Efficacy and Safety of Valsartan in Combination With Amlodipine Compared to Losartan Plus Hydrochlorothiazide in Patients With Hypertension and Left Ventricular Hypertrophy

May 6, 2011 updated by: Novartis

An Open-label, Randomized, Parallel Group Study Comparing the Efficacy and Safety of Amlodipine in Combination With Valsartan Compared to Losartan in Combination With Hydrochlorothiazide Given for 52 Weeks on the Regression of Left Ventricular Hypertrophy in Patients With Mild to Moderate Hypertension

This study will evaluate the safety and efficacy of amlodipine plus valsartan in patients with hypertension and left ventricular hypertrophy

Study Overview

Study Type

Interventional

Enrollment (Actual)

90

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Ludwigshafen, Germany
        • 25 centers in Germany

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 80 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Caucasian; male or female outpatients and age between 18-80 years of age, inclusive.
  • Patients with a history of essential hypertension and who are actually treated either with an antihypertensive monotherapy and with a diastolic blood pressure >=90 and <= 105mmHg or with a combination therapy (limited to two active compounds) and with a diastolic blood pressure of >=90 and <= 100mmHg.
  • Patients with Left Ventricular Hypertrophy

Exclusion Criteria:

  • Severe hypertension
  • Symptomatic heart failure
  • History of stroke, heart attack, coronary bypass surgery etc.
  • Insulin-dependent diabetes mellitus or poorly controlled diabetes mellitus.

Other protocol-defined inclusion/exclusion criteria may apply

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Amlodipine + Valsartan
Participants received 160 mg Valsartan and 5 mg amlodipine orally once a day for 52 weeks. If blood pressure was not normalized at week 4, treatment was uptitrated to valsartan/amlodipine 160/10 mg. Participants with still uncontrolled hypertension could receive add-on antihypertensive medication.
160 mg film coated tablets taken orally once daily in the morning.
5 mg or 10 mg tablets taken orally once daily in the morning.
Active Comparator: Losartan + Hydrochlorothiazide
Participants received 100 mg losartan and 12.5 mg Hydrochlorothiazide (HCT) orally once a day for 52 weeks. If blood pressure was not normalized at week 4, treatment was uptitrated to losartan/HCT 100/25 mg, respectively, until end of study. Participants with still uncontrolled hypertension could receive add-on antihypertensive medication.
12.5 mg or 25 mg tablets taken orally once daily in the morning.
100 mg tablets taken orally once daily in the morning.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Change From Baseline in Left Ventricular Mass Index (LVMI) Measured Via Magnetic Resonance Imaging (MRI)
Time Frame: Baseline to week 52
Baseline to week 52

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change From Baseline to the End of Study in Left Ventricular Mass Index (LVMI) Normalized to Body Surface Area Assessed by MRI
Time Frame: Baseline to week 52
Baseline to week 52
Change From Baseline to the End of Study in Interventricular Septum Thickness (IVS) Assessed by MRI
Time Frame: Baseline to week 52
Baseline to week 52
Change From Baseline to the End of Study in Posterior Wall Thickness Assessed by MRI
Time Frame: Baseline to week 52
Baseline to week 52
Change From Baseline to the End of Study in Left Ventricular Ejection Fraction (LVEF) Assessed by MRI
Time Frame: Baseline to week 52
Ejection fraction is a measurement of the percentage of blood that is pumped out of a filled ventricle with each heartbeat.
Baseline to week 52
Change From Baseline to the End of Study in Left Ventricular End-diastolic Volume (LVEDV) Assessed by MRI
Time Frame: Baseline to week 52
Baseline to week 52
Change From Baseline to the End of Study in Left Ventricular End-diastolic Volume (LVEDV) Normalized to Body Surface Area Assessed by MRI
Time Frame: Baseline to week 52
Baseline to week 52
Change From Baseline to the End of Study in Left Ventricular End-Systolic Volume (LVESV) Assessed by MRI
Time Frame: Baseline to week 52
Baseline to week 52
Change From Baseline to the End of Study in Left Ventricular End-Systolic Volume (LVESV) Normalized to Body Surface Area Assessed by MRI
Time Frame: Baseline to week 52
Baseline to week 52
Change From Baseline to the End of Study in Left Atrial (LA) Area Assessed by MRI
Time Frame: Baseline to week 52
Baseline to week 52
Change From Baseline to the End of Study in the Ascending Aortic Diameter Assessed by MRI
Time Frame: Baseline to week 52
Baseline to week 52
Change From Baseline to End of Study in Levels of N-terminal Pro-B Type Natriuretic Peptide (NT-proBNP)
Time Frame: Baseline to week 52
Baseline to week 52
Change From Baseline to End of Study in Levels of High-sensitivity C-reactive Protein (Hs-CRP)
Time Frame: Baseline to week 52
Baseline to week 52
Percentage of Participants Achieving Target Blood Pressure at Week 52
Time Frame: Week 52
Target blood pressure defined as having a mean sitting systolic blood pressure (MSSBP) < 140 mm Hg and a mean sitting diastolic blood pressure (MSDBP) < 90 mm Hg.
Week 52
Percentage of Participants Who Experienced Adverse Events (AEs)
Time Frame: Baseline to week 52
An adverse event was the appearance or worsening of any undesirable sign, symptom, or medical condition occurring after obtaining informed consent even if the event was not considered to be related to study drug. Medical conditions/diseases present before obtaining informed consent were only considered adverse events if they worsened after study start. Abnormal laboratory values or test results constituted adverse events only if they induced clinical signs or symptoms, required study drug discontinuation or required therapy.
Baseline to week 52

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

March 1, 2007

Primary Completion (Actual)

March 1, 2010

Study Completion (Actual)

March 1, 2010

Study Registration Dates

First Submitted

March 12, 2007

First Submitted That Met QC Criteria

March 12, 2007

First Posted (Estimate)

March 13, 2007

Study Record Updates

Last Update Posted (Estimate)

May 11, 2011

Last Update Submitted That Met QC Criteria

May 6, 2011

Last Verified

May 1, 2011

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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