| Recruiting | 4 | 100 | Europe | Ketamine, Ketalar, Placebo, Saline | Geert Meyfroidt, MD, PhD, University of Liege, Centre Hospitalier RĂ©gional de la Citadelle, AZ Delta, AZ Sint-Jan AV, AZ Turnhout, Imelda Hospital, Bonheiden | Brain Injuries, Traumatic | 12/25 | 06/26 | | |