2021
Dynamic structural equation modeling of the relationship between alcohol habit and drinking variability
DeMartini KS, Gueorguieva R, Taylor JR, Krishnan-Sarin S, Pearlson G, Krystal JH, O'Malley SS. Dynamic structural equation modeling of the relationship between alcohol habit and drinking variability. Drug And Alcohol Dependence 2021, 233: 109202. PMID: 35151022, PMCID: PMC10046111, DOI: 10.1016/j.drugalcdep.2021.109202.Peer-Reviewed Original ResearchMapping data‐driven individualized neurobehavioral phenotypes in heavy alcohol drinkers
DeMartini KS, Gueorguieva R, Pearlson G, Krishnan‐Sarin S, Anticevic A, Ji LJ, Krystal JH, O’Malley S. Mapping data‐driven individualized neurobehavioral phenotypes in heavy alcohol drinkers. Alcohol Clinical And Experimental Research 2021, 45: 841-853. PMID: 33605439, DOI: 10.1111/acer.14580.Peer-Reviewed Original ResearchConceptsConfirmatory factor analysisIncentive salienceNeurofunctional domainsAlcohol use disorderExecutive functionLatent factorsPhysical neglectSelf-report measuresChildhood emotional abuseUse disordersChildhood physical neglectEarly life stressSignificant predictorsMultiple significant predictorsMultiple causes modelCurrent AUDNegative emotionalityAddiction developmentEmotional abuseChildhood neglectFactor structureDrinking frequencySalienceCause modelFactor analysisSTRONG STAR and the Consortium to Alleviate PTSD: Shaping the future of combat PTSD and related conditions in military and veteran populations
Peterson AL, Young-McCaughan S, Roache JD, Mintz J, Litz BT, Williamson DE, Resick PA, Foa EB, McGeary DD, Dondanville KA, Taylor DJ, Wachen JS, Fox PT, Bryan CJ, McLean CP, Pruiksma KE, Yarvis JS, Niles BL, Abdallah CG, Averill LA, Back SE, Baker MT, Blount TH, Borah AM, Borah EV, Brock MS, Brown LA, Burg MM, Cigrang JA, DeBeer BB, DeVoe ER, Fina BA, Flanagan JC, Fredman SJ, Gardner CL, Gatchel RR, Goodie JL, Gueorguieva R, Higgs JB, Jacoby VM, Kelly KM, Krystal JH, Lapiz-Bluhm MD, López-Roca AL, Marx BP, Maurer DM, McDevitt-Murphy ME, McGeary CA, Meyer EC, Miles SR, Monson CM, Morilak DA, Moring JC, Mysliwiec V, Nicholson KL, Rauch SAM, Riggs DS, Rosen CS, Rudd MD, Schobitz RP, Schrader CC, Shinn AM, Shiroma PR, Sloan DM, Stern SL, Strong R, Vannoy SD, Young KA, Keane TM. STRONG STAR and the Consortium to Alleviate PTSD: Shaping the future of combat PTSD and related conditions in military and veteran populations. Contemporary Clinical Trials 2021, 110: 106583. PMID: 34600107, PMCID: PMC11392039, DOI: 10.1016/j.cct.2021.106583.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderCombat posttraumatic stress disorderVeterans AffairsCombat-related posttraumatic stress disorderPublic health advancesPsychological healthVA National CenterResearch ConsortiumVeteran populationRelated conditionsStress disorderHealth advancesNational InstituteTrauma-related researchMilitary personnelPreventionTreatmentInvestigatorsNational CenterHealthDepartmentCollaborative research modelDiagnosisSaracatinib Fails to Reduce Alcohol-Seeking and Consumption in Mice and Human Participants
Thompson SL, Gianessi CA, O'Malley SS, Cavallo DA, Shi JM, Tetrault JM, DeMartini KS, Gueorguieva R, Pittman B, Krystal JH, Taylor JR, Krishnan-Sarin S. Saracatinib Fails to Reduce Alcohol-Seeking and Consumption in Mice and Human Participants. Frontiers In Psychiatry 2021, 12: 709559. PMID: 34531767, PMCID: PMC8438169, DOI: 10.3389/fpsyt.2021.709559.Peer-Reviewed Original ResearchNMDA receptorsSrc/FynAlcohol consumptionEffect of saracatinibVehicle 2 hChronic alcohol useDays of treatmentDSM-IV criteriaMore effective treatmentsNumber of drinksGlutamatergic systemAdditional drinkAlcohol drinkingAdditional dosesEthanol exposureEffective treatmentNR2B subunitAlcohol abuseHuman studiesPriming drinkAlcohol cravingSaracatinibDrinking paradigmNovel pharmacotherapeuticsHuman participantsDopamine D1R Receptor Stimulation as a Mechanistic Pro-cognitive Target for Schizophrenia
Abi-Dargham A, Javitch JA, Slifstein M, Anticevic A, Calkins ME, Cho YT, Fonteneau C, Gil R, Girgis R, Gur RE, Gur RC, Grinband J, Kantrowitz J, Kohler C, Krystal J, Murray J, Ranganathan M, Santamauro N, Van Snellenberg J, Tamayo Z, Wolf D, D’Souza D, Srihari V, Gueorguieva R, Patel P, Forselius-Bielen K, Lu J, Butler A, Fram G, Afriyie-Agyemang Y, Selloni A, Cadavid L, Gomez-Luna S, Gupta A, Radhakrishnan R, Rashid A, Aker R, Abrahim P, Nia A, Surti T, Kegeles L, Carlson M, Goldberg T, Gangwisch J, Benedict E, Govil P, Brazis S, Mayer M, de la Garrigue N, Fallon N, Baumvoll T, Abeykoon S, Perlman G, Bobchin K, Elliott M, Schmidt L, Rush S, Port A, Heffernan Z, Laney N, Kantor J, Hohing T, Gray D, Lieberman J. Dopamine D1R Receptor Stimulation as a Mechanistic Pro-cognitive Target for Schizophrenia. Schizophrenia Bulletin 2021, 48: 199-210. PMID: 34423843, PMCID: PMC8781338, DOI: 10.1093/schbul/sbab095.Peer-Reviewed Original ResearchConceptsCortical dopamine neurotransmissionPositive allosteric modulationImportant therapeutic targetPF-06412562Dopaminergic receptorsD1R stimulationDA levelsTolerable dosesLevel of stimulationDopamine neurotransmissionReceptor stimulationTherapeutic targetPartial agonistCognitive deficitsBiased agonismFull agonismTarget engagementAllosteric modulationNew drugsStimulationPoor bioavailabilitySchizophreniaOptimal stimulationDrugsExpression levelsIndividual Differences in the Associations Between Risk Factors for Alcohol Use Disorder and Alcohol Use-Related Outcomes
Haeny AM, Gueorguieva R, Jackson A, Morean ME, Krishnan-Sarin S, DeMartini KS, Pearlson GD, Anticevic A, Krystal JH, O’Malley S. Individual Differences in the Associations Between Risk Factors for Alcohol Use Disorder and Alcohol Use-Related Outcomes. Psychology Of Addictive Behaviors 2021, 35: 501-513. PMID: 34110841, PMCID: PMC9211405, DOI: 10.1037/adb0000733.Peer-Reviewed Original Research
2024
Illusory generalizability of clinical prediction models
Chekroud A, Hawrilenko M, Loho H, Bondar J, Gueorguieva R, Hasan A, Kambeitz J, Corlett P, Koutsouleris N, Krumholz H, Krystal J, Paulus M. Illusory generalizability of clinical prediction models. Science 2024, 383: 164-167. PMID: 38207039, DOI: 10.1126/science.adg8538.Peer-Reviewed Original Research
2017
Trajectories of relapse in randomised, placebo-controlled trials of treatment discontinuation in major depressive disorder: an individual patient-level data meta-analysis
Gueorguieva R, Chekroud AM, Krystal JH. Trajectories of relapse in randomised, placebo-controlled trials of treatment discontinuation in major depressive disorder: an individual patient-level data meta-analysis. The Lancet Psychiatry 2017, 4: 230-237. PMID: 28189575, PMCID: PMC5340978, DOI: 10.1016/s2215-0366(17)30038-x.Peer-Reviewed Original ResearchConceptsActive medicationActive treatmentClinical trialsDepression severityHamilton Depression Rating Scale scoresDepression Rating Scale scoresClinical Global Impression scoresIndividual patient-level dataDouble-blind treatmentPlacebo-controlled trialPatterns of relapseGlobal Impression scoresIndividual patient dataPrevention of relapseTrajectory class membershipTreatment of depressionMajor depressive disorderRating Scale scoresPatient-level dataPost-traumatic stress disorderTreatment discontinuationAntidepressant treatmentClinical responseAlcohol Research CenterAntidepressant medication
2016
Cross-trial prediction of treatment outcome in depression: a machine learning approach
Chekroud AM, Zotti RJ, Shehzad Z, Gueorguieva R, Johnson MK, Trivedi MH, Cannon TD, Krystal JH, Corlett PR. Cross-trial prediction of treatment outcome in depression: a machine learning approach. The Lancet Psychiatry 2016, 3: 243-250. PMID: 26803397, DOI: 10.1016/s2215-0366(15)00471-x.Peer-Reviewed Original ResearchConceptsTreatment outcomesTreatment groupsEscitalopram treatment groupSpecific antidepressantsPatient-reported dataSequenced Treatment AlternativesClinical trial dataIndependent clinical trialsClinical remissionSymptomatic remissionClinical trialsTreatment efficacyPatientsProspective identificationTreatment alternativesTrial dataDepressionRemissionAntidepressantsOutcomesGroupLevel 1CitalopramCohortClinicians
2013
Temporal patterns of adherence to medications and behavioral treatment and their relationship to patient characteristics and treatment response
Gueorguieva R, Wu R, Krystal JH, Donovan D, O'Malley SS. Temporal patterns of adherence to medications and behavioral treatment and their relationship to patient characteristics and treatment response. Addictive Behaviors 2013, 38: 2119-2127. PMID: 23435273, PMCID: PMC3595348, DOI: 10.1016/j.addbeh.2013.01.024.Peer-Reviewed Original ResearchConceptsPercent heavy drinking daysAdherence trajectoriesExcellent adherersPercent days abstinentPatient characteristicsMedication adherenceTreatment outcomesMedication adherence trajectoriesPatterns of treatmentHeavy drinking daysPatterns of adherenceExcellent medication adherenceLack of benefitTrajectories of adherenceIntervention main effectsActive medicationAdverse eventsPharmacologic treatmentHigher percent days abstinentTreatment adherenceTreatment modalitiesWorse outcomesTreatment responseDays abstinentDrinking days
2004
Move Over ANOVA: Progress in Analyzing Repeated-Measures Data andIts Reflection in Papers Published in the Archives of General Psychiatry
Gueorguieva R, Krystal JH. Move Over ANOVA: Progress in Analyzing Repeated-Measures Data andIts Reflection in Papers Published in the Archives of General Psychiatry. JAMA Psychiatry 2004, 61: 310-317. PMID: 14993119, DOI: 10.1001/archpsyc.61.3.310.Peer-Reviewed Original Research
2023
Randomized controlled trial of the glycine transporter 1 inhibitor PF-03463275 to enhance cognitive training and neuroplasticity in schizophrenia
Surti T, Ranganathan M, Johannesen J, Gueorguieva R, Deaso E, Kenney J, Krystal J, D'Souza D. Randomized controlled trial of the glycine transporter 1 inhibitor PF-03463275 to enhance cognitive training and neuroplasticity in schizophrenia. Schizophrenia Research 2023, 256: 36-43. PMID: 37141764, PMCID: PMC10257994, DOI: 10.1016/j.schres.2023.04.010.Peer-Reviewed Original ResearchConceptsGlycine transporter 1Cytochrome P450 2D6 extensive metabolizersGlyT1 inhibitorsWeeks of washoutWeeks of CTMedication adherenceReceptor hypofunctionImpaired neuroplasticityPharmacodynamic variabilityNMDAR functionExtensive metabolizersTreatment periodPsychotic symptomsStable outpatientsCognitive impairmentGlyT1 occupancyTransporter 1CTNeuroplasticityCognitive training strategiesSchizophreniaComputerized CTCognitive performanceAugmentation studiesGreater improvement430. Calibrated fMRI Sensitive to Ketamine-Related Increases Throughout the Cortex
Driesen N, Herman P, Rowland M, Thompson G, Qiu M, He G, Criscuolo E, Fineberg S, Barron D, Helgeson L, Lacadie C, Chow R, Gueorguieva R, Straun T, Krystal J, Hyder F. 430. Calibrated fMRI Sensitive to Ketamine-Related Increases Throughout the Cortex. Biological Psychiatry 2023, 93: s268-s269. DOI: 10.1016/j.biopsych.2023.02.670.Peer-Reviewed Original Research
2022
Illness Phase as a Key Assessment and Intervention Window for Psychosis
Kohler C, Wolf D, Abi-Dargham A, Anticevic A, Cho Y, Fonteneau C, Gil R, Girgis R, Gray D, Grinband J, Javitch J, Kantrowitz J, Krystal J, Lieberman J, Murray J, Ranganathan M, Santamauro N, Van Snellenberg J, Tamayo Z, Group T, D'Souza D, Srihari V, Gueorguieva R, Patel P, Forselius-Bielen K, Lu J, Butler A, Fram G, Afriyie-Agyemang Y, Selloni A, Cadavid L, Gomez-Luna S, Gupta A, Radhakrishnan R, Rashid A, Aker R, Abrahim P, Nia A, Surti T, Kegeles L, Carlson M, Goldberg T, Gangwisch J, Benedict E, Govil P, Brazis S, Mayer M, de la Garrigue N, Fallon N, Baumvoll T, Abeykoon S, Perlman G, Bobchin K, Elliott M, Schmidt L, Rush S, Port A, Heffernan Z, Laney N, Kantor J, Hohing T, Gur R, Gur R, Calkins M. Illness Phase as a Key Assessment and Intervention Window for Psychosis. Biological Psychiatry Global Open Science 2022, 3: 340-350. PMID: 37519466, PMCID: PMC10382701, DOI: 10.1016/j.bpsgos.2022.05.009.Peer-Reviewed Original ResearchIllness phasePotential critical windowsPhase-specific biomarkersDopaminergic abnormalitiesFunctional outcomeSpecialty careSymptom assessmentIllness stageChronic illnessClinical assessmentIllness trajectoryNeurophysiological biomarkersFunctional abnormalitiesClinical careEarly psychosisMemory dysfunctionPsychotic disordersTreatment targetsAllostatic adaptationIntervention windowClinical programsBrain developmentCritical windowDysfunctionIllnessClinical and Financial Outcomes Associated With a Workplace Mental Health Program Before and During the COVID-19 Pandemic
Bondar J, Morrow C, Gueorguieva R, Brown M, Hawrilenko M, Krystal JH, Corlett PR, Chekroud AM. Clinical and Financial Outcomes Associated With a Workplace Mental Health Program Before and During the COVID-19 Pandemic. JAMA Network Open 2022, 5: e2216349. PMID: 35679044, PMCID: PMC9185188, DOI: 10.1001/jamanetworkopen.2022.16349.Peer-Reviewed Original ResearchConceptsMental health programsHealth programsCohort studyLarge clinical effect sizesPatient Health Questionnaire-9Common mental health conditionsSheehan Disability ScaleClinical effect sizeMental health conditionsMental health symptomsCost of treatmentGeneralized anxiety disorderMental health difficultiesMental health benefitsWorkplace wellness programsCare navigationClinical improvementPrimary outcomeClinical benefitQuestionnaire-9Disability ScaleMedication managementLeast moderate anxietyMixed-effects regressionPerson psychotherapyCorrection to: 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. Correction to: 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: 1583-1584. PMID: 35545665, PMCID: PMC9205895, DOI: 10.1038/s41386-022-01339-9.Peer-Reviewed Original ResearchmTORC1 inhibitor effects on rapid ketamine-induced reductions in suicidal ideation in patients with treatment-resistant depression
Averill LA, Averill CL, Gueorguieva R, Fouda S, Sherif M, Ahn KH, Ranganathan M, D'Souza DC, Southwick SM, Sanacora G, Duman RS, Krystal JH, Abdallah CG. mTORC1 inhibitor effects on rapid ketamine-induced reductions in suicidal ideation in patients with treatment-resistant depression. Journal Of Affective Disorders 2022, 303: 91-97. PMID: 35101523, DOI: 10.1016/j.jad.2022.01.104.Peer-Reviewed Original ResearchConceptsAntisuicidal effectsAntidepressant effectsSuicidal ideationKetamine-induced reductionTreatment-resistant depressionLimited treatment optionsCross-over trialMajor depressive episodeOral rapamycinPublic health crisisKetamine administrationTreatment optionsDepressive episodeParent studyOverall severityKetamineTwo weeksBeck ScaleRapamycin complex 1Mechanistic targetPatientsSignificant main effectHealth crisisRobust improvementFuture studiesDose-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 militaryPrefrontal Glutamate Neurotransmission in PTSD: A Novel Approach to Estimate Synaptic Strength in Vivo in Humans
Averill LA, Jiang L, Purohit P, Coppoli A, Averill CL, Roscoe J, Kelmendi B, De Feyter HM, de Graaf RA, Gueorguieva R, Sanacora G, Krystal JH, Rothman DL, Mason GF, Abdallah CG. Prefrontal Glutamate Neurotransmission in PTSD: A Novel Approach to Estimate Synaptic Strength in Vivo in Humans. Chronic Stress 2022, 6: 24705470221092734. PMID: 35434443, PMCID: PMC9008809, DOI: 10.1177/24705470221092734.Peer-Reviewed Original ResearchGlutamatergic synaptic strengthSynaptic strengthPathophysiology of PTSDNovel putative biomarkersTrauma-related psychopathologyMagnetic resonance spectroscopyGlutamate neurotransmissionHealthy controlsNew treatmentsChronic stressPatientsPutative biomarkersEffects of sexPTSDNeurotransmissionPosttraumatic stressAgePsychopathologyEPCPathophysiologyStudy resultsTraumaBiomarkers
2020
Modulation of the antidepressant effects of ketamine by the mTORC1 inhibitor rapamycin
Abdallah CG, Averill LA, Gueorguieva R, Goktas S, Purohit P, Ranganathan M, Sherif M, Ahn KH, D’Souza D, Formica R, Southwick SM, Duman RS, Sanacora G, Krystal JH. Modulation of the antidepressant effects of ketamine by the mTORC1 inhibitor rapamycin. Neuropsychopharmacology 2020, 45: 990-997. PMID: 32092760, PMCID: PMC7162891, DOI: 10.1038/s41386-020-0644-9.Peer-Reviewed Original ResearchConceptsAntidepressant effectsKetamine administrationRapamycin pretreatmentMontgomery-Åsberg Depression Rating ScaleDouble-blind cross-over designBenefits of ketamineRobust antidepressant effectsKetamine's antidepressant effectsMajor depressive episodeDepression Rating ScaleCross-over designKetamine exertsOral rapamycinRemission rateDepressive episodePlacebo 2Ketamine 0.5Local blockadeDepressed patientsIntravenous administrationTreatment daysDepression relapseDepression severityKetamineRating Scale