• Preman Kumarathurai, Christian Anholm, Andreas Fabricius-Bjerre, Olav W Nielsen, Ole Kristiansen, Sten Madsbad, Steen B Haugaard, and Ahmad Sajadieh.
• aDepartment of Cardiology, Copenhagen University Hospital of Bispebjerg bDepartment of Internal Medicine, Copenhagen University Hospital of Amager cDepartment of Endocrinology, Copenhagen University Hospital of Hvidovre dClinical Research Center, Copenhagen University Hospital of Hvidovre, Copenhagen, Denmark.
• J. Hypertens. 2017 May 1; 35 (5): 1070-1078.

ObjectiveThe glucagon-like peptide-1 receptor agonist liraglutide has been shown to reduce blood pressure (BP) in clinical trials using office BP measurements. However, the effects of liraglutide on 24-h BP and on the diurnal variation in BP have not been explored sufficiently.MethodsForty-one patients with type 2 diabetes and stable coronary artery disease were randomized to receive liraglutide or placebo to a backbone therapy of metformin in this double-blind, placebo-controlled 12 along with 12 weeks crossover study. Ambulatory blood pressure monitoring (ABPM) was performed at the start and end of each intervention.ResultsTwenty-four individuals completed all 24-h BP measurements. Liraglutide, when compared with placebo, did not induce any significant changes in mean 24-h SBP [difference +1.8 mmHg (95% confidence interval, 95% CI: -4.33 to 7.93)] or DBP [+4.2 mmHg (-0.74 to 9.17)]. Twenty-four-hour BP profiles revealed a trend for increase in evening SBP and DBP [+9.2 mmHg (95% CI: 1.1-17.2) and +9.7 mmHg (95% CI: 3.9-15.5), respectively]. Mean heart rate significantly increased after liraglutide [+7.6 bpm (95% CI: 2.56-12.62)]. Liraglutide did not affect the BP variability or the nocturnal BP dipping.ConclusionsWe could not demonstrate any BP-lowering effect of liraglutide when using 24-h ABPM. Liraglutide exhibited diurnal variation in the effect on BP without affecting the BP variability or nocturnal BP dipping.

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