Use of the Combination of Olmesartan and Hydrochlorothiazide in Essential Hypertension
Efficacy and Safety of Hydrochlorothiazide (HCTZ) Used as Add-on Therapy in Moderately to Severely Hypertensive Patients Not Adequately Controlled by Olmesartan Medoxomil (OM) 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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Pleven, Bulgaria
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Sofia, Bulgaria
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Beroun, Czechia
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Brno, Czechia
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Chrudim, Czechia
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Hradec Kralove, Czechia
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Jindrichuv Hradec, Czechia
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Kutna Hora, Czechia
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Ostrava, Czechia
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Pardubice, Czechia
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Plzen, Czechia
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Prague, Czechia
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Pribram, Czechia
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Revnice, Czechia
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Sokolov, Czechia
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Trutnov, Czechia
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Langres, France
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Paris, France
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Pessac, France
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Berlin, Germany
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Bochum, Germany
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Dietzenbach, Germany
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Franfurt, Germany
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Friedberg, Germany
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Ingelheim, Germany
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Karlsbad, Germany
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Leipzig, Germany
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Offenbach, Germany
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Siegen, Germany
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Stuhr-Brinkum, Germany
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Elblag, Poland
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Gdansk, Poland
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Inowroclaw, Poland
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Katowice, Poland
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Krakow, Poland
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Linia, Poland
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Lodz, Poland
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Olawa, Poland
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Poznan, Poland
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Warszawa, Poland
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Wroclaw, Poland
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Zamosc, Poland
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Girona, Spain
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Granada, Spain
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Madrid, Spain
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Oviedo, Spain
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Dnepropetrovsk, Ukraine
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Donetsk, Ukraine
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Kharkiv, Ukraine
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Kiev, Ukraine
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Lviv, Ukraine
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Odessa, Ukraine
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Uzhgorod, Ukraine
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Vinnytsia, Ukraine
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Zaporizhzhya, Ukraine
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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 hypertension (HTN)
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 |
|---|---|
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Experimental: 4
olmesartan medoxomil (OM) /hydrochlorothiazide (HCTZ) Tablet 40mg/0mg + 20mg/12.5mg
matching placebo tablet once daily for 8 weeks
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olmesartan medoxomil (OM)/hydrochlorothiazide (HCTZ) Tablet 40mg/0mg + 20mg/12.5mg
matching placebo tablet once daily for 8 week
|
|
Experimental: 1
olmesartan medoxomil (OM) /hydrochlorothiazide (HCTZ) tablets 40mg/25mg + 20mg/12.5mg
matching placebo tablet once daily for 8 weeks
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olmesartan medoxomil (OM)/hydrochlorothiazide (HCTZ) tablets 40mg/25mg + 20mg/12.5mg
matching placebo tablet once daily for 8 weeks
olmesartan medoxomil (OM)/hydrochlorothiazide (HCTZ) tablets 20mg/12.5mg
+ 40mg/0mg matching placebo tablet once daily for 8 weeks
|
|
Experimental: 3
olmesartan medoxomil (OM)/hydrochlorothiazide (HCTZ) tablets 20mg/12.5mg
+ 40mg/0mg matching placebo tablet once daily for 8 weeks
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olmesartan medoxomil (OM)/hydrochlorothiazide (HCTZ) tablets 40mg/25mg + 20mg/12.5mg
matching placebo tablet once daily for 8 weeks
olmesartan medoxomil (OM)/hydrochlorothiazide (HCTZ) tablets 20mg/12.5mg
+ 40mg/0mg matching placebo tablet once daily for 8 weeks
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Experimental: 2
olmesartan medoxomil (OM)/hydrochlorothiazide (HCTZ) tablets 40mg/12.5mg
+ 20mg/12.5mg
matching placebo tablet once daily for 8 weeks
|
olmesartan medoxomil (OM)/hydrochlorothiazide (HCTZ) tablets 40mg/12.5mg
+ 20mg/12.5mg
matching placebo tablet once daily 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 From Week 8(Baseline) to Week 16
Time Frame: 8 weeks, change = week 16 - week 8
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Change = Week 16 - Week 8 (baseline).
|
8 weeks, change = week 16 - week 8
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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
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Change = Week 12 - Week 8 (baseline).
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4 weeks, change = week 12 - week 8
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Change in Mean Trough Sitting Systolic Blood Pressure From Week 8(Baseline) to Week 16.
Time Frame: 8 weeks, change = week 16 - week 8
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Change = Week 16 - Week 8 (baseline).
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8 weeks, change = week 16 - week 8
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Change in Mean Trough Sitting Systolic Blood Pressure From Week 8(Baseline) to Week 12.
Time Frame: 4 weeks, change = week 12 - week 8
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Change = Week 12 - Week 8 (baseline).
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4 weeks, change = week 12 - week 8
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Number of Patients Achieving Target Blood Pressure at Week 16
Time Frame: 8 weeks
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Target Blood Pressure is diastolic blood pressure (dBP) < 90 mmHg and systolic blood pressure (sBP) < 140 mmHg for non-diabetics, and dBP < 80 mmHg and sBP < 130 mmHg for diabetics
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8 weeks
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Change in Mean 24-hour Ambulatory Blood Pressure Monitoring Diastolic Blood Pressure From Week 8(Baseline) to Week 16.
Time Frame: 8 weeks, change = week 16 - week 8
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Change = Week 16 - Week 8 (baseline).
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8 weeks, change = week 16 - week 8
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Change in Mean Daytime Ambulatory Blood Pressure Monitoring Diastolic Blood Pressure From Week 8(Baseline) to Week 16.
Time Frame: 8 weeks, change = week 16 - week 8
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Change = Week 16 - Week 8 (baseline).
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8 weeks, change = week 16 - week 8
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Change in Mean Night-time Ambulatory Blood Pressure Monitoring Diastolic Blood Pressure From Week 8(Baseline) to Week 16.
Time Frame: 8 weeks, change = week 16 - week 8
|
Change = Week 16 - Week 8 (baseline).
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8 weeks, change = week 16 - week 8
|
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-E301
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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