimanebart · 1 trial · 2 indications

Phase 3 1
NCT07746089A Study to Assess Efficacy and Safety of Adimanebart in Adult and Pediatric Participants With DOK7-,MUSK-, AGRN-, or LRP4- Congenital Myasthenic Syndromes (CMS)Congenital Myasthenic Syndrome
NOT YET_RECRUITING105 Analytics
PHASE3NOT YET_RECRUITING
A Study to Assess Efficacy and Safety of Adimanebart in Adult and Pediatric Participants With DOK7-,MUSK-, AGRN-, or LRP4- Congenital Myasthenic Syndromes (CMS)
Congenital Myasthenic SyndromeUnlock trial analytics

Study Endpoints

Primary Endpoints

Change from baseline at week 24 in 6MWT distance
Up to 24 weeks

The 6-minute walk test (6MWT) measures the distance a participant walks in 6 minutes.

Incidence of AEs and SAEs
up to 104 weeks

AE: adverse event; SAE: serious adverse event

Secondary Endpoints

Change from baseline in 6MWT distance over time
up to 24 weeks (DBTP) + up to 104 weeks (OLE)
Change from baseline in PROMIS PF-10b T-score over time
up to 24 weeks (DBTP) + up to 104 weeks (OLE)
Change from baseline in QMG key component composite score over time
up to 24 weeks (DBTP) + up to 104 weeks (OLE)
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Double-blinded treatment period (DBTP) - Adimanebart IVEXPERIMENTALParticipants randomized to receive Adimanebart IV
Double-blinded treatment period (DBTP) - Placebo IVPLACEBO_COMPARATORParticipants randomized to receive Placebo IV
Open-label extension (OLE) - Adimanebart IVEXPERIMENTALParticipants receive Adimanebart IV

Interventions

NameTypeDescription
Adimanebart IVBIOLOGICALIntravenous infusion of Adimanebart
Placebo IVOTHERIntravenous infusion of Placebo
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Eligibility Criteria

Age Range12 Years to N/A
SexALL
Healthy VolunteersNo

Inclusion Criteria: DBTP: * At least 12 years of age. * Has a diagnosis of DOK7-, MUSK-, AGRN-, or LRP4-CMS with documented mutations. * Participants taking oral beta agonists (eg, albuterol, salbutamol, ephedrine) or other CMS medication must have been receiving the medication for at least 6 mont...

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Recent Changes (Last 90 Days)

LOWAug 4, 2026NCT07746089NEW_TRIAL: changed
LOWAug 4, 2026NCT07746089NEW_TRIAL: changed

Frequently asked questions about Adimanebart

What is Adimanebart?

Adimanebart is an investigational monoclonal antibody developed by argenx SE for the treatment of Congenital Myasthenic Syndrome, a group of inherited neuromuscular junction disorders. It is currently in Phase 3 clinical development and has not been approved by the FDA. It is being studied in both adult and pediatric patients.

What is Adimanebart used for in Congenital Myasthenic Syndrome?

Adimanebart is being developed to treat Congenital Myasthenic Syndrome, specifically in patients with DOK7-, MUSK-, AGRN-, or LRP4-related forms of the condition. It is an investigational therapy in Phase 3 testing and is not yet approved for any indication. The Phase 3 study enrolls participants aged 12 years and older.

Who makes Adimanebart?

Adimanebart is developed by argenx SE, a biotechnology company that trades under the ticker ARGX. Argenx is the sponsor of the Phase 3 clinical program evaluating the monoclonal antibody in Congenital Myasthenic Syndrome. The company is responsible for the ongoing development of the asset.

What phase is Adimanebart in?

Adimanebart is in Phase 3 clinical development. It is an investigational monoclonal antibody and has not been approved by the FDA for any indication. The Phase 3 trial is currently listed as not yet recruiting, with a planned enrollment of 105 participants.

What clinical trials is Adimanebart in?

Adimanebart is being evaluated in one Phase 3 clinical trial, NCT07746089, titled a study to assess efficacy and safety of Adimanebart in adult and pediatric participants with DOK7-, MUSK-, AGRN-, or LRP4- Congenital Myasthenic Syndromes. The trial is randomized, double-blind, and placebo-controlled, with a planned enrollment of 105 participants aged 12 years and older.

Is Adimanebart the same as Adimanebart IV or Adimanebart SC?

Adimanebart is also known by several alternative names, including Adimanebart IV and Adimanebart SC formulations A, B, and C, which are also written as Adimanebart- formulation A, B, and C. These names refer to the same monoclonal antibody asset developed by argenx SE for Congenital Myasthenic Syndrome.