GLOBAL Clinical Study

Patients presenting for clinically indicated coronary CT angiography for an assessment of possible CAD are potential study candidates.

Inclusion Criteria:

1. Ages 18-90
2. Caucasian and of Non-Hispanic or Non-Latino origin
3. Referral for coronary CT angiography to evaluate for presence of CAD
4. The patient has signed the appropriate Institutional Review Board approved Informed Consent Form

Exclusion Criteria:

1. Immunosuppressive or immunomodulatory therapy including any dose of systemic corticosteroids in the preceding 30 days (except if steroids are administered as pre-medication prior to contrast administration for CT scan within 24 hours).
2. Chemotherapy in the preceding year
3. Major surgery in the preceding 2 months
4. Blood or blood product transfusion in the preceding 2 months
5. Subjects for whom coronary CT angiography is contraindicated per institutional standard of care
6. Subjects with previous coronary arterial revascularization (PCI or CABG)
7. Subjects with atrial fibrillation/flutter or frequent irregular or rapid heart rhythms, which occurred within the past 3 months
8. Subjects with a pacemaker or implantable cardioverter-defibrillator implant
9. Active congestive heart failure or the presence of known non-ischemic cardiomyopathy
10. Known genetic disorders of atherosclerosis, lipid or lipoprotein metabolism