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
2022
Impact 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
2012
Rapid Nicotine Clearance is Associated with Greater Reward and Heart Rate Increases from Intravenous Nicotine
Sofuoglu M, Herman AI, Nadim H, Jatlow P. Rapid Nicotine Clearance is Associated with Greater Reward and Heart Rate Increases from Intravenous Nicotine. Neuropsychopharmacology 2012, 37: 1509-1516. PMID: 22334123, PMCID: PMC3327855, DOI: 10.1038/npp.2011.336.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnalysis of VarianceCarbon MonoxideChi-Square DistributionChromatography, High Pressure LiquidCotinineDose-Response Relationship, DrugHeart RateHumansHydrocortisoneInjections, IntravenousMaleMiddle AgedNicotineNicotinic AgonistsSingle-Blind MethodSubstance Withdrawal SyndromeTandem Mass SpectrometryTime FactorsYoung AdultConceptsHigher nicotine metabolite ratioNicotine metabolite ratioHeart rate increaseCessation treatmentNicotine clearanceOvernight abstinenceGood drug effectBlood pressure measuresDiastolic blood pressure measuresEffects of nicotinePoor treatment responseNicotine dependence scoresTreatment-seeking smokersGreater heart rate increaseIntravenous dosesNicotine patchPoor outcomeNicotine rewardDrug likingFagerstrom TestTreatment outcomesIntravenous nicotineTreatment responseCigarette cravingHeart rate
2000
Effects of Labetalol Treatment on the Physiological and Subjective Response to Smoked Cocaine
Sofuoglu M, Brown S, Babb D, Pentel P, Hatsukami D. Effects of Labetalol Treatment on the Physiological and Subjective Response to Smoked Cocaine. Pharmacology Biochemistry And Behavior 2000, 65: 255-259. PMID: 10672977, DOI: 10.1016/s0091-3057(99)00201-4.Peer-Reviewed Original ResearchConceptsSystolic blood pressureLabetalol treatmentBlood pressureDose of labetalolEffects of labetalolSubjective responsesCocaine deliveryHeart rate increaseCocaine-induced increasesEffect of treatmentCrossover studyMedication treatmentCardiovascular responsesHeart rateAdrenergic receptorsLabetalolSmoked CocaineBehavioral effectsSubjective effectsCocaineDrug labetalolCocaine usersTreatmentDosesExperimental sessions