Featured Publications
Joint 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
Cognitive‐behavioral therapy for binge‐eating disorder for non‐responders to initial acute treatments: Randomized controlled trial
Grilo C, Lydecker J, Gueorguieva R. Cognitive‐behavioral therapy for binge‐eating disorder for non‐responders to initial acute treatments: Randomized controlled trial. International Journal Of Eating Disorders 2023, 56: 1544-1553. PMID: 37144325, PMCID: PMC10524840, DOI: 10.1002/eat.23975.Peer-Reviewed Original ResearchConceptsInitial acute treatmentBinge-eating disorderCognitive behavioral therapyAcute treatmentBinge-eating frequencyInitial interventionTherapist-led cognitive behavioural therapyInitial pharmacological treatmentTreat remission ratesEvidence-based treatmentsSingle-site trialAcute efficacyRemission rateAdult patientsInitial treatmentPharmacological treatmentPatientsPosttreatment assessmentBehavioral treatmentSufficient benefitTherapyDisordersInterventionTreatmentPharmacotherapy
2022
24‐Month follow‐up of randomized controlled trial of guided‐self‐help for loss‐of‐control eating after bariatric surgery
Grilo CM, Ivezaj V, Duffy AJ, Gueorguieva R. 24‐Month follow‐up of randomized controlled trial of guided‐self‐help for loss‐of‐control eating after bariatric surgery. International Journal Of Eating Disorders 2022, 55: 1521-1531. PMID: 36054766, DOI: 10.1002/eat.23804.Peer-Reviewed Original ResearchConceptsBariatric surgeryHELP treatmentWeight gainLong-term effectsSuboptimal long-term outcomesModest weight lossProportion of patientsBariatric surgery outcomesSubgroup of patientsLong-term outcomesSignificant weight gainSubstantial weight gainEating-disorder psychopathologyPostoperative interventionsAdjunctive treatmentTreat analysisSurgery outcomesSpecialist treatmentLOC eatingPatientsSurgeryWeight lossTrial testingPosttreatmentTreatmentmTORC1 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 studiesPrefrontal 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
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 outcomeImpulsivityExamining depression scores as predictors and moderators of treatment outcomes in patients with binge‐eating disorder
Grilo CM, Gueorguieva R, Pittman B. Examining depression scores as predictors and moderators of treatment outcomes in patients with binge‐eating disorder. International Journal Of Eating Disorders 2021, 54: 1555-1559. PMID: 34137474, DOI: 10.1002/eat.23569.Peer-Reviewed Original ResearchConceptsCognitive behavioral therapyBinge-eating disorderEvidence-based psychological interventionsDepression scoresEating Disorder PsychopathologyBinge-eating frequencyPredictors/moderatorsModerators of responseElevated depression scoresPsychological interventionsBWL interventionModeratorTreatment outcomesBaseline depression scoresLong-term outcomesBWLModerate outcomeFindings reinforceDepressionScoresDisordersInterventionPsychopathologyEarly changesPatientsRandomized Controlled Trial of Treatments for Loss‐of‐Control Eating Following Bariatric Surgery
Grilo CM, Ivezaj V, Duffy AJ, Gueorguieva R. Randomized Controlled Trial of Treatments for Loss‐of‐Control Eating Following Bariatric Surgery. Obesity 2021, 29: 689-697. PMID: 33694287, PMCID: PMC7995173, DOI: 10.1002/oby.23124.Peer-Reviewed Original ResearchConceptsBariatric surgeryWeight lossAllied health cliniciansBariatric surgery outcomesThree-month treatmentSelf-help treatmentBariatric surgery settingsSignificant differencesControlled TrialsSurgery settingSurgery outcomesTreatment outcomesHealth cliniciansPosttreatment outcomesNon-White participantsControl eatingSurgeryTrialsOutcomesTreatmentPatientsCategorical outcomesWhite participantsAbstinenceHigher proportion
2020
Naltrexone + Bupropion Combination for the Treatment of Binge-eating Disorder with Obesity: A Randomized, Controlled Pilot Study
Grilo CM, Lydecker JA, Morgan PT, Gueorguieva R. Naltrexone + Bupropion Combination for the Treatment of Binge-eating Disorder with Obesity: A Randomized, Controlled Pilot Study. Clinical Therapeutics 2020, 43: 112-122.e1. PMID: 33218742, PMCID: PMC7902424, DOI: 10.1016/j.clinthera.2020.10.010.Peer-Reviewed Original ResearchConceptsBinge-eating disorderEating-disorder psychopathologyPilot RCTTreatment of BEDOutcome time pointDouble-blind treatmentPercentage of patientsControlled Pilot StudyDiscontinuation of medicationTreatment of bingeEvidence-based treatmentsBinge-eating frequencyBupropion combinationAdult patientsAdverse eventsComorbid obesitySecondary outcomesPrimary outcomeAcute effectsFunctional impairmentPlaceboLong-term effectsPatientsMost outcomesObesityRandomized Controlled Trial of Behavioral Weight Loss and Stepped Care for Binge‐Eating Disorder: 12‐Month Follow‐up
Grilo CM, White MA, Ivezaj V, Gueorguieva R. Randomized Controlled Trial of Behavioral Weight Loss and Stepped Care for Binge‐Eating Disorder: 12‐Month Follow‐up. Obesity 2020, 28: 2116-2124. PMID: 32985114, PMCID: PMC7644623, DOI: 10.1002/oby.22975.Peer-Reviewed Original ResearchConceptsBehavioral weight lossStepped careWeight lossWeight loss medicationsRandomized Controlled TrialsSignificant weight lossBinge-eating disorderBinge-eating frequencySignificant time effectBinge Eating DisorderCognitive behavioral therapyRemission rateControlled TrialsTreatment respondersLong-term effectsBehavioral therapyMixed modelsPatientsCareObesitySignificant reductionTreatmentMonthsPosttreatmentDisordersRandomized Controlled Trial Testing the Effectiveness of Adaptive “SMART” Stepped-Care Treatment for Adults With Binge-Eating Disorder Comorbid With Obesity
Grilo CM, White MA, Masheb RM, Ivezaj V, Morgan PT, Gueorguieva R. Randomized Controlled Trial Testing the Effectiveness of Adaptive “SMART” Stepped-Care Treatment for Adults With Binge-Eating Disorder Comorbid With Obesity. American Psychologist 2020, 75: 204-218. PMID: 32052995, PMCID: PMC7027689, DOI: 10.1037/amp0000534.Peer-Reviewed Original ResearchConceptsStepped-care treatmentCognitive behavioral therapyWeight loss medicationsBinge-eating disorderStepped careRemission rateWeight lossBehavioral weight lossSignificant weight lossBinge-eating frequencySignificant time effectControlled TrialsTreat analysisTreatment respondersMedicationsPlaceboMixed model analysisClinical practiceNonrespondersPatientsObesityBinge eatingCareMonthsTreatment
2019
Implementing Motivational Interviewing for Substance Misuse on Medical Inpatient Units: a Randomized Controlled Trial
Martino S, Zimbrean P, Forray A, Kaufman JS, Desan PH, Olmstead TA, Gilstad-Hayden K, Gueorguieva R, Yonkers KA. Implementing Motivational Interviewing for Substance Misuse on Medical Inpatient Units: a Randomized Controlled Trial. Journal Of General Internal Medicine 2019, 34: 2520-2529. PMID: 31468342, PMCID: PMC6848470, DOI: 10.1007/s11606-019-05257-3.Peer-Reviewed Original ResearchConceptsConsultation-liaison serviceSubstance misuseMotivational interviewMedical inpatientsGeneral medical inpatient servicesMedical inpatient servicesGeneral medical inpatientsStudy-eligible patientsMedical inpatient unitsAcute care hospitalsMain MeasuresPrimary outcomesMedical education workshopSecondary outcomesCare hospitalControlled TrialsEffective implementation strategiesMeasuresPrimary outcomesMedical HospitalInpatient unitInpatient servicesMedical ordersPatientsPatients' statementsMotivational interviewingInpatients
2018
Predicting Barriers to Treatment for Depression in a U.S. National Sample: A Cross-Sectional, Proof-of-Concept Study
Chekroud AM, Foster D, Zheutlin AB, Gerhard DM, Roy B, Koutsouleris N, Chandra A, Esposti MD, Subramanyan G, Gueorguieva R, Paulus M, Krystal JH. Predicting Barriers to Treatment for Depression in a U.S. National Sample: A Cross-Sectional, Proof-of-Concept Study. Psychiatric Services 2018, 69: 927-934. PMID: 29962307, PMCID: PMC7232987, DOI: 10.1176/appi.ps.201800094.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overCross-Sectional StudiesDepressive DisorderFemaleHealth Services AccessibilityHumansLogistic ModelsMaleMiddle AgedPatient Acceptance of Health CarePrimary Health CareProof of Concept StudyPsychotherapySampling StudiesSelf-AssessmentSurveys and QuestionnairesTreatment RefusalUnited StatesYoung AdultConceptsDiagnosis of depressionHealth care providersSelf-report survey itemsImplementation of interventionsDerivation cohortUntreated depressionCare providersEffective treatmentU.S. national sampleDrug useDepressionDiagnosisTreatmentU.S. National SurveyPatientsCohortNational surveyNational sampleConcept studySurvey itemsBalanced accuracyIndividualsRetention rateIndependent responsesPrevalence
2017
Personalized Intervention Program: Tobacco Treatment for Patients at Risk for Lung Cancer
Bold KW, Toll BA, Cartmel B, Ford BB, Rojewski AM, Gueorguieva R, O'Malley SS, Fucito LM. Personalized Intervention Program: Tobacco Treatment for Patients at Risk for Lung Cancer. The Journal Of Smoking Cessation 2017, 13: 244-247. PMID: 32431757, PMCID: PMC7236885, DOI: 10.1017/jsc.2017.24.Peer-Reviewed Original ResearchLung cancerTobacco treatmentBiomarker feedbackCessation/reductionStandard careExpired carbon monoxideLung cancer screeningPoint prevalence abstinenceCurrent smokersLung functionPrimary outcomeCessation ratesCessation therapyCancer screeningQuit ratesSkin carotenoidsPlasma bilirubinGain-framed messagesNovel biomarkersPatientsNovel interventionsCancerPast weekSequential interventionsGain-framed messagingDose-Related Effects of Adjunctive Ketamine in Taiwanese Patients with Treatment-Resistant Depression
Su TP, Chen MH, Li CT, Lin WC, Hong CJ, Gueorguieva R, Tu PC, Bai YM, Cheng CM, Krystal JH. Dose-Related Effects of Adjunctive Ketamine in Taiwanese Patients with Treatment-Resistant Depression. Neuropsychopharmacology 2017, 42: 2482-2492. PMID: 28492279, PMCID: PMC5686503, DOI: 10.1038/npp.2017.94.Peer-Reviewed Original ResearchMeSH KeywordsAdultAntidepressive AgentsAsian PeopleBlood PressureBrain-Derived Neurotrophic FactorDepressive Disorder, MajorDepressive Disorder, Treatment-ResistantDose-Response Relationship, DrugDouble-Blind MethodFemaleHeart RateHumansKetamineMaleMiddle AgedPolymorphism, GeneticPsychiatric Status Rating ScalesTaiwanTreatment OutcomeConceptsTreatment-resistant depressionHamilton Depression Rating ScaleAntidepressant effectsKetamine effectsBDNF genotypeBrain-derived neurotrophic factor (BDNF) genotypeChinese populationDose-related efficacyPlacebo-controlled trialSignificant dose-related effectsDepression Rating ScaleNeurotrophic factor genotypeDose-related effectsSingle ketamine infusionMost patientsKetamine infusionTaiwanese patientsAdjunctive ketamineResponder analysisBDNF geneS-ketamineKetamine levelsPatientsMet alleleRating Scale
2016
Imaging mass spectrometry assists in the classification of diagnostically challenging atypical Spitzoid neoplasms
Lazova R, Seeley EH, Kutzner H, Scolyer RA, Scott G, Cerroni L, Fried I, Kozovska ME, Rosenberg AS, Prieto VG, Shehata BM, Durham MM, Henry G, Rodriguez-Peralto JL, Riveiro-Falkenbach E, Schaefer JT, Danialan R, Fraitag S, Vollenweider-Roten S, Sepehr A, Sangueza M, Hijazi N, Corredoira Y, Kowal R, Harris OM, Bravo F, Boyd AS, Gueorguieva R, Caprioli RM. Imaging mass spectrometry assists in the classification of diagnostically challenging atypical Spitzoid neoplasms. Journal Of The American Academy Of Dermatology 2016, 75: 1176-1186.e4. PMID: 27502312, PMCID: PMC5112112, DOI: 10.1016/j.jaad.2016.07.007.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsAgedAged, 80 and overChildChild, PreschoolDiagnosis, DifferentialFemaleHumansLymphatic MetastasisMaleMass SpectrometryMelanomaMiddle AgedNeoplasm Recurrence, LocalNevus, Epithelioid and Spindle CellProteinsRetrospective StudiesRisk AssessmentSentinel Lymph Node BiopsySkin NeoplasmsTreatment OutcomeTumor BurdenYoung AdultConceptsAtypical spitzoid neoplasmsClinical group 1Clinical behaviorSpitzoid melanomaHistopathological diagnosisGroup 1Spitzoid neoplasmsClinical group 2Greater tumor thicknessRetrospective collaborative studyAggressive clinical behaviorClinical outcomesRisk stratificationTumor thicknessPoor outcomeWorse clinical behaviorGroup 2Older ageClinical groupsDiagnosisSpitz neviMelanomaStrong associationProteomic signaturePatientsImprovements in emotion regulation following repetitive transcranial magnetic stimulation for generalized anxiety disorder
Diefenbach GJ, Assaf M, Goethe JW, Gueorguieva R, Tolin DF. Improvements in emotion regulation following repetitive transcranial magnetic stimulation for generalized anxiety disorder. Journal Of Anxiety Disorders 2016, 43: 1-7. PMID: 27467027, DOI: 10.1016/j.janxdis.2016.07.002.Peer-Reviewed Original ResearchConceptsRepetitive transcranial magnetic stimulationGeneralized anxiety disorderDorsolateral prefrontal cortexTranscranial magnetic stimulationMagnetic stimulationSham repetitive transcranial magnetic stimulationAnxiety disordersGlobal clinician ratingsFronto-limbic regionsRandomized-controlled trialRight dorsolateral prefrontal cortexEmotion regulation difficultiesSecondary analysisNeural circuitsClinician ratingsPrefrontal cortexPatientsRegulation difficultiesGoal-directed behaviorEmotion regulationDisordersStimulationImproved emotion regulationActive groupSelf-reported emotion regulation difficulties
2015
See One, Do One, Order One: a study protocol for cluster randomized controlled trial testing three strategies for implementing motivational interviewing on medical inpatient units
Martino S, Zimbrean P, Forray A, Kaufman J, Desan P, Olmstead TA, Gueorguieva R, Howell H, McCaherty A, Yonkers KA. See One, Do One, Order One: a study protocol for cluster randomized controlled trial testing three strategies for implementing motivational interviewing on medical inpatient units. Implementation Science 2015, 10: 138. PMID: 26420671, PMCID: PMC4589113, DOI: 10.1186/s13012-015-0327-9.Peer-Reviewed Original ResearchConceptsMotivational interviewingPsychiatry consultation-liaison serviceMethods/designThisMedical inpatient unitsBrief behavioral interventionConsultation-liaison servicePractices of providersMedical education workshopSubstance use problemsMedical inpatientsStudy protocolMedical HospitalHospitalist serviceInpatient unitBedside practiceMedical unitsPatientsRecovery outcomesBehavioral interventionsSubstance useUse problemsHospitalizationInpatientsPrimary aimTeachable momentMultidisciplinary Proactive Psychiatric Consultation Service: Impact on Length of Stay for Medical Inpatients
Sledge WH, Gueorguieva R, Desan P, Bozzo JE, Dorset J, Lee HB. Multidisciplinary Proactive Psychiatric Consultation Service: Impact on Length of Stay for Medical Inpatients. Psychotherapy And Psychosomatics 2015, 84: 208-216. PMID: 26022134, DOI: 10.1159/000379757.Peer-Reviewed Original ResearchConceptsLength of stayConventional consultationMedical conditionsMental illnessCo-morbid factorsGeneral medical unitGeneral medical patientsHealth care colleaguesVariety of illnessesDifferent inpatient settingsEffective patient careMedical inpatientsMedical patientsPatient populationMultidisciplinary interventionPatient visitsInpatient settingPsychiatric consultationMedical unitsPatient carePatientsUsual treatmentMental healthIllnessMental diseases