2023
Threshold 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-liquidsImpact of delivery rate on the acute response to intravenous nicotine: A human laboratory study with implications for regulatory science
De Aquino JP, MacLean RR, Gueorguieva R, DeVito EE, Eid T, Sofuoglu M. Impact of delivery rate on the acute response to intravenous nicotine: A human laboratory study with implications for regulatory science. Addiction Biology 2022, 27: e13161. PMID: 35229960, PMCID: PMC8903077, DOI: 10.1111/adb.13161.Peer-Reviewed Original ResearchConceptsAbuse potentialPositive subjective drug effectsSubjective drug effectsHuman laboratory studiesPositive subjective effectsAttention functionSmoking urgesOvernight abstinencePotential therapeutic effectsEffects of nicotineHeart rate increaseDelivery rateDependent smokersExperimental sessionsSubjective effectsNicotine dependenceIntravenous nicotineBlood pressureSaline infusionAcute effectsTherapeutic effectHeart rateDrug effectsAcute responseCrossover design
2021
The Effects of Inhaled Flavors on Intravenous Nicotine
MacLean RR, Gueorguieva R, DeVito EE, Peltier MR, Parida S, Sofuoglu M. The Effects of Inhaled Flavors on Intravenous Nicotine. Experimental And Clinical Psychopharmacology 2021, 29: 615-624. PMID: 32463279, PMCID: PMC7704548, DOI: 10.1037/pha0000394.Peer-Reviewed Original ResearchConceptsCigarette smokersIntravenous nicotineE-cigarettesYoung adult cigarette smokersSubject cross-over designAdult cigarette smokersMain outcome measuresPeak heart rateHigher following administrationCross-over designAcute rewarding effectsPresent studyFollowing administrationAcute effectsOutcome measuresHeart rateRewarding effectsTobacco cigarettesSmoking urgesRewarding propertiesNicotineAddictive effectsHigher cravingMenthol flavorsThousands of flavors
2018
Acute effects of inhaled menthol on the rewarding effects of intravenous nicotine in smokers
Valentine GW, DeVito EE, Jatlow PI, Gueorguieva R, Sofuoglu M. Acute effects of inhaled menthol on the rewarding effects of intravenous nicotine in smokers. Journal Of Psychopharmacology 2018, 32: 986-994. PMID: 29788802, PMCID: PMC6329876, DOI: 10.1177/0269881118773972.Peer-Reviewed Original ResearchConceptsPositive subjective effectsPositive subjective responsesIntravenous nicotineNicotine metabolismSubjective effectsNicotine metabolite ratioYoung adult smokersSlower nicotine metabolismTest sessionsSubjective responsesSevere nicotine withdrawalMenthol inhalationNicotine withdrawalAcute effectsAdult smokersWithdrawal severityNicotine infusionRewarding effectsSmokersSmoking urgesChronic exposureMetabolite ratiosAversive effectsMenthol conditionsElectronic cigarettes
2016
Effect of Menthol-preferring Status on Response to Intravenous Nicotine
DeVito EE, Valentine GW, Herman AI, Jensen KP, Sofuoglu M. Effect of Menthol-preferring Status on Response to Intravenous Nicotine. Tobacco Regulatory Science 2016, 2: 317-328. PMID: 28890914, PMCID: PMC5589161, DOI: 10.18001/trs.2.4.4.Peer-Reviewed Original ResearchSmoking urgesPre-existing individual differencesNicotine dosesNicotine-dependent participantsOvernight smoking abstinenceShort-term abstinenceNon-menthol cigarettesIndividual differencesCognitive performanceCigarette smokersOvernight abstinenceNon-menthol cigarette smokersAcute nicotineSmokers' responsesDependent participantsSmoking abstinenceSubjective differencesEffect of mentholIntravenous nicotineAbstinenceMenthol preferenceSmokersPRO useParticipantsUrge
2015
Intravenous Nicotine Self-Administration in Smokers: Dose–Response Function and Sex Differences
Jensen KP, DeVito EE, Valentine G, Gueorguieva R, Sofuoglu M. Intravenous Nicotine Self-Administration in Smokers: Dose–Response Function and Sex Differences. Neuropsychopharmacology 2015, 41: 2034-2040. PMID: 26717881, PMCID: PMC4908640, DOI: 10.1038/npp.2015.373.Peer-Reviewed Original ResearchConceptsBlood pressureHeart rateFemale smokersRandomized double-blind crossover designDouble-blind crossover designSubjective effectsTobacco-dependent subjectsSex differencesDiastolic blood pressureIntravenous Nicotine Self-AdministrationSelf-administration ratesNicotine Self-AdministrationDose-response functionNicotine dosesNicotine doseTobacco dependenceIntravenous nicotineCrossover designSelf-AdministrationReinforcement thresholdSmokersInfusionNicotineForced-choice trialsAversive responses
2013
Subjective, Physiological, and Cognitive Responses to Intravenous Nicotine: Effects of Sex and Menstrual Cycle Phase
DeVito EE, Herman AI, Waters AJ, Valentine GW, Sofuoglu M. Subjective, Physiological, and Cognitive Responses to Intravenous Nicotine: Effects of Sex and Menstrual Cycle Phase. Neuropsychopharmacology 2013, 39: 1431-1440. PMID: 24345818, PMCID: PMC3988546, DOI: 10.1038/npp.2013.339.Peer-Reviewed Original ResearchConceptsSubjective drug effectsMenstrual cycle phaseDrug effectsNicotine dependenceMenstrual cycle phase effectsFollicular phase womenSerious public health concernCycle phase effectsSymptoms of withdrawalLuteal phase femalesPublic health concernMenstrual phase differencesNicotine administrationOptimal treatmentIntravenous nicotineLuteal phaseOvernight abstinenceSmoking behaviorCycle phaseNicotine responseGreater physiological responsesBiochemical confirmationHealth concernEffects of sexBetter cognition