NCT00670787

Brief Summary

The purpose of the study is to determine whether combination pill of losartan potassium and hydrochlorothiazide will improve medication compliance among patients with high blood pressure.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
207

participants targeted

Target at P25-P50 for phase_3 hypertension

Timeline
Completed

Started Jun 2008

Typical duration for phase_3 hypertension

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

April 30, 2008

Completed
2 days until next milestone

First Posted

Study publicly available on registry

May 2, 2008

Completed
1 month until next milestone

Study Start

First participant enrolled

June 1, 2008

Completed
2.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2010

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2011

Completed
Last Updated

March 7, 2011

Status Verified

March 1, 2011

Enrollment Period

2.4 years

First QC Date

April 30, 2008

Last Update Submit

March 4, 2011

Conditions

Keywords

Hypertensioncombination pillcompliance

Outcome Measures

Primary Outcomes (1)

  • Medication compliance

    6 months

Secondary Outcomes (5)

  • Blood pressure

    6 months

  • cost of blood pressure lowering drugs

    6 months

  • serious adverse events

    6 months

  • adverse events

    6 months

  • blood test

    6 months

Study Arms (2)

Combination pill

ACTIVE COMPARATOR

Combination pill of losartan potassium 50mg and hydrochlorothiazide 12.5mg in the morning

Drug: Combination pill of losartan and hydrochlorothiazide

Control group

NO INTERVENTION

combination therapy of angiotensin receptor antagonists (losartan potassium 50mg, candesartan 8mg, valsartan 80mg, telmisartan 40mg or olmesartan 20mg) and thiazide or thiazide-like diuretics (hydrochlorothiazide 6.25-12.5mg, trichlormethiazide 0.5-1.0mg, indapamide 0.5-1.0mg or chlorthalidone 6.25-12.5mg)

Interventions

Combination pill of losartan potassium 50mg and hydrochlorothiazide 12.5mg in the morning

Also known as: Preminent
Combination pill

Eligibility Criteria

Age20 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Aged 20 years or above
  • Hypertension defined as blood pressure levels of \>/=140/90mmHg or current use of blood pressure lowering drugs
  • Able to commence combination therapy of angiotensin receptor antagonists and diuretics

You may not qualify if:

  • Blood pressure measurements of \>/=200/120mmHg
  • Previous serious adverse events due to angiotensin receptor antagonists or diuretics
  • Known or possible pregnancy
  • Known severe liver dysfunction
  • Known severe kidney disease
  • Known contraindication to angiotensin receptor antagonists or diuretics
  • Taking \>/=4 tablets except for angiotensin receptor antagonists
  • ACE inhibitors, thiazide or thiazide-like diuretics in the morning
  • Current participation in another clinical trial
  • A high likelihood that the patient is not suitable for the study treatment

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Medicine and Clinical Science, Kyushu University

Fukuoka, Fukuoka, 812-8582, Japan

Location

MeSH Terms

Conditions

HypertensionPatient Compliance

Interventions

LosartanHydrochlorothiazidehydrochlorothiazide, losartan drug combination

Condition Hierarchy (Ancestors)

Vascular DiseasesCardiovascular DiseasesPatient Acceptance of Health CareTreatment Adherence and ComplianceHealth BehaviorBehavior

Intervention Hierarchy (Ancestors)

Biphenyl CompoundsBenzene DerivativesHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsImidazolesAzolesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsTetrazolesChlorothiazideBenzothiadiazinesSulfonamidesSulfonesSulfur CompoundsThiazidesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-Ring

Study Officials

  • Kiyoshi Matsumura, MD PhD

    Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER

Study Record Dates

First Submitted

April 30, 2008

First Posted

May 2, 2008

Study Start

June 1, 2008

Primary Completion

November 1, 2010

Study Completion

February 1, 2011

Last Updated

March 7, 2011

Record last verified: 2011-03

Locations