2013
Two cases of delayed-onset suicidal ideation, dysphoria and anxiety after ketamine infusion in patients with obsessive–compulsive disorder and a history of major depressive disorder
Niciu MJ, Grunschel B, Corlett PR, Pittenger C, Bloch MH. Two cases of delayed-onset suicidal ideation, dysphoria and anxiety after ketamine infusion in patients with obsessive–compulsive disorder and a history of major depressive disorder. Journal Of Psychopharmacology 2013, 27: 651-654. PMID: 23676198, DOI: 10.1177/0269881113486718.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderAntidepressant effectsPsychiatric comorbidityComorbid depressionNon-competitive N-methyl-D-aspartate (NMDA) receptor antagonistN-methyl-D-aspartate receptor antagonistTreatment-refractory obsessive-compulsive disorderAcute antidepressant effectsTreatment-resistant unipolarOpen-label trialSevere respiratory depressionAdverse neuropsychiatric effectsComorbid psychiatric disordersMinimal depressive symptomsOff-label useMajor depressive disorderStart of infusionRespiratory depressionIntravenous ketamineNeuropsychiatric effectsKetamine infusionBipolar depressionReceptor antagonistDepressive disorderSedative effects
2012
Effects of Ketamine in Treatment-Refractory Obsessive-Compulsive Disorder
Bloch MH, Wasylink S, Landeros-Weisenberger A, Panza KE, Billingslea E, Leckman JF, Krystal JH, Bhagwagar Z, Sanacora G, Pittenger C. Effects of Ketamine in Treatment-Refractory Obsessive-Compulsive Disorder. Biological Psychiatry 2012, 72: 964-970. PMID: 22784486, PMCID: PMC3667652, DOI: 10.1016/j.biopsych.2012.05.028.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderKetamine infusionDepression symptomsLow-dose ketamine infusionTreatment-refractory obsessive-compulsive disorderOCD symptomsPathogenesis of OCDIncomplete symptom reliefTreatment-Refractory ObsessiveOpen-label trialRapid antidepressant effectsAspartate glutamate receptorsEffects of ketaminePotent noncompetitive antagonistGlutamate abnormalitiesAntidepressant effectsAntidepressant responseSymptom reliefKetamine effectsComorbid depressionAcute effectsGlutamate receptorsDepressive symptomsNoncompetitive antagonistInfusion