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HypertensionPhase 3NCT00383929

Antihypertensive Efficacy and Safety of Candesartan/HCT 32/12.5 and 32/25 mg in Comparison With Candesartan 32 mg

A Phase 3 study testing Candesartan cilexetil and Hydrochlorothiazide in people with Hypertension, run by AstraZeneca at 132 sites in 11 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record

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Trial summary

In this study it is intended to compare the blood pressure lowering effect of the combination of candesartan cilexetil (candesartan) 32 mg and hydrochlorothiazide (HCT) 25 mg and the combination of candesartan 32 mg and HCT 12.5 mg to that of candesartan 32 mg alone in patients whose blood pressure is not well… Read more about this study

Who is it for?
Ages 20 to 80 years
Conditions the study is for
Hypertension
What is being tested?
Candesartan cilexetil and Hydrochlorothiazide
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
1,979 participants
Where
132 sitesin 11 countries
Study dates
Sep 2006to Oct 2007
Phase
Phase 3

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 20 to 80 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • 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, which the patient and the physician are willing to withdraw at enrolment and change to candesartan monotherapy
  • Mean sitting DBP 90-114 mmHg
  • Patients will be eligible for randomisation (Visit 4) if they fulfil the following criterion:
  • Mean sitting DBP 90-114 mmHg on treatment with candesartan 32 mg monotherapy (after 2 weeks with candesartan 16 mg and 6 weeks with candesartan 32 mg monotherapy). The run-in period should not be shorter than 8 weeks.

Who cannot join

  • Involvement in the planning and conduct of the study (applies to both AstraZeneca staff, CRO staff or staff at the investigational centre)
  • Pregnant or lactating women, or women of childbearing potential not practising an adequate method of contraception eg, intrauterine device, oral contraception or progesterone implant and verified by a negative pregnancy test at Visit 1
  • Secondary or malignant hypertension
  • Sitting SBP of 180 mmHg or more
  • Patients who are treated with candesartan 16 mg in combination with a diuretic or with candesartan 32 mg with or without any additional antihypertensive treatment
  • Myocardial infarction, stroke, coronary bypass surgery or transient ischaemic attack within 6 months before enrolment
Show all 23Show fewer
  • 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
  • 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
  • Chronic liver disease or known liver enzyme values above three times the upper limit of the reference range for S-ASAT or S-ALAT
  • Concomitant or previous treatment with other investigational drugs within 20 days of enrolment
  • Previous enrolment in the present study
  • S-creatinine of 180 μmol/l or above for men and of 140 μmol/l or above for women
  • S-sodium or S-potassium outside the reference range
  • Less than 85% compliance with study medication during the run-in phase

Trial locations and contacts

132 sites in 11 countries.

132 sites in 11 countries

Germany33 sites
  • Research Site

    Augsburg

  • Research Site

    Bad Krozingen

  • Research Site

    Bad Segeberg

  • Research Site

    Berlin

  • Research Site

    Bochum

  • Research Site

    Cloppenburg

  • Research Site

    Cologne

  • Research Site

    Dresden

  • Research Site

    Erlangen

  • Research Site

    Essen

  • Research Site

    Frankfurt

  • Research Site

    Goch

  • Research Site

    Großheirath

  • Research Site

    Hamburg

  • Research SIte

    Hann

  • Research Site

    Hermaringen

  • Research Site

    Herne

  • Research Site

    Karlsruhe

  • Research Site

    Kiel

  • Research Site

    Kippenheim

  • Research Site

    Künzing

  • Research Site

    Mannheim

  • Research Site

    München

  • Research Site

    Nuremberg

  • Research Site

    Riesa

  • Research Site

    Rodgau-dudenhofen

  • Research Site

    Schwerin

  • Research Site

    Siegen

  • Research Site

    Steinfurt

  • Research Site

    Straßkirchen

  • Research Site

    Tübingen

  • Research Site

    Werne

  • Research Site

    Witten

Other trials in Germany

United Kingdom20 sites
  • Research Site

    Addlestone

  • Research Site

    Ashford

  • Research Site

    Ayrshire

  • Research Site

    Burbage

  • Research Site

    Cheadle

  • Research Site

    Chesterfield

  • Research Site

    Coventry

  • Research Site

    Ely

  • Research Site

    FIFE

  • Research Site

    Glasgow

  • Research Site

    Harrow

  • Research Site

    Hastings

  • Research Site

    Helensburgh

  • Research Site

    Morriston

  • Research Site

    Motherwell

  • Research Site

    Newton Mearns

  • Research Site

    Northwood Middlesex

  • Research Site

    Paignton

  • Research Site

    Royal Leamington Spa

  • Research Site

    Wokingham

Other trials in United Kingdom

Netherlands19 sites
  • Research Site

    's-Gravenzande

  • Research Site

    's-Hertogenbosch

  • Research Site

    Bennebroek

  • Research Site

    Deurne

  • Research Site

    Echt

  • Research Site

    Ermelo

  • Research Site

    Hengelo

  • Research Site

    Hoogvliet

  • Research Site

    Lichtenvoorde

  • Research Site

    Losser

  • Research Site

    Musselkanaal

  • Research Site

    Oude Pekela

  • Research Site

    Rijswijk

  • Research Site

    Roelofarendsveen

  • Research Site

    Rotterdam

  • Research Site

    The Hague

  • Research Site

    Volendam

  • Research Site

    Woerden

  • Research Site

    Zaandam

Other trials in Netherlands

France14 sites
  • Research Site

    Albens

  • Research Site

    Arras

  • Research Site

    Béziers

  • Research Site

    Broglie

  • Research Site

    Chartres

  • Research Site

    Gémenos

  • Research Site

    Hinx

  • Research Site

    Husseren-Wesserling

  • Research Site

    Labarthe-sur-Lèze

  • Research Site

    Rosiers-d'Égletons

  • Research Site

    Seraincourt

  • Research Site

    Strasbourg

  • Research Site

    Tours

  • Research Site

    Vourey

Other trials in France

Poland11 sites
  • Research Site

    Chrzanów

  • Research Site

    Elblag

  • Research Site

    Gdansk

  • Research Site

    Gdynia

  • Research Site

    Katowice

  • Research Site

    Lodz

  • Research Site

    Oława

  • Research Site

    Płock

  • Research Site

    Poznan

  • Research Site

    Skierniewice

  • Research Site

    Szczecin

Other trials in Poland

Sweden9 sites
  • Research Site

    Boden

  • Research Site

    Gävle

  • Research Site

    Gothenburg

  • Research Site

    Linköping

  • Research Site

    Malmö

  • Research Site

    Motala

  • Research Site

    Örebro

  • Research Site

    Skellefteå

  • Research Site

    Uppsala

Other trials in Sweden

Denmark6 sites
  • Research Site

    Aalborg

  • Research Site

    Ballerup Municipality

  • Research Site

    Copenhagen

  • Research Site

    Frederiksberg

  • Research Site

    Herlev

  • Research Site

    Vejle

Other trials in Denmark

Ukraine6 sites
  • Research Site

    Chenoutsy

  • Research Site

    Dnipro

  • Research Site

    Kharkiv

  • Research Site

    Kyiv

  • Research Site

    Lviv

  • Research Site

    Odesa

Other trials in Ukraine

Lithuania5 sites
  • Research Site

    Kaunas

  • Research Site

    Klaipėda

  • Research Site

    Panevezys

  • Research Site

    Šiauliai

  • Research Site

    Vilnius

Other trials in Lithuania

Serbia and Montenegro5 sites
  • Research Site

    Belgrade

  • Research Site

    Nis

  • Research Site

    Niska Banja

  • Research Site

    Sremska Kamenica

  • Research Site

    Zemun

Other trials in Serbia and Montenegro

Estonia4 sites
  • Research Site

    Pärnu

  • Research Site

    Tallinn

  • Research Site

    Tartu

  • Research Site

    Võru

Other trials in Estonia

About this study

Official title: A Double Blind, Randomised, 3-Arm Parallel Group, Multicentre, 8-Week, Phase III Study to Assess Antihypertensive Efficacy and Safety of the Combination of Candesartan Cilexetil (CC) /HCT 32/12.5mg and 32/25mg vs. CC 32mg Alone in Patients With Inadequate BP Control on Monotherapy With CC 32mg

In this study it is intended to compare the blood pressure lowering effect of the combination of candesartan cilexetil (candesartan) 32 mg and hydrochlorothiazide (HCT) 25 mg and the combination of candesartan 32 mg and HCT 12.5 mg to that of candesartan 32 mg alone in patients whose blood pressure is not well controlled on candesartan 32 mg monotherapy. The Primary Objectives are to compare sitting BP lowering effect of candesartan/HCT 32/25 mg and candesartan/HCT 32/12.5 mg with that of candesartan 32 mg, respectively.

Conditions
Hypertension
Being tested
Candesartan cilexetil, Hydrochlorothiazide
Keywords
Blood pressure reduction, combination therapy, candesartan cilexetil, hydrochlorothiazide
Medical subject headings
Hypertension

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Candesartan cilexetilDrug

    Also called ATACAND

    32mg oral

  • HydrochlorothiazideDrug

    Also called HCTZ

    12.5 mg oral

  • HydrochlorothiazideDrug

    Also called HCTZ

    25 mg oral

Study groups in NCT00383929
Study groupRoleWhat they receive
1ExperimentalCandesartan Cilexetil (CC) /HCT 32/12.5mg
Receives: Drug: Candesartan cilexetil; Drug: Hydrochlorothiazide
2ExperimentalCandesartan Cilexetil (CC) /HCT 32/25mg
Receives: Drug: Candesartan cilexetil; Drug: Hydrochlorothiazide
3ExperimentalCandesartan Cilexetil monotherapy
Receives: Drug: Candesartan cilexetil

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change (reduction) in sitting BP (24 hours after dose)

    Measured: Assessed from baseline (randomisation) to the end of the study.

Secondary outcomes (2)
  1. Proportion of patients with controlled sitting BP in each treatment group

    Measured: Assessed at the end of the study

  2. Occurrence of Adverse Events and discontinuation of study medication due to AEs from baseline (randomisation) to the end of the study

    Measured: Assessed from baseline (randomisation) to the end of the study.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted4 Oct 2006 (estimated)
  2. Study startSep 2006
  3. Primary completionAug 2007
  4. Study completionOct 2007

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
1,979 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00383929
Sponsor's protocol ID
D2456C00001
Other IDs
Eudract No. 2005-005718-19
Status last verified
Mar 2008
First submitted
3 Oct 2006
Last updated
20 Mar 2008
Results posted
No

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