Effect of Vericiguat on Left Ventricular Reverse Remodeling in Patients Who Have Heart Failure With Reduced Ejection Fraction ― Special Focus on Patients Without Quadruple Medical Therapy ―

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Background: A novel cardioprotective drug, vericiguat, reduces the risk of cardiovascular mortality for patients already on guideline-directed medical therapy. However, the effect of vericiguat on left ventricular (LV) reverse remodeling in patients with reduced LV ejection fraction (LVEF) with or without guideline-directed medical therapy, known as quadruple medical therapy, remains undetermined. Methods and Results: This study comprised 73 heart failure (HF) patients with reduced LVEF (<45%) from 5 institutions in Japan. Echocardiography was performed before and 6.1±3.9 months after administration of vericiguat. LV reverse remodeling was observed in all patients (LV end-diastolic volume 156.1±52.6 vs. 139.3±60.0 mL; P<0.001; LV end-systolic volume 108.1±41.2 vs. 91.8±51.2 mL; P<0.001; LVEF 31.8±7.4 vs. 37.6±12.3 %; P<0.001). LV reverse remodeling was also observed in 54 patients who could not undergo quadruple medical therapy for several reasons. Moreover, the incidence of cardiovascular events was also similar for patients who received or did not receive quadruple medical therapy (log-rank P=0.555). Conclusions: Significant LV reverse remodeling was observed in HF patients with reduced LVEF following administration of vericiguat. LV reverse remodeling was also observed in patients who could not receive quadruple medical therapy, thus making administration of vericiguat a potential new approach for treatment of these patients.

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