Perindopril belongs to a group of medicines called angiotensin converting enzyme (ACE) inhibitors. Indapamide belongs to a group of medicines called diuretics (a type of "water" tablet).

Although both groups of drugs lower blood pressure, studies of the ACE inhibitor perindopril have revealed preservation of beneficial vascular and endothelial effects mediated by bradykinin and ...

In this study the definition of achieving the goal required the 24-hour ambulatory blood pressure to be ≤140/90mm Hg, with a minimum fall of 10mm Hg in 24-hour systolic blood pressure.