Comparative Pharmacology
Head-to-head clinical analysis: COREG versus ESMOLOL HYDROCHLORIDE.
Peer-Reviewed Evidence
Head-to-head clinical analysis: COREG versus ESMOLOL HYDROCHLORIDE.
COREG vs ESMOLOL HYDROCHLORIDE
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Carvedilol is a nonselective beta-blocker with alpha1-blocking activity. It competitively blocks beta1, beta2, and alpha1 adrenergic receptors, leading to decreased cardiac output, reduced sympathetic tone, and vasodilation. It also has antioxidant and anti-proliferative properties.
Selective beta-1 adrenergic receptor antagonist; reduces heart rate, contractility, and blood pressure by blocking catecholamine effects at beta-1 receptors.
Heart failure: Start 3.125 mg orally twice daily; titrate up to target 25 mg twice daily as tolerated. Hypertension: Start 6.25 mg orally twice daily; increase to max 50 mg twice daily. Post-MI LV dysfunction: Start 3.125-6.25 mg orally twice daily; titrate to target 25 mg twice daily.
Loading dose: 500 mcg/kg IV over 1 minute, followed by maintenance infusion of 50 mcg/kg/min; titrate by 25-50 mcg/kg/min every 5-10 minutes up to 200 mcg/kg/min.
None Documented
None Documented
Terminal elimination half-life is 7-10 hours in most patients, but may be prolonged in severe hepatic impairment (up to 14-18 hours). The half-life is not significantly altered in renal impairment.
Terminal elimination half-life: approximately 9 minutes in adults (range 4–13 min); in patients with hepatic impairment: unchanged; in severe renal impairment: prolonged to 12–20 min due to metabolite accumulation. Clinically, rapid offset (within 20–30 min) allows for titration.
Renal excretion of unchanged drug and metabolites accounts for approximately 16% of the dose; fecal excretion accounts for about 84% (mainly as metabolites). Less than 2% is excreted unchanged in urine.
Rapid metabolism by red blood cell esterases to inactive acid metabolite (ASL-8123) and methanol; <2% excreted unchanged in urine; primarily renal elimination of metabolites.
Category C
Category A/B
Beta-Blocker
Beta-Blocker