Effects of the SGLT2 Inhibitor Empagliflozin on Renal Tissue Oxygenation in Non-diabetic Subjects
Abstract
SGLT-2 inhibitors belong to a new class of hypoglycemic drugs with the unique property of decreasing blood glucose through an increase in glucosuria. These drugs inhibit the sodium glucose transporter 2 (SGLT2) expressed at the luminal membrane of the proximal tubule.
SGLT-2 inhibition in type 2 diabetic subjects and in healthy volunteers shifts the threshold for renal glucose excretion to lower levels. This effect is independent from insulin. The inhibition of SGLT2 decreases HbA1C, systolic blood pressure and weight in diabetic subjects. Recently, the EMPA-REG trial demonstrated a decrease in cardiovascular mortality and renal endpoints in empagliflozin treated type 2 diabetic patients with established cardio-vascular disease.
Because this novel hypoglycemic drug has unique and direct effects on renal tissue metabolism, it is important to better examine its effects on the kidney. With this study, we propose to explore the effects of empagliflozin on renal tissue oxygenation. Our hypothesis is that SGLT-2 inhibition decreases renal cortical energy requirements with consequently an increase in renal tissue oxygenation.
Conditions: Nephropathy.
Primary outcome: Renal oxygenation.
Enrollment: 45 participants.
How strong is the evidence?
Evidence Hub reads this as a clinical trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 45 participants or records.
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