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
2011
Glutamate abnormalities in obsessive compulsive disorder: Neurobiology, pathophysiology, and treatment
Pittenger C, Bloch MH, Williams K. Glutamate abnormalities in obsessive compulsive disorder: Neurobiology, pathophysiology, and treatment. Pharmacology & Therapeutics 2011, 132: 314-332. PMID: 21963369, PMCID: PMC3205262, DOI: 10.1016/j.pharmthera.2011.09.006.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderTreatment-refractory OCDGlutamate-modulating agentsSmall clinical trialsNew treatment strategiesCompulsive disorderExcitatory neurotransmitter glutamatePathophysiology of OCDGlutamate abnormalitiesGlutamate dysregulationMonoaminergic neurotransmissionCurrent therapiesClinical trialsDopaminergic neurotransmissionTreatment strategiesCognitive-behavioral psychotherapyTherapeutic benefitAnimal modelsNeurotransmitter glutamateNeurochemical investigationsPathophysiologyNew therapeuticsDisordersRecent evidenceMedications