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
2019
Maintenance of antidepressant and antisuicidal effects by D-cycloserine among patients with treatment-resistant depression who responded to low-dose ketamine infusion: a double-blind randomized placebo–control study
Chen MH, Cheng CM, Gueorguieva R, Lin WC, Li CT, Hong CJ, Tu PC, Bai YM, Tsai SJ, Krystal JH, Su TP. Maintenance of antidepressant and antisuicidal effects by D-cycloserine among patients with treatment-resistant depression who responded to low-dose ketamine infusion: a double-blind randomized placebo–control study. Neuropsychopharmacology 2019, 44: 2112-2118. PMID: 31421635, PMCID: PMC6898334, DOI: 10.1038/s41386-019-0480-y.Peer-Reviewed Original ResearchConceptsTreatment-resistant depressionAntisuicidal effectsPlacebo groupKetamine infusionDCS groupD-cycloserineDouble-blind randomized placebo-controlled studyN-methyl-D-aspartate (NMDA) glutamate receptorsHamilton Depression Rating Scale scoresLow-dose ketamine infusionRandomized placebo-controlled studyDepression Rating Scale scoresHAMD item 3Single subanesthetic doseInitial clinical responsePlacebo-controlled studyRating Scale scoresClinical responseDose titrationSubanesthetic doseAugmentation treatmentGlutamate receptorsMixed model analysisSuicidal riskScale score
2015
Reduction of alcohol drinking in young adults by naltrexone: a double-blind, placebo-controlled, randomized clinical trial of efficacy and safety.
O'Malley SS, Corbin WR, Leeman RF, DeMartini KS, Fucito LM, Ikomi J, Romano DM, Wu R, Toll BA, Sher KJ, Gueorguieva R, Kranzler HR. Reduction of alcohol drinking in young adults by naltrexone: a double-blind, placebo-controlled, randomized clinical trial of efficacy and safety. The Journal Of Clinical Psychiatry 2015, 76: e207-13. PMID: 25742208, PMCID: PMC4442987, DOI: 10.4088/jcp.13m08934.Peer-Reviewed Original ResearchConceptsHeavy drinking daysBlood alcohol concentrationPercent days abstinentDrinking daysNumber of drinksYoung adultsDays abstinentPercent heavy drinking daysOutpatient research centerSafety of naltrexonePlacebo-controlled studySerious adverse eventsRisk-benefit ratioPercentage of daysAdverse eventsSecondary outcomesPrimary outcomeFrequency of drinkingOpioid antagonistAdult heavy drinkersAlcohol drinkingClinical trialsEvaluable samplesYoung adult heavy drinkersTreatment period
2013
A randomized, placebo-controlled, double-blind trial of sertraline for postpartum depression
Hantsoo L, Ward-O’Brien D, Czarkowski KA, Gueorguieva R, Price LH, Epperson CN. A randomized, placebo-controlled, double-blind trial of sertraline for postpartum depression. Psychopharmacology 2013, 231: 939-948. PMID: 24173623, PMCID: PMC3945214, DOI: 10.1007/s00213-013-3316-1.Peer-Reviewed Original ResearchConceptsDSM-IV criteriaDouble-blind placebo-controlled trialSelective serotonin reuptake inhibitor sertralineSerotonin reuptake inhibitor sertralineClinical Global Impression scoresHamilton Depression Rating ScaleRating ScaleStrict DSM-IV criteriaDouble-blind trialPlacebo-controlled studyPlacebo-controlled trialHamilton Anxiety Rating ScaleMonths of deliverySubset of womenPrimary outcome variableWeeks of childbirthDepression Rating ScaleGlobal Impression scoresGreater response rateMajor depressive disorderOnset of depressionAnxiety Rating ScaleSignificant groupSertraline 50Remission rate
2011
Glutamatergic Modulation of Auditory Information Processing in the Human Brain
Gunduz-Bruce H, Reinhart RM, Roach BJ, Gueorguieva R, Oliver S, D'Souza DC, Ford JM, Krystal JH, Mathalon DH. Glutamatergic Modulation of Auditory Information Processing in the Human Brain. Biological Psychiatry 2011, 71: 969-977. PMID: 22036036, PMCID: PMC3290754, DOI: 10.1016/j.biopsych.2011.09.031.Peer-Reviewed Original ResearchConceptsN-acetylcysteineAuditory mismatch negativityReceptor antagonistN-methyl-D-aspartate receptor antagonistAspartate glutamate receptor antagonistOral N-acetylcysteinePlacebo-controlled studyGlutamate receptor antagonistsEffects of ketamineInfusion of salineMismatch negativityTest dayMMN amplitudeCystine-glutamate exchangerAuditory information processingP300 event-related potentialGlutamatergic modulationCognitive enhancing agentsEvent-related potentialsKetamine effectsHealthy volunteersHealthy humansSchizophrenia patientsPositive symptomsKetamine
2008
Blunted Psychotomimetic and Amnestic Effects of Δ-9-Tetrahydrocannabinol in Frequent Users of Cannabis
D'Souza DC, Ranganathan M, Braley G, Gueorguieva R, Zimolo Z, Cooper T, Perry E, Krystal J. Blunted Psychotomimetic and Amnestic Effects of Δ-9-Tetrahydrocannabinol in Frequent Users of Cannabis. Neuropsychopharmacology 2008, 33: 2505-2516. PMID: 18185500, PMCID: PMC3799954, DOI: 10.1038/sj.npp.1301643.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAmnesiaAttentionBrainDose-Response Relationship, DrugDouble-Blind MethodDronabinolDrug Administration ScheduleDrug ToleranceFemaleHallucinationsHallucinogensHumansHydrocortisoneMaleMarijuana AbuseMiddle AgedPerceptual DisordersProlactinPsychoses, Substance-InducedTachycardiaYoung AdultConceptsAmnestic effectsPerceptual alterationsDelta-9-TetrahydrocannabinolCannabis useSubjective effectsFrequent usersCannabisEffects of cannabinoidsIllicit substancesPsychotomimetic effectsEuphoric effectsHealthy controlsHealthy individualsMemoryImpairingPsychosisDose-related effectsIndividualsCortisolPsychotomimeticsAttentionPeopleUsersPlacebo-controlled studyEffect
2005
Control Group Bias in Randomized Atypical Antipsychotic Medication Trials for Schizophrenia
Woods SW, Gueorguieva RV, Baker CB, Makuch RW. Control Group Bias in Randomized Atypical Antipsychotic Medication Trials for Schizophrenia. JAMA Psychiatry 2005, 62: 961-970. PMID: 16143728, DOI: 10.1001/archpsyc.62.9.961.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAntipsychotic AgentsBrief Psychiatric Rating ScaleDouble-Blind MethodDrug Administration ScheduleFemaleHumansMalePlacebosPsychotic DisordersRandomized Controlled Trials as TopicResearch DesignSchizophreniaSchizophrenic PsychologySelection BiasSeverity of Illness IndexSex FactorsTreatment OutcomeConceptsBrief Psychiatric Rating ScalePlacebo-controlled trialPsychiatric Rating ScalePlacebo-controlled studyAtypical antipsychotic medicationsDose-controlled studyMedication trialsAntipsychotic medicationRating ScaleDouble-blind clinical trialNew atypical antipsychotic medicationsDose-controlled trialsTreatment completion ratesPlacebo control groupEnd point changePercentage of menDrug Administration databaseRandom effects analysisIll adultsMedication armClinical trialsNew medicationsNovel medicationsSame drugAverage ageDelta-9-tetrahydrocannabinol effects in schizophrenia: Implications for cognition, psychosis, and addiction
D’Souza D, Abi-Saab WM, Madonick S, Forselius-Bielen K, Doersch A, Braley G, Gueorguieva R, Cooper TB, Krystal JH. Delta-9-tetrahydrocannabinol effects in schizophrenia: Implications for cognition, psychosis, and addiction. Biological Psychiatry 2005, 57: 594-608. PMID: 15780846, DOI: 10.1016/j.biopsych.2004.12.006.Peer-Reviewed Original ResearchMeSH KeywordsAdultAkathisia, Drug-InducedArousalCognitionDose-Response Relationship, DrugDouble-Blind MethodDronabinolEndocrine SystemFemaleHumansInjections, IntravenousMaleMental RecallMiddle AgedMotor ActivityNeuropsychological TestsPerceptionPsychiatric Status Rating ScalesPsychotic DisordersPsychotropic DrugsSchizophreniaVerbal LearningConceptsSchizophrenia patientsAntipsychotic-treated schizophrenia patientsDelta-9-tetrahydrocannabinol effectsLong-term adverse eventsCognitive deficitsPlacebo-controlled studyDelta-9-THCTransient exacerbationAdverse eventsReceptor dysfunctionEndocrine effectsHealthy subjectsStudy participationPsychotic disordersPlasma prolactinSchizophrenia symptomsPatientsSchizophreniaCognitive effectsPerceptual alterationsDeficitsCannabisSubjectsAkathisiaExacerbation