Type 2 Diabetes Clinical Trial
Official title:
Efficacy, Mechanisms and Safety of SGLT2 Inhibitors in Kidney Transplant Recipients: The INFINITI Study
This study will be a randomized, double-blind, placebo-controlled clinical trial comparing the SGLT2 inhibitor dapagliflozin to placebo in 52 kidney transplant recipients (KTR) with or without pre-existing type 2 diabetes (T2D) or post-transplant diabetes mellitus (PTDM). The primary outcome of the trial is to determine if dapagliflozin is superior to placebo in reduction of blood pressure in KTR.
Kidney transplantation is the renal replacement therapy of choice for patients with end stage renal disease (ESRD). It has been well established that kidney transplantation improves patient survival and quality of life, and results in significant savings to the health care system. Despite the survival benefit conferred by transplantation, KTR still face a number of challenges, especially in patients with diabetes. First, KTR still have a higher risk of mortality than their age-matched counterparts without kidney disease. This mortality risk is even greater amongst KTR with diabetes. Furthermore, mortality from cardiovascular disease (CVD) continues to be an important problem after transplantation. Another major challenge faced by KTR is the continuing risk of developing graft failure over time. Unfortunately, in the subgroup of KTR with diabetes, the incidence of graft failure is 50% higher than the general kidney transplant recipient population, and recurrent diabetic kidney disease (DKD) occurs in almost half of allografts after transplantation. Current strategies in the management of graft dysfunction and chronic kidney disease (CKD) are focused on optimizing immunosuppression and control of hypertension and dyslipidemia. Accordingly, there is an important unmet need for cardio- and renoprotective strategies to address premature death and graft loss in the KTR population. Sodium-glucose cotransporter 2 inhibitors (SGLT2i) are glucose lowering agents that are effective in the treatment of T2D, resulting not only in improved glycemic control, but also weight loss, blood pressure and albuminuria reduction. Several clinical trials have shown significant benefits of SGLT2i on cardiovascular and renal outcomes. Given the glucose-dependent and independent effects of SGLT2i, as well as the accumulating evidence demonstrating cardiorenal protection in non-KTR, the use of these agents in KTR is attractive - especially since traditional renin-angiotensin-aldosterone system inhibitors are not effective. Moreover, the use of SGLT2i as a cardiorenal protective therapy may be of particular value in KTR given the high burden of comorbidities such as diabetes, CVD and hypertension, as well as the ongoing challenges of premature death and graft loss in this population. This study will be a randomized, double-blind, placebo-controlled clinical trial comparing the SGLT2 inhibitor dapagliflozin to placebo in 52 KTR with or without pre-existing T2D or PTDM. The primary outcome of the trial is to determine if dapagliflozin is superior to placebo in reduction of blood pressure in KTR. The secondary outcomes of this study include metabolic, vascular, renal and transplant-specific measures. These outcomes have been included to elucidate the potential mechanisms responsible for blood pressure lowering, and putative cardio- and renoprotective effects in KTR. Safety outcomes will also be assessed. ;
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