Antihypertensive Efficacy and Safety of Candesartan/HCT 32/25 mg in Comparison With Individual Components and Placebo

NCT ID: NCT00434967

Last Updated: 2010-12-16

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

2207 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-01-31

Study Completion Date

2008-01-31

Brief Summary

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The aim is to compare the blood pressure lowering effect of the combination of candesartan cilexetil (candesartan) 32 mg and hydrochlorothiazide (HCT) 25 mg to that of candesartan 32 mg alone, HCT 25 mg alone and placebo in hypertensive adults.

Detailed Description

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Conditions

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Hypertension

Keywords

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Blood pressure reduction combination therapy candesartan cilexetil hydrochlorothiazide

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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4

Placebo

Group Type NO_INTERVENTION

No interventions assigned to this group

2

Candesartan cilexetil

Group Type ACTIVE_COMPARATOR

Candesartan cilexetil

Intervention Type DRUG

32 mg oral tablet

3

Hydrochlorothiazide (HCT)

Group Type ACTIVE_COMPARATOR

Hydrochlorothiazide

Intervention Type DRUG

25 mg oral tablet

1

Candesartan cilexetil + Hydrochlorothiazide Combination

Group Type EXPERIMENTAL

Candesartan cilexetil

Intervention Type DRUG

32 mg oral tablet

Hydrochlorothiazide

Intervention Type DRUG

25 mg oral tablet

Candesartan/HCT 32/25 mg

Intervention Type DRUG

Interventions

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Candesartan cilexetil

32 mg oral tablet

Intervention Type DRUG

Hydrochlorothiazide

25 mg oral tablet

Intervention Type DRUG

Candesartan/HCT 32/25 mg

Intervention Type DRUG

Other Intervention Names

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ATACAND HCTZ

Eligibility Criteria

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Inclusion Criteria

* Patients will be eligible for enrolment into the study (Visit 1) if they fulfil all of the following criteria:
* Provision of signed Informed Consent
* Primary hypertension, untreated or treated with a maximum of 2 antihypertensive drugs (substances), which the patient and the physician are willing to withdraw at enrolment and replace with placebo.
* Mean sitting DBP 90-114 mmHg (value calculated in the eCRF) at Visits 1 and 2
* Patients will be eligible for randomisation (Visit 4) if they fulfil the following criterion:
* Mean sitting DBP of 90-114 mmHg (value calculated in the eCRF) at the end of the 4-week single-blind placebo run-in period. The run-in period should not be shorter than 4 weeks.

Exclusion Criteria

* Pregnant or lactating women, or women of childbearing potential not practising an adequate method of contraception eg, intrauterine device, oral contraception or progesterone implant. Pregnancy must be excluded by a negative pregnancy test at Visit 1.
* Secondary or malignant hypertension
* Sitting SBP of 180 mmHg or more
* Myocardial infarction, stroke, coronary bypass surgery or transient ischaemic attack within 6 months before enrolment
* Angina pectoris requiring more treatment than short-acting nitrates
* Chronic use of NSAIDs
* Aortic or mitral valve stenosis
* Cardiac failure requiring treatment
* Cardiac arrhythmia requiring treatment
* Gout
* Renal artery stenosis or kidney transplantation
* Intravascular volume depletion
* Hypersensitivity to any component of the investigational products or to any sulphonamide derived drugs
* Concomitant disease which may interfere with the assessment of the patient
* Past or present alcohol or drug abuse, or any condition associated with poor compliance that in the opinion of the investigator might affect the patient's participation in the study
* Chronic liver disease
* Concomitant or previous treatment with any other investigational drug within 20 days of enrolment
* Previous enrolment in the present study
Minimum Eligible Age

20 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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AstraZeneca

INDUSTRY

Sponsor Role lead

Principal Investigators

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Michael Klibaner, MD

Role: STUDY_DIRECTOR

AstraZeneca

Istvan Edes, MD

Role: PRINCIPAL_INVESTIGATOR

DEOEC Institute of Cardiology

Locations

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Research Site

Dour, , Belgium

Site Status

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Gozée, , Belgium

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Hasselt, , Belgium

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Linkebeek, , Belgium

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Marchovelette, , Belgium

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Ronquières, , Belgium

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Saint-Médard, , Belgium

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Steenokkerzel, , Belgium

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Daugavpils, , Latvia

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Ogre, , Latvia

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Riga, , Latvia

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Gozo, , Malta

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Gwardiamangia, , Malta

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Arad, , Romania

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Bucharest, , Romania

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Iași, , Romania

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Piteşti, , Romania

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Ploieşti, , Romania

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Târgovişte, , Romania

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Timișoara, , Romania

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Moscow, , Russia

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Saint Petersburg, , Russia

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Bratislava, , Slovakia

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Levice, , Slovakia

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Lučenec, , Slovakia

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Prešov, , Slovakia

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Šahy, , Slovakia

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Countries

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Belgium Latvia Malta Romania Russia Slovakia

Other Identifiers

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EudraCT No. 2006-003963-30

Identifier Type: -

Identifier Source: secondary_id

D2456C00002

Identifier Type: -

Identifier Source: org_study_id