- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00035750
Risk Factors for Atherogenesis in Type 1 Diabetes
Study Overview
Status
Detailed Description
BACKGROUND:
Individuals with Type 1 diabetes have substantially higher risk for premature atherosclerotic vascular disease (ASVD) than the general population. Risk factors for the development of ASVD have been identified, but linking them to initiation of atherosclerosis was not feasible until recently. Advances in non-invasive imaging now permit early detection of changes in blood vessel function and structure. This imaging provides an opportunity to evaluate risk factors for ASVD and vascular status in a cohort at a critical time for development and early progression of ASVD.
DESIGN NARRATIVE:
Subjects were enrolled from 1987-1992 and were followed from diabetes diagnosis. Standardized protocols for examinations and interviews were implemented and the data base included a valuable longitudinal plasma bank. Because incident cases were enrolled, information was collected from diagnosis on children, adolescents and young adults currently without symptoms of atherosclerosis. The existing database was expanded, the existing resources were used including the plasma bank, and promising new and well established clinical research techniques were incorporated by: (i) measuring plasma lipid levels on stored plasma and on newly collected blood samples, (ii) measuring triglyceride levels on newly collected blood samples, (iii) measuring urinary albumin excretion rates on newly collected specimens (already measured from diagnosis to date), and (iv) assessing endothelial function by brachial artery ultrasound, (v) measuring the intima medial thickness (IMT) of the carotid artery by ultrasound, and (vi) measuring coronary calcium by computed tomography scanning. These activities allowed pursuit of the following specific aims: 1) to determine the relationship between established risk factors for atherosclerosis and the development of pre-clinical atherosclerosis, 2) to determine the relationship between endothelial dysfunction and carotid IMT, and 3) to determine the relationship between coronary artery calcification and carotid IMT. Such information was critical in directing further efforts toward primary prevention of atherosclerosis in individuals with Type 1 diabetes mellitus.
Study Type
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Study Plan
How is the study designed?
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Mari Palta, University of Wisconsin, Madison
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Study Completion
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 1054
- R01HL062897 (U.S. NIH Grant/Contract)
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