Clinical trial Recruiting at 13 sites Phase 3 Interventional Ages 2 to 11

Evaluating satralizumab for children with neuromyelitis optica spectrum disorder

Official title: A Phase III, Multicenter, Open-Label, Uncontrolled Study to Evaluate Pharmacokinetics, Efficacy, Safety, Tolerability, and Pharmacodynamics of Satralizumab in Pediatric Patients With AQP4 Antibody Positive Neuromyelitis Optica Spectrum Disorder (NMOSD)

Run by Hoffmann-La Roche · NCT05199688 · Data updated 2026-11-12

This study is testing a new treatment called satralizumab to see if it helps children aged 2 to 11 with neuromyelitis optica spectrum disorder feel better and stay safe.

More Neuromyelitis Optica Spectrum Disorder trials

Quick facts

PhasePhase 3
Study typeInterventional
Ages2 Years to 11 Years
SexAll
Enrollment8 (estimated)
SponsorHoffmann-La Roche
Industry-sponsored
Drugs / interventionssatralizumab
Locations14 sites (Denver, Colorado and 13 other locations)
StatusRecruiting
StartedMay 6, 2026
Main results expectedMarch 31, 2027
Study endsSeptember 12, 2029
Registry record updatedOctober 1, 2026
Trial IDNCT05199688 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are children aged 2-11 years who are diagnosed with AQP4 antibody positive NMOSD and have experienced at least one attack in the past year.

Probably not a fit

Patients with other demyelinating diseases or those currently pregnant or lactating may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study evaluates the pharmacokinetics, efficacy, safety, tolerability, and pharmacodynamics of satralizumab in pediatric patients aged 2 to 11 years who are positive for anti-aquaporin-4 antibodies and diagnosed with neuromyelitis optica spectrum disorder (NMOSD). The study aims to gather descriptive data on these parameters, given the limited number of eligible patients. Participants must have experienced at least one documented attack of NMOSD in the past year and demonstrate neurological stability prior to the study. The treatment will be administered while monitoring the patients closely for safety and efficacy outcomes.

Why it matters

Potential benefit: If successful, this study could provide a new treatment option for pediatric patients suffering from NMOSD, potentially improving their quality of life.

How similar studies have gone: While this approach is focused on a specific pediatric population, similar studies in adult populations have shown promise, indicating potential for success in this novel application.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age at screening 2-11 years, inclusive
* Body weight at screening \>=10 kg
* For female patients of childbearing potential (postmenarchal): agreement to either remain completely abstinent (refrain from heterosexual intercourse) or to use a reliable means of contraception
* Diagnosed as having NMOSD with AQP4 antibody seropositive status as defined by the Wingerchuk 2015 criteria Clinical evidence of at least one documented attack (including first attack) in the last year prior to screening:

  * Documented history of a positive anti-AQP4 antibody test or a positive anti-AQP4 antibody test at screening;
* Neurological stability for \>=30 days prior to baseline
* Expanded Disability Status Scale (EDSS) 0 to 6.5
* For participants receiving a baseline immunosuppressant treatment and planning to continue on these therapies, treatment must be at stable dose for 4 weeks prior to baseline

Exclusion Criteria:

* Pregnancy or lactation
* Evidence of other demyelinating disease mimicking NMOSD
* Active or presence of recurrent bacterial, viral, fungal, mycobacterial infection, or other infection at baseline
* Evidence of chronic active hepatitis B or C
* Evidence of untreated latent or active tuberculosis (TB)
* Receipt of a live or live-attenuated vaccine within 6 weeks prior to baseline
* History of severe allergic reaction to a biologic agent
* IVIg or subcutaneous Ig (SCIg) within 4 weeks prior to enrollment/Day 1

Where it's running

  • Children's Hospital Colorado.
    Denver, Colorado, United States
    Recruiting
  • Hospital de Pediatría S.A.M.I.C.- Prof. Dr. Juan P. Garrahan
    Ciudad Autonoma Buenos Aires, Argentina
    Recruiting
  • Clinica Universitaria Reina Fabiola
    Córdoba, Argentina
    Recruiting
  • Guangzhou Women and Children's Medical Center
    Guangzhou, Guangdong, China
    Recruiting
  • Children's Hospital of Fudan University
    Shanghai, Shanghai Municipality, China
    Recruiting
  • Centre Hospitalier Universitaire de Bicêtre
    Le Kremlin-Bicêtre, Val-de-Marne, France
    Recruiting
Show 8 more locations
  • IRCCS Ospedale Pediatrico Bambino Gesù - INCIPIT - PIN
    Rome, Lazio, Italy
    Recruiting
  • Fondazione Istituto Neurologico Mondino IRCCS
    Pavia, Lombardy, Italy
    Recruiting
  • Grupo Medico Camino
    Df, Mexico CITY (federal District), Mexico
    Recruiting
  • Hospital Infantil de Mexico Federico Gomez
    Mexico City, Mexico CITY (federal District), Mexico
    Recruiting
  • Instytut "Pomnik - Centrum Zdrowia Dziecka"
    Warsaw, Poland
    Recruiting
  • Kocaeli University Research and Application Hospit
    Kocaeli, Turkey (Türkiye)
    Recruiting
  • Great Ormond Street Hospital for Children
    London, United Kingdom
    Recruiting
  • Uniwersyteckie Centrum Kliniczne
    Gdansk, Poland
    Active not recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.