YELLOW II Study: Reduction in Coronary Yellow Plaque, Lipids and Vascular Inflammation by Aggressive Lipid Lowering
| Status: | Completed |
|---|---|
| Conditions: | Peripheral Vascular Disease, Cardiology |
| Therapuetic Areas: | Cardiology / Vascular Diseases |
| Healthy: | No |
| Age Range: | 18 - Any |
| Updated: | 2/15/2018 |
| Start Date: | July 2013 |
| End Date: | April 2015 |
Coronary artery disease (CAD) remains a leading cause of death in most countries. It is well
known that the reduction of cholesterol levels by statin therapy is associated with
significant decreases in plaque burden. REVERSAL, ASTEROID, and more recently the SATURN II
trial showed that in patients with CAD, lipid lowering with atorvastatin or rosuvastatin
respectively reduced progression of coronary atherosclerosis, even causing plaque regression
of some lesions. CAD clinical events are related to plaque instability due to lipid content
and activity within the atherosclerotic plaque. The investigators recently completed the
YELLOW I study, and identified that intensive statin therapy (rosuvastatin 40mg) was
associated with a reduction in the amount of lipid in obstructive coronary plaques, as
measured by near-infrared spectroscopy (NIRS). The YELLOW II study is designed to expand and
build upon these results, and to provide mechanistic insights into the potential benefits of
intensive statin therapy on atherosclerotic plaques.
known that the reduction of cholesterol levels by statin therapy is associated with
significant decreases in plaque burden. REVERSAL, ASTEROID, and more recently the SATURN II
trial showed that in patients with CAD, lipid lowering with atorvastatin or rosuvastatin
respectively reduced progression of coronary atherosclerosis, even causing plaque regression
of some lesions. CAD clinical events are related to plaque instability due to lipid content
and activity within the atherosclerotic plaque. The investigators recently completed the
YELLOW I study, and identified that intensive statin therapy (rosuvastatin 40mg) was
associated with a reduction in the amount of lipid in obstructive coronary plaques, as
measured by near-infrared spectroscopy (NIRS). The YELLOW II study is designed to expand and
build upon these results, and to provide mechanistic insights into the potential benefits of
intensive statin therapy on atherosclerotic plaques.
YELLOW II is a single site study and will assess the regression of plaque lipid content and
changes in plaque morphology from atherosclerotic lesions after high-dose statin therapy by
utilizing NIRS, IVUS and optical coherency tomography (OCT) imaging modalities in the
coronary arteries. We propose to image non-culprit coronary lesions using these modalities in
patients with two or three diseased coronary vessels deemed to warrant intervention on
clinical grounds. Thus, at the time of enrolment patients will undergo Percutaneous Coronary
Intervention (PCI) of a non-study culprit lesion, and triple-modality imaging of the
potential non-culprit ('YELLOW') lesion. If there is high baseline lipid content in the
non-culprit YELLOW lesion (max 4mm LCBI > 150), patients will be formally entered into this
study. Following this, all enrolled subjects will receive high-dose lipid lowering therapy
(rosuvastatin 40mg daily). The non-culprit YELLOW lesion will undergo staged intervention
8-12 weeks following study enrolment and baseline imaging. At this time the YELLOW lesion
will be reimaged to determine whether high-dose statin therapy caused a reduction in lipid
content as assessed by NIRS, and other altered plaque morphology as assessed by OCT and IVUS.
In addition, both at baseline and at the time of final non-culprit YELLOW lesion PCI, blood
samples will be drawn during baseline and follow-up procedure to characterize reverse
cholesterol transport by ability of patient HDL to accept cholesterol from cholesterol-laden
(mouse J774) macrophage (cholesterol efflux) and the effect of patient HDL and apolipoprotein
A1 on macrophage gene expression and migration.
changes in plaque morphology from atherosclerotic lesions after high-dose statin therapy by
utilizing NIRS, IVUS and optical coherency tomography (OCT) imaging modalities in the
coronary arteries. We propose to image non-culprit coronary lesions using these modalities in
patients with two or three diseased coronary vessels deemed to warrant intervention on
clinical grounds. Thus, at the time of enrolment patients will undergo Percutaneous Coronary
Intervention (PCI) of a non-study culprit lesion, and triple-modality imaging of the
potential non-culprit ('YELLOW') lesion. If there is high baseline lipid content in the
non-culprit YELLOW lesion (max 4mm LCBI > 150), patients will be formally entered into this
study. Following this, all enrolled subjects will receive high-dose lipid lowering therapy
(rosuvastatin 40mg daily). The non-culprit YELLOW lesion will undergo staged intervention
8-12 weeks following study enrolment and baseline imaging. At this time the YELLOW lesion
will be reimaged to determine whether high-dose statin therapy caused a reduction in lipid
content as assessed by NIRS, and other altered plaque morphology as assessed by OCT and IVUS.
In addition, both at baseline and at the time of final non-culprit YELLOW lesion PCI, blood
samples will be drawn during baseline and follow-up procedure to characterize reverse
cholesterol transport by ability of patient HDL to accept cholesterol from cholesterol-laden
(mouse J774) macrophage (cholesterol efflux) and the effect of patient HDL and apolipoprotein
A1 on macrophage gene expression and migration.
Inclusion Criteria:
- Patients >18 years of age and willing to participate.
- Fluency in either English or Spanish.
- Stable patients who will undergo cardiac catheterization and PCI (intent to stent).
- Patient is willing to go on high-dose cholesterol lowering medication for the duration
of the study
- Signed written Informed Consent.
- Women of childbearing potential must agree to be on an acceptable method of birth
control/contraceptive such as barrier method (condoms/diaphragm); hormonal
contraceptives (birth control pills, implants (Norplant) or injections
(Depo-Provera)); Intrauterine Device.
- Proposed non-culprit YELLOW study lesion with max 4mm LCBI ≥ 150.
Exclusion Criteria:
- Patients who have acute myocardial infarction (ST-segment elevation presentation, new
Q waves or non-ST segment elevation with CK-MB > 5 times above the upper normal (31.5
ng/ml) within 72 hours).
- Patients who are in cardiogenic shock.
- Patients requiring coronary artery bypass graft surgery.
- Patients with platelet count < 100,000 cell/mm3.
- Patients who have co-morbidity which reduces life expectancy to one year.
- Patients who are currently participating in another investigational drug/device study.
- Patients with liver disease.
- Patient with creatinine > 2.0 mg/dL.
- Pregnant women and women of childbearing potential who intend to have children during
the duration of the trial.
- Patients having undergone heart transplantation, or those that may undergo heart
transplantation during the study period.
- Active autoimmune disease.
- Nursing mothers
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