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Transplantation. 2006 Nov 15;82(9):1153-62.

Conversion from calcineurin inhibitors to sirolimus for chronic renal allograft dysfunction: a systematic review of the evidence.

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  • 1Division of Nephrology, Kidney Research Center, Ottawa Health Research Institute, Ottawa, Ontario, Canada.

Abstract

BACKGROUND:

Conversion from a calcineurin inhibitor to sirolimus has been used as a strategy to improve deteriorating renal allograft function but the efficacy and safety of this intervention is unknown.

METHODS:

We performed a systematic review of studies that involved conversion from a calcineurin inhibitor to sirolimus in kidney transplantation. The search yielded five randomized trials (n=1,040 patients) and 25 nonrandomized studies (n=977 patients).

RESULTS:

In the randomized trials, conversion to sirolimus improved short-term creatinine clearance (weighted mean difference 6.4 mL/min; 95% CI 1.9 to 11.0) compared to controls. In the nonrandomized studies, renal function improved or stabilized in 66% (95% CI 61% to 72%), creatinine clearance improved (weighted mean change 5.7 mL/min; 95% CI 1.4 to 10.1), cholesterol increased (weighted mean change 20.8 mg/dL; 95% CI 11.2 to 30.4) and triglycerides increased (weighted mean change 40.1 mg/dL; 95% CI 18.6 to 61.7). Sirolimus was discontinued by 28% of patients (95% CI 0 to 59%) in the randomized trials and 17% (95% CI 12 to 22%) in the nonrandomized trials.

CONCLUSION:

Conversion to sirolimus is associated with an improvement in short-term renal function. However, given the discontinuation rate and potential side effects, adequately powered randomized trials with longer follow-up of hard outcomes are needed to determine whether this strategy leads to a lasting benefit in the clinical care of transplant recipients.

PMID:
17102766
[PubMed - indexed for MEDLINE]
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