Proteinuria associated with mTOR inhibitors after kidney transplant.

Exp Clin Transplant 2014 Dec;12(6):539-42

From the Department of Nephrology, Haydarpasa Research and Training Hospital, Istanbul, Turkey.

Objectives: The mammalian target of rapamycin inhibitors sirolimus and everolimus are immunosuppressive drugs for kidney transplant patients, but adverse events may include proteinuria. The purpose of this study was to compare the effects of sirolimus and everolimus on creatinine clearance and proteinuria after kidney transplant.

Materials And Methods: This study was a prospective evaluation period of 50 patients (age, 16-65 y) who had kidney transplant. There were 25 patients who used sirolimus and 25 patients who used everolimus. Evaluation at the beginning mTOR and end of the evaluation period included complete blood count, blood pressure, serum creatinine level, creatinine clearance, and proteinuria level in a 24-hour urine collection.

Results: Mean creatinine clearance at the beginning and end of the evaluation period was significantly less in the everolimus than sirolimus group. There was no significant change in creatinine clearance from the beginning to end of the evaluation period in either the sirolimus or everolimus group. Mean proteinuria at the beginning and end of the evaluation period was similar between the sirolimus and everolimus groups. Both groups had a significant increase in mean proteinuria from beginning to end of the evaluation period, but the increase in proteinuria was similar for the sirolimus and everolimus groups (difference not significant).

Conclusions: In kidney transplant recipients, sirolimus and everolimus are associated with a similar level of increased mean proteinuria.

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December 2014
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