Evaluating Zilucoplan for Pediatric Myasthenia Gravis

A Multicenter Open-Label, Uncontrolled Study to Evaluate the Pharmacokinetics, Pharmacodynamics, Safety, Tolerability, and Activity of Zilucoplan in Pediatric Study Participants From 2 to Less Than 18 Years of Age With Acetylcholine Receptor Antibody Positive Generalized Myasthenia Gravis

Phase2; Phase3 Interventional UCB Pharma · NCT06055959

This study is testing a new medication called zilucoplan to see how it works and if it's safe for children aged 2 to 18 with generalized myasthenia gravis.

Quick facts

PhasePhase2; Phase3
Study typeInterventional
Enrollment8 (estimated)
Ages12 Years to 17 Years
SexAll
SponsorUCB Pharma Industry-sponsored
Locations9 sites (Chicago, Illinois and 8 other locations)
Trial IDNCT06055959 on ClinicalTrials.gov

What this trial studies

This study evaluates the pharmacokinetics, pharmacodynamics, safety, tolerability, immunogenicity, and activity of zilucoplan in pediatric participants diagnosed with generalized myasthenia gravis (gMG). It includes participants aged 2 to 18 years, with specific inclusion criteria based on age and severity of their condition. The study aims to gather comprehensive data on how zilucoplan affects children with gMG, potentially leading to improved treatment options.

Who should consider this trial

Good fit: Ideal candidates are pediatric patients aged 2 to 18 years with a confirmed diagnosis of generalized myasthenia gravis.

Not a fit: Patients with mild forms of myasthenia gravis or those not meeting the specific inclusion criteria may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a new treatment option for children suffering from generalized myasthenia gravis.

How similar studies have performed: Other studies have shown promise in treating generalized myasthenia gravis with similar approaches, but this specific evaluation of zilucoplan in pediatric patients is novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

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 according to local regulation

Rest of world (ROW) specific inclusion criterion:

\- Participant must be 2 to \<18 years of age at the time of signing the Informed consent/assent according to local regulation

Global inclusion criteria:

* Participant has a diagnosis of generalized myasthenia gravis (gMG) confirmed by a prior positive serologic test result to acetylcholine receptor (AChR) prior to Screening
* Participant meets the criteria as defined by the Myasthenia Gravis Foundation of America (MGFA) Clinical Classification II to IV at Screening
* Participants with gMG, including:
* An MG-activities of daily living (MG-ADL) total score of 6 or more in adolescents from 12 years to \<18 years of age at Screening
* Documented weakness in at least 1 limb, neck, or bulbar muscle in children from 2 years to \<12 years of age at Screening (does not apply to US)
* Documented vaccination against meningococcal infections within 3 years prior to study start. If not fully vaccinated, participants must receive appropriate prophylactic antibiotic treatment until at least 2 weeks after the initial dose of vaccine(s)

Exclusion Criteria:

* Participant has known positive serology for muscle-specific kinase
* Participant has any medical or psychiatric condition that, in the opinion of the Investigator, could jeopardize or would compromise the participant's ability to participate in this study
* Participant has had a thymectomy within 6 months prior to Baseline
* Participant has minimal Manifestation Status of MG based on the clinical judgement of the Investigator
* Current or recent systemic infection within 2 weeks prior to Baseline or infection requiring intravenous antibiotics within 4 weeks prior to Baseline

Where this trial is running

Chicago, Illinois and 8 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Generalized Myasthenia GravisRA101495gMGgeneralized myasthenia graviszilucoplanpediatricMG0014
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.