Overview Pharmacodynamics of Mitiglinide/Sitagliptin Compared to Mitiglinide and Sitagliptin Status: Completed Trial end date: 2011-04-01 Target enrollment: Participant gender: Summary 1. Explore pharmacodynamics - glucose - insulin - C-peptide - glucagon - intact GLP-1 - DPP-4 activity - CGMS (continuous glucose monitoring system) 2. Assess Safety - adverse events - clinical laboratory test - physical examination Phase: Phase 1 Details Lead Sponsor: Samsung Medical CenterCollaborator: JW PharmaceuticalTreatments: MitiglinideSitagliptin Phosphate