Evidence map›Paper›PMID 40105996›Full record

Trial reportJournal of neurology2025

Safety and efficacy of chronic weekly rozanolixizumab in generalized myasthenia gravis: the randomized open-label extension MG0004 study.

Vera Bril, Artur Drużdż, Julian Grosskreutz, Ali A Habib, Henry J Kaminski, Renato Mantegazza, Sabrina Sacconi, Kimiaki Utsugisawa, Tuan Vu, Marion Boehnlein and 5 more

3 registry-linked trialsAbstract readRandomized Controlled TrialMulticenter StudyClinical Trial, Phase III
In one paragraph

Trial report in Journal of neurology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 3 registered trials, which are not on this map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT03971422 phase3completednot on this map

A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study Evaluating Efficacy and Safety of Rozanolixizumab in Adult Patients With Generalized Myasthenia Gravis

TypeinterventionalSponsorUCB Biopharma SRLRan2019 to 2021Enrolled200ConditionsGeneralized Myasthenia GravisArmsRozanolixizumab, Placebo
NCT04124965 phase3completednot on this map

A Randomized, Open-Label Extension Study to Investigate the Long-Term Safety, Tolerability, and Efficacy of Rozanolixizumab in Adult Patients With Generalized Myasthenia Gravis

TypeinterventionalSponsorUCB Biopharma SRLRan2019 to 2021Enrolled71ConditionsGeneralized Myasthenia GravisArmsRozanolixizumab
NCT04650854 phase3completednot on this map

An Open-Label Extension Study to Evaluate Rozanolixizumab in Study Participants With Generalized Myasthenia Gravis

TypeinterventionalSponsorUCB Biopharma SRLRan2021 to 2024Enrolled165ConditionsGeneralized Myasthenia GravisArmsRozanolixizumab
3 · Its place in the literature

Who cites it

8 citing papers in PubMed.

  1. Trial
  2. Article
  3. Review
  4. Review
  5. Italian recommendations for the diagnosis and treatment of myasthenia gravis.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2026
    Article
  6. Review
  7. Article
  8. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

15 authors.

Vera BrilEllen and Martin Prosserman Centre for Neuromuscular Diseases, Toronto General Hospital, University of Toronto, Toronto, Ontario, Canada. vera.bril@utoronto.ca.ORCID http://orcid.org/0000-0002-5805-4883
Artur DrużdżDepartment of Neurology, Municipal Hospital, Poznań, Poland.
Julian GrosskreutzPrecision Neurology of Neuromuscular Diseases, Department of Neurology, University of Lübeck, Lübeck, Germany.
Ali A HabibMDA ALS and Neuromuscular Center, Department of Neurology, University of California, Irvine, Orange, CA, USA.
Henry J KaminskiDepartment of Neurology and Rehabilitation Medicine, George Washington University, Washington, DC, USA.
Renato MantegazzaDepartment of Neuroimmunology and Neuromuscular Diseases, Fondazione IRCCS, Istituto Nazionale Neurologico Carlo Besta, Milan, Italy.
Sabrina SacconiUniversité Côte d'Azur, Peripheral Nervous System and Muscle Department, Pasteur 2 Hospital, Centre Hospitalier Universitaire de Nice, Nice, France.
Kimiaki UtsugisawaDepartment of Neurology, Hanamaki General Hospital, Hanamaki, Japan.
Tuan VuDepartment of Neurology, University of South Florida Morsani College of Medicine, Tampa, FL, USA.
Marion BoehnleinUCB, Monheim, Germany.
Maryam GayfievaUCB, Slough, UK.
Bernhard GreveUCB, Monheim, Germany.
Franz WolteringUCB, Monheim, Germany.
John VissingCopenhagen Neuromuscular Center, Department of Neurology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.
MG0004 study investigators

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIn the Phase 3 MycarinG study (NCT03971422), six once-weekly subcutaneous infusions of rozanolixizumab significantly improved myasthenia gravis (MG)-specific outcomes versus placebo in patients with acetylcholine receptor or muscle-specific tyrosine kinase autoantibody-positive generalized MG (gMG). Following completion of MycarinG, patients could enroll in the open-label extension MG0004 study (NCT04124965) to receive chronic weekly rozanolixizumab.

methodsPatients were re-randomized 1:1 to once-weekly rozanolixizumab 7 or 10 mg/kg for up to 52 infusions. The primary endpoints were the occurrence of treatment-emergent adverse events (TEAEs) and TEAEs leading to rozanolixizumab discontinuation. After ≥6 visits/infusions patients could switch to the MG0007 study (NCT04650854) to receive cyclic rozanolixizumab treatment.

resultsIn MG0004, 70 patients received rozanolixizumab 7 mg/kg (n = 35) or 10 mg/kg (n = 35). Mean treatment duration was 22.9 and 23.7 weeks, respectively, due to rollover into MG0007. TEAEs were reported in 60/70 (85.7%) patients; most were mild/moderate. The most frequently reported TEAEs were headache (25/70 [35.7%]), diarrhea (13/70 [18.6%]) and decreased blood immunoglobulin G (11/70 [15.7%]). There were no opportunistic, serious or severe infections, serious or severe hypersensitivity or injection-site reactions, any anaphylactic reactions or albumin or lipid abnormalities. Maximum mean reduction from baseline in MG Activities of Daily Living score was 3.1 in the 7 mg/kg group and 4.1 in the 10 mg/kg group.

conclusionChronic weekly rozanolixizumab for up to 52 infusions was generally well tolerated, and clinically relevant improvements across MG-specific outcomes were maintained, supporting the long-term use of rozanolixizumab in patients with gMG.

trial registrationNCT04124965 (registered October 11, 2019).

Indexed as

Antibodies, Monoclonal, HumanizedMyasthenia GravisAdultAgedDrug Administration ScheduleFemaleHumansMaleMiddle AgedTreatment OutcomeYoung AdultAntibodies, Monoclonal, HumanizedFcRn inhibitorMyasthenia gravisPhase 3 clinical trialRozanolixizumab

Identifiers

PMID40105996
PMCPMC11923026

What OpenQuestion holds

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.