To Evaluate the Safety and Pharmacokinetic Interaction Between HODO-22251 and HODO-22252 in Healthy Adults

This study is testing whether there is any interaction between two experimental drugs — HODO-22251 and HODO-22252 — when taken together in healthy adults, to make sure it is safe to combine them in future studies. **You may be eligible if...** - You are 19 years or older - You are a healthy adult volunteer with no significant medical conditions - Your body mass index (BMI) is between 18.5 and 29.9 (normal to slightly overweight range) **You may NOT be eligible if...** - You have any untreated or ongoing medical conditions that could affect how the body processes medications - You have relevant abnormal findings in blood tests, blood pressure, or heart rhythm - You are pregnant or breastfeeding - You have a known allergy to the study drugs Talk to your doctor to see if this trial is right for you.