The objective of the study was to investigate the drug-drug interaction between LC15-0444 and metformin by comparing the pharmacokinetic/pharmacodynamic, safety, tolerability in healthy male subjets after oral administration concomitantly and each alone.

Inclusion Criteria:

• Age between 20 to 45, healthy male subjects(at screening)
• Body weight between 55kg - 90kg, BMI between 18.0 - 27.0
• FPG 70-125mg/dL glucose level(at screening)
• Subject who totally understand the progress of this clinical trials, make decision by his free will, and signed a consent form to follow the progress.

Exclusion Criteria:

• Subject who has past or present history of any diseases following below.(liver including hepatitis virus carrier, kidney, Neurology,immunology,pulmonary,endocrine,hematooncology,cardiology,mental disorder.)
• Subject who had GI tract disease or(ulcer, acute or chronic pancreatitis) surgery.(appendectomy, hernioplasty are not included)
• Subject who had drug hypersensitivity reaction.(Aspirin, antibiotics)
• Subject who already participated in other trials in 2months
• Subject who had whole blood donation in 2months, or component blood donation in 1months or transfusion in 1months currently.
• Smokers.(but, if the subject did'nt smoke in 3months, can participate the trial)