ArticleZhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences2023
Clinical efficacy of protein A immunoadsorption therapy on severe ANCA-associated vasculitis renal injury.
Article in Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesThe anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is a group of diseases involving multiple systems, and kidney is one of the most commonly involved target organs. Some patients may rapidly progress to end-stage renal disease in a short time. Whereas some patients have poor remission and renal prognosis after standard induction therapy. As a selective blood purification therapy, protein a immunoadsorption (PAIA) has shown great advantages on treating of severe autoimmune diseases. This study aims to evaluate the short-term efficacy of PAIA therapy combined with glucocorticoids and immunosuppressants on treating of severe AAV renal injury.
methodsA total of 10 AAV cases with severe kidney involvement in the Second Xiangya Hospital of Central South University from 2019 to 2020 were selected for this retrospective study. During the induction remission stage, each patient was treated with PAIA on the basis of standard therapy of glucocorticoids and immunosuppressive treatment. Before and after the initial treatment, 1 month and 3 months after treatment, clinical data including demographic characteristics, immunological indicators, and Birmingham Vasculitis Activity Score (BVAS) were compared. The related adverse reactions during treatment were recorded to evaluate the short-term efficacy.
resultsIn this study, all 10 patients were MPO positive, and 2 patients were PR3 positive (≥2.3 U/mL). There are 6 males and 4 females at (61.5±11.4) years old, with the median time from onset to admission to hospital at (2.8±1.8) months. Multisystem damage, especially kidney damage, can be seen with eGFR lower than 30 mL/(min·1.73 m
conclusionsTreatment with PAIA combined with glucocorticoids and cyclophosphamide can rapidly lower serum ANCA level and improve disease activity in patients with AAV complicated with severe kidney damage, suggesting a good short-term renal prognosis and good overall safety.
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