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Genetics, Metabolism and Weight Loss in Older, Obese Veterans

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT00018330
First Posted: July 5, 2001
Last Update Posted: January 21, 2009
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
VA Office of Research and Development
  Purpose
This study is designed to determine whether sequence variation in the lipoprotein lipase (LPQ) gene affects the amount of weight loss and metabolic responses during a hypocaloric diet treatment for overweight and obese (BMI=25-35 kg/m2), older (50-65 yrs), sedentary veterans.

Condition Intervention
Obesity Behavioral: Weight Loss

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Intervention Model: Single Group Assignment
Primary Purpose: Treatment
Official Title: Genetics, Metabolism and Weight Loss in Older, Obese Veterans

Resource links provided by NLM:


Further study details as provided by VA Office of Research and Development:

Study Start Date: April 1999
Estimated Study Completion Date: March 2004
Detailed Description:
Veterans who are 50-65 yrs, non-smoking, sedentary and weight stable with a BMI between 25-35 kg/m2 (120-150% desirable body weight) are recruited and screened via telephone, medical history, and physical exam. Exclusion criteria are: diabetes, hypertriglyceridemia (>400 mg/dl), history of cancer or myocardial infarction, clinical depression, renal, liver or hematologic disease, and medications that affect glucose or lipid metabolism (thiazides, estrogen replacement, beta-blockers). Changes in total and visceral body fat are measured by dual x-ray absorptiometry and computerized tomography, resting energy expenditure and fat oxidation rate by indirect calorimetry, and lipoprotein lipids by enzymatic assay. Glucose tolerance is assessed during a three-hour oral glucose tolerance test with measurement of glucose- and insulin levels every 30 minutes. LPL activity is measured in 3050mg pieces of subcutaneous abdominal and gluteal adipose tissue.
  Eligibility

Information from the National Library of Medicine

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Ages Eligible for Study:   50 Years to 65 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria
  • 50-65 yrs, non-smoking, sedentary and weight stable with a BMI between 25-35 kg/m2 (120-150% desirable body weight) are recruited and screened via telephone, medical history, and physical exam.

Exclusion criteria:

  • Diabetes,
  • Hypertriglyceridemia (>400 mg/dl),
  • History of cancer or myocardial infarction,
  • Clinical depression,
  • Renal, liver or hematologic disease, and
  • Medications that affect glucose or lipid metabolism (thiazides, estrogen replacement, beta-blockers).
  Contacts and Locations
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): NCT00018330


Locations
United States, Maryland
VA Maryland Health Care System
Baltimore, Maryland, United States, 21201
Sponsors and Collaborators
VA Office of Research and Development
  More Information

ClinicalTrials.gov Identifier: NCT00018330     History of Changes
Other Study ID Numbers: AGCG-006-98F
First Submitted: July 3, 2001
First Posted: July 5, 2001
Last Update Posted: January 21, 2009
Last Verified: December 2004

Keywords provided by VA Office of Research and Development:
Behavioral
Weight Loss
Genetics
Lipoprotein lipase
Visceral fat
Lipoprotein

Additional relevant MeSH terms:
Weight Loss
Body Weight Changes
Body Weight
Signs and Symptoms