Acute Coronary Syndrome Clinical Trial
— CPASSOfficial title:
Clopidogrel Pharmacogenetic Score System Established for Chinese Patients
The aim of the present study is to evaluate candidate variables,including Cytochrome P450 2C19(CYP2C19) genotypes, clinical and demographic variables,to establish a simple risk score that can be easily adopted by clinicians to identify patients who are at risk for HPR and composite cardiovascular outcomes in Chinese Han patients treated with dual antiplatelet therapy.
Status | Not yet recruiting |
Enrollment | 500 |
Est. completion date | January 2015 |
Est. primary completion date | January 2015 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years to 85 Years |
Eligibility |
Inclusion criteria: - Patients more than 18 years old - Admitted for ACS to the Department of Geriatric Cardiology, General Hospital of Chinese People's Liberation Army - The diagnosis of ACS according to the American Heart Association/American College of Cardiology (AHA/ACC) criteria, 2012 Exclusion criteria: - Known contraindication to dual anti-platelet therapy - History of chronic inflammatory disease - Steroidal and non-steroidal anti-inflammatory drugs use - Previous administration of antiplatelet drugs within 1 month before coronary artery angiography - Illicit drug abuse - Significant bleeding tendency - Cerebrovascular events within 3months - Major surgery within 4 weeks |
Observational Model: Cohort, Time Perspective: Prospective
Country | Name | City | State |
---|---|---|---|
China | Institute of Geriatric Cardiology | Beijing | Beijing |
China | Institute of Geriatric Cardiology, General Hospital of Chinese People's Liberation Army | Beijing | Beijing |
Lead Sponsor | Collaborator |
---|---|
Chinese PLA General Hospital |
China,
Zhang L, Chen Y, Jin Y, Qu F, Li J, Ma C, Yang J, Xu B, Wang H, Li X, Li Y, Zhang Y, Lu C, Yin T. Genetic determinants of high on-treatment platelet reactivity in clopidogrel treated Chinese patients. Thromb Res. 2013 Jul;132(1):81-7. doi: 10.1016/j.thromres.2013.05.006. Epub 2013 May 29. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | high on-treatment platelet reactivity (HPR) | A threshold of 50% maximal post-procedural aggregation was chosen to define HPR. | After 30 days maintenance dose of clopidogrel administration | No |
Secondary | Composite ischemia cardiovascular outcomes | The composite of death from cardiovascular causes, non-fatal myocardial infarction, non-fatal stroke , urgent coronal revascularization,and stent thrombosis. | 1 year | No |
Secondary | Hemorrhagic complications | The primary clinical safety end point of the study is the 1-year incidence of combined major and minor bleeding events defined according to the Thrombolysis in Myocardial Infarction (TIMI) criteria . TIMI major bleedings include hemoglobin reduction >5 g/dL(with or without obvious bleeding spots) , intracranial hemorrhages, and cardiac tamponade.TIMI minor bleedings include hemoglobin reduction >3 g/dL but =5 g/dL ,macroscopic hematuria,hemoptysis,hematemesis,ecchymoma,mucous membrane and other minor bleedings. | 1 year | Yes |
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