Journal of neuroimmunology · 2024
Effectiveness of double-filtration plasmapheresis in reducing immunoglobulin and culprit antibody levels in neuroimmune disorders: A single-center retrospective analysis from China.
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Lin Yan, Zhou Xiajun, Wu Jun, Mei Yufang, Ni Liping, Qiu Huiying, Zhou Yan, Chen Ying, Wan Wenbin
Аннотация
OBJECTIVE: This study aims to evaluate the effectiveness of double-filtration plasmapheresis (DFPP) in reducing immunoglobulins and culprit antibodies in neuroimmune disorders.
METHODS: A retrospective analysis was conducted on 51 patients with neuroimmune diseases treated with DFPP, immunotherapy, and symptomatic treatment. Immunoglobulin and antibody levels were measured pre- and post-treatment, along with neurological function assessments using scales like the modified Rankin Scale (mRS), Expanded Disability Status Scale (EDSS), Clinical Assessment Scale for Autoimmune Encephalitis (CASE), and Myasthenia Gravis-specific scales.
RESULTS: The cohort included patients with neuromyelitis optica spectrum disorder (NMOSD), autoimmune encephalitis (AIE), myasthenia gravis (MG), anti-myelin oligodendrocyte glycoprotein associated disease (MOGAD), and paraneoplastic neurological syndromes (PNS). DFPP significantly reduced immunoglobulin levels (IgG, IgA, IgM) by ∼70 %. Most patients showed decreased antibody titers and significant neurological improvement. The median mRS score improved from 2 (IQR 2-3) to 1 (IQR 1-2) post-treatment, with further improvement at 90 days. Notable improvements were observed across various scales specific to NMOSD, MOGAD, AIE, and MG. Minor adverse events were reported, with no serious adverse events.
CONCLUSIONS: DFPP is effective in reducing immunoglobulin and antibody levels, leading to improved neurological function in neuroimmune disorders. Further large-scale studies are warranted to confirm these findings.
METHODS: A retrospective analysis was conducted on 51 patients with neuroimmune diseases treated with DFPP, immunotherapy, and symptomatic treatment. Immunoglobulin and antibody levels were measured pre- and post-treatment, along with neurological function assessments using scales like the modified Rankin Scale (mRS), Expanded Disability Status Scale (EDSS), Clinical Assessment Scale for Autoimmune Encephalitis (CASE), and Myasthenia Gravis-specific scales.
RESULTS: The cohort included patients with neuromyelitis optica spectrum disorder (NMOSD), autoimmune encephalitis (AIE), myasthenia gravis (MG), anti-myelin oligodendrocyte glycoprotein associated disease (MOGAD), and paraneoplastic neurological syndromes (PNS). DFPP significantly reduced immunoglobulin levels (IgG, IgA, IgM) by ∼70 %. Most patients showed decreased antibody titers and significant neurological improvement. The median mRS score improved from 2 (IQR 2-3) to 1 (IQR 1-2) post-treatment, with further improvement at 90 days. Notable improvements were observed across various scales specific to NMOSD, MOGAD, AIE, and MG. Minor adverse events were reported, with no serious adverse events.
CONCLUSIONS: DFPP is effective in reducing immunoglobulin and antibody levels, leading to improved neurological function in neuroimmune disorders. Further large-scale studies are warranted to confirm these findings.