2024
Pulsed nicotine infusions as a model for smoking: validating a tool to explore nicotine thresholds in humans
Parida S, MacLean R, Gueorguieva R, Sofuoglu M. Pulsed nicotine infusions as a model for smoking: validating a tool to explore nicotine thresholds in humans. Psychopharmacology 2024, 241: 1915-1922. PMID: 38970644, DOI: 10.1007/s00213-024-06609-6.Peer-Reviewed Original ResearchDiscriminative stimulus effectsAddiction thresholdNicotine doseDiscriminative stimulus effects of nicotineStimulus effects of nicotineNicotine deliveryEffects of nicotineOvernight abstinenceStimulus effectsNicotine infusionSubjective effectsTest sessionsNicotineMethodsEleven participantsInfusion procedureLow dosesParticipantsThreshold doseConclusionsTheseAbstinenceDoseHeart rateInfusionSmokingObjectivesTo
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
Progesterone Increases Nicotine Withdrawal and Anxiety in Male but Not Female Smokers During Brief Abstinence
Novick AM, Duffy KA, Johnson RL, Sammel MD, Cao W, Strasser AA, Sofuoglu M, Kuzma A, Loughead J, Epperson CN. Progesterone Increases Nicotine Withdrawal and Anxiety in Male but Not Female Smokers During Brief Abstinence. Nicotine & Tobacco Research 2022, 24: 1898-1905. PMID: 35713950, PMCID: PMC9653080, DOI: 10.1093/ntr/ntac146.Peer-Reviewed Original ResearchConceptsBrief abstinenceNegative affectNicotine withdrawalNicotine use disorderUse disordersFemale smokersNeural measuresFinal drug administrationSmoking cuesSmoking-related outcomesNeural responsesEffect of progesteroneSmoking urgesMood statesSex-dependent effectsSmoking outcomesNicotine effectsDrug AdministrationAbstinence periodSubjective effectsNicotine dependenceAbstinenceMain effectSignificant sexPlacebo-controlled crossover studyImpact 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
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
2017
Inhalation of Alcohol Vapor: Measurement and Implications
MacLean RR, Valentine GW, Jatlow PI, Sofuoglu M. Inhalation of Alcohol Vapor: Measurement and Implications. Alcohol Clinical And Experimental Research 2017, 41: 238-250. PMID: 28054395, PMCID: PMC6143144, DOI: 10.1111/acer.13291.Peer-Reviewed Original ResearchConceptsAlcohol inhalationAlcohol consumptionAcute alcohol exposureElevated blood alcohol concentrationsRoute of administrationOral alcohol consumptionFirst-pass metabolismAlcohol use disorderPublic health concernMeasurement of biomarkersBlood alcohol concentrationRisk of addictionPharmacodynamic profileAlcohol exposureArterial circulationOccupational exposureMeasurable biomarkersPharmacological effectsUse disordersInhalationE-cigarettesHealth concernSubjective effectsRisk of problemsGoogle Scholar
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 responses
2001
Progesterone treatment during the early follicular phase of the menstrual cycle: Effects on smoking behavior in women
Sofuoglu M, Babb D, Hatsukami D. Progesterone treatment during the early follicular phase of the menstrual cycle: Effects on smoking behavior in women. Pharmacology Biochemistry And Behavior 2001, 69: 299-304. PMID: 11420098, DOI: 10.1016/s0091-3057(01)00527-5.Peer-Reviewed Original ResearchConceptsEarly follicular phaseProgesterone treatmentFollicular phaseSmoking behaviorFemale smokersMenstrual cycleProgesterone levelsDose of progesteroneEffect of progesteroneSelf-administration periodMedication treatmentEndogenous estradiolExperimental sessionsExogenous progesteroneNicotine dependenceProgesteroneSubjective effectsSmokersTreatmentEstradiolSubjective responsesCigarettesSecond sessionSubjectsWomen
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
1999
Sex and Menstrual Cycle Differences in the Subjective Effects From Smoked Cocaine in Humans
Sofuoglu M, Dudish-Poulsen S, Nelson D, Pentel P, Hatsukami D. Sex and Menstrual Cycle Differences in the Subjective Effects From Smoked Cocaine in Humans. Experimental And Clinical Psychopharmacology 1999, 7: 274-283. PMID: 10472516, DOI: 10.1037/1064-1297.7.3.274.Peer-Reviewed Original Research