Abstract
Background
No specific treatment for IgA nephropathy (IgAN) after kidney transplantation is currently available.
Methods
We conducted a retrospective single-center study on 29 patients with biopsy-proven de novo and recurrent IgAN after kidney transplantation, divided into two groups. Group 1 (n = 16) received intravenous methylprednisolone 500 mg per day for three consecutive days at the beginning of months 1, 3 and 5, plus oral prednisone 0.5 mg/kg every other day for 6 months. The control group (n = 13, Group 2) received supportive therapies.
Results
The two groups were comparable for serum creatinine (sCr) and proteinuria at the time of renal biopsy, but differed significantly at the end of follow-up. sCr was 1.8 ± 0.4 mg/dl in Group 1 vs. 2.7 ± 0.9 in Group 2 (p = 0.002), and proteinuria was 0.9 g/day in Group 1 vs. 1.9 in Group 2 (p = 0.04). The composite outcome of death-censored graft loss or doubling of sCr displayed 2 events in Group 1 (12.5 % of the entire group) and 5 events in Group 2 (38.5 % of the entire group), p = 0.19, odds ratio (OR) 4.4 [95 % confidence interval (CI) 0.7–27.8].
Conclusions
In the absence of therapeutic guidelines for de novo or recurrent IgAN after kidney transplantation, our study reports that therapy with pulse and oral steroids for 6 months is associated with an improved renal function. Nevertheless, further randomized controlled studies in larger patient cohorts are necessary to establish the gold standard treatment.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors.
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M. Messina and M. C. di Vico equally contributed to the study.
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Messina, M., di Vico, M.C., Ariaudo, C. et al. Treatment protocol with pulse and oral steroids for IgA Nephropathy after kidney transplantation. J Nephrol 29, 575–583 (2016). https://doi.org/10.1007/s40620-016-0314-5
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DOI: https://doi.org/10.1007/s40620-016-0314-5