New study tracks safety of efgartigimod for muscle weakness disease
NCT ID NCT06298565
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study follows 680 people with generalized myasthenia gravis to see how safe efgartigimod is over the long term. Some participants take the drug, while others do not. Researchers will compare rates of serious infections and other side effects between the two groups.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
efgartigimod
What this could lead to
If successful, this study could confirm that efgartigimod is safe for long-term use in generalized myasthenia gravis.
What could go wrong
This is an observational study, not a controlled trial, so it cannot prove cause and effect. Results may be influenced by differences between patient groups.
Disclaimer
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Azienda Ospedaliera di Rilievo Nazionale Cardarelli
RECRUITINGNaples, 80131, Italy
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Azienda Ospedaliero Universitaria Pisana
RECRUITINGPisa, 56126, Italy
Contact Phone: •••-•••-•••• Email: •••••@•••••
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BCN Research, LLC - Gamma Therapeutic Center
RECRUITINGGreenfield, Wisconsin, 53228, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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BayCare Health System, Inc. St Anthony's Hospital
RECRUITINGSt. Petersburg, Florida, 33705, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Beth Israel Deaconess Medical Center
RECRUITINGBoston, Massachusetts, 02215, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Fondazione Policlinico Universitario Agostino Gemelli IRCCS
RECRUITINGRoma, 00168, Italy
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Georg-August-Universität Göttingen
RECRUITINGGöttingen, 37073, Germany
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Henry Ford Health System
RECRUITINGDetroit, Michigan, 48202, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Hospital Clinico Universitario San Carlos
RECRUITINGMadrid, 28040, Spain
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Hospital Universitari Vall d'Hebron, Unitat de Malalties Neuromusculars, Servei de Neurologia
RECRUITINGBarcelona, 08035, Spain
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Hospital Universitari de Bellvitge
RECRUITINGBarcelona, 08907, Spain
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Hospital Universitario Virgen Macarena
RECRUITINGSeville, 41009, Spain
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Kepler Universitätsklinikum, Universitätsklinik für Neurologie, Med Campus III
RECRUITINGLinz, 4021, Austria
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Klinikum Altenburger Land GmbH
RECRUITINGAltenburg, 04600, Germany
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Klinikum Christophsbad
RECRUITINGGöppingen, 7303, Germany
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Klinikum Oberberg
RECRUITINGGummersbach, 51643, Germany
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Massachusetts General Hospital
RECRUITINGBoston, Massachusetts, 02114, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Medical University of South Carolina
RECRUITINGCharleston, South Carolina, 29425, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Medsol Clinical Research Center Inc
RECRUITINGPort Charlotte, Florida, 33952, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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National Neuromuscular Research Institute
RECRUITINGAustin, Texas, 78759, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Norton Neuroscience Institute
RECRUITINGLouisville, Kentucky, 40241, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Oregon Health and Science University
RECRUITINGPortland, Oregon, 97239, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Ospedale Bellaria - Clinica Neurologica
RECRUITINGBologna, 40139, Italy
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Piazza OMS - Organizzazione Mondiale della Sanità
RECRUITINGBergamo, 24127, Italy
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Prairie Education and Research Cooperative and HSHS Medical Group
RECRUITINGO'Fallon, Illinois, 62701, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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SFM Clinical Research, LLC
RECRUITINGBoca Raton, Florida, 33487, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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St. Josef-Hospital Klinikum der Ruhr Universitaet Bochum
RECRUITINGBochum, 44791, Germany
Contact Phone: •••-•••-•••• Email: •••••@•••••
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UCSF Medical Center - Helen Diller Family Comprehensive Cancer Center - Brain Tumor Center,
RECRUITINGSan Francisco, California, 94143, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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UZ Leuven (University Hospitals Leuven)
RECRUITINGLeuven, 3000, Belgium
Contact Phone: •••-•••-•••• Email: •••••@•••••
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University of Colorado Hospital
RECRUITINGPortland, Oregon, 97239, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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University of Florida College of Medicine Jacksonville
RECRUITINGJacksonville Beach, Florida, 32209, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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University of Iowa
RECRUITINGIowa City, Iowa, 52242, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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University of Kansas Medical Center
RECRUITINGKansas City, Kansas, 66160, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Universitätsklinikum Jena
RECRUITINGJena, 07747, Germany
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Universitätsklinikum Würzburg
RECRUITINGWürzburg, 97080, Germany
Contact Phone: •••-•••-•••• Email: •••••@•••••