Actively Recruiting

Phase 2
Phase 3
All Genders
NCT05346354

Efficacy and Safety Study of Ravulizumab IV in Pediatric Participants With NMOSD

Led by Alexion Pharmaceuticals, Inc. · Updated on 2025-11-12

12

Participants Needed

21

Research Sites

353 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

The primary purpose of this study is to evaluate the safety and efficacy of ravulizumab in pediatric participants with Neuromyelitis Optica Spectrum Disorder (NMOSD).

CONDITIONS

Official Title

Efficacy and Safety Study of Ravulizumab IV in Pediatric Participants With NMOSD

Who Can Participate

All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Participants must be anti-AQP4 antibody positive and diagnosed with NMOSD according to 2015 international criteria
  • Complement inhibitor treatment-naFve participants must have had at least one attack or relapse in the last 12 months before screening
  • Expanded Disability Status Scale (EDSS) score must be 7 or less
  • Eculizumab-experienced participants must be clinically stable for 30 days, treated with eculizumab for at least 90 days before screening, and have no missed doses in the 2 months prior to Day 1
  • Participants on supportive immunosuppressive therapies must be on a stable dosing regimen before and during screening
  • All participants must be vaccinated against meningococcal infection
  • Participants must have documented vaccination for Hib and Streptococcus pneumoniae at least 14 days before Day 1 according to guidelines
Not Eligible

You will not qualify if you...

  • Use of rituximab within 3 months before screening
  • Current treatment with biologic medications other than eculizumab, or stopped such treatment without waiting 5 half-lives before screening
  • Use of intravenous immunoglobulin (IVIg) or plasma exchange within 3 weeks before screening
  • Participation in another investigational drug or device study within 5 half-lives of that product or within 30 days before first study drug dose
  • Use of immunomodulatory therapies for multiple sclerosis within 3 months before screening

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 21 locations

1

Research Site

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

Actively Recruiting

2

Research Site

Miami, Florida, United States, 33136

Actively Recruiting

3

Research Site

Boston, Massachusetts, United States, 02114

Actively Recruiting

4

Research Site

St Louis, Missouri, United States, 63110

Withdrawn

5

Research Site

Durham, North Carolina, United States, 27705

Actively Recruiting

6

Research Site

Philadelphia, Pennsylvania, United States, 19104

Actively Recruiting

7

Research Site

Edmonton, Alberta, Canada, T6G 1C9

Actively Recruiting

8

Research Site

Toronto, Ontario, Canada, M5G 1X8

Actively Recruiting

9

Research Site

Montreal, Quebec, Canada, H3T1C5

Actively Recruiting

10

Research Site

Le Kremlin-Bicêtre, France, 94270

Actively Recruiting

11

Research Site

Marseille, France, 13005

Actively Recruiting

12

Research Site

Montpellier, France, 34295

Actively Recruiting

13

Research Site

Bochum, Germany, 44791

Withdrawn

14

Research Site

Giessen, Germany, 35392

Withdrawn

15

Research Site

Catania, Italy, 95123

Withdrawn

16

Research Site

Chieti, Italy, 66013

Actively Recruiting

17

Research Site

Gallarate, Italy, 21013

Actively Recruiting

18

Research Site

Roma, Italy, 00165

Actively Recruiting

19

Research Site

Yokohama, Japan, 232-0024

Actively Recruiting

20

Research Site

Goyang-si, South Korea, 10408

Actively Recruiting

21

Research Site

Esplugues de Llobregat, Spain, 8950

Actively Recruiting

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Research Team

A

Alexion Pharmaceuticals, Inc. (Sponsor)

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NON_RANDOMIZED

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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