NCT06298565Recruiting
A Non-interventional, Post-authorisation Safety Study of Patients Treated With Efgartigimod Alfa
Source: ClinicalTrials.gov · Last updated 17 Feb 2026
Brief summary (registry, in English)
This is a non-interventional, prospective, post authorization safety study. Patients with gMG who are expected to start treatment with efgartigimod at enrolment or are within their first cycle of efgartigimod at enrolment will be eligible to enroll into the efgartigimod cohort. Patients with gMG who have not been exposed to efgartigimod and for whom it is not planned to start treatment with efgartigimod at enrolment will be eligible to enroll into the non-efgartigimod cohort.
- Status (registry)
- Recruiting
- Study type
- Observational
- Enrollment
- 680 (estimated)
- First submitted
- 1 Mar 2024
- Start date
- Nov 2024
- Primary completion date
- Jun 2034
- Lead sponsor
- argenx
- Diseases
- Myasthenia gravis
- NCT number
- NCT06298565
What you commit to
- Study type: Observational
- Planned participants: 680
- From Nov 2024 to the primary completion date, Jun 2034
- 35 sites in 6 countries
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Other
- None
Who the study is looking for
- Patients diagnosed with gMG who are expected to start commercial efgartigimod at enrolment or who are within their first cycle of efgartigimod at enrolment or Patients diagnosed with gMG who have not been exposed to efgartigimod and for whom it is not planned to start treatment with efgartigimod at enrolment
- Have provided appropriate written informed consent
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (35)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Kepler Universitätsklinikum, Universitätsklinik für Neurologie, Med Campus III Coordinator of this site? Confirm its status | Linz | Austria | Recruiting |
| UZ Leuven (University Hospitals Leuven) Coordinator of this site? Confirm its status | Leuven | Belgium | Recruiting |
| Klinikum Altenburger Land GmbH Coordinator of this site? Confirm its status | Altenburg | Germany | Recruiting |
| St. Josef-Hospital Klinikum der Ruhr Universitaet Bochum Coordinator of this site? Confirm its status | Bochum | Germany | Recruiting |
| Klinikum Christophsbad Coordinator of this site? Confirm its status | Göppingen | Germany | Recruiting |
| Georg-August-Universität Göttingen Coordinator of this site? Confirm its status | Göttingen | Germany | Recruiting |
| Klinikum Oberberg Coordinator of this site? Confirm its status | Gummersbach | Germany | Recruiting |
| Universitätsklinikum Jena Coordinator of this site? Confirm its status | Jena | Germany | Recruiting |
| Universitätsklinikum Würzburg Coordinator of this site? Confirm its status | Würzburg | Germany | Recruiting |
| Hospital Universitari de Bellvitge Coordinator of this site? Confirm its status | Barcelona | Spain | Recruiting |
| Hospital Universitari Vall d'Hebron, Unitat de Malalties Neuromusculars, Servei de Neurologia Coordinator of this site? Confirm its status | Barcelona | Spain | Recruiting |
| Hospital Clínico Universitario San Carlos Coordinator of this site? Confirm its status | Madrid | Spain | Recruiting |
| Hospital Universitario Virgen Macarena Coordinator of this site? Confirm its status | Seville | Spain | Recruiting |
| Piazza OMS - Organizzazione Mondiale della Sanità Coordinator of this site? Confirm its status | Bergamo | Italy | Recruiting |
| Ospedale Bellaria - Clinica Neurologica Coordinator of this site? Confirm its status | Bologna | Italy | Recruiting |
| Azienda Ospedaliera di Rilievo Nazionale Cardarelli Coordinator of this site? Confirm its status | Naples | Italy | Recruiting |
| Azienda Ospedaliero Universitaria Pisana Coordinator of this site? Confirm its status | Pisa | Italy | Recruiting |
| Fondazione Policlinico Universitario Agostino Gemelli IRCCS Coordinator of this site? Confirm its status | Roma | Italy | Recruiting |
| National Neuromuscular Research Institute Coordinator of this site? Confirm its status | Austin | United States | Recruiting |
| SFM Clinical Research LLC Coordinator of this site? Confirm its status | Boca Raton | United States | Recruiting |
| Massachusetts General Hospital Coordinator of this site? Confirm its status | Boston | United States | Recruiting |
| Beth Israel Deaconess Medical Center Coordinator of this site? Confirm its status | Boston | United States | Recruiting |
| Medical University of South Carolina Coordinator of this site? Confirm its status | Charleston | United States | Recruiting |
| Henry Ford Health System Coordinator of this site? Confirm its status | Detroit | United States | Recruiting |
| BCN Research, LLC - Gamma Therapeutic Center Coordinator of this site? Confirm its status | Greenfield | United States | Recruiting |
| University of Iowa Coordinator of this site? Confirm its status | Iowa City | United States | Recruiting |
| University of Florida College of Medicine Jacksonville Coordinator of this site? Confirm its status | Jacksonville Beach | United States | Recruiting |
| University of Kansas Medical Center Coordinator of this site? Confirm its status | Kansas City | United States | Recruiting |
| Norton Neuroscience Institute Coordinator of this site? Confirm its status | Louisville | United States | Recruiting |
| Prairie Education and Research Cooperative and HSHS Medical Group Coordinator of this site? Confirm its status | O'Fallon | United States | Recruiting |
| Medsol Clinical Research Center Inc Coordinator of this site? Confirm its status | Port Charlotte | United States | Recruiting |
| Oregon Health and Science University Coordinator of this site? Confirm its status | Portland | United States | Recruiting |
| University of Colorado Hospital Coordinator of this site? Confirm its status | Portland | United States | Recruiting |
| UCSF Medical Center - Helen Diller Family Comprehensive Cancer Center - Brain Tumor Center, Coordinator of this site? Confirm its status | San Francisco | United States | Recruiting |
| BayCare Health System, Inc. St Anthony's Hospital Coordinator of this site? Confirm its status | St. Petersburg | United States | Recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.