for people ages 12 years and up (full criteria)
at Orange, California and other locations
study started
completion around



The main objective of the study is to evaluate the efficacy of satralizumab compared with placebo based on time from randomization to the first occurrence of an adjudicated MOGAD relapse in the double-blind (DB) treatment period

Official Title

A Phase III, Randomized, Double-Blind, Placebo-Controlled, Multicenter Study To Evaluate The Efficacy, Safety, Pharmacokinetics, And Pharmacodynamics Of Satralizumab As Monotherapy Or In Addition To Baseline Therapy In Patients With Myelin Oligodendrocyte Glycoprotein Antibody-Associated Disease (MOGAD)


Myelin Oligodendrocyte Glycoprotein Antibody-Associated Disease (MOGAD), Satralizumab


You can join if…

Open to people ages 12 years and up

  • Participants who are aged >=12 years at the time of signing Informed Consent Form
  • Confirmed diagnosis of MOGAD with a history of >=1 MOGAD relapse in the 12 months prior to screening or >=2 attacks in the 24 months prior to screening
  • Expanded Disability Status Scale (EDSS) score of 0-6.5 at screening
  • Best corrected visual acuity (HCVA) better than 20/800 in each eye at screening
  • Participants receiving either no or ongoing chronic immunosuppressant treatment (IST) for MOGAD at the time of screening
  • For women of childbearing potential: participants who agree to remain abstinent or use adequate contraception during the treatment period and for at least 3 months after the final dose of satralizumab

You CAN'T join if...

  • Presence of aquaporin-4-antibodies (AQP4-IgG) in the serum
  • History of anti-N-methyl-d-aspartate receptor (NMDAR) encephalitis
  • Any concomitant disease other than MOGAD that may require treatment with ISTs or OCS or intravenous (IV) corticosteroids at doses >20 mg prednisone equivalent per day for >21 days during the study
  • Participants who are pregnant or breastfeeding, or intending to become pregnant during the study or within 3 months after the final dose of satralizumab
  • Participants with active or presence of recurrent bacterial, viral, fungal, mycobacterial infection, or other infection at baseline
  • Participants with evidence of latent or active tuberculosis (excluding patients receiving chemoprophylaxis for latent tuberculosis infection)
  • Participants with positive screening tests for hepatitis B and C
  • Receipt of live or live attenuated vaccine within 6 weeks prior to baseline
  • History of severe allergic reaction to a biologic agent


  • University of California Irvine - Manchester Pavilion accepting new patients
    Orange California 92868 United States
  • University of Colorado - Anschutz Medical Campus (University of Colorado Health Sciences Center) accepting new patients
    Aurora Colorado 80045 United States


accepting new patients
Start Date
Completion Date
Hoffmann-La Roche
Phase 3
Study Type
Expecting 152 study participants
Last Updated