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Slow vs. Rapid Glucocorticoids Tapering With Inebilizumab in NMOSD
Sponsor: Tianjin Medical University General Hospital
Summary
Neuromyelitis optica spectrum disorder (NMOSD) is a central nervous system autoimmune condition mainly involving the spinal cord, optic nerves, and area postrema. The anti-aquaporin-4 (AQP4)-Immunoglobulin G (IgG) is a specific biomarker for NMOSD. Glucocorticoids(GCs) are used as first-line treatment for NMOSD. Oral glucocorticoids tapering is always suggested following the pused therapy in the maintenance phase. Inebilizumab, a humanized monoclonal antibody targeting CD19, has been proven effective in preventing NMOSD relapses. This study aims to evaluate and compare the efficacy and differences between glucocorticoids slow-tapering and rapid-tapering strategies combined with inebilizumab in preventing relapses in AQP4-IgG-seropositive NMOSD patients following an acute attack, with the goal of determining the optimal approach to steroid tapering and discontinuation after initiation of inebilizumab.
Official title: The Efficacy of Slow - Tapering Versus Rapid - Tapering Glucocorticoid Strategies in Preventing Relapses of Neuromyelitis Optica Spectrum Disorder (NMOSD) When Combined With Inebilizumab: A Multicenter, Open - Label, Randomized Parallel - Controlled Clinical Trial
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
170
Start Date
2025-09-01
Completion Date
2028-08-31
Last Updated
2025-08-20
Healthy Volunteers
No
Interventions
Slow-tapering glucocorticoids + Inebilizumab
Slow-tapering glucocorticoids+Inebilizumab arm: A 300 mg intravenous infusion of inebilizumab will be administered on Day 1 and Day 15, followed by 300 mg infusions every 26 weeks thereafter. Prednisone will be initiated at a daily dose of 60 mg as concomitant therapy with inebilizumab. The prednisone dose will be tapered as follows: a reduction of 5 mg every 2 weeks until reaching 20 mg/day(Week 16); thereafter, a reduction of 5 mg every 4 weeks until discontinuation (a total duration of 32 weeks for combined inebilizumab and glucocorticoids therapy).
Rapid-tapering glucocorticoids + Inebilizumab
Rapid-tapering glucocorticoids+Inebilizumab arm: A 300 mg intravenous infusion of inebilizumab will be administered on Day 1 and Day 15, followed by 300 mg infusions every 26 weeks thereafter. Prednisone will be initiated at a daily dose of 60 mg as concomitant therapy with inebilizumab, with a tapering schedule of 5 mg reduction per week until discontinuation (a total duration of 12 weeks for combined inebilizumab and glucocorticoids therapy).