Sacubitril/Valsartan Augments Postprandial Plasma Concentrations of Active GLP-1 When Combined With Sitagliptin in Men

Nicolai J Wewer Albrechtsen, Peter D Mark, Dijana Terzic, Lasse H Hansen, Ulrik Ø Andersen, Bolette Hartmann, Richard D Carr, Finn Gustafsson, Carolyn F Deacon, Jens J Holst, Jens P Goetze, Peter Plomgaard*

*Corresponding author for this work

Abstract

Context: Combined inhibition of neprilysin and dipeptidyl peptidase 4 (DPP-4) has been shown to augment plasma concentrations of glucagon-like peptide-1(GLP-1) in animal models, but whether this occurs in humans is unknown. Objective: To investigate the effects of inhibition of neprilysin by sacubitril/valsartan alone or in combination with a DPP-4 inhibitor (sitagliptin) on plasma concentrations of GLP-1 in healthy men. Design: Two open-labeled crossover studies were performed in human subjects. Setting: General community. Participants: Nine and 10 healthy young men were included in study 1 and study 2, respectively. Intervention: Study participants received a standardized meal (34% carbohydrates, 45% fat, 21% protein; total caloric content, 2106 kJ) combined with a prior dose of either sacubitril/valsartan (194/ 206 mg) or control in study 1 and in study 2, with a prior dose of sitagliptin (2 3100 mg, given ;10 hours apart) either alone or with sacubitril/valsartan (194/206 mg). Main Outcome Measures: Plasma concentrations of total and intact GLP-1. Results: Sacubitril/valsartan increased postprandial plasma concentrations of total GLP-1 by 67% [total area under the curve (tAUC)0-240min: 3929 6 344 vs 2348 6 181 minutes 3 pmol/L, P 5 0.0023] and increased concentrations of intact GLP-1 plasma concentrations more than sitagliptin alone (tAUC0-240min: 1021 6 114 vs 660 6 80 minutes 3 pmol/L, P 5 0.01). Plasma concentrations of glucose, insulin, and GIP were not significantly (P . 0.10) changed upon sacubitril/valsartan treatment. Conclusions: Sacubitril/valsartan combined with a DPP-4 inhibitor led to markedly higher concentrations of intact GLP-1 than DPP-4 inhibition alone, supporting a role for both neprilysin and DPP-4 in the metabolism of GLP-1 in humans, a finding that may have therapeutic implications.

Original languageEnglish
JournalJournal of Clinical Endocrinology and Metabolism
Volume104
Issue number9
Pages (from-to)3868-3876
ISSN0021-972X
DOIs
Publication statusPublished - 1 Sept 2019

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