Rigshospitalet, Denmark

Copenhagen University Hospital Rigshospitalet is Denmark's foremost academic medical center, home to the Neurobiology Research Unit (NRU) led by Professor Gitte Moos Knudsen, which has conducted psychedelic neuroimaging research with psilocybin and LSD since 2017; its affiliated NOESIS clinical research unit runs active trials investigating psilocybin for depression, OCD, and cancer-related distress, plus LSD serotonin 2A receptor occupancy imaging studies, in collaboration with Imperial College London and Karolinska Institutet.