Under construction – not a live service
Sign in
Taking people in GermanyPhase 2

Tests empasiprubart added to efgartigimod in generalized myasthenia gravis

Tests empasiprubart added to efgartigimod in adults with generalized myasthenia gravis.

Plain-language title generated from the registry record
Registry title: ADAPT Forward 1 - ISA1 - a Study to Evaluate Empasiprubart IV as add-on Therapy to Efgartigimod IV in Participants With AChR-Ab Seropositive Generalized Myasthenia Gravis With a Partial Clinical Response to Efgartigimod

Key facts

Where
Altenburg, Berlin, Goettingen, and Wuerzburg, GermanySee the 4 sites
Phase
Phase 2

Where in Germany

  • Klinikum Altenburger Land GmbHAltenburg, GermanyTaking people
  • Charite Universitaetsmedizin Berlin KöRBerlin, GermanyTaking people
  • Universitaetsmedizin GoettingenGoettingen, GermanyTaking people
  • Universitaetsklinikum Wuerzburg AöRWuerzburg, GermanyTaking people

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?
Print a page for my doctor

Trial details

Who runs it
argenx
Trial code
NCT07284420EU 2025-522492-28-00
Record updated
24 September 2026
Original description
This study is part of the ADAPT Forward platform study (NCT07294170). ADAPT Forward is a platform study with the aim to look at how safe different drugs are and how well they work for people with myasthenia gravis. The goal is to find the best therapeutic approach to reduce patients' side effects and improve their quality of life.Read full original descriptionShow less

An ISA to Master Protocol ARGX-999-2-MG-2000 for an Exploratory, Phase 2a, Proof-of-Concept Study to Evaluate the Safety, Tolerability, and Efficacy of Empasiprubart IV as Add-On Therapy to Efgartigimod IV in Participants With AChR-Ab Seropositive Generalized Myasthenia Gravis With a Partial Clinical Response to Efgartigimod

This study is part of the ADAPT Forward platform study (NCT07294170). ADAPT Forward is a platform study with the aim to look at how safe different drugs are and how well they work for people with myasthenia gravis. The goal is to find the best therapeutic approach to reduce patients' side effects and improve their quality of life.

The aim of this ISA1 is to evaluate the safety and therapeutic relevance of empasiprubart as add-on therapy to efgartigimod in participants with AChR-Ab seropositive generalized myasthenia gravis.

The ADAPT Forward master protocol is registered on https://clinicaltrials.gov/study/NCT07294170

More information can be found here: https://clinicaltrials.argenx.com/adaptforward1

Inclusion: Is seropositive for anti-acetylcholine receptor antibodies (AChR-Ab); Has confirmed diagnosis of gMG and is Myasthenia Gravis Foundation of America (MGFA) Class II, III, IVa, or IVb; Has documented immunization against encapsulated bacterial pathogens (Neisseria meningitidis and Streptococcus pneumoniae) within 5 years of ISA screening or is willing to receive immunization at least 14 days before the first study drug administration.

Exclusion: Current administration of a complement inhibitor or received zilucoplan or eculizumab <2 months or ravulizumab <6 months before the first study drug administration; Clinical diagnosis of systemic lupus erythematosus (SLE); Any known complement deficiency; Patients proven to be refractory to efgartigimod (ie, not achieving a clinically meaningful improvement in total Myasthenia Gravis Activities of Daily Living (MG-ADL) score defined as an improvement of ≥2 points).

ClinicalTrials.gov NCT07284420 · EU CTIS 2025-522492-28-00