Overview The Effect of Midazolam Premedication on Copeptine Concentration in Blood Status: Completed Trial end date: 2019-03-01 Target enrollment: Participant gender: Summary The study aim is to assess whether premedication with midazolam prior to surgery affects copeptin concentration in blood. Phase: Phase 4 Details Lead Sponsor: Medical University of WarsawTreatments: Midazolam