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A Prospective, Randomized, Multicenter Trial to Assess an Everolimus-Eluting Coronary Stent System (PROMUS™ Element™) for the Treatment of a Single De Novo Coronary Artery Lesion (PLATINUM China)

Primary Purpose

Atherosclerosis, Coronary Artery Disease

Status
Unknown status
Phase
Not Applicable
Locations
China
Study Type
Interventional
Intervention
PROMUS Element Coronary Stent System
TAXUS Liberté Coronary Stent System
Sponsored by
Boston Scientific Corporation
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Atherosclerosis

Eligibility Criteria

18 Years - 75 Years (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Clinical Inclusion Criteria:

  • Subject must be age 18 - 75 years
  • Subject (or legal guardian) understands the trial requirements and the treatment procedures and provides written informed consent before any trial- specific tests or procedures are performed
  • Subject is eligible for percutaneous coronary intervention (PCI)
  • Subject has symptomatic coronary artery disease or documented silent ischemia
  • Subject is an acceptable candidate for coronary artery bypass grafting (CABG)
  • Subject has a left ventricular ejection fraction (LVEF) ≥30% as measured within 60 days prior to enrollment
  • Subject is willing to comply with all protocol-required follow-up evaluations

Angiographic Inclusion Criteria:

  • Target lesion must be a de novo lesion located in a native coronary artery with a visually estimated reference vessel diameter (RVD) ≥2.50 mm and ≤ 4.00 mm.
  • Target lesion length must measure <38 mm (by visual estimate)
  • Target lesion must have visually estimated stenosis ≥50% and <100% with Thrombolysis in Myocardial Infarction (TIMI) flow >1.
  • Target lesion must be successfully pre-dilated.

Exclusion Criteria:

  • Subject has clinical symptoms and/or electrocardiogram (ECG) changes consistent with acute MI
  • Subject with unstable angina or recent MI (within 1 week) must have creatine kinase (CK)/ creatine kinase-myoglobin band(CK-MB) or troponin documented prior to the procedure and are excluded if any of the following criteria are met at the time of the index procedure:

    • of CK MB >2× upper limit of normal (ULN), the subject is excluded regardless of the CK Total.
    • If CK Total >2× ULN, either CK-MB or troponin must be drawn and the subject is excluded if either CK-MB or troponin is abnormal.
    • If neither CK Total or CK MB is drawn but troponin is, the subject is excluded if troponin >1× ULN and the subject has at least one of the following:

      • Subject has ischemic symptoms and ECG changes indicative of ongoing ischemia (e.g., >1 mm stent thrombosis (ST) segment elevation or depression in consecutive leads or new left bundle branch block [LBBB])
      • Development of pathological Q waves in the ECG or;
      • Imaging evidence of new loss of viable myocardium or new regional wall motion abnormality Note: Subjects who do not have recent MI or unstable angina must still have CK/CK-MB or troponin drawn prior to the index procedure. However, the results for these subjects do not need to be available prior to the index procedure and there are no exclusion criteria based on these laboratory studies.
  • Subject has received an organ transplant or is on a waiting list for an organ transplant
  • Subject is receiving or scheduled to receive chemotherapy within 30 days before or after the index procedure
  • Subject is receiving oral or intravenous immunosuppressive therapy (Note: use of inhaled steroids does not exclude subjects) or has known life- limiting immunosuppressive or autoimmune disease (e.g., human immunodeficiency virus, systemic lupus erythematosus; Note: this does not include diabetes mellitus)
  • Subject is receiving chronic (≥72 hours) anticoagulation therapy (e.g., heparin, coumadin) for indications other than acute coronary syndrome
  • Subject has a platelet count <100,000 cells/mm3 or >700,000 cells/mm3
  • Subject has a white blood cell (WBC) count <3,000 cells/mm3
  • Subject has documented or suspected liver disease, including laboratory evidence of hepatitis
  • Subject is on dialysis or has serum creatinine level >2.0 mg/dL
  • Subject has active peptic ulcer disease, an active gastrointestinal (GI) bleed, other bleeding diathesis or coagulopathy or will refuse transfusions
  • Subject has had a cerebrovascular accident (CVA) or transient ischemic attack (TIA) within the past 6 months, or has any permanent neurologic defect that may cause non-compliance with the protocol
  • Target vessel (including side branches) has been treated with any type of PCI (e.g., balloon angioplasty, stent, cutting balloon, atherectomy) within 12 months prior to the index procedure
  • Target vessel has been treated within 10 mm proximal or distal to the target lesion (by visual estimate) with any type of PCI (e.g., balloon angioplasty, stent, cutting balloon, atherectomy) at any time prior to the index procedure
  • Non-target vessel has been treated with any type of PCI (e.g., balloon angioplasty, stent, cutting balloon, atherectomy) within 24 hours prior to the index procedure
  • Planned or actual target vessel treatment with an unapproved device, directional or rotational coronary atherectomy, laser, cutting balloon, or transluminal extraction catheter immediately prior to stent placement
  • Planned PCI or CABG after the index procedure
  • Subject previously treated at any time with coronary intravascular brachytherapy
  • Subject has known allergy to the study stent system or protocol-required concomitant medications (e.g., everolimus, paclitaxel or structurally related compounds; fluoropolymers; thienopyridines or aspirin; contrast; acrylic; stainless steel; platinum; chromium; nickel; iron; tungsten) that cannot be adequately premedicated
  • Subject has any other serious medical illness (e.g., cancer, congestive heart failure) that may reduce life expectancy to less than 12 months
  • Subject has current problems with substance abuse (e.g., alcohol, cocaine, heroin, etc.)
  • Subject has a planned procedure that may cause non-compliance with the protocol or confound data interpretation
  • Subject is participating in another investigational drug or device clinical trial that has not reached its primary endpoint or intends to participate in another investigational drug or device clinical trial within 12 months after the index procedure
  • Subject with known intention to procreate within 12 month after the index procedure (Women of child-bearing potential who are sexually active must agree to use a reliable method of contraception from the time of screening through 12 month after the index procedure.)
  • Subject is a woman who is pregnant or nursing (A pregnancy test must be performed within 7 days prior to the index procedure in women of child- bearing potential.)
  • Subject has more than 1 lesion that requires treatment during the index procedure

Angiographic Exclusion Criteria:

  • Target lesion meets any of the following criteria:

    • Left main location
    • Located within 5 mm of the origin of the left anterior descending (LAD) coronary artery or left circumflex (LCX) coronary artery or Right Coronary Artery (RCA) by visual estimate
    • Located within a saphenous vein graft or an arterial graft
    • Will be accessed via a saphenous vein graft or an arterial graft
    • Involves a side branch ≥2.0 mm in diameter by visual estimate
    • Involves a side branch <2.0 mm in diameter by visual estimate which requires treatment
    • TIMI flow 0 (total occlusion) or TIMI flow 1 prior to guide wire crossing
    • Excessive tortuosity proximal to or within the lesion
    • Excessive angulation proximal to or within the lesion
    • Target lesion and/or target vessel proximal to the target lesion ismoderately to severely calcified by visual estimate
    • Restenotic from previous intervention
    • Thrombus, or possible thrombus, present in the target vessel
    • Target lesion cannot be covered by a single study stent (unplanned bailout stenting is allowed)
  • Subject has unprotected left main coronary artery disease (>50% diameter stenosis)
  • Subject has protected left main coronary artery disease (>50% diameter stenosis in the LMCA with bypass graft[s] to the left coronary artery) and a target lesion in the LAD or LCX
  • Subject has an additional clinically significant lesion(s) for which an intervention within 12 months after the index procedure may be required

Sites / Locations

  • Cardiovascular Institute and Fu Wai Hospital
  • Peking Union Medical College Hospital
  • Peking University First Hospital
  • The Chinese People's Liberation Army General Hospital
  • Huaxi Hospital of Sichuan University
  • Daqing General Oil Field Hospital
  • Guangdong Cardiovascular Institute of Guangdong Provincial Hospital
  • Guangdong Nanfang Hospital
  • The 2nd Affiliated Hospital of Harbin Medical University
  • Nanjing First Hospital
  • Shanghai 6th People's Hospital, Jiaotong University
  • Shanghai Chest Hospital of Jiaotong University
  • General Hospital of SY Military Institute
  • TEDA International Cardiovascular Hospital
  • Xijing Hospital, Fourth Military Medical University

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

Active Comparator

Arm Label

PROMUS Element

TAXUS Liberté

Arm Description

PROMUS Element Everolimus-Eluting Coronary Stent System (PROMUS Element)

TAXUS Liberté Paclitaxel-Eluting Coronary Stent System (TAXUS Liberté)

Outcomes

Primary Outcome Measures

9 Month in-stent late loss
The primary endpoint is in-stent late loss measured by quantitative coronary angiography (QCA) at 9 months post-index procedure.

Secondary Outcome Measures

Target vessel failure (TVF) rate
Target lesion revascularization (TLR) rate
Target vessel revascularization (TVR) rate
Target lesion failure (TLF) rate
Major adverse cardiac event (MACE) rate
Myocardial Infarction (MI)(Q-wave and non-Q-wave) rate
Cardiac death rate
Non-cardiac death rate
All death rate
Cardiac death or MI rate
Stent thrombosis rate (definite or probable by Academic Research Consortium [ARC] definitions)
Angiographic endpoints: In-stent and in-segment percent diameter stenosis (%DS), In-segment late loss , In-stent and in-segment binary restenosis rate, In-stent and in-segment minimum lumen diameter (MLD, Stent fracture rate
Periprocedural endpoints: Technical success rate, Clinical procedural success rate, MLD (QCA), Acute gain (QCA)

Full Information

First Posted
January 25, 2011
Last Updated
January 30, 2013
Sponsor
Boston Scientific Corporation
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1. Study Identification

Unique Protocol Identification Number
NCT01285999
Brief Title
A Prospective, Randomized, Multicenter Trial to Assess an Everolimus-Eluting Coronary Stent System (PROMUS™ Element™) for the Treatment of a Single De Novo Coronary Artery Lesion
Acronym
PLATINUM China
Official Title
PLATINUM China: A Prospective, Randomized, Multicenter Trial to Assess an Everolimus-Eluting Coronary Stent System (PROMUS™ Element™) for the Treatment of a Single De Novo Coronary Artery Lesion
Study Type
Interventional

2. Study Status

Record Verification Date
January 2013
Overall Recruitment Status
Unknown status
Study Start Date
January 2011 (undefined)
Primary Completion Date
March 2013 (Anticipated)
Study Completion Date
April 2014 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Boston Scientific Corporation

4. Oversight

Data Monitoring Committee
No

5. Study Description

Brief Summary
The purpose of this study is to evaluate the safety and effectiveness of the PROMUS™ Element™ Everolimus-Eluting Coronary Stent System for the treatment of subjects in China with a single de novo atherosclerotic coronary artery lesion.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Atherosclerosis, Coronary Artery Disease

7. Study Design

Primary Purpose
Treatment
Study Phase
Not Applicable
Interventional Study Model
Parallel Assignment
Masking
Participant
Allocation
Randomized
Enrollment
500 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
PROMUS Element
Arm Type
Experimental
Arm Description
PROMUS Element Everolimus-Eluting Coronary Stent System (PROMUS Element)
Arm Title
TAXUS Liberté
Arm Type
Active Comparator
Arm Description
TAXUS Liberté Paclitaxel-Eluting Coronary Stent System (TAXUS Liberté)
Intervention Type
Device
Intervention Name(s)
PROMUS Element Coronary Stent System
Intervention Description
Everolimus-eluting Coronary Stent
Intervention Type
Device
Intervention Name(s)
TAXUS Liberté Coronary Stent System
Intervention Description
Paclitaxel-eluting Coronary Stent
Primary Outcome Measure Information:
Title
9 Month in-stent late loss
Description
The primary endpoint is in-stent late loss measured by quantitative coronary angiography (QCA) at 9 months post-index procedure.
Time Frame
9 Months
Secondary Outcome Measure Information:
Title
Target vessel failure (TVF) rate
Time Frame
In hospital and at 30 days, 6 months, 9 months, 12 months, and 2 years
Title
Target lesion revascularization (TLR) rate
Time Frame
In hospital and at 30 days, 6 months, 9 months, 12 months, and 2 years
Title
Target vessel revascularization (TVR) rate
Time Frame
In hospital and at 30 days, 6 months, 9 months, 12 months, and 2 years
Title
Target lesion failure (TLF) rate
Time Frame
In hospital and at 30 days, 6 months, 9 months, 12 months, and 2 years
Title
Major adverse cardiac event (MACE) rate
Time Frame
In hospital and at 30 days, 6 months, 9 months, 12 months, and 2 years
Title
Myocardial Infarction (MI)(Q-wave and non-Q-wave) rate
Time Frame
In hospital and at 30 days, 6 months, 9 months, 12 months, and 2 years
Title
Cardiac death rate
Time Frame
In hospital and at 30 days, 6 months, 9 months, 12 months, and 2 years
Title
Non-cardiac death rate
Time Frame
In hospital and at 30 days, 6 months, 9 months, 12 months, and 2 years
Title
All death rate
Time Frame
In hospital and at 30 days, 6 months, 9 months, 12 months, and 2 years
Title
Cardiac death or MI rate
Time Frame
In hospital and at 30 days, 6 months, 9 months, 12 months, and 2 years
Title
Stent thrombosis rate (definite or probable by Academic Research Consortium [ARC] definitions)
Time Frame
In hospital and at 30 days, 6 months, 9 months, 12 months, and 2 years
Title
Angiographic endpoints: In-stent and in-segment percent diameter stenosis (%DS), In-segment late loss , In-stent and in-segment binary restenosis rate, In-stent and in-segment minimum lumen diameter (MLD, Stent fracture rate
Time Frame
9 months
Title
Periprocedural endpoints: Technical success rate, Clinical procedural success rate, MLD (QCA), Acute gain (QCA)
Time Frame
In hospital

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
75 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Clinical Inclusion Criteria: Subject must be age 18 - 75 years Subject (or legal guardian) understands the trial requirements and the treatment procedures and provides written informed consent before any trial- specific tests or procedures are performed Subject is eligible for percutaneous coronary intervention (PCI) Subject has symptomatic coronary artery disease or documented silent ischemia Subject is an acceptable candidate for coronary artery bypass grafting (CABG) Subject has a left ventricular ejection fraction (LVEF) ≥30% as measured within 60 days prior to enrollment Subject is willing to comply with all protocol-required follow-up evaluations Angiographic Inclusion Criteria: Target lesion must be a de novo lesion located in a native coronary artery with a visually estimated reference vessel diameter (RVD) ≥2.50 mm and ≤ 4.00 mm. Target lesion length must measure <38 mm (by visual estimate) Target lesion must have visually estimated stenosis ≥50% and <100% with Thrombolysis in Myocardial Infarction (TIMI) flow >1. Target lesion must be successfully pre-dilated. Exclusion Criteria: Subject has clinical symptoms and/or electrocardiogram (ECG) changes consistent with acute MI Subject with unstable angina or recent MI (within 1 week) must have creatine kinase (CK)/ creatine kinase-myoglobin band(CK-MB) or troponin documented prior to the procedure and are excluded if any of the following criteria are met at the time of the index procedure: of CK MB >2× upper limit of normal (ULN), the subject is excluded regardless of the CK Total. If CK Total >2× ULN, either CK-MB or troponin must be drawn and the subject is excluded if either CK-MB or troponin is abnormal. If neither CK Total or CK MB is drawn but troponin is, the subject is excluded if troponin >1× ULN and the subject has at least one of the following: Subject has ischemic symptoms and ECG changes indicative of ongoing ischemia (e.g., >1 mm stent thrombosis (ST) segment elevation or depression in consecutive leads or new left bundle branch block [LBBB]) Development of pathological Q waves in the ECG or; Imaging evidence of new loss of viable myocardium or new regional wall motion abnormality Note: Subjects who do not have recent MI or unstable angina must still have CK/CK-MB or troponin drawn prior to the index procedure. However, the results for these subjects do not need to be available prior to the index procedure and there are no exclusion criteria based on these laboratory studies. Subject has received an organ transplant or is on a waiting list for an organ transplant Subject is receiving or scheduled to receive chemotherapy within 30 days before or after the index procedure Subject is receiving oral or intravenous immunosuppressive therapy (Note: use of inhaled steroids does not exclude subjects) or has known life- limiting immunosuppressive or autoimmune disease (e.g., human immunodeficiency virus, systemic lupus erythematosus; Note: this does not include diabetes mellitus) Subject is receiving chronic (≥72 hours) anticoagulation therapy (e.g., heparin, coumadin) for indications other than acute coronary syndrome Subject has a platelet count <100,000 cells/mm3 or >700,000 cells/mm3 Subject has a white blood cell (WBC) count <3,000 cells/mm3 Subject has documented or suspected liver disease, including laboratory evidence of hepatitis Subject is on dialysis or has serum creatinine level >2.0 mg/dL Subject has active peptic ulcer disease, an active gastrointestinal (GI) bleed, other bleeding diathesis or coagulopathy or will refuse transfusions Subject has had a cerebrovascular accident (CVA) or transient ischemic attack (TIA) within the past 6 months, or has any permanent neurologic defect that may cause non-compliance with the protocol Target vessel (including side branches) has been treated with any type of PCI (e.g., balloon angioplasty, stent, cutting balloon, atherectomy) within 12 months prior to the index procedure Target vessel has been treated within 10 mm proximal or distal to the target lesion (by visual estimate) with any type of PCI (e.g., balloon angioplasty, stent, cutting balloon, atherectomy) at any time prior to the index procedure Non-target vessel has been treated with any type of PCI (e.g., balloon angioplasty, stent, cutting balloon, atherectomy) within 24 hours prior to the index procedure Planned or actual target vessel treatment with an unapproved device, directional or rotational coronary atherectomy, laser, cutting balloon, or transluminal extraction catheter immediately prior to stent placement Planned PCI or CABG after the index procedure Subject previously treated at any time with coronary intravascular brachytherapy Subject has known allergy to the study stent system or protocol-required concomitant medications (e.g., everolimus, paclitaxel or structurally related compounds; fluoropolymers; thienopyridines or aspirin; contrast; acrylic; stainless steel; platinum; chromium; nickel; iron; tungsten) that cannot be adequately premedicated Subject has any other serious medical illness (e.g., cancer, congestive heart failure) that may reduce life expectancy to less than 12 months Subject has current problems with substance abuse (e.g., alcohol, cocaine, heroin, etc.) Subject has a planned procedure that may cause non-compliance with the protocol or confound data interpretation Subject is participating in another investigational drug or device clinical trial that has not reached its primary endpoint or intends to participate in another investigational drug or device clinical trial within 12 months after the index procedure Subject with known intention to procreate within 12 month after the index procedure (Women of child-bearing potential who are sexually active must agree to use a reliable method of contraception from the time of screening through 12 month after the index procedure.) Subject is a woman who is pregnant or nursing (A pregnancy test must be performed within 7 days prior to the index procedure in women of child- bearing potential.) Subject has more than 1 lesion that requires treatment during the index procedure Angiographic Exclusion Criteria: Target lesion meets any of the following criteria: Left main location Located within 5 mm of the origin of the left anterior descending (LAD) coronary artery or left circumflex (LCX) coronary artery or Right Coronary Artery (RCA) by visual estimate Located within a saphenous vein graft or an arterial graft Will be accessed via a saphenous vein graft or an arterial graft Involves a side branch ≥2.0 mm in diameter by visual estimate Involves a side branch <2.0 mm in diameter by visual estimate which requires treatment TIMI flow 0 (total occlusion) or TIMI flow 1 prior to guide wire crossing Excessive tortuosity proximal to or within the lesion Excessive angulation proximal to or within the lesion Target lesion and/or target vessel proximal to the target lesion ismoderately to severely calcified by visual estimate Restenotic from previous intervention Thrombus, or possible thrombus, present in the target vessel Target lesion cannot be covered by a single study stent (unplanned bailout stenting is allowed) Subject has unprotected left main coronary artery disease (>50% diameter stenosis) Subject has protected left main coronary artery disease (>50% diameter stenosis in the LMCA with bypass graft[s] to the left coronary artery) and a target lesion in the LAD or LCX Subject has an additional clinically significant lesion(s) for which an intervention within 12 months after the index procedure may be required
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Peter Maurer
Organizational Affiliation
Boston Scientific Corporation
Official's Role
Study Director
Facility Information:
Facility Name
Cardiovascular Institute and Fu Wai Hospital
City
Beijing
Country
China
Facility Name
Peking Union Medical College Hospital
City
Beijing
Country
China
Facility Name
Peking University First Hospital
City
Beijing
Country
China
Facility Name
The Chinese People's Liberation Army General Hospital
City
Beijing
Country
China
Facility Name
Huaxi Hospital of Sichuan University
City
Chengdu
Country
China
Facility Name
Daqing General Oil Field Hospital
City
Daqing
Country
China
Facility Name
Guangdong Cardiovascular Institute of Guangdong Provincial Hospital
City
Guangzhou
Country
China
Facility Name
Guangdong Nanfang Hospital
City
Guangzhou
Country
China
Facility Name
The 2nd Affiliated Hospital of Harbin Medical University
City
Harbin
Country
China
Facility Name
Nanjing First Hospital
City
Nanjing
Country
China
Facility Name
Shanghai 6th People's Hospital, Jiaotong University
City
Shanghai
Country
China
Facility Name
Shanghai Chest Hospital of Jiaotong University
City
Shanghai
Country
China
Facility Name
General Hospital of SY Military Institute
City
Shen Yang
Country
China
Facility Name
TEDA International Cardiovascular Hospital
City
Tianjin
Country
China
Facility Name
Xijing Hospital, Fourth Military Medical University
City
Xi'an
Country
China

12. IPD Sharing Statement

Citations:
PubMed Identifier
25631909
Citation
Gao R, Han Y, Yang Y, Zhang J, Hou Y, Wang H, Li H, Fang Q, Yu B, Xu B, Allocco DJ, Dawkins KD. PLATINUM China: a prospective, randomized investigation of the platinum chromium everolimus-eluting stent in de novo coronary artery lesions. Catheter Cardiovasc Interv. 2015 Mar;85 Suppl 1:716-23. doi: 10.1002/ccd.25859. Epub 2015 Feb 18.
Results Reference
derived

Learn more about this trial

A Prospective, Randomized, Multicenter Trial to Assess an Everolimus-Eluting Coronary Stent System (PROMUS™ Element™) for the Treatment of a Single De Novo Coronary Artery Lesion

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