Neprilysin Inhibitor - Pharmacy Freak

Mechanism of Action of ARNI (Angiotensin Receptor–Neprilysin Inhibitor)

April 10, 2026November 11, 2025 Pharmacy Freak Editorial Team Harsh Singh Rajput

Introduction ARNI (Angiotensin Receptor–Neprilysin Inhibitor) represents a major advancement in the treatment of heart failure with reduced ejection fraction (HFrEF). The most widely used ARNI is the fixed-dose combination Sacubitril/Valsartan, marketed as Entresto. Mechanism of Action of ARNI involves dual inhibition of the renin–angiotensin–aldosterone system (RAAS) and the neprilysin (neutral endopeptidase) pathway. This unique mechanism … Read more

Mechanism of Action of Entresto (Sacubitril/Valsartan)

July 1, 2025 Pharmacy Freak Editorial Team Harsh Singh Rajput

Introduction Entresto is a combination drug containing sacubitril, a neprilysin inhibitor, and valsartan, an angiotensin II receptor blocker (ARB). It’s primarily used for the treatment of heart failure with reduced ejection fraction (HFrEF). The combination enhances natriuretic peptide levels while blocking deleterious effects of angiotensin II, working synergistically to reduce mortality and hospitalizations in heart … Read more