- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02334826
Revascularization With BVS or CABG in Patients With Advanced CAD (RELEASE-BVS)
Revascularization With the Use of Biodegradable Scaffolds Compared to CABG in Patients With Advanced Stable Ischemic Heart Disease
The purpose of the study is to investigate the extent of ischemia and left ventricular function in cardiovascular magnetic resonance (CMR), as well as patency of coronary arteries and grafts in coronary computed tomography angiography at 12 months follow up in patients with advanced coronary artery disease treated with percutaneous coronary intervention with the implantation of bioresorbable scaffolds or coronary artery bypass graft surgery.
Additionally, the clinical results of the two methods of revascularization will be carried out annually up to 5 years.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Coronary artery disease (CAD) is the leading cause of death among adult population in developed countries. Optimal method of revascularization of patients with multivessel CAD is still the matter of debate. Currently, there are two recognized methods: percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG). Both methods were compared in a number of studies, including several randomized trials. Most trials have left some doubts. First of all, none of them used functional evaluation of the stenosis. The decision regarding revascularization was based on angiographic results alone. The trials that have used fractional flow reserve (FFR) show no clear correlation between the degree of stenosis assessed angiographically, in the range of 50-90%, and its functional significance. In a randomized FAME trial, out of 1329 significant stenosis assessed anatomically, nearly 40% revealed no functional significance. The study showed that coronary revascularization guided by FFR in multivessel stable CAD resulted in a smaller number of vessels stented, and hence fewer stent implantations. Such a strategy has improved patient clinical outcomes. In the group of patients undergoing revascularization based on fractional flow reserve significant reduction in major adverse cardiac events (MACE) was observed in 1- and 2-year follow up.
Another weakness of former studies was the use of first-generation drug eluting stent (DES) showing an increased risk of restenosis and late and very late stent thrombosis. Many randomized studies documented superiority of new generation DES, with more biocompatible or bioresorbable polymer in terms of the incidence of MACE (SPIRIT, LEADERS). Recently, fully bioresorbable vascular scaffolds (BVS) have been introduced into routine clinical practice. Preliminary results of the ABSORB EXTEND trial demonstrated similar efficacy and safety of the Absorb BVS, as compared with the best-in-class its metallic counterpart XIENCE. Since the complete resorption of the scaffold requires two-three years, the greatest clinical benefit will be observed a couple of years after implantation. Total bioresorption of the scaffold not only allows to restore the physiological function of the vessel, but also eliminates a number of adverse events associated with the presence of permanent metallic prosthesis in the vessel wall, such as very late stent thrombosis and the neo-atherosclerosis development.
Intravascular imaging with intravascular ultrasound (IVUS) or optical coherence tomography (OCT) is widely considered the gold standard for scaffold optimal implantation, although currently it is not routinely used. The use of intravascular imaging techniques before and after BVS implantation may help to avoid inadequate expansion and apposition of the scaffold struts. Subintimal calcifications detected with IVUS or OCT require adequate lesion preparation before stent deployment. This is particularly crucial for patients receiving BVS, where the goal of lesion preparation is to facilitate scaffold delivery, reduce plaque shift and to allow optimal scaffold expansion. OCT with its greater resolution enables to assess the scaffold integrity, apposition and the presence of thrombus or edge dissections.
Based on the ABSORB EXTEND trial there are some suggestions for longer dual antiplatelet therapy duration and more potent agents than clopidogrel (i.e. ticagrelor) regardless of clinical presentation, particularly in the first months after BVS implantation. Ticagrelor in the PLATO trial has been shown to reduce the rate of a combined endpoint of cardio-vascular death, myocardial infarction, or stroke compared to clopidogrel. In patients treated with PCI, it also reduces the rate of stent thrombosis. Statins are the most widely used LDL-lowering drugs in high-risk patients. It is recommended to achieve a greater than 50% reduction in LDL levels. Treatment goal for fasting LDL-cholesterol is < 70 mg/dl (1.8 mmol/l). In comparison with other lipid-lowering agents, rosuvastatin is the most potent agent to achieve the required reduction of LDL. Rosuvastatin in maximal tolerated dose is indicated to reduce the risk of myocardial infarction and revascularization procedures.
RELEASE-BVS study is the first trial that takes into account all of the following important aspects:
- stable advanced coronary artery disease: 3-vessel disease or significant left main (LM) stenosis, suitable for either PCI or CABG with proven ischemia in stress CMR;
- coronary revascularization (PCI) guided by functional assessment of stenosis (iFR/FFR);
- the use of a bioresorbable everolimus-eluting scaffolds (Absorb) and PCI optimization with intracoronary imaging techniques (OCT);
- long-term post-procedural management with potent antiplatelet drug (ticagrelor) and optimal lipid-lowering therapy with maximal tolerated dose of rosuvastatin.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
-
-
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Poznan, Poland, 61-848
- Department of Cardiology, Poznan University of Medical Sciences
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patient age ≥18 years
- Patient with symptomatic stable CAD or silent ischemia, with 3-vessel disease and/or significant stenosis of left main coronary artery on angiography, with significant ischemia evaluated in stress CMR
- Patient suitable for both PCI or CABG after local heart team evaluation
- Patient understands and accepts the meaning and the aims of the study and is willing to sign written informed consent
Exclusion Criteria:
- Prior CABG
- Concomitant valve disease requiring cardiac surgery
- Metal implants that may be the contraindication for CMR examination (e.g. peacemaker, ICD)
- Other contraindication for stress CMR or computed tomography (claustrophobia, asthma, a-v bloc, allergy to radiographic contrast or any prior anaphylaxis to contrast)
- Contraindication for 12 months dual antiplatelet therapy (DAPT) or known allergy to acetylsalicylic acid, clopidogrel or ticagrelor
- Female patient with child bearing potential
- Acute coronary syndrome within 2 weeks prior to revascularization
- Significant stenosis of any vessel, including LM if reference diameter > 4mm
- left ventricular ejection fraction (LVEF) <35%
- Life expectancy < 12 months
- Stroke or transient ischemic attack (TIA) within 3 months prior to revascularization
- Chronic kidney disease, estimated glomerular filtration rate (eGFR) <30 ml/min/1.73m2
- Planned surgery (other than CABG) within 12 months after randomization
- Diathesis, chronic oral anticoagulation therapy or history of bleeding
- Current participation in another trial or registry
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: PCI - BVS
percutaneous coronary intervention with the use of bioresorbable scaffolds (Absorb)
|
All patients in the PCI arm will be treated with bioresorbable scaffolds (Absorb).
Lesions in native coronary arteries ≥2.25 mm to ≤4.0 mm in diameter (by visual estimate) will be treated after confirmation of functional significance with iFR/FFR.
|
Active Comparator: CABG
coronary artery bypass grafting
|
In the CABG arm the surgery will be carried out according to the routine practice, with the intention of complete revascularization and frequent use of arterial grafts.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Extent of ischemia and left ventricular ejection fraction in cardiovascular magnetic resonance
Time Frame: 12 months after procedure
|
12 months after procedure
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Patency of coronary arteries and grafts in computed tomography angiography
Time Frame: 12 months after procedure
|
12 months after procedure
|
Rates of composite major adverse cardiac and cerebrovascular events (MACCE), such as all-cause death, cardiac death, myocardial infarction, stroke, stent thrombosis, a repeat revascularization
Time Frame: at 30-day after procedure and annually up to 5 years
|
at 30-day after procedure and annually up to 5 years
|
Collaborators and Investigators
Investigators
- Principal Investigator: Maciej Lesiak, MD, PhD, Department of Cardiology, Poznan University of Medical Sciences
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- Poznan01/2015
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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