Four Weeks Treatment with the GLP-1 Receptor Analogue Liraglutide Lowers Liver Fat and Concomitantly Circulating Glucagon in Individuals with Overweight
International journal of obesity(2022)
摘要
We investigated the effect of pharmacologically induced weight loss on markers of glucagon resistance in individuals with overweight during treatment with the glucagon-like peptide-1 receptor agonist liraglutide. We performed an open-label study in 14 men with overweight (age 38 ± 11 years, BMI 32 ± 4 kg/m2) without simultaneously diabetes. Subjects were treated with liraglutide, initiated and titrated with 0.6 mg/day/week to reach the final dose of 3.0 mg/day. Subjects were examined at baseline, during titration (Week 4), after 2 weeks of steady state (Week 6) of final dosing of liraglutide and 3 weeks after discontinuation of liraglutide (follow-up). Study participants lost 3.3 ± 1.9 kg (3%) total body weight during the first 4 weeks of treatment with liraglutide. Simultaneously, liver fat content decreased from 12.4 ± 11.6% to 10.2 ± 11.1%, p = 0.025, whereas fat content in the spleen and subcutaneous tissue was unaltered. Markers of glucagon resistance, including plasma glucagon and the glucagon-alanine-index, also decreased significantly during treatment, but total and individual plasma amino acid concentrations did not. Insulin resistance (HOMA-IR) was unchanged during treatment, whereas insulin clearance increased. Treatment with the GLP-1 receptor analogue liraglutide decreased liver fat content, and simultaneously attenuated glucagon concentrations and the glucagon-alanine index in individuals with overweight without diabetes.
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关键词
Metabolic syndrome,Obesity,Medicine/Public Health,general,Public Health,Epidemiology,Internal Medicine,Metabolic Diseases,Health Promotion and Disease Prevention
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