• Medicine · Sep 2022

    Immunosuppressive therapy versus supportive care in IgA nephropathy patients with stage 3 and 4 chronic kidney disease.

    • Gabriel Ștefan, Simona Stancu, Adrian Zugravu, Nicoleta Petre, Silviu Secăreanu, Otilia Popa, and Cristina Capusa.
    • University of Medicine and Pharmacy Carol Davila, Bucharest, Romania.
    • Medicine (Baltimore). 2022 Sep 9; 101 (36): e30422e30422.

    AbstractThe use of immunosuppressive therapy for immunoglobulin A nephropathy (IgAN) patients with stage 3 or 4 chronic kidney disease (CKD) is controversial. We performed a monocentric retrospective study on 83 consecutive IgAN patients with stage 3 or 4 CKD and proteinuria ≥0.75 g/d (age 41 [33-56] years, 72% male, estimated glomerular filtration rate 36.1 [25.4-47.5] mL/min/1.73 m2) who received uncontrolled supportive care (Supp) (n = 36), corticosteroids/corticotherapy (CS) (n = 14), or CS combined with monthly pulses of cyclophosphamide (CS + CFM) (n = 33) between 2010 and 2017. Patients were followed until composite endpoint (doubling of serum creatinine, end-stage kidney disease (dialysis or kidney transplant) or death, whichever came first) or end of study (January 2020). Patients were followed for a median of 29 (95% confidence interval = 25.2-32.7) months, and 12 (15%) patients experienced the composite endpoint. Within the limitation of a retrospective study, our results suggest no benefit from immunosuppressive therapy in patients with IgAN with stage 3 and 4 CKD as compared with supportive care. There were no differences between the 3 studied groups regarding age, estimated glomerular filtration rate, proteinuria, Oxford classification score, arterial hypertension, and therapy with renin-angiotensin system inhibitors. Mean kidney survival time for the entire cohort was 81.0 (95% confidence interval = 73.1-89.0) months, without significant differences between the 3 groups. In univariate and multivariate Cox regression analysis adjusted for IgAN progression factors, immunosuppressive therapy was not associated with better kidney survival when compared with supportive therapy.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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