Featured Publications
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 ResearchTrajectories 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 medicationJoint Modelling of Longitudinal Outcome and Interval-Censored Competing Risk Dropout in a Schizophrenia Clinical Trial
Gueorguieva R, Rosenheck R, Lin H. Joint Modelling of Longitudinal Outcome and Interval-Censored Competing Risk Dropout in a Schizophrenia Clinical Trial. Journal Of The Royal Statistical Society Series A (Statistics In Society) 2011, 175: 417-433. PMID: 22468033, PMCID: PMC3315284, DOI: 10.1111/j.1467-985x.2011.00719.x.Peer-Reviewed Original ResearchLongitudinal outcomesClinical Antipsychotic TrialsQuality of lifeSchizophrenia clinical trialsStudy medicationAntipsychotic medicationClinical trialsAntipsychotic TrialsStudy participantsPhase IIntervention effectivenessMedicationsSignificant differencesSelection biasTrialsOutcomesJoint modelling approachCauses of dropoutLarge percentageParticipantsTolerabilityPatientsOutcome valuesEffect of dropoutStudy scheduleCross-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
2023
Does Symptom-Onset Treatment With Sertraline Improve Functional Impairment for Individuals With Premenstrual Dysphoric Disorder?
Yonkers K, Altemus M, Gilstad-Hayden K, Kornstein S, Gueorguieva R. Does Symptom-Onset Treatment With Sertraline Improve Functional Impairment for Individuals With Premenstrual Dysphoric Disorder? Journal Of Clinical Psychopharmacology 2023, 43: 320-325. PMID: 37212651, PMCID: PMC10313784, DOI: 10.1097/jcp.0000000000001700.Peer-Reviewed Original ResearchConceptsPremenstrual dysphoric disorderFunctional impairmentSymptom onsetPMDD symptomsDysphoric disorderAnger/irritabilityDaily treatmentActive treatmentFunctional outcomeClinical trialsFunctional improvementSecondary analysisCausal mediation analysisSertralineSeverity of problemsImpairmentNonsignificant direct effectDaily ratingsPlaceboTreatmentFace validitySymptomsIrritabilityDisordersSignificant indirect effectA Network Investigation of Core Mindfulness Processes
Sala M, Aslan M, Gueorguieva R, Schupak M, Garrison K. A Network Investigation of Core Mindfulness Processes. Mindfulness 2023, 14: 992-1004. PMID: 38854675, PMCID: PMC11160965, DOI: 10.1007/s12671-023-02109-4.Peer-Reviewed Original ResearchMindfulness-based interventionsMindfulness processesFacet Mindfulness Questionnaire-Short FormDefinition of mindfulnessMindfulness trainingPsychological wellbeingQuestionnaire-Short FormMindfulnessItem levelFuture researchCore processesWordsCentral processesRandomized clinical trialsSmoking cessationSpecific processesMethodThis studyInterventionObjectivesMindfulnessEmotionsClinical trialsConclusionsFindingsWellbeingBeliefsLimited understanding
2022
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
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 ResearchDose-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
2021
Change in impulsivity is prospectively associated with treatment outcomes for binge-eating disorder
Boswell RG, Gueorguieva R, Grilo CM. Change in impulsivity is prospectively associated with treatment outcomes for binge-eating disorder. Psychological Medicine 2021, 53: 2789-2797. PMID: 34812713, PMCID: PMC9124732, DOI: 10.1017/s003329172100475x.Peer-Reviewed Original ResearchConceptsEating-disorder psychopathologyCognitive behavioral therapyTreatment outcomesDepression scoresPharmacological treatmentRandomized placebo-controlled clinical trialPlacebo-controlled clinical trialEfficacy of CBTBinge-eating disorderBaseline impulsivityAssociation of rapidClinical trialsTreatment groupsOverall changeDisorder psychopathologyMixed effects modelsOutcomesTreatmentBMIPatientsMeasures of impulsivityScoresPsychopathologyGeneral outcomeImpulsivityDetecting change in psychiatric functioning in clinical trials for cocaine use disorder: sensitivity of the Addiction Severity Index and Brief Symptom Inventory
Kiluk BD, Roos CR, Aslan M, Gueorguieva R, Nich C, Babuscio TA, Carroll KM. Detecting change in psychiatric functioning in clinical trials for cocaine use disorder: sensitivity of the Addiction Severity Index and Brief Symptom Inventory. Drug And Alcohol Dependence 2021, 228: 109070. PMID: 34600247, PMCID: PMC8595796, DOI: 10.1016/j.drugalcdep.2021.109070.Peer-Reviewed Original ResearchConceptsAddiction Severity IndexGlobal Severity IndexPsychiatric composite scoreClinical trialsCocaine useCocaine use disorderPsychiatric functioningBrief Symptom InventorySeverity IndexUse disordersASI psychiatric composite scoreSymptom InventoryEffect sizeStart of treatmentComposite scoreClinical trial participantsWeek 12Functional outcomeTreatment periodTrial participantsPsychiatric problemsDrug usePotential functional benefitsMedium effect sizeSubstance usersThe effect of varenicline on smoking and drinking outcomes among Black and White adults with alcohol use disorder and co-occurring cigarette smoking: A secondary analysis of two clinical trials
Haeny AM, Gueorguieva R, Montgomery L, Bold KW, Fucito LM, Wu R, Muvvala SB, Zweben A, O'Malley SS. The effect of varenicline on smoking and drinking outcomes among Black and White adults with alcohol use disorder and co-occurring cigarette smoking: A secondary analysis of two clinical trials. Addictive Behaviors 2021, 122: 106970. PMID: 34216871, PMCID: PMC9426655, DOI: 10.1016/j.addbeh.2021.106970.Peer-Reviewed Original ResearchConceptsEffects of vareniclineAlcohol use disorderCigarette smokingClinical trialsUse disordersWhite adultsEfficacy of vareniclineNumber of drinksVareniclineSmokingPrimary analysisAlcohol treatmentSecondary analysisAlcohol useTrialsBlack participantsDrinking outcomesLinear mixed modelsAdultsWhite peopleWhite participantsMixed modelingCigarettesDisordersTreatment
2020
Systematic review and meta‐analysis of the moderating effect of rs1799971 in OPRM1, the mu‐opioid receptor gene, on response to naltrexone treatment of alcohol use disorder
Hartwell EE, Feinn R, Morris PE, Gelernter J, Krystal J, Arias AJ, Hoffman M, Petrakis I, Gueorguieva R, Schacht JP, Oslin D, Anton RF, Kranzler HR. Systematic review and meta‐analysis of the moderating effect of rs1799971 in OPRM1, the mu‐opioid receptor gene, on response to naltrexone treatment of alcohol use disorder. Addiction 2020, 115: 1426-1437. PMID: 31961981, PMCID: PMC7340566, DOI: 10.1111/add.14975.Peer-Reviewed Original ResearchConceptsAsn40Asp single-nucleotide polymorphismRandomized clinical trialsAlcohol use disorderNaltrexone treatmentMu-opioid receptor geneUse disordersSingle nucleotide polymorphismsPlacebo-controlled randomized clinical trialsSystematic reviewPublication biasOpioid receptor antagonist naltrexoneWide inter-individual variabilityHeavy drinkingRisk of biasNaltrexone treatment responseReceptor geneRandom-effects modelAlcohol consumption outcomesAntagonist naltrexoneInter-individual variabilityStudy criteriaClinical trialsNucleotide polymorphismsTreatment responseMinor allele
2019
Repeated ketamine infusions for antidepressant-resistant PTSD: Methods of a multicenter, randomized, placebo-controlled clinical trial
Abdallah CG, Roache JD, Averill LA, Young-McCaughan S, Martini B, Gueorguieva R, Amoroso T, Southwick SM, Guthmiller K, López-Roca AL, Lautenschlager K, Mintz J, Litz BT, Williamson DE, Keane TM, Peterson AL, Krystal JH, PTSD F. Repeated ketamine infusions for antidepressant-resistant PTSD: Methods of a multicenter, randomized, placebo-controlled clinical trial. Contemporary Clinical Trials 2019, 81: 11-18. PMID: 30999057, DOI: 10.1016/j.cct.2019.04.009.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderStudy drugClinical trialsTherapeutic effectPharmacotherapy of PTSDFirst placebo-controlled trialPlacebo-controlled clinical trialActive duty military populationDose-related efficacyMedication treatment optionsPlacebo-controlled trialDose-related effectsNovel neural mechanismActive duty militaryKetamine infusionSerotonergic antidepressantsEligible participantsTreatment optionsCase reportNew drug developmentOnly trialSustained reductionVeteran populationDrug AdministrationPilot evidenceLongitudinal Findings from a Randomized Clinical Trial of Varenicline for Alcohol Use Disorder with Comorbid Cigarette Smoking
Bold KW, Zweben A, Fucito LM, Piepmeier ME, Muvvala S, Wu R, Gueorguieva R, O'Malley SS. Longitudinal Findings from a Randomized Clinical Trial of Varenicline for Alcohol Use Disorder with Comorbid Cigarette Smoking. Alcohol Clinical And Experimental Research 2019, 43: 937-944. PMID: 30817018, PMCID: PMC7039307, DOI: 10.1111/acer.13994.Peer-Reviewed Original ResearchConceptsEnd of treatmentAlcohol use disorderHeavy drinking daysMedical managementCigarette smokingComorbid cigarette smokingUse disordersDrinking daysCo-occurring alcohol use disorderHigh ratePlacebo-controlled trialBetter clinical outcomesAssessment of alcoholPercent of participantsVarenicline treatmentClinical outcomesSmoking abstinenceParallel groupClinical trialsTimeline FollowVareniclineSmoking behaviorAlcohol treatmentPosttreatment outcomesMultisite trialAlcohol Abstainer Status and Prazosin Treatment in Association with Changes in Posttraumatic Stress Disorder Symptoms in Veterans with Comorbid Alcohol Use Disorder and Posttraumatic Stress Disorder
Verplaetse TL, Ralevski E, Roberts W, Gueorguieva R, McKee SA, Petrakis IL. Alcohol Abstainer Status and Prazosin Treatment in Association with Changes in Posttraumatic Stress Disorder Symptoms in Veterans with Comorbid Alcohol Use Disorder and Posttraumatic Stress Disorder. Alcohol Clinical And Experimental Research 2019, 43: 741-746. PMID: 30698839, PMCID: PMC6443463, DOI: 10.1111/acer.13969.Peer-Reviewed Original ResearchConceptsAlcohol use disorderPosttraumatic stress disorderPlacebo-treated individualsTotal CAPS scoresClinical trialsCAPS scoresPrazosin treatmentComorbid populationPTSD symptomsUse disordersClinician-Administered PTSD Scale scoresDouble-blind clinical trialStress disorderComorbid alcohol use disorderPrazosin-treated groupSymptoms of PTSDRecent clinical trialsComorbid alcohol dependenceCourse of treatmentΑ1-adrenergic antagonistPosttraumatic stress disorder (PTSD) symptomsOngoing symptomsSleep disturbancesMedication effectsNoradrenergic system
2018
Effect of Varenicline Combined With Medical Management on Alcohol Use Disorder With Comorbid Cigarette Smoking: A Randomized Clinical Trial
O’Malley S, Zweben A, Fucito LM, Wu R, Piepmeier ME, Ockert DM, Bold KW, Petrakis I, Muvvala S, Jatlow P, Gueorguieva R. Effect of Varenicline Combined With Medical Management on Alcohol Use Disorder With Comorbid Cigarette Smoking: A Randomized Clinical Trial. JAMA Psychiatry 2018, 75: 129-138. PMID: 29261824, PMCID: PMC5838706, DOI: 10.1001/jamapsychiatry.2017.3544.Peer-Reviewed Original ResearchConceptsAlcohol use disorderMedical managementUse disordersCigarette smokingWeek 9Varenicline tartrateEfficacy of vareniclinePlacebo-controlled trialBehavioral health risksComorbid cigarette smokingRace/ethnicityAlcohol dependence criteriaSmoking 2Medication adherenceOutpatient clinicPlacebo pillsMean ageEligible participantsSmoking abstinenceClinical trialsParallel groupPlaceboMAIN OUTCOMEVareniclineWeek 13Dose-Related Target Occupancy and Effects on Circuitry, Behavior, and Neuroplasticity of the Glycine Transporter-1 Inhibitor PF-03463275 in Healthy and Schizophrenia Subjects
D’Souza D, Carson RE, Driesen N, Johannesen J, Ranganathan M, Krystal JH, Ahn K, Bielen K, Carbuto M, Deaso E, D’Souza D, Ranganathan M, Naganawa M, Ranganathan M, D’Souza D, Nabulsi N, Zheng M, Lin S, Huang Y, Carson R, Driesen N, Ahn K, Morgan P, Suckow R, He G, McCarthy G, Krystal J, Johannesen J, Kenney J, Gelernter J, Gueorguieva R, Pittman B. Dose-Related Target Occupancy and Effects on Circuitry, Behavior, and Neuroplasticity of the Glycine Transporter-1 Inhibitor PF-03463275 in Healthy and Schizophrenia Subjects. Biological Psychiatry 2018, 84: 413-421. PMID: 29499855, PMCID: PMC6068006, DOI: 10.1016/j.biopsych.2017.12.019.Peer-Reviewed Original ResearchMeSH KeywordsAdultAzabicyclo CompoundsBrainCognitive DysfunctionDose-Response Relationship, DrugDouble-Blind MethodFemaleGlycine Plasma Membrane Transport ProteinsHumansImidazolesKetamineLong-Term PotentiationMagnetic Resonance ImagingMaleMemory, Short-TermMiddle AgedPositron-Emission TomographySchizophreniaYoung AdultConceptsHealthy control subjectsLong-term potentiationSchizophrenia patientsControl subjectsCognitive impairmentClinical trialsGlyT1 occupancyN-methyl-D-aspartate receptor functionGlycine transporter-1 inhibitorKetamine-induced disruptionKetamine-induced effectsFunctional magnetic resonance imagingMagnetic resonance imagingPositron emission tomographyMemory-related activationF-MKSubstudy 1Schizophrenia subjectsResonance imagingReceptor functionCortical regionsEmission tomographyTarget engagementPotentiationSchizophrenia
2017
Bayesian Joint Modelling of Longitudinal Data on Abstinence, Frequency and Intensity of Drinking in Alcoholism Trials
Buta E, O’Malley S, Gueorguieva R. Bayesian Joint Modelling of Longitudinal Data on Abstinence, Frequency and Intensity of Drinking in Alcoholism Trials. Journal Of The Royal Statistical Society Series A (Statistics In Society) 2017, 181: 869-888. PMID: 31123390, PMCID: PMC6527419, DOI: 10.1111/rssa.12334.Peer-Reviewed Original ResearchBayesian joint modellingParameter estimate biasStandard frequentist approachRandom effectsLog-normal modelJoint modelFrequentist approachBayesian approachMean squared errorJoint modellingEstimate biasIntensity of drinkingSimulation studyFrequency of drinkingSeparate modellingModellingLongitudinal outcomesClinical trialsSame subjectsSustained abstinenceModelLogistic partAbstinenceMecamylamine treatment for alcohol dependence: a randomized controlled trial
Petrakis IL, Ralevski E, Gueorguieva R, O'Malley SS, Arias A, Sevarino KA, Jane JS, O'Brien E, Krystal JH. Mecamylamine treatment for alcohol dependence: a randomized controlled trial. Addiction 2017, 113: 6-14. PMID: 28710873, PMCID: PMC5725262, DOI: 10.1111/add.13943.Peer-Reviewed Original ResearchConceptsHeavy drinking daysDrinking daysAlcohol use disorderUse disordersAlcohol consumptionAlcohol dependenceDouble-blind clinical trialNicotinic acetylcholine receptor antagonistWeeks of treatmentAcetylcholine receptor antagonistCurrent alcohol dependenceSignificant differencesTreatment-seeking smokersMecamylamine treatmentPlacebo groupMonth 3Primary outcomeSmoking statusNicotine withdrawalReceptor antagonistNovel pharmacotherapiesClinical trialsManagement therapyMecamylamineTreatment groupsA translational approach for NMDA receptor profiling as a vulnerability biomarker for depression and schizophrenia
Gunduz‐Bruce H, Kenney J, Changlani S, Peixoto A, Gueorguieva R, Leone C, Stachenfeld N. A translational approach for NMDA receptor profiling as a vulnerability biomarker for depression and schizophrenia. Quarterly Journal Of Experimental Physiology And Cognate Medical Sciences 2017, 102: 587-597. PMID: 28294453, DOI: 10.1113/ep086212.Peer-Reviewed Original ResearchConceptsSubgroup of patientsHealthy control subjectsNMDA receptorsControl subjectsDepressed patientsAVP releaseAnimal studiesSchizophrenic subjectsTranslational approachVivo evidenceRecent clinical trialsNMDA receptor functionPlasma arginine vasopressin concentrationNMDA receptor activityHypertonic saline infusionNMDA antagonist ketamineArginine vasopressin concentrationHypertonic salineInverse associationClinical trialsHealthy controlsSaline infusionGlutamate signalingSchizophrenic patientsVasopressin concentration