Effect of Liraglutide on Cardiovascular Function and Myocardial Tissue Characteristics in Type 2 Diabetes Patients of South Asian Descent Living in the Netherlands: A Double-Blind, Randomized, Placebo-Controlled Trial
Publication year
2020Source
Journal of Magnetic Resonance Imaging, 51, 6, (2020), pp. 1679-1688ISSN
Publication type
Article / Letter to editor

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Organization
Internal Medicine
Journal title
Journal of Magnetic Resonance Imaging
Volume
vol. 51
Issue
iss. 6
Page start
p. 1679
Page end
p. 1688
Subject
Radboudumc 18: Healthcare improvement science RIHS: Radboud Institute for Health SciencesAbstract
BACKGROUND: The glucagon-like peptide-1 (GLP-1) receptor agonist liraglutide may be beneficial in the regression of diabetic cardiomyopathy. South Asian ethnic groups in particular are at risk of developing type 2 diabetes. PURPOSE: To assess the effects of liraglutide on left ventricular (LV) diastolic and systolic function in South Asian type 2 diabetes patients. STUDY TYPE: Prospective, double-blind, randomized, placebo-controlled trial. POPULATION: Forty-seven type 2 diabetes patients of South Asian ancestry living in the Netherlands, with or without ischemic heart disease, who were randomly assigned to 26-week treatment with liraglutide (1.8 mg/day) or placebo. FIELD STRENGTH/SEQUENCE: 3T (balanced steady-state free precession cine MRI, 2D and 4D velocity-encoded MRI, (1) H-MRS, T1 mapping). ASSESSMENT: Primary endpoints were changes in LV diastolic function (early deceleration peak [Edec], ratio of early and late peak filling rate [E/A], estimated LV filling pressure [E/Ea]) and LV systolic function (ejection fraction). Secondary endpoints were changes in aortic stiffness (aortic pulse wave velocity [PWV]), myocardial steatosis (myocardial triglyceride content), and diffuse fibrosis (extracellular volume [ECV]). STATISTICAL TESTS: Data were analyzed according to intention-to-treat. Between-group differences were reported as mean (95% confidence interval [CI]) and were assessed using analysis of covariance (ANCOVA). RESULTS: Liraglutide (n = 22) compared with placebo (n = 25) did not change Edec (+0.2 mL/s(2) x 10(-3) (-0.3;0.6)), E/A (-0.09 (-0.23;0.05)), E/Ea (+0.1 (-1.2;1.3)) and ejection fraction (0% (-3;2)), but decreased stroke volume (-9 mL (-14;-5)) and increased heart rate (+10 bpm (4;15)). Aortic PWV (+0.5 m/s (-0.6;1.6)), myocardial triglyceride content (+0.21% (-0.09;0.51)), and ECV (-0.2% (-1.4;1.0)) were unaltered. DATA CONCLUSION: Liraglutide did not affect LV diastolic and systolic function, aortic stiffness, myocardial triglyceride content, or extracellular volume in Dutch South Asian type 2 diabetes patients with or without coronary artery disease. LEVEL OF EVIDENCE: 1 Technical Efficacy Stage: 4 J. Magn. Reson. Imaging 2020;51:1679-1688.
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