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Influence of ejection fraction on biomarker expression and response to spironolactone in people at risk of heart failure: findings from the HOMAGE trial

Abstract : Background: Left ventricular ejection fraction (LVEF) can provide hemodynamic information and may influence the response to spironolactone and other heart failure (HF) therapies. Aims: To study the patient characteristics and circulating protein associations with LVEF, and whether LVEF influenced the response to spironolactone. Methods: HOMAGE enrolled patients aged >60 years at high risk of developing HF with a LVEF ≥45%. 527 patients were randomized to either spironolactone or standard-of-care for ≈9 months. 276 circulating proteins were measured using Olink® technology. Results: 364 patients had available LVEF determined by the Simpson's bi-plane method. The respective LVEF tertiles were: Tertile1:<60% (N = 122), Tertile2:60%-65% (N = 121), and Tertile3:>65% (N = 121). Patients with a LVEF>65% had smaller LV chamber size and volumes, and lower natriuretic peptide levels. Compared to patients with a LVEF<60%, those with LVEF>65% had higher levels of circulating c-c motif chemokine ligand-23 and interleukin-8, and lower levels of tissue plasminogen activator, BNP, S100 calcium binding protein A12, and collagen type I alpha 1 chain (COL1A1). Spironolactone significantly reduced the circulating levels of BNP and COL1A1 without significant treatment-by-LVEF heterogeneity: BNP change β = -0.36 Log2 and COL1A1 change β = -0.16 Log2 (P < 0.0001 for both; interactionP>0.1 for both). Spironolactone increased LVEF from baseline to month 9 by 1.1%, P = 0.007. Conclusion: Patients with higher LVEF had higher circulating levels of chemokines and inflammatory markers and lower levels of stretch, injury, and fibrosis markers. Spironolactone reduced the circulating levels of natriuretic peptides and type 1 collagen, and increased LVEF. This article is protected by copyright. All rights reserved.
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https://hal.univ-lorraine.fr/hal-03588878
Contributor : Erwan Bozec Connect in order to contact the contributor
Submitted on : Friday, February 25, 2022 - 11:26:50 AM
Last modification on : Friday, April 22, 2022 - 11:42:06 AM

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João Pedro Ferreira, Job Verdonschot, Nicolas Girerd, Erwan Bozec, Pierpaolo Pellicori, et al.. Influence of ejection fraction on biomarker expression and response to spironolactone in people at risk of heart failure: findings from the HOMAGE trial. European Journal of Heart Failure, Oxford University Press (OUP), 2022, ⟨10.1002/ejhf.2455⟩. ⟨hal-03588878⟩

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