2020
A Non–D2-Receptor-Binding Drug for the Treatment of Schizophrenia
Koblan KS, Kent J, Hopkins SC, Krystal JH, Cheng H, Goldman R, Loebel A. A Non–D2-Receptor-Binding Drug for the Treatment of Schizophrenia. New England Journal Of Medicine 2020, 382: 1497-1506. PMID: 32294346, DOI: 10.1056/nejmoa1911772.Peer-Reviewed Original ResearchMeSH KeywordsAcute DiseaseAdministration, OralAdultAntipsychotic AgentsDouble-Blind MethodDrug Administration ScheduleFemaleHumansLeast-Squares AnalysisMaleReceptors, Dopamine D2Receptors, G-Protein-CoupledSchizophreniaSchizophrenic PsychologySerotonin 5-HT1 Receptor AgonistsSeverity of Illness IndexTreatment OutcomeConceptsTrace amine-associated receptor 1Week 4Negative Symptom ScaleAcute exacerbationPlacebo groupBrief Negative Symptom ScaleTotal scoreSymptom ScaleClinical Global Impression-Severity ScaleEnd pointPrimary end pointSecondary end pointsSudden cardiac deathPANSS total scoreTreatment of schizophreniaDopamine D2 receptorsTreatment of psychosisType 1A receptorMean total scoreLevels of lipidsGastrointestinal symptomsAdverse eventsCardiac deathExtrapyramidal symptomsPrimary outcome
2012
Capturing the Angel in “Angel Dust”: Twenty Years of Translational Neuroscience Studies of NMDA Receptor Antagonists in Animals and Humans
Moghaddam B, Krystal JH. Capturing the Angel in “Angel Dust”: Twenty Years of Translational Neuroscience Studies of NMDA Receptor Antagonists in Animals and Humans. Schizophrenia Bulletin 2012, 38: 942-949. PMID: 22899397, PMCID: PMC3446228, DOI: 10.1093/schbul/sbs075.Peer-Reviewed Original ResearchMeSH KeywordsAllosteric RegulationAnimalsAntipsychotic AgentsBrief Psychiatric Rating ScaleCerebral CortexDisease Models, AnimalDopamineEmotionsGlutamic AcidHumansKetamineNeurosciencesPhencyclidinePsychoses, Substance-InducedReceptor, Metabotropic Glutamate 5Receptors, Dopamine D2Receptors, Metabotropic GlutamateReceptors, N-Methyl-D-AspartateSchizophreniaSynapsesTranslational Research, BiomedicalConceptsNMDA receptor antagonistReceptor antagonistDopamine hypothesisN-methyl-D-aspartate receptor antagonistGlutamate synaptic functionTranslational neuroscience studiesTreatment of schizophreniaPathophysiology of schizophreniaPotential treatment targetPotential new targetsDopamine antagonistsCortical functionAnimal studiesTreatment targetsClinical testingSynaptic functionAntagonistTranslational toolSchizophreniaTranslational research fundingTranslational researchPotential mechanismsNew targetsAngel dustSystems neuroscience
2005
Alcohol Dependence Is Associated with Blunted Dopamine Transmission in the Ventral Striatum
Martinez D, Gil R, Slifstein M, Hwang DR, Huang Y, Perez A, Kegeles L, Talbot P, Evans S, Krystal J, Laruelle M, Abi-Dargham A. Alcohol Dependence Is Associated with Blunted Dopamine Transmission in the Ventral Striatum. Biological Psychiatry 2005, 58: 779-786. PMID: 16018986, DOI: 10.1016/j.biopsych.2005.04.044.Peer-Reviewed Original ResearchConceptsAlcohol-dependent subjectsLimbic striatumPositron emission tomographyDopamine transmissionD2 receptorsDopamine releaseAD subjectsAlcohol dependenceAmphetamine-induced dopamine releaseDopamine type 2 receptorHealthy control subjectsD2 receptor availabilityMesolimbic dopamine transmissionType 2 receptorPsychostimulant challengeSensorimotor subdivisionsControl subjectsStriatal subdivisionsAssociative striatumSensorimotor striatumReceptor availabilityStriatumEmission tomographyVentral striatumReceptors
2001
Comment on “ketamine has equal affinity for NMDA receptors and the high-affinity state of the dopamine D2 receptor”
Krystal J, D’Souza D. Comment on “ketamine has equal affinity for NMDA receptors and the high-affinity state of the dopamine D2 receptor”. Biological Psychiatry 2001, 50: 555. PMID: 11600110, DOI: 10.1016/s0006-3223(01)01258-6.Peer-Reviewed Original Research
1996
Single photon emission computerized tomography imaging of amphetamine-induced dopamine release in drug-free schizophrenic subjects.
Laruelle M, Abi-Dargham A, van Dyck CH, Gil R, D'Souza CD, Erdos J, McCance E, Rosenblatt W, Fingado C, Zoghbi SS, Baldwin RM, Seibyl JP, Krystal JH, Charney DS, Innis RB. Single photon emission computerized tomography imaging of amphetamine-induced dopamine release in drug-free schizophrenic subjects. Proceedings Of The National Academy Of Sciences Of The United States Of America 1996, 93: 9235-9240. PMID: 8799184, PMCID: PMC38625, DOI: 10.1073/pnas.93.17.9235.Peer-Reviewed Original ResearchConceptsAmphetamine-induced dopamine releaseDopamine releaseDopaminergic transmissionPsychotic symptomsSchizophrenic groupDopamine D2 receptor availabilityAmphetamine-induced decreaseAmphetamine-induced reductionD2 receptor availabilityD2 receptor radiotracerPositive psychotic symptomsSingle photon emissionExaggerated stimulationAbnormal responsivenessDopaminergic neuronsHealthy controlsReceptor radiotracerSchizophrenic patientsDopamine hypothesisDopamine functionReceptor availabilityAmphetamine effectsControl groupSchizophrenic subjectsSchizophreniaContinuous intravenous infusion of iodine-123-IBZM for SPECT determination of human brain dopamine receptor occupancy by antipsychotic agent RWJ-37796.
Seibyl JP, Zea-Ponce Y, Brenner L, Baldwin RM, Krystal JH, Offord SJ, Mochoviak S, Charney DS, Hoffer PB, Innis RB. Continuous intravenous infusion of iodine-123-IBZM for SPECT determination of human brain dopamine receptor occupancy by antipsychotic agent RWJ-37796. Journal Of Nuclear Medicine 1996, 37: 11-5. PMID: 8543979.Peer-Reviewed Original ResearchMeSH KeywordsAdultAntipsychotic AgentsBenzamidesBrainContrast MediaCorpus StriatumDopamine AntagonistsDose-Response Relationship, DrugFeasibility StudiesHumansInfusions, IntravenousIodine RadioisotopesMalePiperazinesPyrrolidinesReceptors, DopamineReceptors, Dopamine D2Time FactorsTomography, Emission-Computed, Single-PhotonConceptsHealthy male subjectsContinuous infusionBrain activity levelsReceptor occupancyStriatal activityAntipsychotic agentsDopamine receptorsMale subjectsSerial venous blood samplesSide effect ratingsBrain time-activity curvesContinuous intravenous infusionExtrapyramidal side effectsStriatal dopamine receptorsVenous blood samplesDopamine receptor occupancySerial SPECT imagesClinical responseExtrapyramidal symptomsIntravenous infusionSerum prolactinAntipsychotic drugsBlood samplesSide effectsTime-activity curves
1991
NO Association Between an Allele at the D2 Dopamine Receptor Gene (DRD2) and Alcoholism
Gelernter J, O'Malley S, Risch N, Kranzler HR, Krystal J, Merikangas K, Kennedy JL, Kidd KK. NO Association Between an Allele at the D2 Dopamine Receptor Gene (DRD2) and Alcoholism. JAMA 1991, 266: 1801-1807. PMID: 1832467, DOI: 10.1001/jama.1991.03470130081033.Peer-Reviewed Original ResearchMeSH KeywordsAdultAlcoholismAllelesDNAFemaleHumansMaleMiddle AgedReceptors, DopamineReceptors, Dopamine D2ConceptsControl groupA1 allelePopulation control groupPhysical withdrawal symptomsRandom population controlsSignificant differencesAge of onsetRecent alcohol consumptionAllele frequenciesD2 dopamine receptor geneAntisocial personality disorderWithdrawal symptomsFamily historyAlcoholic subjectsDirect structured interviewsGroup overallAllelic associationDopamine receptor geneAlcohol consumptionAlcohol dependenceControl populationPositive allelic associationAlcoholismPersonality disorderWhite individuals