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Clinical Trial Details — Status: Enrolling by invitation

Administrative data

NCT number NCT03314818
Other study ID # HRP-002
Secondary ID
Status Enrolling by invitation
Phase N/A
First received October 16, 2017
Last updated October 16, 2017
Start date September 22, 2017
Est. completion date October 22, 2023

Study information

Verified date October 2017
Source BioImage-2 LLC
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

This proposed follow-up study aims to recruit participants from the original BioImage cohort for a one-time follow-up examination. The repeat ultrasound scan of the carotid arteries will provide information on the natural history of carotid atherosclerosis and factors that contribute to plaque progression. Renewal of the HIPAA authorization will also be sought for 5 years to continue to monitor claims and other information for major cardiovascular events, other outcomes and healthcare utilization.


Description:

The design and objectives of the BioImage study (NCT00738725) have been published in detail. In brief, the BioImage study is investigating whether imaging of target arteries for subclinical atherosclerosis and measurement of ABI and circulating biomarkers add to the predictive value of traditional risk factor scoring systems, namely, the Framingham Risk Score. Enrollment in the BioImage study (January 2008 to June 2009) resulted in inclusion of 7,687 asymptomatic Americans ages 55 to 80 years from the Humana Health System resident in Chicago, Illinois, or Fort Lauderdale, Florida. Of these, 6,104 entered the imaging arm of the study. Analysis of the BioImage study cross- sectional baseline findings has yielded important novel findings related to presence and severity of subclinical atherosclerosis and the role of markers of subclinical disease to identify those at elevated risk for near-term atherothrombotic events.

One of the striking novel findings in the BioImage study was the prevalence of subclinical atherosclerotic disease in the carotid arteries as determined by a novel 3D ultrasound method. 3D carotid imaging was used to identify lesions located in the cervical part of the common carotid arteries (CCA) and internal carotid artery. 3D carotid imaging was initially performed using a high- resolution, linear array 2-dimensional transducer and scanning the artery in cross-section, slowly moving the transducer manually in the cranial direction from the proximal CCA into the distal internal carotid artery (i.e., from the clavicle to jawbone). The resulting 10-s digital video clip of this "manual 3D" cross-sectional sweep was examined in the core ultrasound laboratory for the presence and quantification of plaque. In the second phase of the study an electromechanical transducer was used to accomplish a similar sweep, replacing the manual sweep with a controlled movement of the transducer.

This ultrasound technique identified carotid plaques in 78% of cases. Carotid plaque burden was found to correlate stronger with CACS (chi-square 450, p < 0.0001) than did cIMT (chi-square 24, p < 0.0001)15. Analyses have indicated that subclinical atherosclerosis as determined by 3D ultrasound is an important risk factor with marked incremental value over conventional risk-factor based scores such as the Framingham Risk Score.


Recruitment information / eligibility

Status Enrolling by invitation
Enrollment 1000
Est. completion date October 22, 2023
Est. primary completion date September 22, 2018
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group N/A and older
Eligibility Inclusion Criteria:

- Participant in BioImage Study cohort with successful completion of carotid ultrasound imaging investigation

- Ability to travel to the location where the mobile research unit will be located (various locations in the Chicago area or Fort Lauderdale, Florida area)

- Written informed consent must be obtained before any assessment is performed

Exclusion Criteria:

- Weight > 350 pounds

- Inability to comply with the visit to the study clinic and other study requirements

Study Design


Intervention

Device:
Ultrasound 3D Imaging
Carotid artery ultrasound will be used to: Determine plaque presence and plaque burden Presence of stenosis Additionally, Carotid Intima-Media Thickness (IMT) will be measured and aortic diameter will be measured by abdominal aortic ultrasound scanning. Ultrasound of the Abdominal Aorta will be used to determine the presence and severity of stenosis or aneurism.

Locations

Country Name City State
United States Chen Senior Medical Center - Lauderhill Lauderhill Florida

Sponsors (3)

Lead Sponsor Collaborator
Pieter Muntendam AstraZeneca, Icahn School of Medicine at Mount Sinai

Country where clinical trial is conducted

United States, 

References & Publications (4)

Baber U, Mehran R, Sartori S, Schoos MM, Sillesen H, Muntendam P, Garcia MJ, Gregson J, Pocock S, Falk E, Fuster V. Prevalence, impact, and predictive value of detecting subclinical coronary and carotid atherosclerosis in asymptomatic adults: the BioImage study. J Am Coll Cardiol. 2015 Mar 24;65(11):1065-74. doi: 10.1016/j.jacc.2015.01.017. — View Citation

Muntendam P, McCall C, Sanz J, Falk E, Fuster V; High-Risk Plaque Initiative. The BioImage Study: novel approaches to risk assessment in the primary prevention of atherosclerotic cardiovascular disease--study design and objectives. Am Heart J. 2010 Jul;160(1):49-57.e1. doi: 10.1016/j.ahj.2010.02.021. — View Citation

Natarajan P, Kohli P, Baber U, Nguyen KH, Sartori S, Reilly DF, Mehran R, Muntendam P, Fuster V, Rader DJ, Kathiresan S. Association of APOC3 Loss-of-Function Mutations With Plasma Lipids and Subclinical Atherosclerosis: The Multi-Ethnic BioImage Study. J Am Coll Cardiol. 2015 Nov 3;66(18):2053-2055. doi: 10.1016/j.jacc.2015.08.866. — View Citation

Sillesen H, Muntendam P, Adourian A, Entrekin R, Garcia M, Falk E, Fuster V. Carotid plaque burden as a measure of subclinical atherosclerosis: comparison with other tests for subclinical arterial disease in the High Risk Plaque BioImage study. JACC Cardiovasc Imaging. 2012 Jul;5(7):681-9. doi: 10.1016/j.jcmg.2012.03.013. Erratum in: JACC Cardiovasc Imaging. 2013 Jan;6(1):131-2. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary To investigate natural history of subclinical atherosclerosis as determined by 3D carotid ultrasound. 5 Years
Primary To evaluate the role of risk factors in disease progression of subclinical atherosclerosis. 5 Years
Secondary To assess persistence of risk factors over an approximately 5-year time span between the baseline and the planned follow-up evaluation. 5 Years
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