Actively Recruiting

Phase 2
Phase 3
Age: 2Years - 17Years
All Genders
NCT05265273

A Study of Nipocalimab in Children Aged 2 to Less Than 18 Years With Generalized Myasthenia Gravis

Led by Janssen Research & Development, LLC · Updated on 2026-03-13

12

Participants Needed

19

Research Sites

362 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

The purpose of this study is to determine the effect of nipocalimab on total serum immunoglobulin G (IgG) in pediatric participants 2 to less than (\<) 18 years of age (globally) and 8 to \<18 years of age (for Unites Stated (US) sites only), the safety and tolerability of treatment with nipocalimab in children and adolescents and to evaluate the pharmacokinetics (PK) of nipocalimab in children and adolescents with generalized myasthenia gravis (gMG) who have an insufficient clinical response to ongoing, stable standard-of-care therapy.

CONDITIONS

Official Title

A Study of Nipocalimab in Children Aged 2 to Less Than 18 Years With Generalized Myasthenia Gravis

Who Can Participate

Age: 2Years - 17Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • For US sites only: Age 8 to less than 18 years
  • Diagnosis of myasthenia gravis with generalized muscle weakness meeting MGFA Clinical Classification Class IIa/b, IIIa/b, or IVa/b at screening
  • Positive serologic test for acetylcholine receptor (anti-AChR) antibodies or muscle-specific tyrosine kinase (anti-MuSK) antibodies at screening
  • Use of herbal, naturopathic, traditional Chinese remedies, ayurvedic or nutritional supplements, or medical marijuana is allowed if stable and acceptable to the Investigator
  • Sufficient venous access for drug infusion and blood sampling
  • Body weight and body mass index between 5th and 95th percentile for age and sex; obese or underweight participants may participate with medical clearance
  • Female participants of childbearing potential must have negative pregnancy tests at screening and Day 1
Not Eligible

You will not qualify if you...

  • History of severe or uncontrolled liver, gastrointestinal, kidney, lung, heart, psychiatric, neurological, musculoskeletal, or other medical disorders that may affect safety or study validity
  • Confirmed or suspected immunodeficiency syndrome not related to gMG treatment, or family history of hereditary immunodeficiency unless excluded in participant
  • Thymectomy within 12 months prior to screening or planned during active treatment phase
  • Previous severe allergic reaction such as anaphylaxis to therapeutic proteins including monoclonal antibodies
  • Myocardial infarction, unstable ischemic heart disease, or stroke within 12 weeks prior to screening

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 19 locations

1

Phoenix Children's Hospital

Phoenix, Arizona, United States, 85016

Actively Recruiting

2

Childrens Hospital Los Angeles

Los Angeles, California, United States, 90027

Actively Recruiting

3

Lucile Packard Children's Hospital Stanford

Palo Alto, California, United States, 94304

Actively Recruiting

4

UCSF Benioff Children's Hospital

San Francisco, California, United States, 94158

Actively Recruiting

5

Children's Hospital Colorado

Aurora, Colorado, United States, 80045

Actively Recruiting

6

University of South Florida Morsani Center for Advanced Healthcare

Tampa, Florida, United States, 33613

Actively Recruiting

7

University of Kansas Medical Center

Lawrence, Kansas, United States, 66045

Completed

8

C.S. Mott Children's Hospital

Ann Arbor, Michigan, United States, 48109

Actively Recruiting

9

Penn State Milton S Hershey Medical Ctr

Hershey, Pennsylvania, United States, 17033

Actively Recruiting

10

Childrens Hospital Of Philadelphia

Philadelphia, Pennsylvania, United States, 19106

Actively Recruiting

11

University of Pittsburgh Medical Center

Pittsburgh, Pennsylvania, United States, 15224

Terminated

12

Nagano Children's Hospital

Azumino-shi, Japan, 399-8288

Actively Recruiting

13

Chiba University Hospital

Chiba, Japan, 260 8677

Completed

14

University of Miyazaki Hospital

Miyazaki, Japan, 889-1692

Actively Recruiting

15

Hyogo College of Medicine Hospital

Nishinomiya-Shi, Japan, 663-8501

Actively Recruiting

16

Saitama Prefecture Children's Medical Center

Saitama Shi, Japan, 330-8777

Actively Recruiting

17

Tokyo Women's Medical University Hospital

Shinjuku-ku, Japan, 162-8666

Actively Recruiting

18

Leiden University Medical Center

Leiden, Netherlands, 2333 ZA

Actively Recruiting

19

Uniwersyteckie Centrum Kliniczne

Gdansk, Poland, 80 211

Actively Recruiting

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Research Team

S

Study Contact

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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A Study of Nipocalimab in Children Aged 2 to Less Than 18 Years With Generalized Myasthenia Gravis | DecenTrialz