2019
Maintenance of antidepressant and antisuicidal effects by D-cycloserine among patients with treatment-resistant depression who responded to low-dose ketamine infusion: a double-blind randomized placebo–control study
Chen MH, Cheng CM, Gueorguieva R, Lin WC, Li CT, Hong CJ, Tu PC, Bai YM, Tsai SJ, Krystal JH, Su TP. Maintenance of antidepressant and antisuicidal effects by D-cycloserine among patients with treatment-resistant depression who responded to low-dose ketamine infusion: a double-blind randomized placebo–control study. Neuropsychopharmacology 2019, 44: 2112-2118. PMID: 31421635, PMCID: PMC6898334, DOI: 10.1038/s41386-019-0480-y.Peer-Reviewed Original ResearchConceptsTreatment-resistant depressionAntisuicidal effectsPlacebo groupKetamine infusionDCS groupD-cycloserineDouble-blind randomized placebo-controlled studyN-methyl-D-aspartate (NMDA) glutamate receptorsHamilton Depression Rating Scale scoresLow-dose ketamine infusionRandomized placebo-controlled studyDepression Rating Scale scoresHAMD item 3Single subanesthetic doseInitial clinical responsePlacebo-controlled studyRating Scale scoresClinical responseDose titrationSubanesthetic doseAugmentation treatmentGlutamate receptorsMixed model analysisSuicidal riskScale scoreIn vivo evidence for dysregulation of mGluR5 as a biomarker of suicidal ideation
Davis MT, Hillmer A, Holmes SE, Pietrzak RH, DellaGioia N, Nabulsi N, Matuskey D, Angarita G, Carson RE, Krystal JH, Esterlis I. In vivo evidence for dysregulation of mGluR5 as a biomarker of suicidal ideation. Proceedings Of The National Academy Of Sciences Of The United States Of America 2019, 116: 11490-11495. PMID: 31085640, PMCID: PMC6561298, DOI: 10.1073/pnas.1818871116.Peer-Reviewed Original ResearchConceptsMGluR5 availabilitySuicidal ideationHC individualsPathophysiology of PTSDLimbic brain regionsVolume of distributionHealthy comparison controlsSuicide risk managementPositron emission tomographyReceptor 5Venous input functionsBrain regionsPTSD individualsEmission tomographyMDD individualsVivo evidenceRecent evidencePotential roleMGluR5PTSDComparison controlsDysregulationMDDIdeationIndividuals
2015
Web-Based Cognitive Behavioral Therapy Intervention for the Prevention of Suicidal Ideation in Medical Interns: A Randomized Clinical Trial
Guille C, Zhao Z, Krystal J, Nichols B, Brady K, Sen S. Web-Based Cognitive Behavioral Therapy Intervention for the Prevention of Suicidal Ideation in Medical Interns: A Randomized Clinical Trial. JAMA Psychiatry 2015, 72: 1-7. PMID: 26535958, PMCID: PMC4866804, DOI: 10.1001/jamapsychiatry.2015.1880.Peer-Reviewed Original ResearchConceptsSuicidal ideationClinical trialsMedical internsLocal mental health professionalsPatient Health Questionnaire-9Web-based cognitive behavioral therapy (CBT) interventionTraining physiciansRandomized clinical trialsCognitive behavioral therapy interventionCognitive behavioral therapy programInternship yearBehavioral therapy interventionBehavioral therapy programMental health professionalsTreat principleQuestionnaire-9University HospitalStudy groupMAIN OUTCOMEHigh riskTherapy interventionHealth professionalsPrevention programsReduced likelihoodSuicidal thinking