Overview Reversal of Ketamine Pharmacodynamic Effects With Naloxone Status: Terminated Trial end date: 2017-12-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether the analgetic and other effects effect of ketamine are partly mediated through opioid receptors Phase: Phase 4 Details Lead Sponsor: Ullevaal University HospitalCollaborator: University of OsloTreatments: KetamineNaloxone