Comparative Pharmacology
Head-to-head clinical analysis: RAMIPRIL versus VASOTEC.
Peer-Reviewed Evidence
Head-to-head clinical analysis: RAMIPRIL versus VASOTEC.
RAMIPRIL vs VASOTEC
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Ramipril is a prodrug that is hydrolyzed in the liver to its active metabolite ramiprilat, which inhibits angiotensin-converting enzyme (ACE), thereby decreasing angiotensin II production, reducing vasoconstriction, aldosterone secretion, and sodium retention.
Enalaprilat, the active metabolite of enalapril, competitively inhibits angiotensin-converting enzyme (ACE), preventing conversion of angiotensin I to angiotensin II. This reduces vasoconstriction, aldosterone secretion, and sodium reabsorption, leading to decreased blood pressure and afterload.
Initial: 2.5 mg orally once daily; Maintenance: 2.5-20 mg/day in 1-2 divided doses; Maximum: 20 mg/day.
2.5 to 10 mg orally twice daily; initial dose 5 mg once daily; titrate based on blood pressure response; maximum 40 mg/day.
None Documented
None Documented
Clinical Note
moderateRamipril + Torasemide
"The risk or severity of adverse effects can be increased when Ramipril is combined with Torasemide."
Clinical Note
moderateRamipril + Etacrynic acid
"The risk or severity of adverse effects can be increased when Ramipril is combined with Etacrynic acid."
Clinical Note
moderateRamipril + Furosemide
"The risk or severity of adverse effects can be increased when Ramipril is combined with Furosemide."
Clinical Note
moderateRamipril + Bumetanide
Terminal half-life of ramiprilat is 13–17 hours (prolonged to 50 hours in renal impairment). Accumulation half-life is 110 hours after multiple doses.
Terminal half-life of enalaprilat is 35-38 hours, with multiple-dose half-life ~11 hours due to prolonged terminal phase; clinical context: once-daily dosing achieves steady-state in 3-4 days.
Primarily renal (60% as unchanged drug and metabolites) and fecal (40% via biliary elimination).
Renal: 60-70% as enalaprilat; fecal: 20-30% as enalaprilat; biliary: minor (<10%).
Category D/X
Category C
ACE Inhibitor
ACE Inhibitor
"The risk or severity of adverse effects can be increased when Ramipril is combined with Bumetanide."