2018
Similar psychotic and cognitive profile between ketamine dependence with persistent psychosis and schizophrenia
Cheng WJ, Chen CH, Chen CK, Huang MC, Pietrzak RH, Krystal JH, Xu K. Similar psychotic and cognitive profile between ketamine dependence with persistent psychosis and schizophrenia. Schizophrenia Research 2018, 199: 313-318. PMID: 29510925, DOI: 10.1016/j.schres.2018.02.049.Peer-Reviewed Original ResearchConceptsSZ patientsCognitive impairmentCognitive functionSocial-emotional cognitionCogstate Brief BatteryPsychomotor processing speedTreatment-seeking patientsSpatial problemsSymptom profilesSevere symptom profileVerbal memoryCognitive profileKetamine-dependent patientsVisual learningBrief batteryProcessing speedNegative Syndrome ScaleBiology of psychosisKetamine usersCognitive dysfunctionPersistent psychosisMemorySubscale scoresKetamine abuseMinority of users
1998
Naltrexone Augmentation of Neuroleptics in Schizophrenia
Sernyak M, Glazer W, Heninger G, Charney D, Woods S, Petrakis I, Krystal J, Price L. Naltrexone Augmentation of Neuroleptics in Schizophrenia. Journal Of Clinical Psychopharmacology 1998, 18: 248-251.. PMID: 9617985, DOI: 10.1097/00004714-199806000-00011.Peer-Reviewed Original ResearchConceptsBrief Psychiatric Rating ScaleTotal BPRS scoreBPRS scoresNegative symptomsAddition of naltrexoneBPRS subscale scoresOngoing neuroleptic treatmentSingle-blind basisPlacebo-controlled trialSingle-blind fashionSubscale scoresBPRS total scorePsychiatric Rating ScaleDSM-III criteriaSubsequent treatmentRepeated-measures analysisNaltrexone augmentationNeuroleptic medicinesNeuroleptic regimenTransient exacerbationPlacebo armNeuroleptic treatmentClinical benefitRepeated-measures ANOVANaltrexone