Bioequivalence Study of AJU-G721 and G721R in Healthy Adult Volunteers Under Fasting Conditions

Inclusion Criteria: * Healthy male adults aged ≥19 years and \<55 years at screening. * Body weight ≥ 50 kg and body mass index (BMI) between 18 and 30 kg/m². * Clinically healthy based on medical history, physical examination, ECG, and laboratory test results, as determined by the investigator. * Willing and able to provide written informed consent. * Agrees to use medically acceptable contraception during the required study period. Exclusion Criteria: * Use of medications known to induce or inhibit drug-metabolizing enzymes within 30 days prior to the first dose, or other medications that may interfere with the study within 10 days prior to dosing. * Participation in another clinical trial involving an investigational product within 6 months prior to the first dose. * Whole blood donation within 8 weeks or component blood donation within 2 weeks prior to the first dose. * History of gastrointestinal resection that may affect drug absorption. * Known hypersensitivity to dutasteride, tamsulosin, or any component of the investigational product. * History of psychiatric illness, or any condition considered unsuitable for study participation by the investigator.