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  • Title: Impact of Induction Immunosuppression on the Recurrence of Primary IgA Nephropathy.
    Author: Lee KW, Kim KS, Lee JS, Yoo H, Kim K, Park JB, Kwon GY, Kim SJ.
    Journal: Transplant Proc; 2019 Jun; 51(5):1491-1495. PubMed ID: 31010698.
    Abstract:
    OBJECTIVE: The objective of this study was to analyze the impact of induction immunosuppression on the incidence of recurrent IgA nephropathy (IgAN). METHODS: We conducted recurrence-free survival analysis of recipients of a first kidney transplant for IgAN who received a graft between 1995 and 2015. Kaplan-Meier and Cox regression analyses were used to sort the significant risk factors for recurrence. A total of 226 recipients with biopsy-proven IgAN received a kidney transplant, and 218 recipients were enrolled. RESULTS: Among the recipients, 29 cases of IgAN recurrence were observed. The recipients were categorized into 3 groups according to induction immunosuppression: no induction (group 1, n = 72), anti-CD25 (group 2, n = 86), and antithymocyte globulin (ATG, group 3, n = 60). The 5- and 10-year cumulative IgAN recurrence rates were 9.7% and 21.0%, respectively. Recipients receiving ATG (group 3) exhibited significantly higher 4- and 5-year recurrence-free graft survival rates (both 96.4%) than recipients who received anti-CD25 (group 2, both 85.1%, P = .03). However, the induction therapy used (ATG or basiliximab) was not the risk factor for IgAN recurrence. CONCLUSIONS: Therefore, we concluded that ATG induction seems to postpone IgAN recurrence. These findings should be evaluated with well-designed prospective studies.
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