CI

At a glance

ClinicalIndex Comparison Record
Phase 3Recruiting· 199 target
Drug / intervention
Nipocalimab +2 moredrug
Likely dose
Nipocalimab administered as IV infusion or subcutaneously; specific dose not stated in criteria or armsAI-extracted
Key inclusion· 5
  • Diagnosis of generalized myasthenia gravis (gMG) meeting MGFA Clinical Classification Class II a/b, III a/b, or IVa/b at screening
  • MG-ADL score ≥6 at screening and baseline
  • Sufficient venous access for IV infusion and blood sampling
  • For SC substudy: reasonable abdominal skin area for subcutaneous administration
Key exclusion· 9
  • Immunodeficiency syndrome not related to gMG treatment, or family history of congenital/hereditary immunodeficiency (unless confirmed absent)
  • MGFA Class I disease, MG crisis (Class V), or fixed/burnt-out MG
  • History of MG crisis within 1 month of screening
  • Thymectomy within 12 months prior to screening or planned during study

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04951622
NCT04951622Phase 3RecruitingUpdate OverdueUpdated 3mo ago · Completion was 31mo ago
Enrollment Stalled
Long Recruiting
Update Overdue

Phase 3, Multicenter, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of Nipocalimab Administered to Adults With Generalized Myasthenia Gravis

Janssen Research & Development, LLC·interventional·Posted Jul 7, 2021·Updated Mar 3, 2026

In Brief

A Phase 3 clinical trial evaluating Nipocalimab, Placebo, and 1 other intervention for Myasthenia Gravis. Currently recruiting, targeting 199 participants across 112 sites in 17 countries.

Signals

Enrollment appears stalled

Detailed Summary

The purpose of this study is to evaluate the efficacy and safety of nipocalimab compared to placebo in participants with generalized myasthenia gravis (gMG). The purpose of the subcutaneous substudy is to evaluate how well it works in the body (pharmacodynamic \[PD\]) when given as an injection under the skin (subcutaneous) compared to when given through a vein (intravenous) in participants with gMG.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesAustralia, Belgium, Canada, China, Czechia, Denmark, France, Germany, Italy, Japan, Mexico, Poland, South Korea, Spain, Sweden, Taiwan, United States
Collaborators--

Timeline

Phase 3Recruiting
20222023202420252026202720282029
First PostedJul 7, 2021
Enrollment StartJul 15, 2021
Primary CompletionNov 17, 2023
Study CompletionMar 30, 2029
TodayJul 2, 2026
Enrollment to primary: 2.3 yearsPosted 5.0 years ago

Interventions

Nipocalimabdrug

Nipocalimab will be administered as an IV infusion.

Placebodrug

Matching placebo will be administered as an IV infusion.

Nipocalimab SC-LIVdrug

Nipocalimab will be administered subcutaneously.