2022
Sublingual Dexmedetomidine for the Treatment of Acute Agitation in Adults With Schizophrenia or Schizoaffective Disorder: A Randomized Placebo-Controlled Trial.
Citrome L, Preskorn SH, Lauriello J, Krystal JH, Kakar R, Finman J, De Vivo M, Yocca FD, Risinger R, Rajachandran L. Sublingual Dexmedetomidine for the Treatment of Acute Agitation in Adults With Schizophrenia or Schizoaffective Disorder: A Randomized Placebo-Controlled Trial. The Journal Of Clinical Psychiatry 2022, 83 PMID: 36198061, DOI: 10.4088/jcp.22m14447.Peer-Reviewed Original ResearchConceptsAcute agitationHours postdoseSchizoaffective disorderTotal scorePrimary efficacy endpointPlacebo-controlled studyAdrenergic receptor agonistFifth Edition criteriaNegative Syndrome ScaleDexmedetomidine groupOral hypoesthesiaStudy medicationDry mouthEfficacy endpointOrthostatic hypotensionRandomized PlaceboAdverse eventsReceptor agonistEdition criteriaDexmedetomidineMean changePEC scoresPlaceboSyndrome ScaleUS sites
2011
Long-Acting Risperidone and Oral Antipsychotics in Unstable Schizophrenia
Rosenheck RA, Krystal JH, Lew R, Barnett PG, Fiore L, Valley D, Thwin SS, Vertrees JE, Liang MH. Long-Acting Risperidone and Oral Antipsychotics in Unstable Schizophrenia. New England Journal Of Medicine 2011, 364: 842-851. PMID: 21366475, DOI: 10.1056/nejmoa1005987.Peer-Reviewed Original ResearchConceptsInjectable risperidoneOral antipsychoticsQuality of lifeSchizoaffective disorderPsychiatrist's choiceSecond-generation antipsychotic agentsMore adverse eventsMore extrapyramidal symptomsPrimary end pointNeurologic side effectsExtrapyramidal adverse effectsRate of hospitalizationVeterans Affairs systemSocial Performance ScaleAdverse eventsExtrapyramidal symptomsOral treatmentAntipsychotic agentsUnstable diseasePsychiatric symptomsHigh riskHospitalizationSide effectsPatientsPsychiatric hospital
2005
Temporoparietal Transcranial Magnetic Stimulation for Auditory Hallucinations: Safety, Efficacy and Moderators in a Fifty Patient Sample
Hoffman RE, Gueorguieva R, Hawkins KA, Varanko M, Boutros NN, Wu YT, Carroll K, Krystal JH. Temporoparietal Transcranial Magnetic Stimulation for Auditory Hallucinations: Safety, Efficacy and Moderators in a Fifty Patient Sample. Biological Psychiatry 2005, 58: 97-104. PMID: 15936729, DOI: 10.1016/j.biopsych.2005.03.041.Peer-Reviewed Original ResearchConceptsRepetitive transcranial magnetic stimulationTranscranial magnetic stimulationAuditory hallucinationsSham stimulationMagnetic stimulationTemporoparietal repetitive transcranial magnetic stimulationClinical Global Impression ScaleGlobal Impression ScaleRight-handed patientsMotor thresholdImpression ScaleRTMS effectsNew patientsNeurocognitive impairmentHallucination frequencySchizoaffective disorderPatient samplesSignificant distressPatientsChange scoresHallucinationsPreliminary reportStimulationNeurobiological factorsInterventionMazindol Augmentation of Antipsychotic Treatment for Schizophrenic Patients with Comorbid Cocaine Abuse or Dependence
Perry E, Gil R, Miles D, Brenner L, Macdougall L, Johnson R, Degen K, Gueorguieva R, Petrakis I, Krystal J, D'Souza D. Mazindol Augmentation of Antipsychotic Treatment for Schizophrenic Patients with Comorbid Cocaine Abuse or Dependence. Journal Of Dual Diagnosis 2005, 1: 37-47. DOI: 10.1300/j374v01n01_04.Peer-Reviewed Original ResearchCocaine abusePsychiatric symptomsCocaine cravingCatecholamine reuptake inhibitorCurrent antipsychotic medicationsCocaine consumptionPlacebo groupAntipsychotic pharmacotherapyReuptake inhibitorsAntipsychotic medicationAntipsychotic treatmentComorbid schizophreniaSchizoaffective patientsSubstance abuse issuesSchizophrenic patientsPatientsSchizoaffective disorderSchizophrenia patientsNatural historyMazindolPilot studyGroup therapySchizophreniaSymptomsAbuse issues
2003
Transcranial Magnetic Stimulation of Left Temporoparietal Cortex and Medication-Resistant Auditory Hallucinations
Hoffman RE, Hawkins KA, Gueorguieva R, Boutros NN, Rachid F, Carroll K, Krystal JH. Transcranial Magnetic Stimulation of Left Temporoparietal Cortex and Medication-Resistant Auditory Hallucinations. JAMA Psychiatry 2003, 60: 49-56. PMID: 12511172, DOI: 10.1001/archpsyc.60.1.49.Peer-Reviewed Original ResearchConceptsRepetitive transcranial magnetic stimulationMedication-resistant auditory hallucinationsTranscranial magnetic stimulationLeft temporoparietal cortexAuditory hallucinationsSham stimulationMagnetic stimulationTemporoparietal cortexOpen-label trialMotor thresholdAntipsychotic medicationSustained reductionBrain areasSchizoaffective disorderCortical activationPossible treatmentNeuropsychological impairmentNeuropsychological assessmentPatientsAdditional studiesCortexStimulationTrialsHallucinationsTreatment effects
2002
Ritanserin antagonism of m-chlorophenylpiperazine effects in neuroleptic-free schizophrenics patients: support for serotonin-2 receptor modulation of schizophrenia symptoms
Abi-Saab W, Seibyl JP, D'Souza C, Karper LP, Gueorgueva R, Abi-Dargham A, Wong ML, Rajhans S, Erdos JP, Heninger GR, Charney DS, Krystal JH. Ritanserin antagonism of m-chlorophenylpiperazine effects in neuroleptic-free schizophrenics patients: support for serotonin-2 receptor modulation of schizophrenia symptoms. Psychopharmacology 2002, 162: 55-62. PMID: 12107618, DOI: 10.1007/s00213-002-1057-7.Peer-Reviewed Original ResearchConceptsReceptor antagonismSchizophrenic patientsNeuroleptic-free schizophrenic patientsBrief Psychiatric Rating ScaleDouble-blind conditionsPsychiatric Rating ScaleTest dayRitanserin pretreatmentIntravenous infusionReceptor modulationAntipsychotic activityMale inpatientsReceptor stimulationPlasma prolactinCortisol levelsSchizoaffective disorderSchizophrenia symptomsPositive symptomsNegative symptomsRandomized orderPatientsRating ScaleBehavioral activationSymptomsRitanserin