heart failure pharmacology

Mechanism of Action of Carvedilol

April 10, 2026December 8, 2025 Pharmacy Freak Editorial Team Harsh Singh Rajput

Introduction Carvedilol is a nonselective beta-blocker with additional alpha-1 blocking activity. It is widely used in heart failure, hypertension, ischemic heart disease, and for reducing mortality post-myocardial infarction. Unlike traditional beta-blockers, carvedilol provides combined beta-blockade, alpha-blockade, antioxidant properties, and anti-remodeling effects, making it a cornerstone therapy in chronic heart failure. The Mechanism of Action of … Read more

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