🏛️ Verified NIH Record • Updated 2026-05-01

Myasthenia Gravis Inebilizumab Trial (NCT04524273)

A Randomized, Double-blind, Multicenter, Placebo-controlled Phase 3 Study With Open-label Period to Evaluate the Efficacy and Safety of Inebilizumab in Adults With Myasthenia Gravis

🔵 Active, Not Recruiting Phase3 💊 Investigational Drug / Biologic Sponsor: Amgen

🩺 Plain-English Summary (8th-Grade Level)

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

Who can join: To join this study, participants generally need to meet the listed inclusion criteria (8 items) and avoid the listed exclusions (11 items).

Location: Viela Bio Investigative Site - 1015 — Orange, California

Age range: 18 Years

🧪 Interventions in This Study

📋 "Do I Qualify?" — 1-Minute Self Screener

Instant Checklist

Check every box below. If you can check all of them, you may meet the study's basic screening requirements (final eligibility is confirmed by the site team).

Usually NOT eligible if any of the following apply:

  • Exclusion Criteria:
  • 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.

🔍 Extracted verbatim from the official NIH eligibility criteria. Always confirm with the study coordinator.

📍 All Participating Trial Locations (104 Sites)

Showing the first 25 of 104 sites.

  • Viela Bio Investigative Site - 1015 — Orange, California
  • Viela Bio Investigative Site - 1002 — New Haven, Connecticut
  • Viela Bio Investigative Center - 1024 — Washington D.C., District of Columbia
  • Viela Bio Investigative Site - 1005 — Tampa, Florida
  • Viela Bio Investigative Site - 1012 — Kansas City, Kansas
  • Viela Bio Investigative Site - 1018 — Charlotte, North Carolina
  • Viela Bio Investigative Site - 1025 — Canton, Ohio
  • Viela Bio Investigative Site - 1001 — Cincinnati, Ohio
  • Viela Bio Investigative Site - 1009 — Columbus, Ohio
  • Viela Bio Investigative Site - 1008 — Pittsburgh, Pennsylvania
  • Viela Bio Investigative Site - 1019 — Austin, Texas
  • Viela Bio Investigative Site - 1003 — Houston, Texas
  • Viela Bio Investigative Site - 1014 — San Antonio, Texas
  • Viela Bio Investigative Site - 1017 — Salt Lake City, Utah
  • Viela Bio Investigative Site - 1004 — Burlington, Vermont
  • Viela Bio Investigative Site - 1006 — Richmond, Virginia
  • Viela Bio Investigative Site - 2001 — Buenos Aires,
  • VielaBio Investigative Site - 2002 — Buenos Aires,
  • Viela Bio Investigative Site - 2003 — Buenos Aires,
  • Viela Bio Investigative Site - 5203 — Grodno,
  • Viela Bio Investigative Site - 5204 — Minsk,
  • Viela Bio Investigative Site - 5201 — Vitebsk,
  • VielaBio Investigative Site - 2201 — Porto Alegre,
  • VielaBio Investigative Site - 2203 — Porto Alegre,
  • VielaBio Investigative Site - 2207 — Ribeirão Preto,

💰 Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Review the official NIH record below to find the coordinating site.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
🏛️ View Official NIH Record ↗