Coronary Artery Disease
Conditions
Keywords
Drug-eluting stent, OCT, Re-endothelialization
Brief summary
The objective of the study is to evaluate the process of early re-endothelialization of the Coroflex® ISAR Drug-eluting stent compared with the Ultimaster® Drug-eluting stent
Detailed description
The objective of the study is to evaluate the process of early re-endothelialization of the Coroflex® ISAR Drug-eluting stent compared with the Ultimaster® Drug-eluting stent
Interventions
Coroflex® ISAR Drug-eluting stent and an Ultimaster® Drug-eluting stent in the second lesion.
Ultimaster® Drug-eluting stent and a Coroflex® ISAR Drug-eluting stent in the second lesion.
Sponsors
Study design
Eligibility
Inclusion criteria
* Aged ≥ 18 years * Signature of informed consent * Patients with angina and a clinical indication for coronary revascularisation with a drug-eluting stent * Presence of at least 2 lesions to be revascularised with similar angiographic characteristics * Reference lesion diameter with at most a difference of 0.5 mm * Maximum difference in lesion length of 10 mm * Lesions able to be treated with only 1 stent
Exclusion criteria
* Lesions due to restenosis * Lesions in saphenous vein grafts * STE-ACS ( ST elevation- Acute Coronary Syndrome) * Cardiogenic shock * Dual antiplatelet therapy contraindication for\> 3 months * Follow-up catheterisation contraindicated * Chronic kidney failure with creatinine \> 2 mg/dL * Allergy to iodinated contrast agents * Serious complication from vascular access in previous catheterisation * Ineligible for evaluation via optical coherence tomography * Lesion located \<5 mm from aorto-ostial junction * Severe proximal angulation \>90º * Bifurcation lesion requiring a strategy with two stents * Angiographic characteristics that promote stent malposition * Aneurysm or coronary artery ectasia * Presence of a thrombus classed as TIMI (Thrombolysis In Myocardial Infarction )2 flow or higher * Severe calcification, in particular in cases of calcium spike * Severe lesion angulation * Inability to do reliable follow-up, in the investigator's opinion
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Percentage of stents with ≥3% of uncovered struts at 3 months OCT after stent implantation. | 3 months |
| Percentage of early coating on the struts of the Coroflex® ISAR Drug-eluting stent versus Ultimaster® - Drug eluting stent at 3 months OCT after stent implantation. | 3 months |
| Percentage of covered struts at 3 months OCT after stent implantation. | 3 months |
| Percentage of uncovered struts ≥3% at 3 months OCT after stent implantation. | 3 months |
| Number of transversal sections with a percentage (rate of uncovered struts/ total number of struts) > 30 % at 3 months OCT after stent implantation. | 3 months |
Secondary
| Measure | Time frame |
|---|---|
| Percentage of stent malapposition at 1 month and 3 months OCT after stent implantation. | 1 month and 2 months and 3 months |
| Percentage of struts malapposition at 1 month and 3 months OCT after stent implantation. | 1 month and 2 months and 3 months |
| Percentage of covered struts, at 1 month, 2 months and 3 months OCT after stent implantation. | 1 month and 2 months and 3 months |
| Percentage of stents with any malapposition strut > 260 µm at 1 month and 3 months OCT after stent implantation. | 1 month and 2 months and 3 months |
| Healing Score at 1 month and 3 months OCT after stent implantation . | 1 month and 2 months and 3 months |
| Percentage of struts malapposition> 260 µm at 1 month and 3 months OCT after stent implantation. | 1 month and 2 months and 3 months |
| Total Tissue coverage at 1month, 2 months and 3 months OCT after stent implantation. | 1 month and 2 months and 3 months |
| Mean thickness of struts tissue coverage at 1 month, 2 months and 3 months OCT after stent implantation. | 1 month and 2 months and 3 months |
| MACE (Major Adverse Cardiac Events) at 30 days, 3 months, 6 months and 12 months. | 30 days and 3 months and 6 months and 12 months |
| Target lesion revascularization and target vessel revascularization at 30 days, 3 months, 6 months and 12 months OCT after stent implantation . | 30 days and 3 months and 6 months and 12 months |
Countries
Spain