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Effect of Exercise Training on the Function of the High Density Lipoprotein (HDL)-Cholesterol, Endothelial Function and Endothelial Progenitor Cells in Patients With Metabolic Syndrome(HERMET-Study) (HERMET)

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ClinicalTrials.gov Identifier: NCT00515476
Recruitment Status : Completed
First Posted : August 13, 2007
Last Update Posted : June 23, 2010
Information provided by:
Hannover Medical School

Brief Summary:
The purpose of the present study is to characterize the quality of HDL-Cholesterol in patients with metabolic syndrome and reduced blood HDL-Cholesterol levels and to examine the effect of exercise training on the vasculoprotective effects of HDL-Cholesterol in these patients. Additionally the investigators aim to investigate the endothelial function, oxidative stress and the regenerative capacity of the endothelial progenitor cells in patients with metabolic syndrome and the changes dependent on physical activity of patients.

Condition or disease Intervention/treatment
Metabolic Syndrome X Behavioral: physical exercise

Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 24 participants
Allocation: Randomized
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Prevention
Official Title: Randomized, Clinical Trial to Study the Effect of Exercise Training on the Function of HDL-Cholesterol, Endothelial Function, Oxidative Stress and Regenerative Capacity of Endothelial Progenitor Cells in Patients With Metabolic Syndrome
Study Start Date : June 2007
Primary Completion Date : November 2008
Study Completion Date : December 2008

Intervention Details:
    Behavioral: physical exercise
    8 weeks of regular exercise training

Primary Outcome Measures :
  1. Primary: vasculoprotective and regenerative functions of HDL-Cholesterol and EPC function before and after 8-weeks exercise training [ Time Frame: before and after 8-weeks exercise training ]

Secondary Outcome Measures :
  1. Secondary: flow-mediated, endothelium-dependent vasodilation of radial artery measured by ultrasound [ Time Frame: before and 8 weeks after exercise training ]

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Ages Eligible for Study:   21 Years to 75 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Reduced HDL-Cholesterol levels in blood: < 40 mg/dl (1.03 mmol/L) in male, < 50 mg/dl (1.29 mmol/L) in female
  • Plus two of the following criteria:
  • Elevated waist circumference: ≥ 102 cm (≥ 40 inches) in men or ≥ 88 cm (≥ 35 inches) in women
  • Elevated triglycerides: ≥ 150 mg/dL (1.7 mmol/L
  • Elevated blood pressure: ≥ 130 mmHg systolic blood pressure or ≥ 80 mmHg
  • diastolic blood pressure or anti-hypertensive treatment
  • Elevated fasting glucose: ≥ 100 mg/dL or on drug treatment for elevated fasting glucose

Exclusion Criteria:

  • Acute coronary syndrome
  • Unstable Angina pectoris
  • Myocardial infarction during the last 8 weeks
  • Therapy with Niacin
  • Active infections
  • Ventricular arrhythmias
  • Systolic blood pressure > 160 mmHg or diastolic blood pressure > 95 mmHg
  • Cancer
  • Pregnancy, lactation
  • Alcoholism

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00515476

Hannover Medical School
Hannover, Germany
Sponsors and Collaborators
Hannover Medical School
Study Director: Helmut Drexler, MD Hannover Medical School
Principal Investigator: Kristina Sonnenschein, MD Hannover Medical School
Principal Investigator: Ulf Landmesser, MD Hannover Medical School

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: Pricipal Investigator Prof. Dr. med. H. Drexler, MHH Hannover Medical School
ClinicalTrials.gov Identifier: NCT00515476     History of Changes
Other Study ID Numbers: 4031215
First Posted: August 13, 2007    Key Record Dates
Last Update Posted: June 23, 2010
Last Verified: November 2009

Keywords provided by Hannover Medical School:
metabolic syndrome
endothelial function
reduced blood HDL-Cholesterol level

Additional relevant MeSH terms:
Metabolic Syndrome X
Pathologic Processes
Insulin Resistance
Glucose Metabolism Disorders
Metabolic Diseases