Ontology type: schema:ScholarlyArticle
2020-09-30
AUTHORSMika Okutsu, Koichi Kamei, Mai Sato, Toru Kanamori, Kentaro Nishi, Sho Ishiwa, Masao Ogura, Mayumi Sako, Shuichi Ito, Kenji Ishikura
ABSTRACTBackgroundRituximab is effective for maintaining remission in patients with complicated nephrotic syndrome, although a history of steroid-resistant nephrotic syndrome (SRNS) is a risk factor for early relapse. We investigated the efficacy of prophylactic rituximab treatment for maintaining remission after B cell recovery.MethodsPatients with complicated steroid-dependent or frequently relapsing nephrotic syndrome with history of SRNS who received a single dose of rituximab (375 mg/m2) and continued immunosuppressive agents were enrolled in this retrospective study. Patients were divided into two groups: a prophylaxis group, which received additional rituximab treatment at B cell recovery and a non-prophylaxis group. The relapse-free period from the last rituximab infusion (the second treatment in prophylaxis group and the first treatment in non-prophylaxis group) was compared between two groups using the Kaplan-Meier method, and risk factors for early relapse were calculated using multivariate analysis by Cox proportional hazards model.ResultsSixteen patients in the prophylaxis group and 45 in the non-prophylaxis group were enrolled. Fifty-percent relapse-free survival after the last rituximab treatment was 667 days in the former and 335 days in the latter (p = 0.001). Multivariate analysis showed that additional rituximab treatment was the only significant negative factor for early relapse, with a hazard ratio of 0.40 (p = 0.02). Fifty-percent relapse-free survival after B cell recovery was much longer in the prophylaxis group (954 vs. 205.5 days, p = 0.003).ConclusionsAdditional rituximab treatment at B cell recovery can maintain prolonged remission even after B cell recovery in patients with complicated nephrotic syndrome with history of SRNS. More... »
PAGES611-619
http://scigraph.springernature.com/pub.10.1007/s00467-020-04771-5
DOIhttp://dx.doi.org/10.1007/s00467-020-04771-5
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PUBMEDhttps://www.ncbi.nlm.nih.gov/pubmed/32995922
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