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Randomized, controlled, blind, single-center and non-inferiority clinical trial to compare the target lesion failure (TLF) at 12 months in patients with diabetes mellitus who underwent percutaneous coronary intervention with an Orsiro stent vs. Abluminus stent.
Worldwide, and especially in Mexico, there is a high incidence of diabetes mellitus (DM), which in turn, confers a higher cardiovascular risk in this population. Diabetic patients undergoing PCI have worse outcomes than non-diabetics regardless of the degree of complexity of their coronary anatomy. Although the 30-day in-hospital outcomes have been similar between diabetic and non-diabetic patients, DM has been invariably associated with greater stent failure with target vessel revascularization (TVR), major adverse cardiovascular event (MACE), and mortality in the long-term follow-up, even with the use of drug-eluting stents. In relation to the above, two of the sirolimus-eluting stents (SES): the Abluminus and the Orsiro, have been considered as promising options in patients with DM. The Abluminus stent has been designed for diabetic patients in order to reduce cardiovascular events. Said stent consists of a cobalt-chromium platform covered with a layer of biodegradable polymer and mounted on a balloon, both sirolimus-releasing. The Rate of target lesion failure (TLF) reported to date in diabetic patients is 3.8%. On the other hand, the Orsiro stent, a cobalt-chromium platform with ultrathin struts, has had favorable results in different clinical settings and patients with different characteristics]; specifically in a subgroup analysis in DM, a TLF rate of 3.5% was reported
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Abluminus Sirolimus Eluting Stent System (ASES) | Active Comparator | The Abluminus sirolimus eluting stent manufactured by Envision and distributed by Concept Medical. |
|
| Orsiro Sirolimus Eluting Coronary Stent System (OSES) | Experimental | The Orsiro sirolimus eluting stent manufactured by Biotronik. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Abluminus Sirolimus Eluting Stent System (ASES) | Device | The procedure will be conducted in accordance with the CE mark instructions for use for the ASES. The need or not for postdilation in any segment of the stent will be at the discretion of the operator, seeking its adequate expansion and apposition. To consider PCI to be successful, residual stenosis must be less than or equal to 30% by angiography at the end of the procedure, including the absence of coronary dissection that compromises distal flow or a hemodynamically significant pressure gradient across the lesion. |
| Measure | Description | Time Frame |
|---|---|---|
| Rate of Target Lesion Failure (TLF) | To compare the rate of target lesion failure (composed of cardiovascular death, myocardial infarction related to the treated vessel or ischemia driven target lesion revascularization) | 12 months |
| Measure | Description | Time Frame |
|---|---|---|
| Cardiovascular Death | Cardiovascular death is defined as death resulting from cardiovascular causes. The following categories may be collected:
|
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Inclusion Criteria:
Men and women over 18 years of age.
Provide informed consent and agree to follow up as stipulated in the protocol.
Diabetes mellitus. Whether it is DM 1 or 2 previously diagnosed or newly diagnosed by:
Coronary artery disease including chronic coronary syndrome, silent ischemia, or non-ST-segment elevation acute coronary ischemic syndrome.
Presence of 1 or more de novo coronary lesions in native coronary arteries with a site of maximum stenosis> 50% that may be amenable to stenting; without limitation in the number of lesions or vessels affected.
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Alejandra D Portillo Romero, MD | Contact | +52 55 5573 2911 | 21217 | aleportilloromero@gmail.com |
| Guering Eid Lidt, MD | Contact | 55 5573 2911 | 21217 | guering@yahoo.com |
| Name | Affiliation | Role |
|---|---|---|
| Guering Eid Lidt, MD | Instituto Nacional de Cardiología Ignacio Chávez | Study Director |
| Julio I Farjat Pasos, MD MSc | Instituto Nacional de Cardiología Ignacio Chávez | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Instituto Nacional de Cardiología Ignacio Chávez | Recruiting | Mexico City | Tlalpan | 14080 | Mexico |
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Diabetic patients undergoing percutaneous coronary intervention in de novo lesions are going to be randomized to two groups. One will have percutaneous coronary intervention with Abluminus sirolimus eluting stent implantation, and the other will have percutaneous coronary intervention with Orsiro Sirolimus Eluting stent implantation. The implantation of both stents will be guided by angiography only. In a subgroup of both arms (100 patients per group) the implantation will be also guided by intravascular ultrasound.
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| Orsiro Sirolimus Eluting Coronary Stent System (OSES) | Device | The procedure will be conducted in accordance with the CE mark instructions for use for the OSES. The need or not for postdilation in any segment of the stent will be at the discretion of the operator, seeking its adequate expansion and apposition. To consider PCI to be successful, residual stenosis must be less than or equal to 30% by angiography at the end of the procedure, including the absence of coronary dissection that compromises distal flow or a hemodynamically significant pressure gradient across the lesion. |
|
| 12 months |
| Myocardial Infarction (MI) | Compare the myocardial infarction related to the treated vessel between both groups. (according to the 4th international definition of myocardial infarction) detection of an increase or decrease in cardiac troponin values with at least 1 of the values above the upper reference limit of the 99th percentile and at least 1 of the following conditions :
| 12 months |
| Target Lesion Revascularization (TLR) | Revascularization is clinically driven if the target lesion diameter stenosis is > 50% by quantitative coronary angiography (QCA) and the subject has clinical or functional ischemia which cannot be explained by another native coronary or bypass graft lesion. | 12 months |
| Target vessel revascularization (TVR) | TVR is a repeat percutaneous intervention of the target lesion or bypass surgery of the target vessel performed for restenosis or other complication of the target lesion. | 12 months |
| Target vessel failure (TVF) | To compare the rate of target vessel failure (composed of cardiovascular death, myocardial infarction related to the treated vessel or ischemia driven target vessel revascularization) | 12 months |
| Death caused by other cardiovascular causes. | Compare death from any cause between the two groups. The following categories will be collected:
| 12 months |
| Rate of in-stent restenosis (ISR) | Compare the rate of stent edge restenosis between both groups. Stenosis> 50% of the diameter and one or more of the following: symptoms suggestive of ischemia, electrocardiographic changes suggestive of ischemia, significant pressure gradient across the lesion; or a> 70% reduction in luminal area, even in the absence of data suggestive of ischemia. The categories will be collected according to the Waksman In-Stent Restenosis Classification:
| 12 months |
| Rate of stent thrombosis (ST) | Compare the rate of stent thrombosis between both groups, According to the definition of the Academic Research Consortium (ARC) -2:
| 12 months |
| Major bleeding | Compare the incidence of bleeding complications according to The Bleeding Academic Research Consortium 2 (BARC-2) scale: 3 or greater. | 12 months |
| Rate of Cerebrovascular Event | Compare the rate of cerebrovascular event between both groups according to Neuro-ARC stroke/ Transient ischemic attack (TIA) criteria. | 12 months |
| Contrast Nephropathy | Creatinine increase >0.5 mg / dl or >25% over baseline at 48 hours after the procedure. | 48 hours |
| Technical Success | Technical success is defined as the ability to cross the occluded segment with both a wire and a balloon, and successfully open the artery; the restoration of antegrade Thrombolysis In Myocardial Infarction (TIMI) flow 2 or 3 and a <30% residual stenosis. | 12 months |
| Walter O Magaña Ornelas, MD | Instituto Nacional de Cardiología Ignacio Chávez | Principal Investigator |
| Alejandra D Portillo Romero, MD | Instituto Nacional de Cardiología Ignacio Chávez | Principal Investigator |
| José A Ayón Martínez, MD | Instituto Nacional de Cardiología Ignacio Chávez | Principal Investigator |
| ID | Term |
|---|---|
| D003920 | Diabetes Mellitus |
| D003324 | Coronary Artery Disease |
| D054058 | Acute Coronary Syndrome |
| ID | Term |
|---|---|
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
| D004700 | Endocrine System Diseases |
| D003327 | Coronary Disease |
| D017202 | Myocardial Ischemia |
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
| D001161 | Arteriosclerosis |
| D001157 | Arterial Occlusive Diseases |
| D014652 | Vascular Diseases |
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