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Verma, Subodh; Mazer, C David; Yan, Andrew T; Mason, Tamique; Garg, Vinay; Teoh, Hwee; Zuo, Fei; Quan, Adrian; Farkouh, Michael E; Fitchett, David H; Goodman, Shaun G; Goldenberg, Ronald M; Al-Omran, Mohammed; Gilbert, Richard E; Bhatt, Deepak L; Leiter, Lawrence A; Jüni, Peter; Zinman, Bernard; Connelly, Kim A
Circulation (New York, N.Y.), 2019-November-19, 2019-11-19, Letnik: 140, Številka: 21Journal Article
BACKGROUND:SGLT2 (sodium-glucose cotransporter 2) inhibitors lower cardiovascular events in type 2 diabetes mellitus but whether they promote direct cardiac effects remains unknown. We sought to determine if empagliflozin causes a decrease in left ventricular (LV) mass in people with type 2 diabetes mellitus and coronary artery disease. METHODS:Between November 2016 and April 2018, we recruited 97 individuals ≥40 and ≤80 years old with glycated hemoglobin 6.5% to 10.0%, known coronary artery disease, and estimated glomerular filtration rate ≥60mL/min/1.73m. The participants were randomized to empagliflozin (10 mg/day, n=49) or placebo (n=48) for 6 months, in addition to standard of care. The primary outcome was the 6-month change in LV mass indexed to body surface area from baseline as measured by cardiac magnetic resonance imaging. Other measures included 6-month changes in LV end-diastolic and -systolic volumes indexed to body surface area, ejection fraction, 24-hour ambulatory blood pressure, hematocrit, and NT-proBNP (N-terminal pro b-type natriuretic peptide). RESULTS:Among the 97 participants (90 men 93%, mean standard deviation age 62.8 9.0 years, type 2 diabetes mellitus duration 11.0 8.2 years, estimated glomerular filtration rate 88.4 16.9 mL/min/1.73m, LV mass indexed to body surface area 60.7 11.9 g/m), 90 had evaluable imaging at follow-up. Mean LV mass indexed to body surface area regression over 6 months was 2.6 g/m and 0.01 g/m for those assigned empagliflozin and placebo, respectively (adjusted difference −3.35 g/m; 95% CI, −5.9 to −0.81g/m, P=0.01). In the empagliflozin-allocated group, there was significant lowering of overall ambulatory systolic blood pressure (adjusted difference −6.8mmHg, 95% CI −11.2 to −2.3mmHg, P=0.003), diastolic blood pressure (adjusted difference −3.2mmHg; 95% CI, −5.8 to −0.6mmHg, P=0.02) and elevation of hematocrit (P=0.0003). CONCLUSIONS:Among people with type 2 diabetes mellitus and coronary artery disease, SGLT2 inhibition with empagliflozin was associated with significant reduction in LV mass indexed to body surface area after 6 months, which may account in part for the beneficial cardiovascular outcomes observed in the EMPA-REG OUTCOME (BI 10773 Empagliflozin Cardiovascular Outcome Event Trial in Type 2 Diabetes Mellitus Patients) trial. CLINICAL TRIAL REGISTRATION:URLhttps://www.clinicaltrials.gov. Unique identifierNCT02998970.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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