Status:

ACTIVE_NOT_RECRUITING

A Study to Assess Efficacy and Safety of Efgartigimod PH20 SC in Adults With Ocular Myasthenia Gravis

Lead Sponsor:

argenx

Conditions:

Myasthenia Gravis, Ocular

Eligibility:

All Genders

18+ years

Phase:

PHASE3

Brief Summary

The purpose of this study is to evaluate the efficacy and safety of efgartigimod PH20 SC given by a pre-filled syringe in adult patients with ocular myasthenia gravis. The study consists of a part A (...

Eligibility Criteria

Inclusion

  • Is at least 18 years of age and the local legal age of consent for clinical studies
  • Has been diagnosed with myasthenia gravis and supported by seropositivity for AChR-Ab; or abnormal neuromuscular transmission demonstrated by abnormal neurophysiology testing and history on positive edrophonium chloride testing or demonstrated improvement on MG therapy"
  • Is MGFA Class I (any ocular muscle weakness)
  • Has a screening and baseline MGII (PRO) ocular score of at least 6 with at least 2 ocular items with a score of at least 2

Exclusion

  • Other diseases that lead to eyelid drooping, peripheral muscle weakness, or diplopia
  • Known autoimmune disease or any medical condition other than indication under study that would interfere with an accurate assessment of clinical symptoms of ocular myasthenia gravis or puts the participant at undue risk

Key Trial Info

Start Date :

September 18 2024

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 1 2027

Estimated Enrollment :

141 Patients enrolled

Trial Details

Trial ID

NCT06558279

Start Date

September 18 2024

End Date

December 1 2027

Last Update

December 15 2025

Active Locations (102)

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Page 1 of 26 (102 locations)

1

HonorHealth Neurology - Bob Bové Neuroscience Institute

Scottsdale, Arizona, United States, 85251

2

Loma Linda University Health

Loma Linda, California, United States, 92354

3

USC Roski Eye Institute - Los Angeles

Los Angeles, California, United States, 90033

4

University of California San Francisco

San Francisco, California, United States, 94143