Abstract
Background: Post-transplant diabetes is a frequent and serious complication of kidney transplantation. There is currently no treatment to prevent or delay the disease. Nevertheless, identification of risk factors make possible to target a population at risk to develop de novo diabetes. We hypothesized that a short term treatment with Vildagliptin may prevent new onset diabetes after transplantation (NODAT) in high-risk patients.
Methods: This is a multicenter double-blind placebo-controlled randomized clinical trial. Patients undergoing first kidney transplantation will be included in 10 French transplant center. Included patients will be randomized (1:1) to receive either vildagliptin 100 or 50 mg/day (depending on glomerular filtration rate) during 2 months (the first dose being administered before entering the operating blocks) or placebo. Additional antidiabetic therapy could be administered according to glycemic control. The primary outcome is the proportion of diabetic patients 1 year after transplantation, defined as patients receiving a diabetic treatment, or having a fasting glucose above 7 mmol/l, or/and with an abnormal oral glucose tolerance test. Secondary outcomes include the glycated hemoglobin, the occurrence of acute rejection, infection, graft loss and patient death at 3 months, 6 months and 12 months after transplantation. The results will be correlated to clinical and general characteristics of the patient, cardiovascular history, nephropathy, dialysis history, transplantation data, biological data, the health-related quality of life and the cost-effectiveness of prevention of diabetes with vildagliptin.
Discussion: There are only few data concerning pharmacological prevention of post-transplant diabetes. If our hypothesis is verified, our results will have a direct application in clinical practice and could limit diabetes-associated morbidity, reduce cardiovascular complications, increase quality of life of renal transplant patients, and consequently promote graft and patient survival. Our results may possibly serve for non-transplant patients carrying a high-risk of diabetes associated with other co-morbidities.
Trial registration: ClinicalTrials.gov, NCT02849899 Registered on 8 February 2016.
Keywords: Diabetes prevention; Vildagliptin; kidney transplantation; randomized controlled trial.
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