At 1-month clinical follow-up, patients eligible for antiplatelet comparison will be additionally randomized 1:1 to either receive the reduce dose of prasugrel (5 mg daily) or conventional dose (10 mg daily). The exclusion criteria (age ≥75 years, body weight <60 kg, or history of TIA or stroke) is classified as observational cohort. Post-PCI, dual antiplatelet therapy is recommended for at least 1 year. Follow-up data will be collected until 3-year after index procedure.