Statins are widely used in kidney transplant patients given their established benefits in the general population, however evidence favouring their use is lacking.To assess the benefits and harms of statin therapy on mortality and renal outcomes in kidney transplant recipients.We searched MEDLINE, EMBASE, the Cochrane Central Register of Controlled Trials (CENTRAL), and hand searched reference lists of articles and scientific proceedings.Randomised controlled trials (RCTs) and quasi-RCTs comparing statins with placebo, no treatment or other statins in kidney transplant recipients.Two authors independently assessed study quality and extracted data