Journal
JOURNAL OF CARDIAC FAILURE
Volume 28, Issue 5, Pages 778-786Publisher
CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS
DOI: 10.1016/j.cardfail.2021.12.005
Keywords
Obesity; biomarker; heart failure; spironolactone
Categories
Funding
- European Union Commission [305507]
- Netherlands Cardiovascular Research Initiative
- Dutch Heart Foundation
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This study aimed to evaluate the effects of spironolactone and the characteristics of biomarkers associated with obesity. Proteomic analysis revealed a distinct biomarker profile in obese patients, reflecting adipogenesis and glucose intolerance. Additionally, obesity significantly modified the effect of spironolactone on systolic blood pressure.
Background: Adipose tissue influences the expression and degradation of circulating biomarkers. We aimed to identify the biomarker profile and biological meaning of biomarkers associated with obesity to assess the effect of spironolactone on the circulating biomarkers and to explore whether obesity might modify the effect of spironolactone. Methods and Results: Protein biomarkers (n = 276) from the Olink Proseek Multiplex cardiovascular and inflammation panels were measured in plasma collected at baseline, 1 month and 9 months from the HOMAGE randomized controlled trial participants. Of the 510 participants, 299 had obesity defined as an increased waist circumference (>= 102 cm in men and >= 88 cm in women). Biomarkers at baseline reflected adipogenesis, increased vascularization, decreased fibrinolysis, and glucose intolerance in patients with obesity at baseline. Treatment with spironolactone had only minor effects on this proteomic profile. Obesity modified the effect of spironolactone on systolic blood pressure (P-interaction = 0.001), showing a stronger decrease of blood pressure in obese patients (-14.8 mm Hg 95% confidence interval -18.45 to -11.12) compared with nonobese patients (-3.6 mm Hg 95% confidence interval -7.82 to 0.66). Conclusions: Among patients at risk for heart failure, those with obesity have a characteristic proteomic profile reflecting adipogenesis and glucose intolerance. Spironolactone had only minor effects on this obesity-related proteomic profile, but obesity significantly modified the effect of spironolactone on systolic blood pressure.
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