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
2021
Threshold 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
2016
How Intravenous Nicotine Administration in Smokers Can Inform Tobacco Regulatory Science
Jensen KP, DeVito EE, Sofuoglu M. How Intravenous Nicotine Administration in Smokers Can Inform Tobacco Regulatory Science. Tobacco Regulatory Science 2016, 2: 452-463. PMID: 29082299, PMCID: PMC5659331, DOI: 10.18001/trs.2.4.14.Peer-Reviewed Original ResearchDose-dependent effectTobacco productsTobacco regulatory scienceNicotine deliveryIntravenous nicotine administrationNicotine reduction strategyPublic health priorityFamily Smoking PreventionTobacco Control ActDrug Administration authorityEffective tobacco control policiesLevels of nicotineTobacco control policiesMaintenance of addictionNicotine administrationNegative health effectsNicotine reinforcementSmoking preventionHealth priorityNicotine pharmacologyHealth effectsNicotine contentNicotineRegulatory scienceDelivery