Trial to Assess the Efficacy of Combination Formula of Aspirin Plus Clopidogrel in Patients With Coronary Stent

Exclusion Criteria

• •Patients who were not treated with PCI or intended to treat with PCI but failed.
• •Patients who were taking or had taken other antiplatelet or anticoagulant for more than 2 weeks within the prior 30 days.
• •Patients who had a history of alcohol abuse or intoxication.
• •Patients who had hypersensitivity to clopidogrel or aspirin.
• •Patients who had severe hepatic dysfunction aspartate aminotransferase(AST) or alanine aminotransferase(ALT) \> 3 times upper normal reference values.
• •Patients who had blood coagulation disorders, uncontrolled severe hypertension, active bleeding, or history of severe bleeding, such as intracranial hemorrhage or ulcer bleeding - surgery within 48hr, platelet counts below 50,000/mm3 in laboratory tests.
• •Patients who were pregnant, breastfeeding.
• •Patients who were not using effective methods of contraception. (proper contraception : hormonal contraception, condom, intrauterine device, spermicide)
• •Patients who medically, psychologically had investigational product administration's prohibition.
• •Patients who were not participated in this clinical trial decided by other investigators.