COMMON BRAND NAME(S): Micardis
GENERIC NAME(S): TELMISARTAN
Description: Telmisartan is a nonpeptide AT1 angiotensin II receptor antagonist. It exerts antihypertensive activity by inhibiting the vasoconstricting and aldosterone-secreting effects of angiotensin II.
Onset: 1-2 hr.
Duration: Up to 24 hr.
Pharmacokinetics:
Absorption: Rapidly absorbed from the GI tract. Food may slightly decrease the bioavailability. Absolute bioavailability: Dose-dependent (approx 42% after 40-mg dose; 58% after 160-mg dose). Time to peak plasma concentration: Approx 0.5-1 hr.
Distribution: Volume of distribution: 500 L. Plasma protein binding: >99%.
Metabolism: Undergoes conjugation w/ glucuronic acid to form inactive metabolites.
Excretion: Via faeces (97%, as unchanged drug). Terminal elimination half-life: Approx 24 hr.