Table 1.

Classification of ACE Inhibitor Therapy Dose Range (mg/day)

ACE Inhibitor Therapy	Low	Medium	High
Benazepril HCl *	5	6 to 19	20
Captopril †‡	38	39 to 149	150
Cilazapril *	1.25	1.26 to 4	5
Enalapril maleate †‡	5	6 to 19	20
Fosinopril sodium *	5	6 to 19	20
Lisinopril †	5	6 to 19	20
Perindopril erbumine *	2	3 to 7	8
Quinapril HCl †	10	11 to 39	40
Ramipril *	2.5	2.6 to 9	10

^*High doses based on the highest recommended maintenance dose in the Compendium of Pharmaceuticals and Specialties.²⁴

Analysis repeated for lisinopril high dose of 32.5 mg or greater and low dose 5 mg of less.

^†High dose based on the ACE inhibitor target doses recommended by the Agency for Health Care Policy and Research for the management of heart failure.²³

^‡High dose based on randomized controlled trial (RCT) evidence.

ACE, angiotensin-converting enzyme.