2022
Dose-related effects of ketamine for antidepressant-resistant symptoms of posttraumatic stress disorder in veterans and active duty military: a double-blind, randomized, placebo-controlled multi-center clinical trial
Abdallah CG, Roache JD, Gueorguieva R, Averill LA, Young-McCaughan S, Shiroma PR, Purohit P, Brundige A, Murff W, Ahn KH, Sherif MA, Baltutis EJ, Ranganathan M, D’Souza D, Martini B, Southwick SM, Petrakis IL, Burson RR, Guthmiller KB, López-Roca AL, Lautenschlager KA, McCallin JP, Hoch MB, Timchenko A, Souza SE, Bryant CE, Mintz J, Litz BT, Williamson DE, Keane TM, Peterson AL, Krystal JH. Dose-related effects of ketamine for antidepressant-resistant symptoms of posttraumatic stress disorder in veterans and active duty military: a double-blind, randomized, placebo-controlled multi-center clinical trial. Neuropsychopharmacology 2022, 47: 1574-1581. PMID: 35046508, PMCID: PMC8767037, DOI: 10.1038/s41386-022-01266-9.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderClinical trialsOutcome measuresMontgomery-Åsberg Depression Rating ScaleSelf-report PTSD ChecklistÅsberg Depression Rating ScaleStress disorderPTSD symptomsAntidepressant-resistant symptomsPrevious antidepressant treatmentClinician-Administered PTSD ScaleMulti-center clinical trialRapid antidepressant effectsSecondary outcome measuresPrimary outcome measureSignificant dose-related effectsRole of ketamineDepression Rating ScaleDose-related effectsEffects of ketamineDSM-5Intravenous placeboDose ketamineTreatment discontinuationActive duty military
2017
Cortical thickness reduction in combat exposed U.S. veterans with and without PTSD
Wrocklage KM, Averill LA, Scott J, Averill CL, Schweinsburg B, Trejo M, Roy A, Weisser V, Kelly C, Martini B, Harpaz-Rotem I, Southwick SM, Krystal JH, Abdallah CG. Cortical thickness reduction in combat exposed U.S. veterans with and without PTSD. European Neuropsychopharmacology 2017, 27: 515-525. PMID: 28279623, PMCID: PMC5429865, DOI: 10.1016/j.euroneuro.2017.02.010.Peer-Reviewed Original ResearchConceptsClinician-Administered PTSD ScalePTSD symptom dimensionsPTSD diagnosisCombat exposureCortical thicknessSymptom dimensionsMagnetic resonance imagingPosttraumatic stress disorder (PTSD) symptomsU.S. veteransCortical thinningUnique brain regionsLeft lateral prefrontalAnxious arousalPTSD dimensionsNeural correlatesHigh-resolution magnetic resonance imagingCortical thickness reductionsLateral prefrontalPTSD symptomsDisorder symptomsCombat severityCurrent PTSDPTSD ScalePrefrontal cortexPotential confoundsThe Association of PTSD Symptom Severity With Localized Hippocampus and Amygdala Abnormalities
Akiki TJ, Averill CL, Wrocklage KM, Schweinsburg B, Scott JC, Martini B, Averill LA, Southwick SM, Krystal JH, Abdallah CG. The Association of PTSD Symptom Severity With Localized Hippocampus and Amygdala Abnormalities. Chronic Stress 2017, 1: 2470547017724069. PMID: 28825050, PMCID: PMC5562232, DOI: 10.1177/2470547017724069.Peer-Reviewed Original ResearchPosttraumatic stress disorderUS veteransAmygdala abnormalitiesVertex-wise shape analysisPTSD symptomsClinician-Administered PTSD ScaleCross-sectional studyHigh-resolution magnetic resonanceStructural neuroimaging studiesSevere PTSD symptomsHippocampal abnormalitiesPTSD symptom severitySubtle morphometric changesRe-experiencing symptomsRight hippocampusCentromedial amygdalaPTSD symptom clustersRight amygdalaPTSD ScaleAnterior hippocampusHippocampusStructural abnormalitiesDSM-IVSymptom clustersSymptom severityPosttraumatic Stress Disorder and Depression Symptom Severities Are Differentially Associated With Hippocampal Subfield Volume Loss in Combat Veterans
Averill CL, Satodiya RM, Scott JC, Wrocklage KM, Schweinsburg B, Averill LA, Akiki TJ, Amoroso T, Southwick SM, Krystal JH, Abdallah CG. Posttraumatic Stress Disorder and Depression Symptom Severities Are Differentially Associated With Hippocampal Subfield Volume Loss in Combat Veterans. Chronic Stress 2017, 1: 2470547017744538. PMID: 29520395, PMCID: PMC5839647, DOI: 10.1177/2470547017744538.Peer-Reviewed Original ResearchPosttraumatic stress disorderBeck Depression Inventory scoresClinician-Administered PTSD ScaleCornu ammonis 4Depression Inventory scoresHippocampal subfieldsSymptom severityStress disorderPTSD ScaleAlcohol/substance use disorderHippocampal subfield volume lossHigh-resolution structural magnetic resonance imagingInventory scoresAnterior hippocampal regionsStructural magnetic resonance imagingDepressive symptom severityPrefrontal-amygdala circuitrySubstance use disordersBeck Depression InventoryDepression symptom severityMagnetic resonance imagingPosttraumatic stress disorder groupPosttraumatic stress disorder (PTSD) symptomsCombat-exposed veteransFuture confirmatory studies
2016
Sleep disturbance in chronic military-related PTSD: clinical impact and response to adjunctive risperidone in the Veterans Affairs cooperative study #504.
Krystal JH, Pietrzak RH, Rosenheck RA, Cramer JA, Vessicchio J, Jones KM, Huang GD, Vertrees JE, Collins J, Krystal AD. Sleep disturbance in chronic military-related PTSD: clinical impact and response to adjunctive risperidone in the Veterans Affairs cooperative study #504. The Journal Of Clinical Psychiatry 2016, 77: 483-91. PMID: 26890894, DOI: 10.4088/jcp.14m09585.Peer-Reviewed Original ResearchConceptsPittsburgh Sleep Quality IndexClinician-Administered PTSD ScaleChronic military-related posttraumatic stress disorderMilitary-related posttraumatic stress disorderPosttraumatic stress disorderSleep disturbancesSleep qualityAdjunctive risperidonePTSD symptom severitySymptom severityDSM-IV-TR Axis I DisordersSecond-generation antipsychotic risperidoneVeterans Affairs Cooperative StudySF-36 v.Placebo-controlled trialTotal PSQI scoreMental health subscaleMulticenter clinical trialSleep Quality IndexStructured Clinical InterviewAxis I DisordersSeverity of nightmaresQuality of lifeMixed model regressionPartial responders
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
2011
Adjunctive Risperidone Treatment for Antidepressant-Resistant Symptoms of Chronic Military Service–Related PTSD: A Randomized Trial
Krystal JH, Rosenheck RA, Cramer JA, Vessicchio JC, Jones KM, Vertrees JE, Horney RA, Huang GD, Stock C, Group F. Adjunctive Risperidone Treatment for Antidepressant-Resistant Symptoms of Chronic Military Service–Related PTSD: A Randomized Trial. JAMA 2011, 306: 493-502. PMID: 21813427, DOI: 10.1001/jama.2011.1080.Peer-Reviewed Original ResearchConceptsMilitary-related posttraumatic stress disorderMontgomery-Asberg Depression Rating ScalePosttraumatic stress disorderClinical Global Impression ScaleClinician-Administered PTSD ScaleHamilton Anxiety ScalePlacebo-controlled multicenter trialCAPS scoresSelf-reported weight gainSecond-generation antipsychotic risperidoneAdjunctive risperidone treatmentAntidepressant-resistant symptomsPrimary outcome measureChronic military-related posttraumatic stress disorderGlobal Impression ScaleOutpatient medical centerDepression Rating ScaleSymptoms of depressionQuality of lifePlacebo groupRisperidone groupVeterans RANDAdverse eventsOngoing symptomsMulticenter trial
2008
β 2 Nicotinic acetylcholine receptor availability in post-traumatic stress disorder
Czermak C, Staley JK, Kasserman S, Bois F, Young T, Henry S, Tamagnan GD, Seibyl JP, Krystal JH, Neumeister A. β 2 Nicotinic acetylcholine receptor availability in post-traumatic stress disorder. The International Journal Of Neuropsychopharmacology 2008, 11: 419-424. PMID: 18190729, DOI: 10.1017/s1461145707008152.Peer-Reviewed Original ResearchConceptsPost-traumatic stress disorderClinician-Administered PTSD ScaleMesiotemporal cortexPTSD patientsPathophysiology of PTSDStress disorderBeta2 nAChRsNicotinic acetylcholine receptor availabilityHistory of smokingHealthy control subjectsNicotinic acetylcholine receptorsIA bindingNovel molecular targetsSingle photon emissionSubgroup of participantsRe-experiencing symptom clusterIA-85380Symptomatic patientsControl subjectsHealthy controlsReceptor availabilityPTSD ScaleAcetylcholine receptorsSymptom clustersPrefrontal cortex