Multiple Ascending Dose of DW4421, phase I

Inclusion Criteria:

• Healthy adult aged 19 to 50 (inclusive) years, at the time of screening.
• Subjects weighing between 50 kg and 90 kg with BMI between 18 and 27 kg/m2 (inclusive) at screening visit.

Exclusion Criteria:

• Those who have clinical significant liver, kidney, nervous system, respiratory, endocrine, hematology and oncology, cardiovascular, urinary, and mental diseases or past history.

A decision on whether to share individual participant data has not yet been made. We plan to evaluate the feasibility of data sharing after the study is completed and the primary results are published