Safety and Pharmacokinetics Study of Healthy Male Adults When Repeatedly Administered Through Intravenous Injection

"1. Description: GC1102 IV bolus injection during 10\~ 30 seconds.~2. Amount: group1-3ml, group2-5ml, group3-8ml~3. Subject number: group1-8, group2-8, group3-8~4. Administration time: 1day, 2day, 3day, 4day, 5day, 6day, 7day(total: 7 times)"

"1. Description: Normal saline IV bolus injection through 10\~ 30 seconds.~ * Each 3 subjects of this placebo comparator group will match with group 1,2,3 respectively. Placebo comparator subjects in each group will be treated with same condition of each group(group 1, group 2, group 3) except being administered JW normal saline.~2. Subject number: 9~3. Administration time: 1day, 2day, 3day, 4day, 5day, 6day, 7day(total: 7 times)"