Status:

ACTIVE_NOT_RECRUITING

Myasthenia Gravis Inebilizumab Trial

Lead Sponsor:

Amgen

Conditions:

Myasthenia Gravis

Eligibility:

All Genders

18+ years

Phase:

PHASE3

Brief Summary

Randomized, double-blind, placebo-controlled, Phase 3, parallel-group study with optional open-label extension.

Detailed Description

This study is a phase 3, randomized, double-blind, placebo-controlled study, to be conducted at approximately 120 study sites. Approximately 230 participants (188 acetylcholine receptor antibody posit...

Eligibility Criteria

Inclusion

  • Diagnosis of MG with anti-AChR or anti-MuSK antibody.
  • MGFA Clinical Classification Class II, III, or IV.
  • MG-ADL score of 6 or greater at screening and at randomization with \> 50% of this score attributed to non-ocular items.
  • QMG score of 11 or greater.
  • Participants must be on:
  • Corticosteroids only, with no dose increase within 4 weeks prior to randomization, or
  • One allowed non-steroidal immunosuppressive therapy (IST), with continuous use for at least 6 months prior to randomization and no dose increase within 4 months prior to randomization, or
  • Combination of (1) corticosteroids with no dose increase within 4 weeks prior to randomization and (2) one allowed non-steroidal IST with continuous use for at least 6 months prior to randomization and no dose increase within 4 months prior to randomization.
  • Allowed ISTs, alone or in combination with corticosteroids, are azathioprine, mycophenolate mofetil, and mycophenolic acid.

Exclusion

  • Receipt of the following medications within the 4 weeks prior to Day 1:
  • Cyclosporine (except eye drops)
  • Tacrolimus (except topical)
  • Methotrexate
  • Current use of:
  • Corticosteroids (Prednisone \> 40 milligram (mg)/day or \> 80 mg over a 2-day period (or equivalent dose of other corticosteroids).
  • Acetylcholinesterase inhibitors (pyridostigmine) \> 480 mg/day) or unstable dose in the 2 weeks prior to Day 1.
  • Azathioprine \> 3 mg/kilogram (kg)/day
  • Mycophenolate mofetil \> 3 grams/day or mycophenolic acid \> 1440 mg/day
  • Any IST, alone or in combination with corticosteroids, except for azathioprine, mycophenolate mofetil, and mycophenolic acid.

Key Trial Info

Start Date :

October 15 2020

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

November 29 2027

Estimated Enrollment :

238 Patients enrolled

Trial Details

Trial ID

NCT04524273

Start Date

October 15 2020

End Date

November 29 2027

Last Update

February 20 2025

Active Locations (104)

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Page 1 of 26 (104 locations)

1

Viela Bio Investigative Site - 1015

Orange, California, United States, 92868

2

Viela Bio Investigative Site - 1002

New Haven, Connecticut, United States, 06519

3

Viela Bio Investigative Center - 1024

Washington D.C., District of Columbia, United States, 20010

4

Viela Bio Investigative Site - 1005

Tampa, Florida, United States, 33612