Comparative Pharmacology
Head-to-head clinical analysis: INDERIDE LA 80 50 versus MICROZIDE.
Peer-Reviewed Evidence
Head-to-head clinical analysis: INDERIDE LA 80 50 versus MICROZIDE.
INDERIDE LA 80/50 vs MICROZIDE
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Combination of propranolol (non-selective beta-blocker) and hydrochlorothiazide (thiazide diuretic). Propranolol blocks beta-1 and beta-2 adrenergic receptors, reducing heart rate, myocardial contractility, and blood pressure. Hydrochlorothiazide inhibits sodium-chloride symporter in distal convoluted tubule, increasing excretion of sodium, chloride, and water, reducing plasma volume.
Inhibits the sodium-chloride symporter (NCC) in the distal convoluted tubule of the nephron, reducing reabsorption of sodium and chloride, leading to increased excretion of water and electrolytes, and a decrease in blood volume and peripheral vascular resistance.
One capsule orally once daily, containing propranolol hydrochloride 80 mg (immediate release) and hydrochlorothiazide 50 mg. May be titrated based on response, with maximum propranolol dose 640 mg/day and maximum hydrochlorothiazide dose 50 mg/day.
12.5-25 mg orally once daily for hypertension; 25-100 mg orally once daily for edema.
None Documented
None Documented
Propranolol: 3-6 hours (poor metabolizers up to 10 hours). Hydrochlorthiazide: 6-15 hours (prolonged in renal impairment).
Terminal elimination half-life: 8-12 hours (prolonged in renal impairment; up to 30 hours in severe insufficiency).
Renal elimination of propranolol and hydrochlorthiazide: propranolol is extensively metabolized in the liver, <1% excreted unchanged in urine; hydrochlorthiazide is excreted unchanged in urine (≥95% renal).
Primarily renal (approximately 70% unchanged drug; remainder as metabolites and conjugates); minimal biliary/fecal (<10%).
Category C
Category C
Beta Blocker and Thiazide Diuretic
Thiazide Diuretic