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 rateInfusionSmokingObjectivesToW68 Greater Coupling of Pain Intensity and Opioid Craving After Delaying Methadone Dose Among Veterans With Opioid Use Disorder
MacLean R, Spinola S, Pittman B, Meyerovich J, Szollosy S, Wolkowicz N, Sofuoglu M. W68 Greater Coupling of Pain Intensity and Opioid Craving After Delaying Methadone Dose Among Veterans With Opioid Use Disorder. Drug And Alcohol Dependence 2024, 260: 110686. DOI: 10.1016/j.drugalcdep.2023.110686.Peer-Reviewed Original ResearchThe relationship of pain intensity and opioid craving with delayed methadone dose: A preliminary study of individuals with opioid use disorder
MacLean R, Spinola S, Pittman B, Meyerovich J, Szollosy S, Wolkowicz N, Minnix S, Sofuoglu M. The relationship of pain intensity and opioid craving with delayed methadone dose: A preliminary study of individuals with opioid use disorder. British Journal Of Clinical Pharmacology 2024, 90: 2977-2984. PMID: 38439592, DOI: 10.1111/bcp.16027.Peer-Reviewed Original ResearchCold pressor testMethadone doseExperience of painOpioid cravingMethadone conditionTime course of painRelationship of pain intensityDose conditionsCourse of painAssessment of painOpioid use disorderCross-over designPain intensityPain thresholdIncreased riskPainStudy visitsPressor testDelayed dosesUse disorderCravingOpioidMethadone treatmentDoseMethadone
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