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 ResearchMeSH KeywordsFemaleHumansMaleNicotineSmoking CessationTobaccoTobacco ProductsTobacco Use DisorderYoung AdultConceptsNicotine 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 ResearchMeSH KeywordsAdultFemaleHeart RateHumansLaboratoriesMaleNicotineSmokersSmokingTobacco Use DisorderYoung AdultConceptsAbuse 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
2019
Double‐Blind Placebo‐Controlled Trial of Galantamine for Methadone‐Maintained Individuals With Cocaine Use Disorder: Secondary Analysis of Effects on Illicit Opioid Use
Carroll KM, DeVito EE, Yip SW, Nich C, Sofuoglu M. Double‐Blind Placebo‐Controlled Trial of Galantamine for Methadone‐Maintained Individuals With Cocaine Use Disorder: Secondary Analysis of Effects on Illicit Opioid Use. American Journal On Addictions 2019, 28: 238-245. PMID: 31165574, PMCID: PMC9078084, DOI: 10.1111/ajad.12904.Peer-Reviewed Original ResearchConceptsMethadone-maintained individualsOpioid useSecondary analysisMultiple drugsConcurrent cocaine dependenceTrial of galantaminePlacebo-controlled trialDouble-blind placeboIllicit opioid useRandomized clinical trialsCocaine use disorderGalantamine's effectFuture trialsClinical trialsUrine specimenUrine specimensUse disordersOpioidsCholinesterase inhibitorsMaintenance settingCocaine useCocaine dependencePlaceboConcurrent useGalantamine
2018
Minocycline does not affect experimental pain or addiction-related outcomes in opioid maintained patients
Arout CA, Waters AJ, MacLean RR, Compton P, Sofuoglu M. Minocycline does not affect experimental pain or addiction-related outcomes in opioid maintained patients. Psychopharmacology 2018, 236: 2857-2866. PMID: 30564869, PMCID: PMC6581631, DOI: 10.1007/s00213-018-5146-7.Peer-Reviewed Original ResearchConceptsOpioid-induced hyperalgesiaCold pressor testOpioid use disorderSerum cytokinesPain thresholdUse disordersAddiction-related outcomesProinflammatory serum cytokinesActivation of microgliaSeverity of painEcological momentary assessmentEnd of treatmentHuman laboratory studiesTest sessionsOpioid cravingMinocycline treatmentOpioid toleranceAgonist treatmentPain sensitivityVisit 1Minocycline effectsPressor testExperimental painPreclinical studiesGo/No-Go task
2015
The effects of alcohol-containing e-cigarettes on young adult smokers
Valentine GW, Jatlow PI, Coffman M, Nadim H, Gueorguieva R, Sofuoglu M. The effects of alcohol-containing e-cigarettes on young adult smokers. Drug And Alcohol Dependence 2015, 159: 272-276. PMID: 26778759, PMCID: PMC5171208, DOI: 10.1016/j.drugalcdep.2015.12.011.Peer-Reviewed Original ResearchConceptsSubjective drug effectsE-cigarettesDrug effectsAlcohol metabolitesPlasma alcohol levelsUrine ethyl glucuronideLong-term health risksYoung adult smokersAlcohol conditionE-liquidsAcute safetyAdult smokersNicotine intakeAcute changesSafety dataNicotine addictionCrossover designBiochemical measuresAlcohol levelsPsychomotor performanceElectronic cigarettesDexterity testVulnerable populationsEthyl glucuronideMotor performance
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