2023
511. Common and Distinct Effects of Incentives on Spatial Working Memory in Schizophrenia and Obsessive-Compulsive Disorder
Sarantopoulos C, Shin D, Schleifer C, Moujaes F, Adkinson B, Ji J, Kolabaric A, Flynn M, Santamauro N, Krystal J, Murray J, Repovs G, Martin W, Pittenger C, Anticevic A, Cho Y. 511. Common and Distinct Effects of Incentives on Spatial Working Memory in Schizophrenia and Obsessive-Compulsive Disorder. Biological Psychiatry 2023, 93: s300-s301. DOI: 10.1016/j.biopsych.2023.02.751.Peer-Reviewed Original ResearchSpatial working memoryObsessive-compulsive disorderWorking memoryMemoryDistinct effectsSchizophreniaDisorders
2017
Metabotropic Glutamatergic Receptor 5 and Stress Disorders: Knowledge Gained From Receptor Imaging Studies
Esterlis I, Holmes SE, Sharma P, Krystal JH, DeLorenzo C. Metabotropic Glutamatergic Receptor 5 and Stress Disorders: Knowledge Gained From Receptor Imaging Studies. Biological Psychiatry 2017, 84: 95-105. PMID: 29100629, PMCID: PMC5858955, DOI: 10.1016/j.biopsych.2017.08.025.Peer-Reviewed Original ResearchConceptsMajor depressive disorderPositron emission tomography studyEmission tomography studiesMGluR5 modulationAntidepressant responseStress disorderBipolar disorderStress-related psychiatric disordersTomography studyAntagonism of mGluR5Ketamine’s antidepressant responseSignificant side effectsPromising therapeutic targetReceptor imaging studiesPosttraumatic stress disorderMDD heterogeneityManic mood statesAntidepressant efficacyObsessive-compulsive disorderDepressive disorderSubtype 5Neurotransmitter systemsPsychiatric disordersReceptor 5Side effects
2013
Global Resting-State Functional Magnetic Resonance Imaging Analysis Identifies Frontal Cortex, Striatal, and Cerebellar Dysconnectivity in Obsessive-Compulsive Disorder
Anticevic A, Hu S, Zhang S, Savic A, Billingslea E, Wasylink S, Repovs G, Cole MW, Bednarski S, Krystal JH, Bloch MH, Li CS, Pittenger C. Global Resting-State Functional Magnetic Resonance Imaging Analysis Identifies Frontal Cortex, Striatal, and Cerebellar Dysconnectivity in Obsessive-Compulsive Disorder. Biological Psychiatry 2013, 75: 595-605. PMID: 24314349, PMCID: PMC3969771, DOI: 10.1016/j.biopsych.2013.10.021.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderPrefrontal cortexResting-state functional connectivity dataStriatum/nucleus accumbensVentral striatum/nucleus accumbensResting-state functional connectivity studiesVentral anterior cingulate cortexCortico-striatal circuitsMagnetic Resonance Imaging AnalysisAnterior cingulate cortexFunctional connectivity studiesBasal gangliaControl subjectsFunctional connectivity dataAnterior thalamusRight putamenFrontal cortexNucleus accumbensDorsal striatumCerebellar cortexAbnormal neural connectivityCerebellar dysconnectivityCingulate cortexWhole brainFunctional magnetic resonance imaging (fMRI) analysis
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
2009
Dimensional predictors of response to SRI pharmacotherapy in obsessive–compulsive disorder
Landeros-Weisenberger A, Bloch MH, Kelmendi B, Wegner R, Nudel J, Dombrowski P, Pittenger C, Krystal JH, Goodman WK, Leckman JF, Coric V. Dimensional predictors of response to SRI pharmacotherapy in obsessive–compulsive disorder. Journal Of Affective Disorders 2009, 121: 175-179. PMID: 19577308, PMCID: PMC3974618, DOI: 10.1016/j.jad.2009.06.010.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderSRI responseSymptom dimensionsOpen-label continuation phaseClinical Global Improvement ScaleGlobal Improvement ScaleCentral serotonin systemInitial positive responseYale-Brown ObsessiveContinuation phaseMinor symptomsOrdinal logistic regressionClinical trialsSerotonin systemTreatment responseSame patientImprovement ScaleSRI treatmentPatientsSignificant associationLogistic regressionCompulsive ScaleOCD patientsOCD subjectsSymptoms
2008
Riluzole in the Treatment of Mood and Anxiety Disorders
Pittenger C, Coric V, Banasr M, Bloch M, Krystal JH, Sanacora G. Riluzole in the Treatment of Mood and Anxiety Disorders. CNS Drugs 2008, 22: 761-786. PMID: 18698875, DOI: 10.2165/00023210-200822090-00004.Peer-Reviewed Original ResearchConceptsTreatment of moodAnxiety disordersMultiple molecular actionsOpen-label trialPlacebo-controlled trialAmino acid neurotransmissionCommon adverse effectsLiver function testsAmyotrophic lateral sclerosisVoltage-gated sodium channelsBorderline personality disorderSelf-injurious behaviorStandard therapyIll patientsBipolar depressionFunction testsObsessive-compulsive disorderCase reportGlutamatergic neurotransmissionGlutamate levelsExtracellular glutamateClinical consequencesLateral sclerosisAstrocytic uptakeRiluzole
2006
Glutamate-modulating drugs as novel pharmacotherapeutic agents in the treatment of obsessive-compulsive disorder
Pittenger C, Krystal JH, Coric V. Glutamate-modulating drugs as novel pharmacotherapeutic agents in the treatment of obsessive-compulsive disorder. Neurotherapeutics 2006, 3: 69-81. PMID: 16490414, PMCID: PMC3593363, DOI: 10.1016/j.nurx.2005.12.006.Peer-Reviewed Original ResearchConceptsGlutamate modulating agentsObsessive-compulsive disorderTreatment of OCDRecent magnetic resonance spectroscopy (MRS) studyTreatment-resistant obsessive-compulsive disorderModulating agentsGlutamate-modulating drugsThalamo-cortical circuitrySerotonin reuptake inhibitorsElevated glutamate levelsCurrent treatment strategiesMagnetic resonance spectroscopy studyCommon psychiatric disordersNovel pharmacotherapeutic agentsAmyotrophic lateral sclerosisNovel therapeutic interventionsFunctional neuroimaging studiesGlutamate hyperactivityComplete remissionReuptake inhibitorsGlutamatergic activityMetabolic hyperactivitySignificant morbidityCase reportCortico-striato
2005
N-acetylcysteine augmentation in serotonin reuptake inhibitor refractory obsessive-compulsive disorder
Lafleur DL, Pittenger C, Kelmendi B, Gardner T, Wasylink S, Malison RT, Sanacora G, Krystal JH, Coric V. N-acetylcysteine augmentation in serotonin reuptake inhibitor refractory obsessive-compulsive disorder. Psychopharmacology 2005, 184: 254-256. PMID: 16374600, DOI: 10.1007/s00213-005-0246-6.Peer-Reviewed Original ResearchConceptsRefractory obsessive-compulsive disorderObsessive-compulsive disorderN-acetylcysteineGlutamatergic neurotransmissionUse of NACYale-Brown Obsessive Compulsive Scale scoresSerotonin reuptake inhibitorsEfficacy of augmentationRecent clinical reportsTreatment of OCDCompulsive Scale scoresNAC augmentationGlutamatergic dysfunctionReuptake inhibitorsLabel usePsychiatric disordersClinical reportsScale scoreModulating agentsDisordersSingle casePatientsFluvoxamineNeurotransmissionOCD symptomsClinical treatment of obsessive compulsive disorder.
Pittenger C, Kelmendi B, Bloch M, Krystal JH, Coric V. Clinical treatment of obsessive compulsive disorder. Innov Clin Neurosci 2005, 2: 34-43. PMID: 21120095, PMCID: PMC2993523.Peer-Reviewed Original ResearchObsessive-compulsive disorderSRI-resistant obsessive compulsive disorderMainstay of treatmentSerotonin reuptake inhibitorsEffective treatment modalityUse of clomipramineCurrent treatment strategiesRecent epidemiological studiesCommon psychiatric disordersCompulsive disorderCognitive behavioral therapyInvasive neurosurgical proceduresPartial responseAvailable medicationsPharmacologic treatmentReuptake inhibitorsTreatment armamentariumSignificant morbidityTreatment modalitiesChronic disordersMedication managementTreatment strategiesEpidemiological studiesPsychiatric disordersClinical treatmentRiluzole Augmentation in Treatment-Resistant Obsessive–Compulsive Disorder: An Open-Label Trial
Coric V, Taskiran S, Pittenger C, Wasylink S, Mathalon DH, Valentine G, Saksa J, Wu YT, Gueorguieva R, Sanacora G, Malison RT, Krystal JH. Riluzole Augmentation in Treatment-Resistant Obsessive–Compulsive Disorder: An Open-Label Trial. Biological Psychiatry 2005, 58: 424-428. PMID: 15993857, DOI: 10.1016/j.biopsych.2005.04.043.Peer-Reviewed Original ResearchConceptsTreatment-resistant obsessive-compulsive disorderObsessive-compulsive disorderYale-Brown Obsessive Compulsive ScaleY-BOCS scoresTreatment-resistant OCD patientsAddition of riluzolePractical clinical benefitOpen-label trialGlutamate-modulating agentsSerious adverse effectsHamilton Depression InventoryAnxiety Inventory scoresObsessive Compulsive ScaleMost patientsStandard therapyGlutamatergic dysfunctionAugmentation therapyClinical benefitPrimary diagnosisStandard treatmentCorticostriatal pathwayTreatment respondersRiluzolePatientsDepression Inventory
1990
Specificity of Serotonin Reuptake Inhibitors in the Treatment of Obsessive-Compulsive Disorder: Comparison of Fluvoxamine and Desipramine
Goodman WK, Price LH, Delgado PL, Palumbo J, Krystal JH, Nagy LM, Rasmussen SA, Heninger GR, Charney DS. Specificity of Serotonin Reuptake Inhibitors in the Treatment of Obsessive-Compulsive Disorder: Comparison of Fluvoxamine and Desipramine. JAMA Psychiatry 1990, 47: 577-585. PMID: 2112374, DOI: 10.1001/archpsyc.1990.01810180077011.Peer-Reviewed Original ResearchConceptsSerotonin reuptake inhibitorsObsessive-compulsive disorderReuptake inhibitorsComparison of fluvoxamineSerotonin receptor functionDouble-blind fashionGlobal response rateWeeks of treatmentBaseline depressive symptomsYale-Brown Obsessive Compulsive ScaleMechanism of actionObsessive Compulsive ScaleReuptake inhibitionDopaminergic functionPrincipal diagnosisDepressive symptomsResponse rateFluvoxamineDesipramineReceptor functionObsessive-compulsive symptomsDesipramine hydrochlorideCompulsive ScaleSymptomsFluvoxamine maleateClinical studies of 5-HT function using I.V. l-Tryptophan
Price L, Charney D, Delgado P, Goodman W, Krystal J, Woods S, Heninger G. Clinical studies of 5-HT function using I.V. l-Tryptophan. Progress In Neuro-Psychopharmacology And Biological Psychiatry 1990, 14: 459-472. PMID: 2236580, DOI: 10.1016/0278-5846(90)90002-x.Peer-Reviewed Original ResearchConceptsPRL responseClinical studiesDrug actionAntidepressant drug actionLong-term treatmentSuch clinical studiesThymoleptic drugsTime-dependent fashionPlasma TrpObsessive-compulsive disorderSerum prolactinElectrophysiological findingsDepressed patientsHealthy controlsAntidepressant drugsTherapeutic effectPreclinical studiesReceptor sensitivityPanic disorderChallenge agentNeuropsychiatric diseasesNeuropsychopharmacological studiesClinical levelCompulsive disorderL-Trp