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 schedule
2024
Pulsed nicotine infusions as a model for smoking: validating a tool to explore nicotine thresholds in humans
Parida S, MacLean R, Gueorguieva R, Sofuoglu M. Pulsed nicotine infusions as a model for smoking: validating a tool to explore nicotine thresholds in humans. Psychopharmacology 2024, 241: 1915-1922. PMID: 38970644, DOI: 10.1007/s00213-024-06609-6.Peer-Reviewed Original ResearchDiscriminative stimulus effectsAddiction thresholdNicotine doseDiscriminative stimulus effects of nicotineStimulus effects of nicotineNicotine deliveryEffects of nicotineOvernight abstinenceStimulus effectsNicotine infusionSubjective effectsTest sessionsNicotineMethodsEleven participantsInfusion procedureLow dosesParticipantsThreshold doseConclusionsTheseAbstinenceDoseHeart rateInfusionSmokingObjectivesToSmartband-based smoking detection and real-time brief mindfulness intervention: findings from a feasibility clinical trial
Horvath M, Pittman B, O’Malley S, Grutman A, Khan N, Gueorguieva R, Brewer J, Garrison K. Smartband-based smoking detection and real-time brief mindfulness intervention: findings from a feasibility clinical trial. Annals Of Medicine 2024, 56: 2352803. PMID: 38823419, PMCID: PMC11146247, DOI: 10.1080/07853890.2024.2352803.Peer-Reviewed Original ResearchConceptsBrief mindfulness interventionsMindfulness exercisesTreatment startersMindfulness interventionSmoking interventionsOnline mindfulness trainingWhite non-HispanicMindfulness trainingTreatment fidelityFeasibility measuresHelpfulness ratingsNon-HispanicDaily smokersPredicting smokingReduce smokingExerciseSmokingCigarette smokingInterventionLow completenessAdherenceParticipantsSmartbandAcceptanceMindfulness
2023
Including the term ‘tobacco-free nicotine’ in the nicotine addiction warning label mandated by the US Food and Drug Administration alters risk perceptions and use intentions
Morean M, Gueorguieva R, O'Malley S, Krishnan-Sarin S. Including the term ‘tobacco-free nicotine’ in the nicotine addiction warning label mandated by the US Food and Drug Administration alters risk perceptions and use intentions. Tobacco Control 2023, tc-2023-058133. PMID: 37898544, PMCID: PMC11055938, DOI: 10.1136/tc-2023-058133.Peer-Reviewed Original ResearchWarning labelsParticipant characteristicsUS FoodMultivariable logistic regressionNicotine e-cigarettesPublic health impactAdministration altersMost harmAddictive chemicalNicotine productsNicotine addictionDrug AdministrationAnonymous online surveyE-cigarettesLogistic regressionNicotineYoung individualsVulnerable populationsHealth impactsFDAPublic healthRisk perceptionParticipantsSignificant interactionAddictiveness
2021
Smartband-Based Automatic Smoking Detection and Real-time Mindfulness Intervention: Protocol for a Feasibility Trial
Horvath M, Grutman A, O'Malley SS, Gueorguieva R, Khan N, Brewer JA, Garrison KA. Smartband-Based Automatic Smoking Detection and Real-time Mindfulness Intervention: Protocol for a Feasibility Trial. JMIR Research Protocols 2021, 10: e32521. PMID: 34783663, PMCID: PMC8663689, DOI: 10.2196/32521.Peer-Reviewed Original ResearchBrief mindfulness interventionMindfulness interventionSmoking eventsINTERNATIONAL REGISTERED REPORT IDENTIFIERBrief mindfulness exerciseQuit dateSmartphone appMindfulness exercisesTreatment fidelitySmoking cessationDaily smokersUnique potential advantagesAvailable smartphone appsThree-step interventionCessation interventionsEnd of treatmentFeasibility measuresParticipantsFeasibility trialInterventionSecondary outcomesPrimary outcomeSmoking detectionPreventable deathsPilot trialAcute effects of inhaled menthol on cognitive effects of intravenous nicotine among young adult cigarette smokers
Jao NC, Gueorguieva R, Hitsman B, Sofuoglu M. Acute effects of inhaled menthol on cognitive effects of intravenous nicotine among young adult cigarette smokers. Addictive Behaviors 2021, 122: 107022. PMID: 34174551, PMCID: PMC8328965, DOI: 10.1016/j.addbeh.2021.107022.Peer-Reviewed Original ResearchConceptsContinuous performance taskMathematical processing taskCognitive effectsIntravenous nicotineCognitive task performanceYoung adult cigarette smokersType preferencesYoung adult smokersStroop taskCognitive tasksCognitive functioningCognitive performanceTask performancePerformance taskStroopAdult cigarette smokersProcessing tasksNicotine dosesNicotine dependenceTaskInteractive effectsParticipantsMixed effects modelsHigh nicotineSessions
2020
Examining Self-Weighing Behaviors and Associated Features and Treatment Outcomes in Patients with Binge-Eating Disorder and Obesity with and without Food Addiction
Wiedemann AA, Ivezaj V, Gueorguieva R, Potenza MN, Grilo CM. Examining Self-Weighing Behaviors and Associated Features and Treatment Outcomes in Patients with Binge-Eating Disorder and Obesity with and without Food Addiction. Nutrients 2020, 13: 29. PMID: 33374870, PMCID: PMC7823454, DOI: 10.3390/nu13010029.Peer-Reviewed Original ResearchConceptsBinge-eating disorderFood addictionFrequency of weighingShape/weightRelated perceptionsEating Disorder ExaminationBinge Eating DisorderBehavioral weight loss treatmentWeight loss treatmentDisorder ExaminationLess acceptanceFrequent weighingPoor treatment outcomesTreatment outcomesNegative reactionsBWL treatmentParticipantsLoss treatmentMixed effects modelsPerceptionFA statusAddictionAssociated featuresGreater likelihoodIndividuals
2019
Examining sex as a predictor and moderator of treatment outcomes for binge‐eating disorder: Analysis of aggregated randomized controlled trials
Lydecker JA, Gueorguieva R, Masheb R, White MA, Grilo CM. Examining sex as a predictor and moderator of treatment outcomes for binge‐eating disorder: Analysis of aggregated randomized controlled trials. International Journal Of Eating Disorders 2019, 53: 20-30. PMID: 31497876, PMCID: PMC6983351, DOI: 10.1002/eat.23167.Peer-Reviewed Original ResearchConceptsBinge-eating disorderEating-disorder psychopathologyCognitive behavioral therapySelf-report measuresModerators of outcomeTreatment outcomesBehavioral weight lossStatistical Manual-Fourth EditionSignificant moderatorWeight lossControl conditionModeratorCourse of treatmentBetter treatment outcomesGreater weight lossMain effectStructured interviewsTreatment settingsPsychopathologyMultimodal treatmentPatient groupRCT studiesMedical CenterBed treatmentParticipantsExamining Race as a Predictor and Moderator of Treatment Outcomes for Binge-Eating Disorder: Analysis of Aggregated Randomized Controlled Trials
Lydecker JA, Gueorguieva R, Masheb R, White MA, Grilo CM. Examining Race as a Predictor and Moderator of Treatment Outcomes for Binge-Eating Disorder: Analysis of Aggregated Randomized Controlled Trials. Journal Of Consulting And Clinical Psychology 2019, 87: 530-540. PMID: 31008634, PMCID: PMC6589831, DOI: 10.1037/ccp0000404.Peer-Reviewed Original ResearchConceptsBinge-eating disorderWhite participantsCognitive behavioral therapySelf-report measuresTreatment outcomesBinge-eating remissionModerate treatment outcomeBinge Eating DisorderBinge-eating episodesMain effectBlack participantsWeight lossBehavioral weight lossEvidence-based treatmentsLower depressionTreatment researchRandomized Controlled TrialsBetter treatment outcomesControl conditionParticipantsControlled TrialsMultimodal treatmentPercent weight lossPatient groupModerator