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OncoMatch/Clinical Trials/NCT06392386

A Study of Efgartigimod PH20 SC in Children Between 2 and Less Than 18 Years of Age With Generalized Myasthenia Gravis

Is NCT06392386 recruiting? Yes, currently enrolling (May 2026). This Phase 2/3 trial studies Efgartigimod PH20 SC for generalized myasthenia gravis.

Phase 2/3RecruitingargenxNCT06392386Data as of May 2026

Treatment: Efgartigimod PH20 SCThe purpose of this study is to measure the pharmacokinetics (PK), pharmacodynamics (PD), safety, tolerability, and immunogenicity of efgartigimod PH20 SC in pediatric participants with gMG aged 2 to \<18 years. The primary goal is to confirm an appropriate dose of efgartigimod PH20 SC for pediatric patients using PK and PD results from this study. Participants will receive injections of efgartigimod PH20 SC and will be monitored for safety until the end of the study. At the end of the follow-up period, eligible participants may roll over to an open-label extension (OLE) study. The participants will be in the study for up to 14 weeks.

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Extracted eligibility criteria

Prior therapy

Must have received: immunosuppressant

unsatisfactory response to immunosuppressants

Must have received: corticosteroid

unsatisfactory response to corticosteroids

Must have received: acetylcholinesterase inhibitor

unsatisfactory response to acetylcholinesterase inhibitors

Cannot have received: plasma exchange

Exception: documented lack of clinical response

documented lack of clinical response to plasma exchange (PLEX)

Cannot have received: live or live-attenuated vaccine

Exception: within <4 weeks before screening

Received a live or live-attenuated vaccine within <4 weeks before screening

Cannot have received: thymectomy

Exception: within 3 months before screening or planned during study

Received a thymectomy within 3 months before screening or is planning to get a thymectomy during their participation in the study

Cannot have received: other study drug

Exception: within <12 before screening

Has received a different study drug in another clinical study within <12 before screening

Cannot have received: efgartigimod

Exception: previous participation and received at least one dose

Has previously participated in an efgartigimod clinical study and received at least one dose of study drug

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

US trial sites

  • Carolinas HealthCare System Neurosciences Institute - Neurology · Charlotte, North Carolina
  • Neurology Rare Disease Center · Denton, Texas
  • University of Virginia · Charlottesville, Virginia

Showing up to 5 US sites. See all sites on ClinicalTrials.gov →

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