Status:

RECRUITING

A Study to Evaluate the Clinical Outcomes of Efgartigimod PH20 SC in Adults With New-onset Generalized Myasthenia Gravis (gMG)

Lead Sponsor:

argenx

Conditions:

New Onset Generalized Myasthenia Gravis (gMG)

Eligibility:

All Genders

18+ years

Phase:

PHASE4

Brief Summary

The main purpose of this study is to measure how well adults with new-onset gMG (which means they've had generalized disease signs and/or symptoms for less than 1 year) respond to treatment with efgar...

Eligibility Criteria

Inclusion

  • Is at least 18 years when signing the ICF
  • Has been diagnosed with gMG of MGFA class II, III, or IV
  • Is seropositive for AChR-Ab
  • Is treatment-naive for gMG or has been administered AChEI for the treatment of gMG
  • Had onset of generalized MG signs and/or symptoms within 12 months before screening; candidates who also had onset of ocular MG signs and/or symptoms within 24 months before screening may be enrolled in the study
  • Has an MG-ADL score ≥5

Exclusion

  • gMG diagnosis of MGFA class I or V
  • Underwent a thymectomy prior to screening, except thymectomy for treatment of nonmalignant thymoma prior to the gMG diagnosis
  • Prior or current use of any of any systemic corticosteroid therapy or nonsteroidal immunosuppressive therapy for the treatment of gMG

Key Trial Info

Start Date :

April 17 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

May 1 2027

Estimated Enrollment :

30 Patients enrolled

Trial Details

Trial ID

NCT06909214

Start Date

April 17 2025

End Date

May 1 2027

Last Update

January 8 2026

Active Locations (17)

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Page 1 of 5 (17 locations)

1

University of California, San Diego - Altman Clinical and Translational Research Institute (ACTRI)

La Jolla, California, United States, 92037

2

Samir Macwan, M.D., Inc. (S corporation)

Rancho Mirage, California, United States, 92270

3

EZR Research

Boca Raton, Florida, United States, 33486

4

University of Florida Jacksonville

Jacksonville, Florida, United States, 32209