Overview Sitagliptin and Glucagon Counterregulation Status: Completed Trial end date: 2017-06-01 Target enrollment: Participant gender: Summary To evaluate the effect of DPP-4 inhibition on glucagon counter-regulatory mechanisms at moderate hypoglycemia in metformin-treated subjects with T2DM Phase: Phase 4 Details Lead Sponsor: Lund UniversityCollaborator: Merck Sharp & Dohme Corp.Treatments: GlucagonSitagliptin Phosphate