Heart Failure Clinical Trial
Official title:
Safety and Tolerability of Diuretics Withdrawal in Heart Failure With Reduced Ejection Fraction. REDICAE Trial.
REDICAE trial was designed to evaluate the safety and tolerability of diuretics withdrawal in stable, euvolemic chronic outpatients with heart failure with reduced ejection fraction. It is a single-center, randomized, open-label, phase II clinical trial.
Treatment of heart failure with reduced ejection fraction (HFrEF) has improved patient survival in recent decades. Diuretics are essentials in acute decompensated heart failure, specially furosemide. However, when patients are stable and euvolemic diuretics (loop diuretics, thiazide diuretics or acetazolamide) might increase adverse effects: renin-angiotensin-aldosterone system activation, renal function impairment or electrolyte disturbances. The 2021 European Society of Cardiology (ESC) Guidelines for the diagnosis and treatment of acute and chronic heart failure recommend angiotensin-converting enzyme inhibitors (ACEI) or angiotensin receptor-neprilysin inhibitor (ARNI), beta-blockers (BB), mineralocorticoid receptor antagonists (MRA) and sodium-glucose co-transporter 2 inhibitors (iSTLT2) as first-line therapy for HFrEF. A significant proportion of patients take a maintenance diuretics dose despite the clinical benefits and prognosis are controversial. Current clinical guidelines suggest that diuretic use can be reduced or discontinued in selected euvolemic or hypovolemic patients. This statement is based on the results of the ReBIC-1 trial published in 2019, which showed a neutral effect of furosemide discontinuation in stable chronic outpatients with HFrEF treated according to the 2016 ESC heart failure guidelines standards of care. REDICAE trial was designed to evaluate the safety and tolerability of diuretics withdrawal, not just furosemide, in stable euvolemic chronic outpatients with HFrEF. It is a single-center, randomized, open-label phase II clinical trial. The pathophysiology of congestion in heart failure is complex and multifactorial. In the REDICAE trial, volume status will be determined by biomarkers, echocardiography and bioelectrical impedance analysis. The patients enrolled in the study will be under contemporary guideline-directed medical therapy, including SGLT2 inhibitors. This trial is the largest prospective trial evaluating the clinical effects of diuretic discontinuation in HFrEF patients under contemporary pharmacological therapy for heart failure. REDICAE trial develops in Hospital Universitario Reina Sofía in Cordoba (Spain) ;
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