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