Review Article

The Role of Angiotensin Antagonism in Coronary Plaque Regression: Insights from the Glagovian Model

Table 1

Coronary plaque modulation in the trials with angiotensin inhibitors.

Clinical trial, yearDesign (follow-up length)InterventionSubjects (no. of subjects)EndpointsBaselineFollow-upNominal changeChange percentage of TAV and PAV (%)
Total atheroma volume (mm3)Percent atheroma volume (%)Total atheroma volume (mm3)Percent atheroma volume (%)

OLIVUS [37] (2010)Prospective randomized (14 months)Olmesartan 10,20,or 40 mg/d vs. placebo (±BB, CCB, diuretic, nitrate, statin, antiglycemic)Stable angina with native CAD (247 subjects)TAV, PAV, vessel, volume, BP, MACE
(OL) (placebo)

(OL)
(placebo)

(OL)
(placebo)

(OL)
(placebo)
TAV
(mm3) -2.6 (OL) vs.7.1
(placebo) ()
PAV (%) -0.1 (OM) vs. 1.1 (placebo) ()
TAV
0.6 (OL) vs.5.4 (placebo)
()
PAV
-0.7 (OM) vs. 3.1 (placebo) ()
PERSPECTIVE [39]
(2007)
Prospective, double blind, randomized, multicentre (3 years)Perindopril
8 mg/d vs. placebo (±BB, CCB, nitrate, lipid lowering agents, antiplatelet)
Stable CAD (history of MI, revascularization, angiographically significant coronary stenosis) without clinical evidence of HF (118 subjects)CSA of vessel, lumen, and plaque; PAVNA (PE)

(placebo)
NA (PE)
(placebo)
PAV (%) -0.48 (PE) vs. -0.47 (placebo) ()NA
Ishii et al. [38]
(2013)
Prospective, randomized, multicentre (6 months)Olmesartan 20 mg/d vs. valsartan 80 mg/d (±BB, CCB, statins, antiglycemic)Stable angina pectoris, already on statin for >8weeks before PCI (94 subjects)TAV, PAV, vessel, and lumen volume (OL) (VAL) (OL)
(VAL)
(OL)
(VAL)
(OL)
(VAL)
TAV -4.7 (OL)
vs. -4.8
(VAL)
()
PAV
-2.5 (OL) vs. -2.8 (VAL)
()
NA
Han et al. [40] (2012)Prospective, randomized (9-12 months)Rosuvastatin 20 mg/d vs. rosuvastatin 20 mg/d + ramipril 10 mg/d (±BB, CCB, nitrate, antiplatelet, antiglycemic)Stable intermediate de novo CAD without statin therapy within 2 months (40 subjects)TAV, PAV, EEM volume, lipid parameter, biomarkers (ROS) (ROS + RAM) (ROS) (ROS + RAM) (ROS) (ROS + RAM) (ROS) (ROS + RAM)NANo significant difference of TAV and PAV change percentage between the two groups (, p, respectively)
Yamaguchi et al. [41]
(2014)
Prospective, randomized (6 months)Telmisartan 80 mg/d vs. other antihypertensive agents (CCB or BB)Stable angina with HT, already on statin for >6 months (50 subjects)TAV, PAV, vessel and lumen area, fibrous volume, calcified volume (TEL) (control) (TEL) (control) (TEL) (control) (TEL) (control)NAPAV
-6.5 (TEL) vs. -1.1 (control) ()