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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01186198
Other study ID # 10-802
Secondary ID
Status Completed
Phase
First received
Last updated
Start date August 12, 2010
Est. completion date December 30, 2010

Study information

Verified date January 2023
Source Abbott Medical Devices
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

This is a prospective, single-arm, open-label, multi-center, observational study to assess the acute safety and efficacy of MINI TREK RX 1.20 mm for enlarging coronary luminal diameter during percutaneous coronary intervention (PCI) procedures in subjects with ischemic heart disease due to stenotic lesions.


Recruitment information / eligibility

Status Completed
Enrollment 71
Est. completion date December 30, 2010
Est. primary completion date December 30, 2010
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: General Inclusion Criteria 1. Subject must be at least 18 years of age. 2. Subject or a legally authorized representative must provide written informed consent prior to any study related procedure. 3. Subject must have stenotic lesion(s) in native coronary arteries or bypass grafts that are suitable for percutaneous coronary intervention. 4. Subject must have single or multiple vessel coronary artery disease with clinical evidence of myocardial ischemia (e.g., stable or unstable angina or silent ischemia documented by a positive functional study). 5. Subject must be an acceptable candidate for CABG. 6. Subject must agree to undergo all protocol-required follow-up procedures. 7. Subject must agree not to participate in any other clinical study during hospitalization for the index procedure. Angiographic Inclusion Criteria All angiographic inclusion criteria are based on visual estimation. 1. De novo or restenotic lesions in native coronary arteries or bypass grafts. 2. A maximum of two lesions, including at least one target lesion, in up to two major epicardial distribution trees. Tandem lesions, defined as multiple, focal lesions that can be covered by one stent, will be considered as a single lesion. 3. If one target lesion and one non-target lesion are to be treated, the target and non-target lesions must be located in different major epicardial distribution trees. 4. The target lesion must have a diameter stenosis of = 70% by visual estimation or online quantitative coronary angiography (QCA), which may include chronic total occlusion (CTO). 5. Lesions may be located in highly tortuous vessels. Exclusion Criteria: General Exclusion Criteria 1. Subject has had a known diagnosis of an acute myocardial infarction (AMI) within 72 hours preceding the intended index procedure. 2. The subject is currently experiencing clinical symptoms consistent with a new onset of AMI, such as prolonged chest pain with ischemic ECG changes unresponsive to nitrates. 3. Subject has hemodynamic instability or any hemodynamically unstable cardiac arrhythmias. 4. Subject has a known left ventricular ejection fraction (LVEF) < 30% at the most recent evaluation (LVEF may be obtained at the time of the index procedure if the value is unknown and if necessary). 5. Subject is receiving chronic anticoagulation therapy (e.g., heparin, coumadin). 6. Subject will require Low Molecular Weight Heparin (LMWH) within 8 hours before or at any time after the index procedure. 7. Subject has a known hypersensitivity or contraindication to aspirin, heparin/bivalirudin, anti-platelet medications, or sensitivity to contrast media, which cannot be adequately pre-medicated. 8. Subject has a platelet count < 100,000 cells/mm^3 or > 700,000 cells/mm^3. 9. Subject has a serum creatinine level > 2.0 mg/dl within seven days prior to index procedure. 10. Subject has had a cerebrovascular accident/stroke or transient ischemic neurological attack (TIA) within the past six months. 11. Subject has a history of bleeding diathesis or coagulopathy or will refuse blood transfusions. 12. Subject has had active peptic ulcer or a significant gastrointestinal or urinary bleed within the past six months. 13. Elective surgery is planned during hospitalization for the index procedure that will require discontinuing dual anti-platelet therapy. 14. Subject has other medical illness (e.g., cancer) that may confound the data interpretation or is associated with a limited life expectancy. 15. Subject is currently participating in an investigational study when such participation could confound the treatment or outcomes of this study. 16. Subject is pregnant or nursing. Female subjects of child-bearing potential must have a negative pregnancy test done within 7 days prior to the index procedure per site standard test. Angiographic Exclusion Criteria All angiographic exclusion criteria are based on visual estimation. 1. More than two lesions require treatment. Tandem lesions, defined as multiple, focal lesions that can be covered by one stent, will be considered as a single lesion. 2. Target lesion is located in an unprotected left main artery. 3. Coronary artery spasm in the absence of significant stenosis. 4. Target vessel contains thrombus as indicated in the initial angiographic images. 5. During the index procedure, any lesion requires additional treatment with any adjunctive or ablative device (i.e., rotational or directional atherectomy, cutting balloon, laser, thrombectomy, etc.). 6. Target lesion involving a bifurcation with a side branch = 2.5 mm in diameter, with an ostial lesion > 40% stenosed, or with a side branch requiring protection guide wire or pre-dilatation. 7. Additional clinically significant lesion(s) in any coronary arteries or bypass grafts for which PCI may be required during hospitalization for the index procedure.

Study Design


Intervention

Device:
MINI TREK RX 1.20 mm Coronary Dilatation Catheter
Enlarging coronary luminal diameter during percutaneous coronary intervention (PCI) procedures in subjects with ischemic heart disease due to stenotic lesions

Locations

Country Name City State
United States The Christ Hospital Cincinnati Ohio
United States Scripps Green Hospital La Jolla California
United States Northern Michigan Hospital Petoskey Michigan
United States Peninsula Regional Medical Center Salisbury Maryland

Sponsors (1)

Lead Sponsor Collaborator
Abbott Medical Devices

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Percentage of Participants With Procedure Success Procedure success was defined as meeting all the following after single or multiple attempts:
Successful delivery of the MINI TREK RX 1.20 mm balloon to and across the target lesion,
Successful inflation and deflation with the MINI TREK RX 1.20 mm balloon,
No vessel perforation, no flow-limiting vessel dissection, no reduction in TIMI flow from baseline, and no clinically significant arrhythmias requiring medical treatment or device intervention following dilatation with the MINI TREK RX 1.20 mm balloon, and
Achieve a final TIMI flow grade of 3 at the conclusion of the PCI procedure for the lesion.
On Day 0 (From the start to end of the interventional procedure)
Secondary Rate of Device Success Device Success was defined as meeting all the following after single or multiple attempts:
Successful delivery of the MINI TREK RX 1.20 mm balloon to and across the target lesion, defined as achieving a final residual percent diameter stenosis of < 50%,
Successful dilatation with the MINI TREK RX 1.20 mm balloon as defined by improvement in Minimal Lumen Diameter (MLD) based on core lab analysis, and
No vessel perforation, no flow-limiting vessel dissection, no reduction in TIMI flow from baseline, and no clinically significant arrhythmias that required medical treatment or device intervention following dilatation with the MINI TREK RX 1.20 mm balloon.
On Day 0 (From the start to end of the interventional procedure)
Secondary Rate of Lesion Success Lesion Success was defined as meeting all the following after single or multiple attempts:
Successful dilatation with any device(s), defined as achieving a final residual percent diameter stenosis of < 50%,
No vessel perforation, no flow-limiting vessel dissection, no reduction in TIMI flow from baseline, and no clinically significant arrhythmias requiring medical treatment or device intervention following dilatation with any device(s), and
Achievement of a final TIMI flow grade of 3 at the conclusion of the PCI procedure for the lesion.
On Day 0 (From the start to end of the interventional procedure)
Secondary Rate of Individual Procedural Parameters The following parameters were assessed by either an angiographic core laboratory or the investigator at the site
Vessel perforation
Flow-limiting vessel dissection
Development of thrombus in the target vessel
Balloon rupture
Clinically significant arrhythmias requiring medical treatment or device intervention
On Day 0 (From the start to end of the interventional procedure)
Secondary Rate of Major Adverse Cardiac Event (MACE) In-hospital MACE was defined as the composite of all deaths, myocardial infarction (MI), and clinically indicated target lesion revascularization (CI-TLR) by coronary artery bypass graft surgery (CABG) or PCI during the hospitalization for the index procedure In-Hospital (1 - 3 Days)
Secondary Rate of Target Lesion Failure (TLF) In-hospital TLF was defined as the composite of cardiac death, target vessel myocardial infarction (TV-MI), and CI-TLR by CABG or PCI during the hospitalization for the index procedure In-Hospital (1 - 3 Days)
Secondary Rate of Stent Thrombosis Definite stent thrombosis is considered to have occurred by either angiographic or pathologic confirmation.
Angiographic confirmation involves presence of a thrombus that originates in the stent or in the segment 5 mm proximal or distal to the stent and presence of at least 1 of the following criteria within 48-hours:
Acute onset of ischemic symptoms at rest; New ischemic ECG changes that suggest acute ischemia; Typical rise and fall in cardiac biomarkers; Non-occlusive; Occlusive thrombus
Evidence of recent thrombus within the stent determined at autopsy or via examination of tissue retrieved following thrombectomy is a pathological confirmation.
Probable stent thrombosis is considered to have occur after intracoronary stenting in case of any unexplained death within the first 30 days or any MI that is related to documented acute ischemia in the territory of the implanted stent without angiographic confirmation of stent thrombosis and in the absence of any other obvious cause
In-Hospital (1 - 3 Days)
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