A Study to Evaluate the Effectiveness and Safety of Fixed-Dose Combination of Pitavastatin/ Ezetimibe

Inclusion Criteria: * Adults aged 19 years or older * Patients diagnosed with hypercholesterolemia who have been stably treated with atorvastatin or rosuvastatin monotherapy for at least 3 months, and for whom switching to fixed-dose combination pitavastatin/ezetimibe has been clinically decided * Patients with available clinical laboratory test results related to efficacy and safety (TC, TG, HDL-C, LDL-C, AST, ALT, Cr/eGFR) within 12 months prior to switching to fixed-dose combination pitavastatin/ezetimibe (no changes in statin regimen or dosage during that period) * Individuals (or their legally authorized representatives) who voluntarily provide written informed consent to participate in the study Exclusion Criteria: * Known hypersensitivity or history of hypersensitivity to any component of the investigational product * Patients with active liver disease or persistent, unexplained elevations of aminotransferase levels * Patients with severe hepatic impairment, biliary obstruction, or cholestasis * Patients currently receiving cyclosporine treatment * Patients diagnosed with myopathy * Pregnant or breastfeeding women, or women who may be pregnant * Patients with genetic disorders such as galactose intolerance, Lapp lactase deficiency, or glucose-galactose malabsorption * Any patient who, in the opinion of the investigator, is deemed unsuitable for study participation