2024
From taboo to treatment: The emergence of psychedelics in the management of pain and opioid use disorder
Weleff J, Nunes J, Costa G, Sofuoglu M, MacLean R, De Aquino J. From taboo to treatment: The emergence of psychedelics in the management of pain and opioid use disorder. British Journal Of Clinical Pharmacology 2024, 90: 3036-3053. PMID: 38627909, PMCID: PMC11480258, DOI: 10.1111/bcp.16045.Peer-Reviewed Original ResearchOpioid use disorderChronic painLong-term opioid therapyManagement of chronic painPain management alternativeOpioid-induced analgesiaInnovative treatment optionsManagement of painReverse painCentral sensitizationOpioid therapyPain controlTreatment optionsClinical challengeClinical trialsPainPotential therapeutic applicationsPain experiencePotential of psychedelicsNovel therapeuticsHuman evidenceOpioid crisisNeurobiological substratesOpioidExploration of novel therapeuticsEditorial for the themed issue: Addressing the dual challenges of opioid use disorder and chronic pain in the context of the opioid crisis
Sofuoglu M, MacLean R, De Aquino J. Editorial for the themed issue: Addressing the dual challenges of opioid use disorder and chronic pain in the context of the opioid crisis. British Journal Of Clinical Pharmacology 2024, 90: 2960-2961. PMID: 39340184, PMCID: PMC11604519, DOI: 10.1111/bcp.16273.Peer-Reviewed Original ResearchPulsed 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 rateInfusionSmokingObjectivesToW82 Variation in Psychosocial Symptom Change: A Preliminary Examination of Veterans in Early Medication Treatment for Opioid Use Disorder
Wolkowicz N, Sofuoglu M, De Aquino J, MacLean R. W82 Variation in Psychosocial Symptom Change: A Preliminary Examination of Veterans in Early Medication Treatment for Opioid Use Disorder. Drug And Alcohol Dependence 2024, 260: 110700. DOI: 10.1016/j.drugalcdep.2023.110700.Peer-Reviewed Original ResearchW68 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 ResearchA preliminary investigation of the acute effects of delta-9-tetrahydrocannabinol on pain and opioid attentional bias among persons with opioid use disorder
Wolkowicz N, Sofuoglu M, Pittman B, Meyerovich J, MacLean R, De Aquino J. A preliminary investigation of the acute effects of delta-9-tetrahydrocannabinol on pain and opioid attentional bias among persons with opioid use disorder. Journal Of Psychiatric Research 2024, 177: 90-95. PMID: 38991269, PMCID: PMC11371499, DOI: 10.1016/j.jpsychires.2024.06.047.Peer-Reviewed Original ResearchAttentional biasOpioid use disorderDelta-9-tetrahydrocannabinolTHC administrationDose of methadoneOpioid cuesUse disorderEffects of delta-9-tetrahydrocannabinolLower doses of methadoneVisual probe taskHigher doses of methadoneEffects of cannabinoidsFive-hour sessionTHC doseOral THCProbe taskPsychoactive constituentAddictive propertiesMethadone patientsMethadone doseWithin-subjectTHCPreliminary evidenceMethadoneAcute effectsEfficacy of Integrating the Management of Pain and Addiction via Collaborative Treatment (IMPACT) in Individuals With Chronic Pain and Opioid Use Disorder: Protocol for a Randomized Clinical Trial of a Digital Cognitive Behavioral Treatment
MacLean R, Ankawi B, Driscoll M, Gordon M, Frankforter T, Nich C, Szollosy S, Loya J, Brito L, Ribeiro M, Edmond S, Becker W, Martino S, Sofuoglu M, Heapy A. Efficacy of Integrating the Management of Pain and Addiction via Collaborative Treatment (IMPACT) in Individuals With Chronic Pain and Opioid Use Disorder: Protocol for a Randomized Clinical Trial of a Digital Cognitive Behavioral Treatment. JMIR Research Protocols 2024, 13: e54342. PMID: 38506917, PMCID: PMC10993119, DOI: 10.2196/54342.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
2025
T108 A Qualitative Investigation of Veterans’ Perceived Barriers to Medication Treatment for Opioid Use Disorder
Wolkowicz N, Musket C, Sofuoglu M, Reilly E, MacLean R, Portnoy G. T108 A Qualitative Investigation of Veterans’ Perceived Barriers to Medication Treatment for Opioid Use Disorder. Drug And Alcohol Dependence 2025, 267: 111876. DOI: 10.1016/j.drugalcdep.2024.111876.Peer-Reviewed Original Research
2023
Integrating cognitive bias modification for pain and opioid cues into medication for opioid use disorder clinical care: Feasibility, acceptability, and preliminary results
MacLean R, Heapy A, Waters A, Wolkowicz N, Szollosy S, Meyerovich J, Sofuoglu M. Integrating cognitive bias modification for pain and opioid cues into medication for opioid use disorder clinical care: Feasibility, acceptability, and preliminary results. Drug And Alcohol Dependence 2023, 246: 109857. PMID: 37004461, PMCID: PMC10189744, DOI: 10.1016/j.drugalcdep.2023.109857.Peer-Reviewed Original ResearchConceptsTrial-level bias scoresOpioid cuesAB taskCognitive bias modification taskAttentional bias taskCognitive bias modificationComputer-based tasksPreliminary efficacyOpioid use disorderCurrent studyBias modificationBias taskBias scoresModification tasksCBM groupCBM tasksChronic painAcceptability measuresControl conditionTaskUse disordersClinical careCuesTime interactionParticipantsOpioid Use Disorder With Chronic Pain Increases Disease Burden and Service Use
MacLean RR, Sofuoglu M, Stefanovics E, Rosenheck R. Opioid Use Disorder With Chronic Pain Increases Disease Burden and Service Use. Psychological Services 2023, 20: 157-165. PMID: 34968125, PMCID: PMC9358616, DOI: 10.1037/ser0000607.Peer-Reviewed Original ResearchConceptsOpioid use disorderChronic painMental health diagnosesService useUse disordersHealth AdministrationConcurrent opioid use disorderHealth diagnosisOngoing opioid epidemicOutpatient service useVeterans Health AdministrationMental health disordersSubstance use diagnosesSingle disorder groupsClinical service useOpioid prescriptionsAdditional comorbiditiesMultinomial regression analysisDisease burdenMedication fillsOpioid epidemicPrescription opiatesMedical conditionsMedical disordersUse diagnosesThreshold 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
Plasma Menthol Glucuronide as a Biomarker for the Behavioral Effects of Menthol and Nicotine in Humans
Gueorguieva R, Schwartz EKC, MacLean RR, DeVito EE, Eid T, Wu R, O’Malley S, Sofuoglu M. Plasma Menthol Glucuronide as a Biomarker for the Behavioral Effects of Menthol and Nicotine in Humans. Frontiers In Pharmacology 2022, 13: 844824. PMID: 35431934, PMCID: PMC9009207, DOI: 10.3389/fphar.2022.844824.Peer-Reviewed Original ResearchSubjective drug effectsPlasma Mg concentrationHeart rateDrug effectsIntravenous deliveryNon-menthol cigarette smokersPlacebo-controlled studyTest sessionsCigarette smokersMenthol smokersAcute effectsIntravenous nicotineGlucuronide concentrationsMAIN OUTCOMENicotine infusionMenthol glucuronideSecondary analysisPlasma MgE-cigarettesBehavioral effectsMenthol exposureNicotineSmokersPhysiological effectsE-liquidsImpact 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 designCocaine Use Disorder (CUD): Current Clinical Perspectives
Schwartz EKC, Wolkowicz NR, De Aquino JP, MacLean RR, Sofuoglu M. Cocaine Use Disorder (CUD): Current Clinical Perspectives. Substance Abuse And Rehabilitation 2022, 13: 25-46. PMID: 36093428, PMCID: PMC9451050, DOI: 10.2147/sar.s337338.Peer-Reviewed Original ResearchCocaine use disorderCo-occurring disordersUse disordersCommon co-occurring disordersCurrent clinical perspectivesSubstance use disordersCognitive behavioral therapyMedication treatmentPharmacological treatmentRisk factorsCurrent treatmentDevastating disorderLarger sample sizeTreatment planChronic effectsCocaine useBehavioral treatmentClinical perspectiveBehavioral interventionsDisordersTreatmentFuture studiesMost individualsIndividualsSample size
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 productsDoseThe Impact of Chronic Pain on Opioid Use Disorder Treatment Outcomes
MacLean R, Spinola S, Garcia-Vassallo G, Sofuoglu M. The Impact of Chronic Pain on Opioid Use Disorder Treatment Outcomes. Current Addiction Reports 2021, 8: 100-108. DOI: 10.1007/s40429-020-00352-6.Peer-Reviewed Original ResearchOpioid agonist treatmentChronic painOpioid use disorderOpioid Use Disorder Treatment OutcomesNonpharmacologic pain treatmentsIllicit opioid useDisorder treatment outcomesReviewChronic painOpioid usePain intensityPain treatmentAgonist treatmentOAT clinicsTreatment outcomesClinical carePainUse disordersDrug useRecent FindingsWeHigher likelihoodClinicOutcomesTreatmentMost studiesIntake
2018
Stimulants and Mood Disorders
MacLean R, Sofuoglu M. Stimulants and Mood Disorders. Current Addiction Reports 2018, 5: 323-329. DOI: 10.1007/s40429-018-0212-0.Peer-Reviewed Original ResearchStimulant use disorderMood disordersUse disordersSUD comorbidityClinical trialsComorbid substance use disorderRecent FindingsEpidemiological studiesCo-occurring mood disordersSubstance use disordersMethamphetamine use disorderMajority of trialsClinical outcomesPharmacological treatmentTreatment responseNeurobiological mechanismsDisordersMultiple studiesTrialsComorbiditiesPatientsDiagnosisMoodTreatmentPurposeToEpidemiology
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