2023
Longitudinal Trends in Suicidal Thoughts and Behaviors Among US Military Veterans During the COVID-19 Pandemic
Fischer I, Nichter B, Na P, Norman S, Krystal J, Pietrzak R. Longitudinal Trends in Suicidal Thoughts and Behaviors Among US Military Veterans During the COVID-19 Pandemic. JAMA Psychiatry 2023, 80: 577-584. PMID: 37017978, PMCID: PMC10077136, DOI: 10.1001/jamapsychiatry.2023.0393.Peer-Reviewed Original ResearchConceptsNew-onset suicidal ideationUS military veteransLifetime substance use disorderPast-year suicidal ideationSubstance use disordersSuicidal ideationSuicide planningMilitary veteransUse disordersPsychiatric distressCOVID-19 pandemicSuicidal thoughtsPopulation-based longitudinal studyEvidence-based preventionLongitudinal studyLongitudinal trendsCohort studyNational HealthUS veteransMAIN OUTCOMEVeterans StudySuicide attemptsSuicide riskVulnerable populationsVeterans
2021
Prevalence and Trends in Suicidal Behavior Among US Military Veterans During the COVID-19 Pandemic
Nichter B, Hill ML, Na PJ, Kline AC, Norman SB, Krystal JH, Southwick SM, Pietrzak RH. Prevalence and Trends in Suicidal Behavior Among US Military Veterans During the COVID-19 Pandemic. JAMA Psychiatry 2021, 78: 1218-1227. PMID: 34431973, PMCID: PMC8387942, DOI: 10.1001/jamapsychiatry.2021.2332.Peer-Reviewed Original ResearchConceptsUS military veteransCOVID-19 infectionCohort studySuicidal behaviorPast-year suicide ideationRisk factorsMilitary veteransPopulation-based prospective cohort studyCOVID-19 pandemicSuicide ideationSuicide attemptsProspective cohort studyLifetime posttraumatic stress disorderStrong risk factorCOVID-19 public health emergencyLow social supportPosttraumatic stress disorderPublic health emergencyAlcohol use disorder severityUS veteransNational HealthMAIN OUTCOMESuicide attempt historyVeterans StudyCOVID-19-related variables
2018
Utility of Imaging-Based Biomarkers for Glutamate-Targeted Drug Development in Psychotic Disorders: A Randomized Clinical Trial
Javitt DC, Carter CS, Krystal JH, Kantrowitz JT, Girgis RR, Kegeles LS, Ragland JD, Maddock RJ, Lesh TA, Tanase C, Corlett PR, Rothman DL, Mason G, Qiu M, Robinson J, Potter WZ, Carlson M, Wall MM, Choo TH, Grinband J, Lieberman JA. Utility of Imaging-Based Biomarkers for Glutamate-Targeted Drug Development in Psychotic Disorders: A Randomized Clinical Trial. JAMA Psychiatry 2018, 75: 11-19. PMID: 29167877, PMCID: PMC5833531, DOI: 10.1001/jamapsychiatry.2017.3572.Peer-Reviewed Original ResearchConceptsTarget engagement biomarkerKetamine infusionClinical trialsClinical studiesEarly-stage clinical studiesEarly phase clinical studiesTarget engagementFunctional target engagementRecent pivotal trialsFMRI responsesBlood oxygen level-dependent (BOLD) responseUtility of imagingProton magnetic resonance spectroscopySufficient effect sizeLevel-dependent responsesPlacebo infusionPivotal trialsPreclinical evidenceEngagement biomarkersKetamine effectsMean ageBrain glutamateHealthy volunteersMAIN OUTCOMEPsychiatric history
2017
Polygenic Scores for Major Depressive Disorder and Risk of Alcohol Dependence
Andersen AM, Pietrzak RH, Kranzler HR, Ma L, Zhou H, Liu X, Kramer J, Kuperman S, Edenberg HJ, Nurnberger JI, Rice JP, Tischfield JA, Goate A, Foroud TM, Meyers JL, Porjesz B, Dick DM, Hesselbrock V, Boerwinkle E, Southwick SM, Krystal JH, Weissman MM, Levinson DF, Potash JB, Gelernter J, Han S. Polygenic Scores for Major Depressive Disorder and Risk of Alcohol Dependence. JAMA Psychiatry 2017, 74: 1153-1160. PMID: 28813562, PMCID: PMC5710224, DOI: 10.1001/jamapsychiatry.2017.2269.Peer-Reviewed Original ResearchConceptsMDD polygenic risk scoresMajor depressive disorderPolygenic risk scoresAlcohol dependenceDepressive disorderSignificant public health burdenPublic health burdenAD comorbidityNational HealthHealth burdenMAIN OUTCOMECase-control statusRisk scoreRisk of ADVeterans StudyYale-PennGenetic susceptibilityMDD statusCommon genetic factorsSubstance dependenceMDD casesAD samplesPolygenic riskGenetic factorsHeritable disorder
2016
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. Missouri Medicine 2016, 113: 19. PMID: 30228438, PMCID: PMC6139738.Peer-Reviewed Original ResearchSuicidal 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
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
2013
Association of Posttraumatic Stress Disorder With Reduced In Vivo Norepinephrine Transporter Availability in the Locus Coeruleus
Pietrzak RH, Gallezot JD, Ding YS, Henry S, Potenza MN, Southwick SM, Krystal JH, Carson RE, Neumeister A. Association of Posttraumatic Stress Disorder With Reduced In Vivo Norepinephrine Transporter Availability in the Locus Coeruleus. JAMA Psychiatry 2013, 70: 1199-1205. PMID: 24048210, PMCID: PMC4026855, DOI: 10.1001/jamapsychiatry.2013.399.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderNorepinephrine transporter availabilityLocus coeruleusPTSD groupTransporter availabilityHC groupVeterans Affairs Medical CenterStress disorderPTSD symptomsClinician-Administered PTSD ScalePositron emission tomography studyEmission tomography studiesPositron emission tomographyAnxious arousal symptomsNoradrenergic dysfunctionMedical CenterStudy groupMAIN OUTCOMEPTSD symptom clustersPTSD ScaleHealthy adultsCoeruleusBrain regionsChronic stressEmission tomography