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Sponsored by: |
National Heart, Lung, and Blood Institute (NHLBI) |
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Information provided by: | National Heart, Lung, and Blood Institute (NHLBI) |
ClinicalTrials.gov Identifier: | NCT00005365 |
To conduct a longitudinal study of central obesity and related risk factors found to be associated with hypertension and atherosclerotic cardiovascular disease (ASCVD) in a previously-examined cross-sectional cohort of second-generation Japanese Americans and in a newly-recruited cohort of third generation Japanese Americans.
Condition |
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Cardiovascular Diseases Heart Diseases Atherosclerosis Hypertension Obesity Diabetes Mellitus, Non-Insulin Dependent Hyperinsulinism Insulin Resistance Coronary Arteriosclerosis Diabetes Mellitus Metabolic Syndrome X |
Study Type: | Observational |
Study Design: | Natural History |
Study Start Date: | February 1993 |
Estimated Study Completion Date: | January 1998 |
BACKGROUND:
The study was conducted in response to a program announcment issued in 1991 on obesity and tests the hypothesis that atherosclerotic cardiovascular disease (ASCVD), hypertension, and/or non-insulin dependent diabetes mellitus (NIDDM) develop in Japanese Americans when there is a truncal pattern of weight gain (central adiposity), which is in turn accompanied by insulin resistance, hyperinsulinemia, and lipid abnormalities. This cluster of abnormalities has been called 'Syndrome X'. It is postulated that 'Syndrome X' develops in Japanese Americans in response to environmental (behavioral) factors, many of which reflect 'westernization' in this ethnic group. The research plan focuses upon the relationship between central obesity and metabolic changes and disease outcomes associated with 'Syndrome X' along with the behavioral variables that potential risk factors for the development of this cluster of abnormalities.
DESIGN NARRATIVE:
The cohort was re-examined for diabetes, hypertension, coronary heart, disease, peripheral vascular disease, and a number of potential coronary heart disease risk factors including medical history, health practice, social history, diet, glycosylated hemoglobin, insulin, proinsulin, c-peptide, glucose, anthrometric measurements, lipids, and computed tomography on the thorax, abdomen, and thigh.
Ages Eligible for Study: | 45 Years to 74 Years |
Genders Eligible for Study: | Both |
Accepts Healthy Volunteers: | No |
No eligibility criteria
Study ID Numbers: | 4252 |
Study First Received: | May 25, 2000 |
Last Updated: | June 23, 2005 |
ClinicalTrials.gov Identifier: | NCT00005365 History of Changes |
Health Authority: | United States: Federal Government |
Atherosclerosis Myocardial Ischemia Overweight Arteriosclerosis Body Weight Hyperinsulinism Signs and Symptoms Nutrition Disorders Metabolic Disorder Arterial Occlusive Diseases Obesity Metabolic Syndrome X Heart Diseases Metabolic Diseases |
Diabetes Mellitus Vascular Diseases Endocrine System Diseases Ischemia Abdominal Obesity Metabolic Syndrome Coronary Disease Diabetes Mellitus, Type 2 Overnutrition Endocrinopathy Insulin Resistance Glucose Metabolism Disorders Coronary Artery Disease Hypertension |
Atherosclerosis Myocardial Ischemia Overweight Arteriosclerosis Body Weight Hyperinsulinism Signs and Symptoms Pathologic Processes Syndrome Nutrition Disorders Cardiovascular Diseases Arterial Occlusive Diseases Obesity Disease |
Metabolic Syndrome X Heart Diseases Metabolic Diseases Diabetes Mellitus Vascular Diseases Endocrine System Diseases Coronary Disease Diabetes Mellitus, Type 2 Overnutrition Insulin Resistance Glucose Metabolism Disorders Coronary Artery Disease Hypertension |