Journal
JACC-HEART FAILURE
Volume 4, Issue 7, Pages 559-566Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jchf.2016.01.008
Keywords
albiglutide; glucagon-like peptide-1 (GLP-1); heart failure
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OBJECTIVES This study sought to determine if glucagon-like peptide (GLP)-1 ameliorates myocardial metabolic abnormalities in chronic heart failure. BACKGROUND Albiglutide (GSK716155) is a GLP-1 agonist indicated for type 2 diabetes. METHODS We performed a randomized, placebo-controlled study evaluating 12 weeks of albiglutide in New York Heart Association II or III subjects with ejection fraction <40%. Subjects received weekly placebo (n=30) or albiglutide 3.75 mg (n=12),15 mg (n=13), or 30 mg (n=27). The primary comparison was between albiglutide 30 mg and placebo. Assessments included echocardiography, 6-minute-walk test, and peak oxygen consumption. In a subgroup of patients, myocardial glucose and oxygen use were assessed. Endpoints are reported as change from baseline +/- SE. RESULTS Albiglutide 30 mg compared with placebo did not improve change from baseline in left ventricular ejection fraction (2.4% [1.1%] vs. 4.4% [1.1%]; p=0.22), 6-min walk test (18 [12] m vs. 9 [11] m; p=0.58), myocardial glucose use (p=0.59), or oxygen use (p=0.25). In contrast, albiglutide 30 mg versus placebo improved change from baseline in peak oxygen consumption (0.9 [0.5] ml/kg/min vs.-0.6 [0.5] ml/kg/min; p=0.02). Albiglutide was well tolerated. CONCLUSIONS Although there was no detectable effect of albiglutide on cardiac function or myocardial glucose use, there was a modest increase in peak oxygen consumption, which could have been mediated by noncardiac effects. (A Multi-center, Placebo-controlled Study to Evaluate the Safety of GSK716155 and Its Effects on Myocardial Metabolism, Myocardial Function, and Exercise Capacity in Patients With NYHA Class II/III Congestive Heart Failure; NCT01357850) (C) 2016 by the American College of Cardiology Foundation.
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