Status:

RECRUITING

PK, PD, Safety, and Efficacy Study of Gefurulimab in Pediatric Patients With AChR+ Generalized Myasthenia Gravis

Lead Sponsor:

Alexion Pharmaceuticals, Inc.

Conditions:

Generalized Myasthenia Gravis

gMG

Eligibility:

All Genders

6-17 years

Phase:

PHASE3

Brief Summary

The primary objective of this study is to assess the pharmacokinetics and pharmacodynamics of gefurulimab in pediatric participants with AChR+ gMG for the duration of the study.

Eligibility Criteria

Inclusion

  • United States of America (USA) specific inclusion criterion:
  • Participant must be 12 to \< 18 years of age at the time of signing the informed consent/assent.
  • All participants must be vaccinated against meningococcal infection from serogroups A, B, C, W, and Y within 3 years and at least 2 weeks prior to the first dose of study intervention administration.
  • Rest of World (ROW) specific inclusion criteria:
  • Participant must be 6 to \< 18 years of age at the time of signing the informed consent/assent.
  • All participants must be vaccinated against meningococcal infection from serogroups A, C, W, Y (and B where available) within 3 years prior to study intervention on Day 1. If vaccination occurs \< 2 weeks prior to Day 1, the participants will receive prophylactic antibiotics for at least 2 weeks after initial meningococcal vaccination for serogroups A,C,W,Y (and B, where available)
  • Global inclusion criteria:
  • Diagnosis of MG with generalized muscle weakness meeting the clinical criteria defined by Myasthenia Gravis Foundation of America (MGFA) Class II, III or IV
  • Positive serological test for autoantibodies against AChR

Exclusion

  • History of thymectomy, or any other thymic surgery within 12 months prior to Screening
  • Untreated thymic malignancy, carcinoma, or thymoma
  • History of Neisseria meningitidis infection
  • Pregnancy, breastfeeding, or intention to conceive during the course of the study

Key Trial Info

Start Date :

November 13 2024

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

July 18 2029

Estimated Enrollment :

12 Patients enrolled

Trial Details

Trial ID

NCT06607627

Start Date

November 13 2024

End Date

July 18 2029

Last Update

August 27 2025

Active Locations (12)

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Page 1 of 3 (12 locations)

1

Research Site

Washington D.C., District of Columbia, United States, 20010

2

Research Site

Norfolk, Virginia, United States, 23507

3

Research Site

Joinville, Brazil, 89202-451

4

Research Site

Salvador, Brazil, 41253-190

PK, PD, Safety, and Efficacy Study of Gefurulimab in Pediatric Patients With AChR+ Generalized Myasthenia Gravis | DecenTrialz