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A study to evaluate the efficacy and safety of rozanolixizumab in adult participants with myelin oligodendrocyte glycoprotein (MOG) antibody-associated disease (MOG-AD)

Phase 3
Recruiting
Conditions
Myelin oligodendrocyte glycoprotein (MOG)antibody-associated disease (MOG-AD)
Registration Number
JPRN-jRCT2021210052
Lead Sponsor
MATSUO TETSUO
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
All
Target Recruitment
11
Inclusion Criteria

Confirmed diagnosis of MOG-AD consistent with published diagnostic
criteria for MOG-AD
- Participant has history of relapsing MOG-AD with at least 1 documented relapse over the last 12 months and a documented positive serum MOG Ab test using a cell-based assay (CBA) within 6 months prior to randomization
- Participant must be clinically stable at the time of the Screening Visit and during the Screening Period

Exclusion Criteria

- Participant has been diagnosed with a neurological autoimmune disease (including multiple sclerosis (MS) and aquaporin-4 positive neuromyelitis optica spectrum disorder (NMOSD)), or a systemic autoimmune disease that in the opinion of the investigator can interfere with the safety of the participant
- Participant has a clinically important active infection (including unresolved or not adequately treated infection) as assessed by the investigator, including participants with a serious infection within 6 weeks prior to the first dose of the investigational medicinal product (IMP).
- Participant has a current or medical history of primary immunodeficiency
- Participant tests positive for aquaporin-4 antibodies at screening
- Participant has a serum total IgG level 5.5g/L or less

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Part A:<br>1. Time from randomization to first independently centrally adjudicated relapse (TTFR) during the Double Blind (DB) Treatment Period<br>Part B:<br>2. Incidence of treatment-emergent adverse events (TEAEs) during Open-Label Extension (OLE)Treatment Period <br>3. Incidence of treatment-emergent adverse events (TEAEs) leading to permanent withdrawal of investigational medicinal product (IMP) during OLE Treatment Period
Secondary Outcome Measures
NameTimeMethod
Part A:<br>1. Change from Baseline in Low-Contrast Monocular Visual Acuity (Worst Affected Eye) measured by low-contrast Landolt C Broken Rings Chart at the End of Double-Blind/Early Withdrawal (EDB/EWD) Visit<br>2. Disability as assessed by Expanded Disability Status Scale (EDSS) scores at the EDB/EWD Visit (with confirmation at 3 months)<br>3. Number of MOG-AD related inpatient hospitalizations during the DB Treatment Period<br>4. Incidence of treatment-emergent adverse events (TEAEs) during DB Treatment Period<br>Part B:<br>5. Independently centrally adjudicated annualized relapse rate (ARR) during the DB and OLE Treatment Period
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