A Study to Evaluate Rozanolixizumab in Study Participants With Generalized Myasthenia Gravis

NCT ID: NCT04650854

Last Updated: 2025-04-18

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

View full results

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

165 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-02-03

Study Completion Date

2024-01-25

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

The purpose of this study is to assess the safety, tolerability and efficacy of additional 6-week treatment cycles with rozanolixizumab in study participants with generalized myasthenia gravis (gMG).

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Generalized Myasthenia Gravis

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Rozanolixizumab dosage regimen 1

Study participants randomized/assigned to dosage regimen 1 will receive assigned dosage of rozanolixizumab for the initial cycle. The dose regimen may be switched before the start of each subsequent treatment cycle based on investigator discretion.

Group Type EXPERIMENTAL

Rozanolixizumab

Intervention Type DRUG

Rozanolixizumab will be administered by subcutaneous infusion in dosage regimen 1 or 2.

Rozanolixizumab dosage regimen 2

Study participants randomized/assigned to dosage regimen 2 will receive assigned dosage of rozanolixizumab for the initial cycle. The dose regimen may be switched before the start of each subsequent treatment cycle based on investigator discretion.

Group Type EXPERIMENTAL

Rozanolixizumab

Intervention Type DRUG

Rozanolixizumab will be administered by subcutaneous infusion in dosage regimen 1 or 2.

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

Rozanolixizumab

Rozanolixizumab will be administered by subcutaneous infusion in dosage regimen 1 or 2.

Intervention Type DRUG

Other Intervention Names

Discover alternative or legacy names that may be used to describe the listed interventions across different sources.

UCB7665

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Study participant must meet one of the following:

1. completed MG0003 \[NCT03971422\]
2. required rescue therapy during the Observation Period in MG0003 or
3. completed at least 6 visits in MG0004 \[NCT04124965\]
* Body weight ≥35 kg at Baseline (Day 1)
* Study participants may be male or female

Exclusion Criteria

* Study participant has a known hypersensitivity to any components of the study medication or other anti-neonatal Fc receptor (FcRn) medications
* Study participant with a known tuberculosis (TB) infection, at high risk of acquiring TB infection, or latent tuberculosis infection (LTBI), or current/history of nontuberculous mycobacterial infection (NTMBI)
* Study participant met any mandatory withdrawal or mandatory study drug discontinuation criteria in MG0003, or MG0004, or permanently discontinued study drug in either study
* Study participant intends to have a live vaccination during the course of the study or within 8 weeks following the final dose of rozanolixizumab
* Study participant with severe (defined as Grade 3 on the Myasthenia Gravis-Activities of Daily Living (MG-ADL) scale) weakness affecting oropharyngeal or respiratory muscles, or who has myasthenic crisis or impending crisis
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

UCB Biopharma SRL

INDUSTRY

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

UCB Cares

Role: STUDY_DIRECTOR

001 844 599 22733 (UCB)

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Mg0007 50092

Orange, California, United States

Site Status

Mg0007 50099

San Francisco, California, United States

Site Status

Mg0007 50122

Miami, Florida, United States

Site Status

Mg0007 50120

Miami, Florida, United States

Site Status

Mg0007 50073

Tampa, Florida, United States

Site Status

Mg0007 50075

Augusta, Georgia, United States

Site Status

Mg0007 50323

Honolulu, Hawaii, United States

Site Status

Mg0007 50114

Indianapolis, Indiana, United States

Site Status

Mg0007 50121

Lexington, Kentucky, United States

Site Status

Mg0007 50077

New York, New York, United States

Site Status

Mg0007 50090

Winston-Salem, North Carolina, United States

Site Status

Mg0007 50096

Philadelphia, Pennsylvania, United States

Site Status

Mg0007 50113

Houston, Texas, United States

Site Status

Mg0007 50071

Edmonton, , Canada

Site Status

Mg0007 50066

Montreal, , Canada

Site Status

Mg0007 50124

Montreal, , Canada

Site Status

Mg0007 50070

Québec, , Canada

Site Status

Mg0007 50069

Toronto, , Canada

Site Status

Mg0007 40125

Ostrava - Poruba, , Czechia

Site Status

Mg0007 40124

Prague, , Czechia

Site Status

Mg0007 40128

Aalborg, , Denmark

Site Status

Mg0007 40127

Aarhus, , Denmark

Site Status

Mg0007 40126

Copenhagen, , Denmark

Site Status

Mg0007 40129

Bordeaux, , France

Site Status

Mg0007 40360

Limoges, , France

Site Status

Mg0007 40132

Nice, , France

Site Status

Mg0007 40133

Paris, , France

Site Status

Mg0007 40131

Strasbourg, , France

Site Status

Mg0007 20160

Tbilisi, , Georgia

Site Status

Mg0007 20161

Tbilisi, , Georgia

Site Status

Mg0007 20163

Tbilisi, , Georgia

Site Status

Mg0007 20164

Tbilisi, , Georgia

Site Status

Mg0007 20165

Tbilisi, , Georgia

Site Status

Mg0007 40134

Essen, , Germany

Site Status

Mg0007 40140

Göttingen, , Germany

Site Status

Mg0007 40139

Jena, , Germany

Site Status

Mg0007 40078

Leipzig, , Germany

Site Status

Mg0007 40177

Münster, , Germany

Site Status

Mg0007 40283

Bologna, , Italy

Site Status

Mg0007 40144

Milan, , Italy

Site Status

Mg0007 40307

Napoli, , Italy

Site Status

Mg0007 40146

Pavia, , Italy

Site Status

Mg0007 40148

Roma, , Italy

Site Status

Mg0007 40150

Roma, , Italy

Site Status

Mg0007 20035

Bunkyō City, , Japan

Site Status

Mg0007 20068

Chiba, , Japan

Site Status

Mg0007 20078

Hanamaki-shi, , Japan

Site Status

Mg0007 20079

Hiroshima, , Japan

Site Status

Mg0007 20075

Kobe, , Japan

Site Status

Mg0007 20071

Nagasaki, , Japan

Site Status

Mg0007 20077

Sendai, , Japan

Site Status

Mg0007 20070

Shinjuku-ku, , Japan

Site Status

Mg0007 20076

Shinjuku-ku, , Japan

Site Status

Mg0007 20032

Suita, , Japan

Site Status

Mg0007 40155

Gdansk, , Poland

Site Status

Mg0007 40154

Lodz, , Poland

Site Status

Mg0007 40151

Lublin, , Poland

Site Status

Mg0007 40153

Poznan, , Poland

Site Status

Mg0007 20169

Novosibirsk, , Russia

Site Status

Mg0007 20001

Saint Petersburg, , Russia

Site Status

Mg0007 20028

Saint Petersburg, , Russia

Site Status

Mg0007 20055

Saint Petersburg, , Russia

Site Status

Mg0007 40467

Niš, , Serbia

Site Status

Mg0007 40160

Barcelona, , Spain

Site Status

Mg0007 40157

L'Hospitalet de Llobregat, , Spain

Site Status

Mg0007 40350

Murcia, , Spain

Site Status

Mg0007 40308

San Sebastián de los Reyes, , Spain

Site Status

Mg0007 20081

Taipei, , Taiwan

Site Status

Mg0007 20086

Taipei, , Taiwan

Site Status

Countries

Review the countries where the study has at least one active or historical site.

United States Canada Czechia Denmark France Georgia Germany Italy Japan Poland Russia Serbia Spain Taiwan

References

Explore related publications, articles, or registry entries linked to this study.

Bril V, Druzdz A, Grosskreutz J, Habib AA, Kaminski HJ, Mantegazza R, Sacconi S, Utsugisawa K, Vu T, Boehnlein M, Gayfieva M, Greve B, Woltering F, Vissing J; MG0004 study investigators. Safety and efficacy of chronic weekly rozanolixizumab in generalized myasthenia gravis: the randomized open-label extension MG0004 study. J Neurol. 2025 Mar 19;272(4):275. doi: 10.1007/s00415-025-12958-9.

Reference Type DERIVED
PMID: 40105996 (View on PubMed)

Bril V, Druzdz A, Grosskreutz J, Habib AA, Mantegazza R, Sacconi S, Utsugisawa K, Vissing J, Vu T, Boehnlein M, Bozorg A, Gayfieva M, Greve B, Woltering F, Kaminski HJ; MG0003 study team. Safety and efficacy of rozanolixizumab in patients with generalised myasthenia gravis (MycarinG): a randomised, double-blind, placebo-controlled, adaptive phase 3 study. Lancet Neurol. 2023 May;22(5):383-394. doi: 10.1016/S1474-4422(23)00077-7.

Reference Type DERIVED
PMID: 37059507 (View on PubMed)

Provided Documents

Download supplemental materials such as informed consent forms, study protocols, or participant manuals.

Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

2020-003230-20

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

MG0007

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.