A sTudy of Low Dose vs Standard Dose of tIcaGrelor on Platelet Function After intErvention for Acute Coronary syndRome in Diabetes Mellitus Patients

Exclusion Criteria

• •1. Female of childbearing potential, unless a recent pregnancy test is negative, who possibly plan to become pregnant any time after enrollment into this study
• •2. Active bleeding
• •3. Known hypersensitivity or contraindication to study medications
• •4. Female of childbearing potential, unless a recent pregnancy test is negative, who possibly plan to become pregnant any time after enrollment into this study
• •5. Non-cardiac co-morbid conditions are present with life expectancy \<2 year or that may result in protocol non-compliance (per site investigator's medical judgment).
• •6. Subjects with Cerebral hemorrhage history
• •7. Subjects with stroke history in half a year
• •8. subjects with active malignant tumor
• •9. subjects with whom oral anticoagulants are needed
• •10. Other conditions which the investigators think not applicable to the study.