A Comparison of the Effect of Olmesartan Medoxomil, Losartan Potassium, and Atenolol on the Ability of Overweight Patients With High Blood Pressure to Respond to Insulin

December 22, 2005 updated by: Daiichi Sankyo, Inc.

The Effects of Olmesartan Medoxomil, Losartan Potassium, and Atenolol on Insulin Sensitivity in Overweight and Obese Subjects With Hypertension

To examine the effect of three different blood pressure medications on the insulin sensitivity in overweight patients with high blood pressure.

Study Overview

Study Type

Interventional

Enrollment

60

Phase

  • Phase 4

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

    • Alabama
      • Birmingham, Alabama, United States
    • California
      • San Diego, California, United States
    • Florida
      • Miami, Florida, United States
    • Indiana
      • Indianapolis, Indiana, United States
    • Maryland
      • Baltimore, Maryland, United States
    • Massachusetts
      • Boston, Massachusetts, United States
    • Minnesota
      • Rochester, Minnesota, United States
    • Pennsylvania
      • Philadelphia, Pennsylvania, United States
    • Texas
      • Dallas, Texas, United States
      • San Antonio, Texas, United States

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 75 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Patients between the ages of 18 and 75 years (inclusive)
  • Willingness to undergo insulin clamp procedure twice
  • Overweight or obese (BMI=25-39 kg/m2)
  • Subject must meet one of the following two blood pressure criteria at week-2 and at week-1: Systolic blood pressure 140-179 mmHg and diastolic blood pressure 85-99 mmHg OR Systolic blood pressure < 140 mmHg and diastolic blood pressure 90-99 mmHg
  • If female, must have negative serum pregnancy test at screening and be either post-menopausal, had a hysterectomy or tubal ligation at least 6 months before consent or if of childbearing potential, must practice approved measures of birth control throughout study

Exclusion Criteria:

  • Systolic blood pressure > 179 mmHg
  • Diastolic blood pressure > 99 mmHg or < 85 mmHg
  • Diagnosis of diabetes mellitus
  • History of myocardial infraction, percutaneous transluminal coronary revascularization, coronary artery bypass graft, unstable angina pectoris or an episode of heart failure requiring hospitalization
  • Previous history of a cerebrovascular accident or a transient ischemic attack
  • History of allergic response to atenolol, losartan potassium, olmesartan medoxomil or any of their components
  • Any serious disorder, including pulmonary, hepatic, renal, gastrointestinal (including clinically significant malabsorption), uncontrolled endocrine/metabolic, hematologic/oncologic (within the last 5 years), neurologic, and psychiatric diseases, that would interfere with the conduct of the study or interpretation of the data
  • Laboratory abnormalities that could compromise subject safety

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)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
To compare the treatment effect of olmesartan medoxomil versus that of atenolol on insulin sensitivity

Secondary Outcome Measures

Outcome Measure
-To compare the treatment effect of losartan potassium versus atenolol on insulin sensitivity
-To compare the treatment effect of olmesartan medoxomil versus losartan potassium on insulin sensitivity

Collaborators and Investigators

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

February 1, 2004

Study Completion

July 1, 2005

Study Registration Dates

First Submitted

September 9, 2005

First Submitted That Met QC Criteria

September 9, 2005

First Posted (Estimate)

September 16, 2005

Study Record Updates

Last Update Posted (Estimate)

December 23, 2005

Last Update Submitted That Met QC Criteria

December 22, 2005

Last Verified

September 1, 2005

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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