Viewing Study NCT00005223



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Study NCT ID: NCT00005223
Status: COMPLETED
Last Update Posted: 2016-05-13
First Post: 2000-05-25

Brief Title: Epidemiology of APO- and Lipoproteins in Elderly Women
Sponsor: National Heart Lung and Blood Institute NHLBI
Organization: National Heart Lung and Blood Institute NHLBI

Study Overview

Official Title: None
Status: COMPLETED
Status Verified Date: 2001-04
Last Known Status: None
Delayed Posting: No
If Stopped, Why?: Not Stopped
Has Expanded Access: False
If Expanded Access, NCT#: N/A
Has Expanded Access, NCT# Status: N/A
Acronym: None
Brief Summary: To examine the complex interactions among the traditional cardiovascular risk factors particularly lipoprotein and apoprotein levels genetic and other characteristics and lifestyle habits in elderly women
Detailed Description: BACKGROUND

Coronary heart disease is the leading cause of death in both men and women 65 years of age and older and in 1982 it was estimated that it accounted for about 324 percent of all deaths in this age group and may have contributed to death in an additional 121 percent Coronary heart disease mortality rates increase steeply with age even in those over 65 years of age Death rates for males continue to be higher than females although the sex ratio declined sharply with age Data from Framingham suggest that although the incidence of coronary heart disease rises with age in both males and females the incidence rate rises more steeply in elderly females compared with elderly males Despite the magnitude of this problem in 1988 the majority of the knowledge on coronary heart disease and its risk factors related to the disease in middle-aged persons--primarily males More information was needed about coronary heart disease and its risk factors in elderly women Also the atherosclerotic process develops over many years and the risk factors which relate to the evolution of atherosclerosis are highly correlated within an individual Therefore it is likely that risk factors such as lipoproteins and apoproteins will be important determinants of coronary heart disease in older persons primarily because of this observed correlation within individuals over time and their long-term association with the development and progression of atherosclerosis In addition identification of the high risk individual is a goal of many epidemiologic investigations It is possible that qualitative examination of the polymorphisms of the apoproteins could in fact assist in the identification of women at high risk of coronary heart disease who are in need of aggressive prophylaxis These genetic markers represent a second generation of risk factors for coronary heart disease

DESIGN NARRATIVE

The study was ancillary to the multicenter Study of Osteoporotic Fractures SOF a prospective study on risk factors for hip and wrist fractures supported by the National Institute of Arthritis and Musculoskeletal and Skin Diseases The cross-sectional study involved a sample of subjects at the Pittsburgh Center The distribution and interrelationships of lipoproteins and apoproteins were described as were their relationships to age years since menopause type of menopause and lifestyle factors such as physical activity alcohol consumption cigarette smoking obesity and use of estrogensprogestins The frequency of phenotypes of the polymorphisms of apoprotein A-IV and E were examined to determine whether these phenotypes were associated with specific patterns of lipo- and apoproteins The hypothesis was tested that the degree to which lifestyle characteristics explain the variability in lipoproteins and apoproteins depended on the genetic makeup of the individual

The study completion date listed in this record was obtained from the End Date entered in the Protocol Registration and Results System PRS record

Study Oversight

Has Oversight DMC:
Is a FDA Regulated Drug?:
Is a FDA Regulated Device?:
Is an Unapproved Device?:
Is a PPSD?:
Is a US Export?:
Is an FDA AA801 Violation?:
Secondary IDs
Secondary ID Type Domain Link
R29HL040489 NIH None httpsreporternihgovquickSearchR29HL040489