Clinical Research Directory

Inclusion Criteria: 1. Adults aged 19 years or older who are able to understand the risks, benefits, and treatment alternatives of the study and who provide written informed consent voluntarily. 2. Patients who underwent drug-coated balloon treatment at least 12 months prior to enrollment. 3. Patients who have not experienced major adverse cardiovascular events, including myocardial infarction, stroke, or target vessel revascularization, since the index DCB treatment. 4. Patients who have not experienced major bleeding since the index DCB treatment. 5. Patients who are receiving antiplatelet therapy at the time of enrollment. Exclusion Criteria: 1. Patients with concomitant vascular disease requiring long-term antiplatelet therapy. 2. Patients with non-cardiac comorbid conditions that, in the judgment of the investigator, are associated with a life expectancy of less than 1 year or may result in poor compliance with the study protocol. 3. Patients who are participating in another drug or coronary device clinical study at the time of enrollment.