Efficacy of SGLT2 Inhibitors in Adults With Sepsis

Critically Ill, Inflammation, Organ Dysfunction Syndrome, Sepsis, SGLT2 Inhibitors

SGLT2 inhibitors, Sepsis, Inflammatory Markers, Critically Ill, Organ dysfunction

Goal of this clinical trial is to examine the safety and efficacy of SGLT2 inhibitors on the clinical outcomes in patients with sepsis. Main study outcomes are as follows: (i) Primary objective is to examine the efficacy and safety of SGLT2 inhibitors on clinical outcomes in patients with sepsis. (ii) Secondary objective is to examine the effect of SGLT2 inhibitors on inflammatory markers in patients with sepsis.

Sepsis is a leading epidemic in the world, affecting an estimated 48.9 million individuals annually. Patients who develop consequential organ failure requiring admission to the intensive care unit (ICU) has a mortality of up to 42%. In Hong Kong, sepsis was the second most common cause of ICU admission, accounting for 16.9% of the 14,068 patient admissions in 2018. Sepsis has remained as one of the top 10 leading causes of death in Hong Kong in the past decade. Recent randomized controlled trials evaluating various therapies in sepsis have not yielded encouraging results. Targeted therapeutic options including adjunctive glucocorticoid therapy, intravenous vitamin C, and sepsis bundles have not been associated with improved clinical outcomes in patients with sepsis. Administration of antibiotics for source control has remained as the only treatment proven effective in sepsis for two decades. There is an urgent unmet need to identify therapies that may modulate the adverse outcomes of sepsis. Sodium-glucose cotransporter-2 (SGLT2) inhibitors are a class of medication that reduces reabsorption of glucose from the kidneys by modulating the sodium-glucose cotransporter in the renal tubules. Although originally developed as a drug for type 2 diabetes, subsequent large randomized clinical trials have firmly established the clinical efficacy of SGLT2 inhibitors in improving cardiovascular and renal outcomes, irrespective of diabetes status. Patients who received SGLT2 inhibitors had a 32% relative risk reduction in all-cause mortality, 40% reduction in adverse renal outcomes, and 30% reduction in hospitalization for heart failure, compared with placebo. The investigators hypothesize that SGLT2 inhibitors, as compared with placebo, will improve clinical outcomes of patients with sepsis who are receiving standard care. (i) The primary objective is to examine the efficacy and safety of SGLT2 inhibitors on clinical outcomes in patients with sepsis. (ii) The secondary objective is to examine the effect of SGLT2 inhibitors on inflammatory markers in patients with sepsis. (iii) The tertiary objective is to examine the feasibility of conducting a multicenter double-blind randomized placebo-controlled trial in the ICUs of Hong Kong. Adult patients (age≥18 years) with new onset sepsis and admitted to the ICU will be considered for recruitment based on the study inclusion/exclusion criteria. Eligible subjects will be randomly assigned to the intervention group or the control group in a 1:1 ratio. In the intervention group, the SGLT2 inhibitor empagliflozin 10mg orally daily will be given in addition to standard care until hospital discharge. In the control group, a placebo tablet once orally daily will be given in addition to standard care until hospital discharge. All patients will be followed up daily until hospital discharge or transfer to another facility. Blood samples will be collected and sent for an assay that measures the levels of key inflammatory markers.

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