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.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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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
Email: •••••@•••••
Locations
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Azienda Ospedaliera di Rilievo Nazionale Cardarelli
RECRUITINGNaples, 80131, Italy
Contact Email: •••••@•••••
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Azienda Ospedaliero Universitaria Pisana
RECRUITINGPisa, 56126, Italy
Contact Email: •••••@•••••
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BCN Research, LLC - Gamma Therapeutic Center
RECRUITINGGreenfield, Wisconsin, 53228, United States
Contact Email: •••••@•••••
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BayCare Health System, Inc. St Anthony's Hospital
RECRUITINGSt. Petersburg, Florida, 33705, United States
Contact Email: •••••@•••••
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Beth Israel Deaconess Medical Center
RECRUITINGBoston, Massachusetts, 02215, United States
Contact Email: •••••@•••••
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Fondazione Policlinico Universitario Agostino Gemelli IRCCS
RECRUITINGRoma, 00168, Italy
Contact Email: •••••@•••••
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Georg-August-Universität Göttingen
RECRUITINGGöttingen, 37073, Germany
Contact Email: •••••@•••••
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Henry Ford Health System
RECRUITINGDetroit, Michigan, 48202, United States
Contact Email: •••••@•••••
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Hospital Clinico Universitario San Carlos
RECRUITINGMadrid, 28040, Spain
Contact Email: •••••@•••••
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Hospital Universitari Vall d'Hebron, Unitat de Malalties Neuromusculars, Servei de Neurologia
RECRUITINGBarcelona, 08035, Spain
Contact Email: •••••@•••••
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Hospital Universitari de Bellvitge
RECRUITINGBarcelona, 08907, Spain
Contact Email: •••••@•••••
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Hospital Universitario Virgen Macarena
RECRUITINGSeville, 41009, Spain
Contact Email: •••••@•••••
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Kepler Universitätsklinikum, Universitätsklinik für Neurologie, Med Campus III
RECRUITINGLinz, 4021, Austria
Contact Email: •••••@•••••
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Klinikum Altenburger Land GmbH
RECRUITINGAltenburg, 04600, Germany
Contact Email: •••••@•••••
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Klinikum Christophsbad
RECRUITINGGöppingen, 7303, Germany
Contact Email: •••••@•••••
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Klinikum Oberberg
RECRUITINGGummersbach, 51643, Germany
Contact Email: •••••@•••••
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Massachusetts General Hospital
RECRUITINGBoston, Massachusetts, 02114, United States
Contact Email: •••••@•••••
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Medical University of South Carolina
RECRUITINGCharleston, South Carolina, 29425, United States
Contact Email: •••••@•••••
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Medsol Clinical Research Center Inc
RECRUITINGPort Charlotte, Florida, 33952, United States
Contact Email: •••••@•••••
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National Neuromuscular Research Institute
RECRUITINGAustin, Texas, 78759, United States
Contact Email: •••••@•••••
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Norton Neuroscience Institute
RECRUITINGLouisville, Kentucky, 40241, United States
Contact Email: •••••@•••••
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Oregon Health and Science University
RECRUITINGPortland, Oregon, 97239, United States
Contact Email: •••••@•••••
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Ospedale Bellaria - Clinica Neurologica
RECRUITINGBologna, 40139, Italy
Contact Email: •••••@•••••
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Piazza OMS - Organizzazione Mondiale della Sanità
RECRUITINGBergamo, 24127, Italy
Contact Email: •••••@•••••
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Prairie Education and Research Cooperative and HSHS Medical Group
RECRUITINGO'Fallon, Illinois, 62701, United States
Contact Email: •••••@•••••
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SFM Clinical Research, LLC
RECRUITINGBoca Raton, Florida, 33487, United States
Contact Email: •••••@•••••
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St. Josef-Hospital Klinikum der Ruhr Universitaet Bochum
RECRUITINGBochum, 44791, Germany
Contact Email: •••••@•••••
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UCSF Medical Center - Helen Diller Family Comprehensive Cancer Center - Brain Tumor Center,
RECRUITINGSan Francisco, California, 94143, United States
Contact Email: •••••@•••••
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UZ Leuven (University Hospitals Leuven)
RECRUITINGLeuven, 3000, Belgium
Contact Email: •••••@•••••
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University of Colorado Hospital
RECRUITINGPortland, Oregon, 97239, United States
Contact Email: •••••@•••••
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University of Florida College of Medicine Jacksonville
RECRUITINGJacksonville Beach, Florida, 32209, United States
Contact Email: •••••@•••••
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University of Iowa
RECRUITINGIowa City, Iowa, 52242, United States
Contact Email: •••••@•••••
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University of Kansas Medical Center
RECRUITINGKansas City, Kansas, 66160, United States
Contact Email: •••••@•••••
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Universitätsklinikum Jena
RECRUITINGJena, 07747, Germany
Contact Email: •••••@•••••
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Universitätsklinikum Würzburg
RECRUITINGWürzburg, 97080, Germany
Contact Email: •••••@•••••
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- Could a new drug help keep myasthenia gravis symptoms at bay?