A Randomized, Open Label, Drug-Drug interaction study to investigate effect of ketoconazole or rifampicin on the Pharmacokinetic characteristics and safety of LC15-0444 in Healthy Male Volunteers.

This study is a randomized, open-label, 2-period, 3-treatment, 1-sequence, drug-drug interaction study in healthy volunteers to evaluate effect of ketoconazole or rifampicin on the PK characteristic and safety of LC15-0444.

Eligibility for participation of this study will be determined by demographic information, medical history, physical examination, electrocardiogram (ECG) and clinical laboratory tests within 4 weeks(-28 d ~ -2 d) before the first drug administration(1 d). Eligible subjects will be randomized to one of study treatment groups.

According to the characteristics of anti-diabetic drugs, it is expected to be administered with other drugs in many patients. Therefore, Drug-Drug Interaction with CYP3A4 inducer and inhibitor should be identified in this trial.

Inclusion Criteria:

• Is a healthy male between 20 and 50 years old
• Has BMI result between 19 and 26 kg/m2 at screening; and a total body weight over 55 kg. BMI(kg/m2) = body weight(kg)/{height(m)}2.
• Is willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures
• Agrees to use an adequate means of contraception during clinical trials

Exclusion Criteria:

• Subjects with evidence or history of clinically significant hepatic, renal, digestive, neurologic, pulmonary, musculoskeletal, endocrine, hematological, cardiovascular or psychiatric disease
• Subjects with evidence or history of gastrointestinal disease or surgery possibly affecting drug absorption.
• Subjects with history of hypersensitivities or clinically significant adverse events caused by DPPIV inhibitors, ketoconazole, rifampicin, and other drugs
• Subjects who have donated a unit of blood within 60 days or blood components within 30 days before the first administration of the investigational product.
• Subjects who consume excessive alcohol or caffeine; who excessively smoke