2023
Examining racial differences in smoking outcomes among smokers enrolled in an intravenous nicotine infusion study
Schwartz E, Palmisano A, Gueorguieva R, DeVito E, Sofuoglu M. Examining racial differences in smoking outcomes among smokers enrolled in an intravenous nicotine infusion study. Addictive Behaviors 2023, 140: 107615. PMID: 36640662, PMCID: PMC9911383, DOI: 10.1016/j.addbeh.2023.107615.Peer-Reviewed Original ResearchConceptsSmoking-related illnessesNegative drug effectsNicotine clearanceOvernight abstinenceNicotine infusionDrug effectsMentholated cigarettesWhite individualsBlack individualsAcute pharmacologic effectsSmoking-related morbiditySmoking-related diseasesAdministration of nicotineSmoking-related outcomesSubjective drug effectsShort-term abstinenceLower ratesTrend level differenceLarge racial disparitiesNicotine administrationNicotine dosesTrend-level significancePharmacologic effectsTreatment strategiesOutcome measures
2022
Development of pulsed intravenous nicotine infusions as a model for inhaled nicotine in humans
De Aquino JP, DeVito EE, Xie C, Meyerovich J, Parida S, Gueorguieva R, Sofuoglu M. Development of pulsed intravenous nicotine infusions as a model for inhaled nicotine in humans. Psychopharmacology 2022, 239: 2809-2818. PMID: 35554617, DOI: 10.1007/s00213-022-06162-0.Peer-Reviewed Original ResearchImpact 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 flavorsThreshold dose for intravenous nicotine self-administration in young adult non-dependent smokers
MacLean RR, DeVito EE, Eid T, Parida S, Gueorguieva R, Sofuoglu M. Threshold dose for intravenous nicotine self-administration in young adult non-dependent smokers. Psychopharmacology 2021, 238: 2083-2090. PMID: 33796907, PMCID: PMC8715498, DOI: 10.1007/s00213-021-05833-8.Peer-Reviewed Original ResearchConceptsDose of nicotineNicotine reinforcementHigh doseSubjective effectsHuman laboratory studiesYoung adult smokersNicotine self-administration modelNon-dependent smokersOvernight nicotine abstinenceEffects modelSelf-administration modelSelf-administration procedureNicotine doseAdult smokersMethodsYoung adultsObjectivesThe current studyNicotine abstinenceNicotine addictionHigh dosesLow dosesPlaceboThreshold doseReinforcement thresholdTobacco productsDose
2019
Modulation of “Protective” Nicotine Perception and Use Profile by Flavorants: Preliminary Findings in E-cigarettes
DeVito EE, Jensen KP, O’Malley S, Gueorguieva R, Krishnan-Sarin S, Valentine G, Jatlow PI, Sofuoglu M. Modulation of “Protective” Nicotine Perception and Use Profile by Flavorants: Preliminary Findings in E-cigarettes. Nicotine & Tobacco Research 2019, 22: 771-781. PMID: 30995302, PMCID: PMC7368338, DOI: 10.1093/ntr/ntz057.Peer-Reviewed Original ResearchConceptsSubjective drug effectsNicotine-containing e-liquidsSelf-administered more nicotineAversive effectsSingle testing dayE-cigarettesSelf-reported preferencesE-cigarette appealRs16969968 genotypePreliminary findingsUnflavored e-liquidsIndividual differencesDrug effectsAd libitumE-liquidsAversive actionsTobacco productsNicotine effectsLow-risk groupNicotine-free e-liquidsPalatable flavorAversivenessTesting daysNicotinic acetylcholine receptor subunit genesNumber of puffs
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