Combination of Olmesartan and Hydrochlorothiazide in Essential Hypertension
Efficacy and Safety of Olmesartan Medoxomil/Hydrochlorothiazide Combination 20/25 mg Versus 40/25 mg in Moderately to Severely Hypertensive Patients Not Adequately Controlled by Olmesartan Medoxomil 40 mg Monotherapy
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 3
Contacts and Locations
Study Locations
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Brugge, Belgium
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Brussels, Belgium
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Drongen, Belgium
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Godinne, Belgium
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Mouscron, Belgium
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Wetteren, Belgium
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Berlin, Germany
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Dortmund, Germany
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Essen, Germany
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Frankfurt, Germany
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Goch, Germany
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Hamburg, Germany
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Kallstadt, Germany
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Karlsruhe, Germany
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Kassel, Germany
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Magdeburg, Germany
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Marburg, Germany
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Muenchen, Germany
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Wiesbaden, Germany
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Wuppertal, Germany
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Alphen aan den Rijn, Netherlands
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Amsterdam Zuidoost, Netherlands
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Andijk, Netherlands
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De Bilt, Netherlands
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Den Bosch, Netherlands
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Den Haag, Netherlands
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Ewijk, Netherlands
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Heerlen, Netherlands
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Hengelo, Netherlands
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Landgraaf, Netherlands
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Nijmegen, Netherlands
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Oud-Beijerland, Netherlands
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Ridderkerk, Netherlands
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Wildervank, Netherlands
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Zwijndrecht, Netherlands
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Bratislava, Slovakia
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Levice, Slovakia
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Lucenec, Slovakia
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Nitra, Slovakia
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Nove Zamky, Slovakia
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Vrable, Slovakia
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Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male or female Europeans aged 18 years or older with moderate to severe HTN, defined as follows (conventional BP measurements)
Exclusion Criteria:
- Female patients of childbearing potential pregnant, lactating or planning to become pregnant during the trial period.
- Patients with serious disorders which may limit the ability to evaluate the efficacy or safety of the study medication, including cerebrovascular, cardiovascular, renal, respiratory, hepatic, gastrointestinal, endocrine or metabolic, haematological or oncological, neurological and psychiatric diseases.
Patients having a history of the following within the last six months:
- myocardial infarction,
- unstable angina pectoris,
- percutaneous coronary intervention,
- severe heart failure,
- hypertensive encephalopathy, cerebrovascular accident (stroke) or
- transient ischaemic attack.
- Patients with clinically significant abnormal laboratory values at screening.
- Patients with secondary HTN.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: 1
olmesartan medoximil (OM)/ hydrochlorothiazide (HCTZ) 40/25 mg + OM/HCTZ 20/25 mg matching placebo
|
olmesartan medoxomil (OM)+ hydrochlorothiazide (HCTZ)tablets 40mg/25mg + 20mg/25mg matching placebo tablets once daily for 8 weeks
|
|
Experimental: 2
olmesartan medoximil (OM)/ hydrochlorothiazide (HCTZ)20/25 mg + OM/HCTZ 40/25 matching placebo
|
olmesartan medoxomil (OM)/hydrochlorothiazide (HCTZ)20mg/25mg tablet + 40mg/25mg matching placebo tablet once a day for 8 weeks
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Change in Mean Trough Sitting Diastolic Blood Pressure
Time Frame: 8 weeks
|
Change in mean trough sitting diastolic Blood Pressure between OM/HCTZ 20/25 mg vs. 40/25 mg, in those patients inadequately controlled on OM 40 mg monotherapy, after eight weeks of double blind treatment, as compared to baseline. Change = Week 16 - Week 8 (baseline). |
8 weeks
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Change in Mean Trough Sitting Diastolic Blood Pressure From Week 8(Baseline) to Week 12
Time Frame: 4 weeks
|
Change = Week 12 - Week 8 (baseline).
|
4 weeks
|
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Change in Sitting Systolic Blood Pressure 4 Weeks and 8 Weeks After Baseline.
Time Frame: 8 weeks
|
4 weeks Change = Week 12 - Week 8 (baseline).
8 weeks Change = Week 16 - Week 8 (baseline).
|
8 weeks
|
|
Change in Daytime, Nighttime and 24-hour Blood Pressure Evaluated by Ambulatory Blood Pressure Monitoring 8 Weeks After Baseline.
Time Frame: 8 weeks
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Change = Week 16 - Week 8 (baseline).
|
8 weeks
|
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Number of Participants Achieving Blood Pressure Goal.
Time Frame: 8 weeks
|
8 weeks
|
Collaborators and Investigators
Sponsor
Sponsor
Collaborators
Collaborators
Investigators
Investigators
- Study Chair: Professor Lars Christian Rump, M.D., University of Ruhr-Bochum
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Cardiovascular Diseases
- Vascular Diseases
- Hypertension
- Essential Hypertension
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Antihypertensive Agents
- Natriuretic Agents
- Membrane Transport Modulators
- Diuretics
- Angiotensin II Type 1 Receptor Blockers
- Angiotensin Receptor Antagonists
- Sodium Chloride Symporter Inhibitors
- Olmesartan
- Olmesartan Medoxomil
- Hydrochlorothiazide
Other Study ID Numbers
Other Study ID Numbers
- CS866CM-B-E302
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- Study Protocol
- Statistical Analysis Plan (SAP)
- Informed Consent Form (ICF)
- Clinical Study Report (CSR)
- Analytic Code
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