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Active clinical trials for "Heart Diseases"

Results 2611-2620 of 3529

Genetic Epidemiology of CHD Risk Factors in Blacks

Cardiovascular DiseasesHeart Diseases1 more

To determine the genetic epidemiology of coronary heart disease (CHD) risk factors in Blacks.

Completed1 enrollment criteria

Epidemiology of Long QTand Asian Sudden Death in Sleep

Cardiovascular DiseasesHeart Diseases5 more

To conduct a cross-sectional epidemiologic study of the determinants of prolonged heart rate corrected QT interval (QTc) among 300 men and 300 woman in the population with the highest known risk of SUDS: Southeast Asian refugees in Thailand. .

Completed1 enrollment criteria

Smoking Onset in a Biethnic Population

Cardiovascular DiseasesHeart Diseases1 more

To conduct a prospective study of the determinants of smoking onset in adolescents attending Memphis City Schools and to determine the unique predictors of smoking onset in Black versus white adolescent females.

Completed1 enrollment criteria

Insulin, Androgen, and Risk in African-American Women

Cardiovascular DiseasesDiabetes Mellitus4 more

To distinguish whether the observed gender differences in plasma insulin and insulin resistance reflect biologic differences, or whether the gender differences in insulinemia are determined by greater adiposity in women. Also, to determine if the hyperinsulinemia per se contributes to excess risk for cardiovascular disease in African American women. Finally, since higher androgenicity is linked with cardiovascular risk in women, to determine if the risk factors associated with hyperinsulinemia are modulated by sex hormones.

Completed1 enrollment criteria

Epidemiology of Carotid Artery Atherosclerosis in Youth

AtherosclerosisCardiovascular Diseases2 more

To examine the relationship of risk factors measured in childhood to intimal medial thickness (IMT) in early adulthood and to examine familial factors which may be related to increased IMT, a measure of atherosclerosis.

Completed2 enrollment criteria

Cohort Study of Heart Rate Variability

Cardiovascular DiseasesMyocardial Ischemia4 more

To examine factors affecting heart rate variability (HRV) and the role of HRV in heart disease. Specifically, to examine the role of HRV: as a predictor of fatal and nonfatal ischemic heart disease over a six year follow-up of the Atherosclerosis Risk in Communities (ARIC) population based, bi-ethnic cohort; on the six year progression of carotid atherosclerosis measured by B-mode ultrasound; and on the incidence of hypertension. Also, to study the effect of elevated fasting insulin, glucose, diabetes mellitus, and other metabolic abnormalities on changes in HRV over nine years of follow-up.

Completed1 enrollment criteria

Parity and Serum Lipids in White and Hispanic Women

AtherosclerosisCardiovascular Diseases1 more

To analyze the relationships between parity (childbirth) or gravidity (pregnancy) and measures of lipids in groups of women from the Hispanic Health and Nutrition Examination Survey (Hispanic HANES) and the Framingham Heart Study.

Completed1 enrollment criteria

Reanalysis of CVD Risk Factors Via Likelihood Methods

Cardiovascular DiseasesHeart Diseases1 more

To reanalyze data on risk factors for cardiovascular disease (CVD) including total cholesterol and high density lipoprotein (HDL) cholesterol for the subjects in the first, second, and third exams of the NHLBI Twin Study.

Completed1 enrollment criteria

Study of Children's Activity and Nutrition (SCAN)--Extended Analyses

Cardiovascular DiseasesHeart Diseases1 more

To continue analysis of data from a longitudinal study of 246 urban Black preschool children and their families in order to identify the long-term effects of social and environmental influences on nutrition and activity and the consequences of these influences for the children's cardiovascular disease (CVD) risk status.

Completed1 enrollment criteria

Epidemiology of Cardiotoxicity in Children With Cancer

Cardiovascular DiseasesHeart Diseases6 more

To provide a comprehensive analysis of risk factors for the development of clinical cardiotoxicities in over 6,000 children with cancer who had been treated on standardized protocols involving the use of anthracyclines alone or in combination with other potentially cardiotoxic therapies or with no use of anthracycline therapy.

Completed1 enrollment criteria
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