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OncoMatch/Clinical Trials/NCT06587867

Seronegative Myasthenia Gravis - Efgartigimod IV

Is NCT06587867 recruiting? Yes, currently enrolling (May 2026). This Phase 3 trial studies efgartigimod for efgartigimod.

Phase 3RecruitingUniversity Health Network, TorontoNCT06587867Data as of May 2026

Treatment: efgartigimodThis is to study the efficacy, safety and tolerability of efgartigimod in patients with seronegative generalized myasthenia gravis. This is an open label study. There will be 30 participants to enroll at University Health Network Toronto General Hospital. Study duration is 43 weeks from screening to end of study.

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Extracted eligibility criteria

Prior therapy

Cannot have received: rituximab (rituximab)

Patients who have received rituximab or eculizumab in the 6 months before screening

Cannot have received: eculizumab (eculizumab)

Patients who have received rituximab or eculizumab in the 6 months before screening

Cannot have received: intravenous immunoglobulin (intravenous immunoglobulin)

Patients who had intravenous immunoglobulin or plasma exchange within 4 weeks of screening

Cannot have received: plasma exchange (plasma exchange)

Patients who had intravenous immunoglobulin or plasma exchange within 4 weeks of screening

Lab requirements

Kidney function

Cr >1.5 x elevated at screening [excluded]

Liver function

transaminases > 2.5 x elevation at screening [excluded]

Patients with renal/hepatic function impairment as defined by (Cr>1.5 x elevated) and/or (transaminases > 2.5 x elevation) at screening.

Structured fields extracted by AI. May contain errors — verify against the official protocol.

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