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ARGX-117

Phase 3

Delayed Graft Function | Monoclonal antibody | Nephrology |argenx SE|Trials Updated: Oct 14, 2026

ARGX-117 development status

Highest phase Phase 3 (NCT07091630)
Phase scored for ARGXPhase 2
Registered trials 13 across 1 sponsor since Aug 2020

ARGX-117 target and mechanism

Molecular targetC2
Target classComplement Protein
ModalityMonoclonal antibody

Also known as Empasiprubart IV

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials3
Total Enrollment208

FDA Designations

No designations recorded

ARGX-117 clinical trials

ARGX-117 · 3 trials · 3 indications

Phase 2 3
NCT05907096ARGX-117 in Deceased Donor Kidney Transplant Recipients at Risk for Delayed Graft FunctionDelayed Graft Function
ACTIVE NOT_RECRUITING103 Analytics
NCT05405361A Clinical Trial to Investigate the Long-term Safety and Tolerability, Efficacy, Pharmacodynamics, Pharmacokinetics, and Immunogenicity of ARGX-117 in Adults With Multifocal Motor NeuropathyMultifocal Motor Neuropathy (MMN)
ACTIVE NOT_RECRUITING51 Analytics
NCT05225675A Clinical Trial to Investigate the Safety and Tolerability, Efficacy, Pharmacokinetics, Pharmacodynamics and Immunogenicity of 2 Dose Regimens of ARGX-117 in Adults With Multifocal Motor NeuropathyMultifocal Motor Neuropathy
COMPLETED54 Analytics
PHASE2ACTIVE NOT_RECRUITING
ARGX-117 in Deceased Donor Kidney Transplant Recipients at Risk for Delayed Graft Function
Delayed Graft FunctionUnlock trial analytics
PHASE2ACTIVE NOT_RECRUITING
A Clinical Trial to Investigate the Long-term Safety and Tolerability, Efficacy, Pharmacodynamics, Pharmacokinetics, and Immunogenicity of ARGX-117 in Adults With Multifocal Motor Neuropathy
Multifocal Motor Neuropathy (MMN)Unlock trial analytics
PHASE2COMPLETED
A Clinical Trial to Investigate the Safety and Tolerability, Efficacy, Pharmacokinetics, Pharmacodynamics and Immunogenicity of 2 Dose Regimens of ARGX-117 in Adults With Multifocal Motor Neuropathy
Multifocal Motor NeuropathyUnlock trial analytics

Study Endpoints

Primary Endpoints

eGFR at 24 weeks posttransplant
Up to 24 weeks

Estimated glomerular filtration rate

Safety outcomes based on adverse event (AE) monitoring.
Until marketing authorization of ARGX-117, assessed up to 70 months or treatment discontinuation, whichever comes first
Number of Participants With AEs and SAEs
Up to 80 weeks

AE : Adverse Events, SAE: Serious Adverse Events

Secondary Endpoints

Proportion of participants with Delayed Graft Function (DGF)
Up to 52 weeks
Proportion of participants with fDGF
Up to 52 weeks
Duration of dialysis treatment for DGF within the first 30 days posttransplant
up to 30 days
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
ARGX-117EXPERIMENTALPatients receiving ARGX-117 intravenous infusions
PlaceboPLACEBO_COMPARATORPatients receiving placebo intravenous infusions

Interventions

NameTypeDescription
ARGX-117BIOLOGICALIntravenous administration of ARGX-117
PlaceboOTHERIntravenous administration of placebo
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Eligibility Criteria

Age Range18 Years to 70 Years
SexALL
Healthy VolunteersNo
Study Sites45

Inclusion Criteria: * Is at least the local legal age of consent for clinical studies and at least aged 18 years and less than 70 years * Agree to use contraceptive measures consistent with local regulations * Are diagnosed with ESRD and have been stable on chronic dialysis for at least 3 months * ...

Countries:United StatesAustraliaAustriaBelgiumBrazilCanadaFranceItalyPortugalSpainSwedenGermanyNetherlandsPolandUnited Kingdom
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Recent Changes (Last 90 Days)

LOWOct 14, 2026NCT05907096lastUpdatePostDate: changed
LOWOct 14, 2026NCT05907096lastUpdatePostDate: changed
MEDIUMSep 25, 2026NCT05907096Completion: 2026-07-31 → 2030-05
MEDIUMSep 25, 2026NCT05907096Completion: 2026-07-31 → 2030-05

Frequently asked questions about ARGX-117

What is ARGX-117 used for?

ARGX-117 is an investigational monoclonal antibody being studied for delayed graft function in deceased donor kidney transplant recipients and for multifocal motor neuropathy. Both programs are in Phase 2 clinical development. It is not approved for any indication.

What does ARGX-117 target?

ARGX-117 targets C2, a complement protein. By binding C2, the antibody is designed to modulate the classical and lectin pathways of the complement system, which are implicated in the conditions being studied.

Who is developing ARGX-117?

ARGX-117 is being developed by argenx SE, which trades on Nasdaq under the ticker ARGX. The company is running the Phase 2 clinical programs for the drug in delayed graft function and multifocal motor neuropathy.

What phase is ARGX-117 in?

ARGX-117 is in Phase 2 clinical development. It is investigational and has not been approved by the FDA or any other regulatory agency. Two Phase 2 trials are active and not recruiting, and one Phase 2 trial has been completed.

What clinical trials is ARGX-117 in?

ARGX-117 has been studied in three Phase 2 trials. NCT05907096 evaluates it in deceased donor kidney transplant recipients at risk for delayed graft function. NCT05405361 and NCT05225675 evaluate it in adults with multifocal motor neuropathy, with NCT05225675 completed.

How many patients have been enrolled in ARGX-117 trials?

Across the three Phase 2 trials, 208 participants have been enrolled: 103 in the delayed graft function study NCT05907096, 51 in the multifocal motor neuropathy study NCT05405361, and 54 in the completed multifocal motor neuropathy study NCT05225675.