from benazepril

What it isThe active metabolite of benazepril — the diacid that actually inhibits ACE.
Why it mattersHepatic esterases convert the ester prodrug benazepril to this molecule, responsible for essentially all its effect.
What it changesRenal clearance of this metabolite, not the parent, drives accumulation and dose adjustment in kidney disease.
NO BOXED WARNINGS
Open Benazeprilat in the interactive console ↗