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
2018
E-cigarette nicotine dose and flavor: Relationship with appeal, choice, and tobacco use amongst veterans with comorbid psychiatric disorders
DeVito E, Buta E, Sofuoglu M. E-cigarette nicotine dose and flavor: Relationship with appeal, choice, and tobacco use amongst veterans with comorbid psychiatric disorders. Addictive Behaviors 2018, 92: 53-57. PMID: 30583091, PMCID: PMC6699503, DOI: 10.1016/j.addbeh.2018.12.013.Peer-Reviewed Original ResearchConceptsElectronic cigarettesNicotine levelsTobacco useTake-home trialOne monthNicotine electronic cigarettesHigh nicotine dependenceComorbid psychiatric disordersSmoking-related outcomesCombustible cigarette useNicotine e-liquidCombustible tobacco useBaseline characteristicsCessation aidCigarette smokersSmoking characteristicsNicotine doseWorse outcomesEC efficacyNicotine dependenceSmokersPsychiatric disordersCigarette useCombustible cigarettesSmoking
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 responsesA CHRNA5 Smoking Risk Variant Decreases the Aversive Effects of Nicotine in Humans
Jensen KP, DeVito EE, Herman AI, Valentine GW, Gelernter J, Sofuoglu M. A CHRNA5 Smoking Risk Variant Decreases the Aversive Effects of Nicotine in Humans. Neuropsychopharmacology 2015, 40: 2813-2821. PMID: 25948103, PMCID: PMC4864657, DOI: 10.1038/npp.2015.131.Peer-Reviewed Original ResearchMeSH KeywordsAdultBlood PressureCognition DisordersCotinineFemaleGenome-Wide Association StudyHeart RateHumansMaleMiddle AgedNerve Tissue ProteinsNeuropsychological TestsNicotineNicotinic AgonistsPolymorphism, Single NucleotideReceptors, NicotinicSmokingSubstance Withdrawal SyndromeSurveys and QuestionnairesConceptsAversive effectsHeavy smokingRisk allelesSmoking-related disordersAfrican American smokersCHRNA5-CHRNA3Doses of nicotineHigh nicotine doseNicotine administrationIntravenous doseNicotine effectsNicotine doseAmerican smokersWithdrawal severityOvernight abstinenceAcute responseAA subjectsCardiovascular reactivityCHRNB4 gene clusterNicotineEuropean AmericansAversive responsesAdministration sessionsSmokingCognitive performance