Rationale and design for Lowering-hyperUricaemia treatment on cardiovascular outcoMes In peritoNeal diAlysis patients: a prospective, multicentre, double-blind, randomised controlled trial (LUMINA).

Introduction: The prevalence of hyperuricaemia in peritoneal dialysis patients is quite high. Studies have demonstrated a correlation between hyperuricaemia and cardiovascular disease and treatment of hyperuricaemia reportedly reduces cardiovascular risk in patients with chronic kidney disease. However, whether hyperuricaemia treatment benefits cardiovascular outcomes in continuous ambulatory peritoneal dialysis (CAPD) patients is not yet known.

Methods And Analyses: This prospective, multicentre, double-blind, randomised controlled trial was designed to evaluate the effects of hyperuricaemia treatment on cardiovascular event risk in CAPD patients. Based on a power of 80%, with type I error α=0.05, two-sided test and 1:1 parallel control study, considering a dropout rate of 20%, a total of 548 eligible patients are expected to be randomly assigned to either the hyperuricaemia treatment group (febuxostat) or control group (placebo).

Ethics And Dissemination: This study has been approved by the Medical Ethics Committee of the First Affiliated Hospital, Sun Yat-sen University and the ethics committees of other participating institutions. Written informed consent will be obtained from potential trial participants or authorised surrogates.The findings of the study will be disseminated through publications in peer-reviewed journals, and presentations at national and international conferences.

Trial Registration Number: NCT03200210. 25 June 2017. The trial was started on 13 July 2017, and is expected to end by 31 December 2022. Till 20 Jan 2020, a total of 548 patients have been recruited.

Protocol Version: The protocol version number and date are YLT-1604-V2.0 and 15 December 2016.