Patients (n) randomized to anti-hypertensive treatment Male/Female (n) Dosage (daily) Baseline seated BP (mmHg) Seated SBP/Seated DBP reduction (mmHg) % achieved BP target Study Reference
502 280/222 Placebo
OM 40 mg
HCTZ 25 mg
OM/HCTZ 40/25 mg
152.1/103.4
152.9/102.6
155.9/104.4
153.6/103.4
3.3/8.2
16.0/14.6
17.1/12.9
26.8/21.9
SeSBP<140 mmHg
33.3
60
67.4
87.2
[6]
1870 1143/727 OM/HCTZ 20/12.5 mg
OM/HCTZ 20/25 mg
OM/HCTZ 40/12,5 mg
OM/HCTZ 40/25 mg
155.8/97.2
153.3/96.8
154.1/97.6
153.9/97.3
11.6/8.0
17.2/10.5
13.9/9.2
17.3/11.2
NE [7]
278 63/74 Placebo
OM/HCTZ 40/25 mg
155.3/93.7
156.9/94.2
0.1/+0.8
22.3/12.1
SeBP< 140/90 mmHg
30.7
74.1
[9]
191 102/89 Benazepril/ amlodipine
20/10 mg OM/HCTZ 40/25 mg
169.6/101.4 167.0/101.7 26.5/N.R. 32.5/N.R. SeBP<140/90 mmHg
44.7
66.3
[11]
972 599/373 OM/HCTZ 40/25 mg 155.4/98.0 30.3/19.0 SeBP<140/90 mmHg
(<130/80 mmHg for T2DM)
42.1
[12]
176 92/84 OM/HCTZ 40/25 mg 165.5/87.7 25.4/10.5 SeBP<140/90 mmHg
67
[14]
Table 1: Antihypertensive efficacy of OM/HCTZ combination therapy: data from most relevant trials reviewed (6,7,9,11,12,14). BP: Blood Pressure; DBP: Diastolic Blood Pressure; HCTZ: Hydrochlorothiazide; NE: Not Evaluated; NR: Not Reported; OM, Olmesartan Medoxomil;SBP: Systolic Blood Pressure; T2DM: Type 2 Diabetes Mellitus.