Carotid Artery Stenosis Clinical Trial
Official title:
Protective Effects of Long-term Remote Limb Ischemic Preconditioning For Carotid Artery Stenting
Verified date | October 2015 |
Source | Capital Medical University |
Contact | n/a |
Is FDA regulated | No |
Health authority | China: Food and Drug Administration |
Study type | Interventional |
Remote limb ischemic preconditioning (RIPC) has neuro-protective and anti-inflammatory effects on ischemia- reperfusion injury. As the extent of its effect is unknown, the investigators will use clinical outcome, serum biochemical markers and brain magnetic resonance imaging (MRI) to determine whether RIPC has neuro-protective and anti-inflammatory effects on patients undergoing carotid artery stenting.
Status | Completed |
Enrollment | 189 |
Est. completion date | July 2015 |
Est. primary completion date | January 2015 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years to 80 Years |
Eligibility |
Inclusion Criteria: 1. Symptomatic or asymptomatic carotid artery stenosis. In symptomatic patients the degree of stenosis should more than 60% (Based on NASCET Criteria), in asymptomatic patients the degree of stenosis should more than 70% (Based on NASCET Criteria); 2. Tolerance to any of the study medications, including clopidogrel, aspirin and statins; 3. Can cooperate with and complete brain MRI examination; 4. Has a negative pregnancy test within 7 days before randomization and no childbearing potential; 5. Vascular ultrasound excluded intravascular thrombosis and unstable plaques in blood vessels of the bilateral upper limbs; 6. No hemorrhagic tendency; 7. Stable vital sign, normal renal and hepatic functions; 8. Informed consent. Exclusion Criteria: 1. Evolving stroke; 2. Prior major ipsilateral stroke, if likely to confound study endpoints; 3. Severe dementia; 4. Hemorrhagic conversion of an ischemic stroke within the past 60 days; 5. Chronic atrial fibrillation; 6. Myocardial infarction within previous 30 days; 7. Inability to understand and cooperate with study procedures or provide informed consent; 8. Participating in other device or drug trial that has not completed the required protocol follow-up period; 9. Any conditions that hampers proper angiographic assessment or makes percutaneous arterial access unsafe; 10. High risk candidates defined as the Carotid Revascularization Endarterectomy vs. Stenting Trial (CREST); 11. Any vascular, extremity soft tissue or orthopedic injury that may contraindicate bilateral arm ischemic preconditioning (e.g. superficial wounds and fractures of the arm); 12. Blood pressure cannot be controlled lower than 200 mmHg by medications; 13. Peripheral blood vessel disease (especially subclavian arterial and upper limb artery stenosis or occlusion). |
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Investigator, Outcomes Assessor), Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
China | Baojun Hou | Beijing | Beijing |
Lead Sponsor | Collaborator |
---|---|
Ji Xunming |
China,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Number of Patients With Cerebrovascular Events, Cardiovascular Events or Death. | Cerebrovascular events included ischemic stroke, transient ischemic attack (TIA), cerebral hemorrhage and hyperperfusion syndrome. Cardiovascular events included angina and myocardial infarction.Death included any reason caused death. | Within six months after carotid artery stenting | Yes |
Primary | Participants Who Got New Diffusion-weighted Imaging (DWI) Lesions on Post-treatment Magnetic Resonance Imaging (MRI) Scans. | Within 48 hours after carotid artery stenting. | Yes | |
Secondary | Serum High-sensitive C-reactive Protein (Hs-CRP). | Baseline, on admission, and 1 and 24 hours after carotid artery stenting. | Yes | |
Secondary | Number of Patients With Any Side Effects of Remote Ischemic Preconditioning (RIPC) Treatment. | The side effects referred to any side effects of RIPC or sham RIPC treatment, not including the sides effect of medications and CAS. | From baseline to 6 months after treatment. | Yes |
Secondary | Serum Neuron Specific Enolase (NSE) Levels. | Baseline, on admission, and 1 and 24 hours after carotid artery stenting. | Yes | |
Secondary | Serum S-100B Levels. | Baseline, on admission, and 1 and 24 hours after carotid artery stenting. | Yes |
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