Assessment of Ketamine Binding of the Serotonin Transporter in Humans with Positron Emission Tomography
Spies M, James GM, Berroterán-Infante N, Ibeschitz H, Kranz GS, Unterholzner J, Godbersen M, Gryglewski G, Hienert M, Jungwirth J, Pichler V, Reiter B, Silberbauer L, Winkler D, Mitterhauser M, Stimpfl T, Hacker M, Kasper S, Lanzenberger R. Assessment of Ketamine Binding of the Serotonin Transporter in Humans with Positron Emission Tomography. The International Journal Of Neuropsychopharmacology 2017, 21: 145-153. PMID: 29045739, PMCID: PMC5793827, DOI: 10.1093/ijnp/pyx085.Peer-Reviewed Original ResearchConceptsKetamine plasma levelsPositron emission tomographyAntidepressant effectsPlasma levelsSerotonin transporterEmission tomographyAntidepressant dosePositron emission tomography scanReal-life patient cohortEmission tomography scanHigh-dose ketamineSerotonin transporter bindingTest-retest variabilityWhole brain regionsAntidepressant dosesAntidepressant mechanismPatient cohortTomography scanSerotonergic systemTransporter bindingHealthy subjectsAnimal studiesHigh dosesKetamineAdministrationAdministration of ketamine for unipolar and bipolar depression
Kraus C, Rabl U, Vanicek T, Carlberg L, Popovic A, Spies M, Bartova L, Gryglewski G, Papageorgiou K, Lanzenberger R, Willeit M, Winkler D, Rybakowski JK, Kasper S. Administration of ketamine for unipolar and bipolar depression. International Journal Of Psychiatry In Clinical Practice 2017, 21: 2-12. PMID: 28097909, DOI: 10.1080/13651501.2016.1254802.Peer-Reviewed Original ResearchConceptsBipolar depressionSide effectsResponse rateMost common side effectsLong-term side effectsHamilton Depression Rating ScaleAntidepressant response ratesNausea/vomitingOpen-label trialRapid antidepressant efficacyTreatment-resistant depressionAnti-suicidal effectsCommon side effectsEfficacious treatment optionPrimary outcome measureAdministration of ketamineDepression Rating ScaleNew administration routesWeb of ScienceKetamine efficacyResistant depressionAntidepressant efficacyRelapse rateAntidepressant responseSafety profile