2025
Secondary Analysis to Advance Characterization of On-body Electrocardiographic Sensors in a Clinical Cocaine Self-administration Paradigm
Angarita G, Mayerson T, Pittman B, Natarajan A, Parate A, Marlin B, Gueorguieva R, Potenza M, Ganesan D, Malison R. Secondary Analysis to Advance Characterization of On-body Electrocardiographic Sensors in a Clinical Cocaine Self-administration Paradigm. Journal Of Addiction Medicine 2025 DOI: 10.1097/adm.0000000000001479.Peer-Reviewed Original ResearchCocaine useCocaine self-administration paradigmCocaine Self-AdministrationSelf-administration paradigmTobacco useHeart rateMethylphenidate administrationSelf-AdministrationCocaineDiscriminatory powerAerobic exerciseReceiver Operating CharacteristicMethylphenidateSecondary analysisPrimary outcomeElectrocardiogram tracingsElectrocardiogramExerciseR waveHeartTobaccoOperating characteristicsThe effect of inpatient brief cognitive-behavioral therapy for suicide prevention on post-discharge emergency department utilization: Secondary analysis of a randomized clinical trial
Diefenbach G, Collett S, Black S, Rudd M, Gueorguieva R, Tolin D. The effect of inpatient brief cognitive-behavioral therapy for suicide prevention on post-discharge emergency department utilization: Secondary analysis of a randomized clinical trial. General Hospital Psychiatry 2025, 93: 73-79. PMID: 39837259, DOI: 10.1016/j.genhosppsych.2025.01.007.Peer-Reviewed Original ResearchConceptsSubstance use disordersBrief cognitive-behavioral therapyCognitive-behavioral therapyED visitsSuicide preventionSecondary analysisEmergency departmentSuicide-related ED visitsHistory of suicide attemptsEmergency department utilizationElectronic medical record reviewPost-discharge emergency departmentMedical record reviewED utilizationPsychiatric readmissionTreatment effectsSuicide attemptsUse disorderRecord reviewSelf-ReportRandomized clinical trialsGeneralized linear modelVisitsSuicidePost-discharge ED visits
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 effectThreshold for the Pleasurable Effects of Nicotine Are Lower Than Its Reinforcing Effects During Self-Administration
MacLean RR, Eid T, Parida S, Gueorguieva R, DeVito EE, Sofuoglu M. Threshold for the Pleasurable Effects of Nicotine Are Lower Than Its Reinforcing Effects During Self-Administration. Experimental And Clinical Psychopharmacology 2023, 31: 37-45. PMID: 35254839, PMCID: PMC9448824, DOI: 10.1037/pha0000556.Peer-Reviewed Original ResearchConceptsNicotine metabolite ratioDose of nicotineNicotine reinforcementSubjective effectsDiscriminative stimulus effectsHeart rate increaseDoses of nicotineSelf-administration procedureSubjective positive effectsDaily smokersBaseline cravingIntravenous nicotineOvernight abstinenceCigarette cravingDrug effectsMetabolite ratiosStimulus effectsSecondary analysisPlaceboSelf-AdministrationNicotine choiceTobacco productsNicotinePleasurable effectsYoung adults
2022
Plasma Menthol Glucuronide as a Biomarker for the Behavioral Effects of Menthol and Nicotine in Humans
Gueorguieva R, Schwartz EKC, MacLean RR, DeVito EE, Eid T, Wu R, O’Malley S, Sofuoglu M. Plasma Menthol Glucuronide as a Biomarker for the Behavioral Effects of Menthol and Nicotine in Humans. Frontiers In Pharmacology 2022, 13: 844824. PMID: 35431934, PMCID: PMC9009207, DOI: 10.3389/fphar.2022.844824.Peer-Reviewed Original ResearchSubjective drug effectsPlasma Mg concentrationHeart rateDrug effectsIntravenous deliveryNon-menthol cigarette smokersPlacebo-controlled studyTest sessionsCigarette smokersMenthol smokersAcute effectsIntravenous nicotineGlucuronide concentrationsMAIN OUTCOMENicotine infusionMenthol glucuronideSecondary analysisPlasma MgE-cigarettesBehavioral effectsMenthol exposureNicotineSmokersPhysiological effectsE-liquids
2021
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
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
2018
Plasma Menthol Glucuronide as a Biomarker of Acute Menthol Inhalation
Jatlow P, Valentine G, Gueorguieva R, Nadim H, Wu R, O'Malley SS, Sofuoglu M. Plasma Menthol Glucuronide as a Biomarker of Acute Menthol Inhalation. Tobacco Regulatory Science 2018, 4: 586-591. PMID: 29479558, PMCID: PMC5822727, DOI: 10.18001/trs.4.1.5.Peer-Reviewed Original ResearchPlasma Mg concentrationHuman challenge studiesMenthol inhalationMenthol glucuronideMenthol exposureChallenge studiesAnti-irritant effectsDose-dependent increaseInhalation of aerosolsE-cigarette solutionsVenous plasmaVenous bloodIntravenous nicotineNicotine dependenceSecondary analysisInhalationE-cigarettesQuantitative biomarkersVulnerable populationsInter-individual differencesAfrican AmericansNicotineMenthol concentrationGlucuronideBiomarkers
2016
Improvements 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
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