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
2018
Biochemical, demographic, and self-reported tobacco-related predictors of the acute heart rate response to nicotine in smokers
Jensen KP, Valentine G, Buta E, DeVito EE, Gelernter J, Sofuoglu M. Biochemical, demographic, and self-reported tobacco-related predictors of the acute heart rate response to nicotine in smokers. Pharmacology Biochemistry And Behavior 2018, 173: 36-43. PMID: 30107183, PMCID: PMC6125200, DOI: 10.1016/j.pbb.2018.08.004.Peer-Reviewed Original ResearchConceptsAcute heart rate responseHeart rate responseNicotine infusionHigher nicotine metabolite ratioTobacco harm reduction approachesRate responseGreater withdrawal symptomsNicotine metabolite ratioBlood-based biomarkersNicotine delivery systemsWarrants further investigationHarm reduction approachWithdrawal symptomsCardiovascular functionLower nicotine levelsTobacco useMetabolite ratiosNicotine levelsSmokeless productsHigher cortisolSmokersHR effectsStimulatory effectNicotineDemographic characteristicsAcute 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