Olmesartan on Ambulatory Blood Pressure Change
Phase 4 Study on Olmesartan, an Angiotensin Receptor Blocker, on Ambulatory Blood Pressure Change, Vitamin D Levels and Urinary Sodium Excretion of Patients With Hypertension
1 other identifier
observational
100
1 country
1
Brief Summary
We will conduct an open label, non-comparative, observational study to evaluate the efficacy, safety and tolerability of Olmesartan therapy in Taiwan patients with essential hypertension, and the primary objective is the change in the 24-hour mean systolic blood pressure from baseline to the day after post-treatment week-12 visit according to the ambulatory blood pressure monitoring.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for all trials
1 active site
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Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 1, 2009
CompletedFirst Posted
Study publicly available on registry
March 3, 2009
CompletedStudy Start
First participant enrolled
April 1, 2009
CompletedMarch 3, 2009
February 1, 2009
March 1, 2009
March 1, 2009
Conditions
Outcome Measures
Primary Outcomes (1)
The primary objective is the change in the 24-hour mean systolic blood pressure from baseline to the day after post-treatment week-12 visit according to the ambulatory blood pressure monitoring.
12 weeks
Secondary Outcomes (1)
Change in the 24-hour mean diastolic blood pressure from baseline to the day after post-treatment week-12 visit
12 weeks
Study Arms (1)
Hypertension
Interventions
Eligibility Criteria
200 patients with hypertension who received an angiotensin receptor antagonist, Olmesartan, for 12 weeks' treatment
You may qualify if:
- Male or female, 18 years of age or over.
- naïve patients with Stage I\*\* or Stage II\*\* (JNC VII) essential hypertension or patients uncontrolled on current hypotensive drug therapy (in cuff BP\>140/90mm Hg)
- All selected patients must give their written informed consent before recording their personal data
You may not qualify if:
- Subject with secondary form of hypertension
- Subject is being treated or with unstable condition for disease of myocardial infarction, clinically decompensated congestive heart failure, angina pectoris, sick sinus syndrome, second or third degree atrioventricular block
- Subject with history of hypertensive encephalopathy, grade 3 or 4 hypertensive retinopathy within 3 months before entering this trial
- Subjects with a cerebrovascular accident within 6 months before entering this trial
- Subject with auto-immune disease
- Subject with uncontrolled endocrine diseases, such as Hyperthyroidism, Hypothyroidism, Hypercorticism and Hypocorticism
- Subject with confirmed evidence of renal impairment (creatinine \> 1.5 x upper limit of normal)
- Subject with hyperkalemia with serum potassium \> 5.5 meq/L
- Subject with terminal stage of malignant disease
- Subject with substance abuse history
- Subject with gastrointestinal disease which can interfere the absorption of the oral medications
- Subject with any contraindication to the use of angiotensin II receptor blocker or calcium channel blocker
- Subject is pregnant or lactating
- Premenopausal subjects not taking reliable methods for contraceptives
- Subject with any other serious disease considered by the investigator not in the condition to enter the trial
- +2 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
National Taiwan University Hospital
Taipei, 100, Taiwan
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Kuo-Liong Chien, MD, PhD
Institute of Preventive Medicine, College of Public Health, National Taiwan University
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
Study Record Dates
First Submitted
March 1, 2009
First Posted
March 3, 2009
Study Start
April 1, 2009
Last Updated
March 3, 2009
Record last verified: 2009-02