Intervention: Olmesartan
Trial phase: Phase 2
ATC code: C09CA08 | C09DA08 | C09DB02 | C09DX03
SMILES: CCCc1nc(C(C)(C)O)c(C(=O)O)n1Cc1ccc(-c2ccccc2-c2nnn[nH]2)cc1
Sex: All
Age groups: Adult | Older Adult
Healthy volunteers: No
Participants at risk: 63
Group description: Olmesartan 20 mg and comparator matching placebo tablets, orally, once daily for up to 8 weeks.
Eligibility criteria:
Inclusion Criteria

Mild to moderate uncomplicated essential hypertension.
Females of childbearing potential who are sexually active must agree to use adequate contraception, and can neither be pregnant nor lactating from Screening throughout the duration of the study.
Must be in good health as determined by a physician.
The subject has clinical laboratory evaluations within the reference range for the testing laboratory unless the results are deemed not clinically significant by the investigator or sponsor.
The subject is willing to discontinue current antihypertensive medications at Screening Day minus 21.

Exclusion Criteria

Diastolic blood pressure less than 95 or greater than 114 mmHg at Placebo Run-in Day minus 14 or Randomization visit, or systolic blood pressure greater than 180 mm Hg.
Decrease of more than or equal to 8 mm Hg in clinic diastolic blood pressure between Placebo Run-in Day minus 14 and Randomization visit.
Has taken within 7 days prior to placebo run-in, or is expected to take medications known to affect blood pressure and is required to take or continues taking any disallowed medication, prescription medication, herbal treatment or over-the counter medication that may interfere with evaluation of the study medication, including:
Hypersensitive to angiotensin II receptor blockers.
History of an acute myocardial infarction within 12 months prior to Screening, history of coronary revascularization within 6 months prior to Screening, or any history of heart failure, post-myocardial infarction angina, hypertensive encephalopathy, cerebrovascular accident, or transient ischemic attack.
Clinically significant cardiac conduction defects (eg, 3rd degree atrioventricular block, left bundle branch block, atrial fibrillation or flutter).
Secondary hypertension of any etiology.
Upper arm circumference less than 24 or greater than 42 cm.
Works night (3rd) shift (defined as 11pm to 7am).
Non-compliant (less than 80%) with study medication during Placebo Run-in period.
Significant, moderate to severe renal dysfunction (confirmed by serum creatinine of greater than 2 mg per dl or disease (including renal artery stenosis or known nephrotic proteinuria).
History of drug abuse (defined as illicit drug use) or a history of alcohol abuse (defined as regular or daily consumption of more than 4 alcoholic drinks per day) within the past 2 years.
Previous history of cancer that has not been in remission for at least 5 years prior to the first dose of study drug. (This criterion does not include those subjects with basal cell or Stage 1 squamous cell carcinoma of the skin).
Type 1 or uncontrolled type 2 diabetes mellitus (confirmed by glycosylated hemoglobin greater than 9.5%).
Alanine transaminase level of greater than 2.5 times the upper limit of normal, active liver disease, or jaundice.
Currently is participating in another investigational study or has participated in an investigational study within 30 days prior to randomization.
Any other serious disease or condition at Screening (or randomization) that would compromise subject safety, might affect life expectancy, or make it difficult to successfully manage and follow the subject according to the protocol.