2023
Delta‐9‐tetrahydrocannabinol modulates pain sensitivity among persons receiving opioid agonist therapy for opioid use disorder: A within‐subject, randomized, placebo‐controlled laboratory study
De Aquino J, Meyerovich J, Xie C, Ranganathan M, Compton P, Pittman B, Rogan M, Sofuoglu M. Delta‐9‐tetrahydrocannabinol modulates pain sensitivity among persons receiving opioid agonist therapy for opioid use disorder: A within‐subject, randomized, placebo‐controlled laboratory study. Addiction Biology 2023, 28: e13317. PMID: 37644897, PMCID: PMC10468603, DOI: 10.1111/adb.13317.Peer-Reviewed Original ResearchConceptsOpioid use disorderOpioid agonist therapyAgonist therapyMethadone dosesMethadone therapyPain sensitivityUse disordersPlacebo-controlled laboratory studySynergistic antinociceptive effectCognitive adverse effectsSingle oral dosesRisk-benefit profilePain sensitivity measuresCannabinoid receptor systemAntinociceptive effectTHC doseOral dosesOpioid agonistsAcute effectsCannabinoid agonistsPreclinical studiesAbuse potentialOpioid crisisTherapyReceptor systemThreshold 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
Alleviation of opioid withdrawal by cannabis and delta-9-tetrahydrocannabinol: A systematic review of observational and experimental human studies
De Aquino J, Bahji A, Gómez O, Sofuoglu M. Alleviation of opioid withdrawal by cannabis and delta-9-tetrahydrocannabinol: A systematic review of observational and experimental human studies. Drug And Alcohol Dependence 2022, 241: 109702. PMID: 36434879, PMCID: PMC9772106, DOI: 10.1016/j.drugalcdep.2022.109702.Peer-Reviewed Original ResearchConceptsOpioid withdrawalObservational studySystematic reviewDelta-9-tetrahydrocannabinol administrationPlacebo-controlled clinical trialCannabis useNon-opioid therapeuticsPotential of cannabinoidsDose of opioidsOpioid withdrawal symptomsOpioid use disorderNarrow therapeutic windowExperimental human studiesDose-dependent increaseMain psychoactive constituentPatient characteristicsWithdrawal symptomsClinical trialsPharmacological factorsStudy qualityTherapeutic windowTherapeutic benefitUse disordersHuman studiesAbuse liabilityEffect of progesterone administration in male and female smokers on nicotine withdrawal and neural response to smoking cues: role of progesterone conversion to allopregnanolone
Novick AM, Duffy KA, Johnson RL, Sammel MD, Cao W, Strasser AA, Sofuoglu M, Kuzma A, Loughead J, Morrow AL, Epperson CN. Effect of progesterone administration in male and female smokers on nicotine withdrawal and neural response to smoking cues: role of progesterone conversion to allopregnanolone. Biology Of Sex Differences 2022, 13: 60. PMID: 36274158, PMCID: PMC9590190, DOI: 10.1186/s13293-022-00472-w.Peer-Reviewed Original ResearchConceptsTobacco use disorderProgesterone ratioConversion of progesteroneNicotine withdrawalSmoking cuesTherapeutic effectPlacebo-controlled crossover studySmoking-related outcomesNeural responsesSex-dependent effectsGreater therapeutic benefitDays of abstinenceCrossover studyFemale smokersProgesterone administrationNeurosteroid allopregnanoloneWithdrawal symptomsNicotine effectsWithdrawal severityAllopregnanoloneTherapeutic benefitUse disordersSmoking urgesProgesteroneProgesterone conversionProgesterone 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
Opioid-induced analgesia among persons with opioid use disorder receiving methadone or buprenorphine: A systematic review of experimental pain studies
De Aquino JP, Parida S, Avila-Quintero VJ, Flores J, Compton P, Hickey T, Gómez O, Sofuoglu M. Opioid-induced analgesia among persons with opioid use disorder receiving methadone or buprenorphine: A systematic review of experimental pain studies. Drug And Alcohol Dependence 2021, 228: 109097. PMID: 34601272, PMCID: PMC8595687, DOI: 10.1016/j.drugalcdep.2021.109097.Peer-Reviewed Original ResearchConceptsOpioid agonist therapyOpioid use disorderExperimental pain studiesAbuse potentialRespiratory depressionAcute painPain studiesUse disordersSystematic reviewGreater abuse potentialHigh-potency opioidsMethadone-maintained personsSignificant pain reliefRespiratory depressant effectsHigh-potency compoundsOpioid naïveAgonist therapyOpioid dosesPain reliefAnalgesic effectSevere painDepressant effectAdditional dosesStudy qualityHealthy personsThreshold 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
Randomized placebo-controlled trial of galantamine in individuals with cocaine use disorder
DeVito EE, Carroll KM, Babuscio T, Nich C, Sofuoglu M. Randomized placebo-controlled trial of galantamine in individuals with cocaine use disorder. Journal Of Substance Use And Addiction Treatment 2019, 107: 29-37. PMID: 31757262, PMCID: PMC6918721, DOI: 10.1016/j.jsat.2019.08.009.Peer-Reviewed Original ResearchConceptsCocaine use disorderSignificant treatment group differencesUse disordersEfficacy of galantamineTreatment-seeking cocaine usersCurrent cocaine use disordersGroup differencesCocaine use outcomesSample of individualsTreatment group differencesComorbid opioid use disorderMethadone-maintained individualsMemory capacityAbstinent individualsCocaine useCognitive improvementCognitive outcomesCocaine use reductionCognitive functionUse outcomesCocaine usersGalantamine groupIndividualsDisordersInitial promiseDouble‐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
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 responsesThe 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
2001
Depressive symptoms modulate the subjective and physiological response to cocaine in humans
Sofuoglu M, Brown S, Babb D, Hatsukami D. Depressive symptoms modulate the subjective and physiological response to cocaine in humans. Drug And Alcohol Dependence 2001, 63: 131-137. PMID: 11376917, DOI: 10.1016/s0376-8716(00)00199-x.Peer-Reviewed Original ResearchConceptsDepressive symptomsCocaine responseBeck Depression Inventory scoresHigher BDI groupLower BDI scoresDepression Inventory scoresSubclinical depressive symptomsBody weight differencesInpatient studyMajor depressionBDI scoresCocaine use behaviorBDI groupInventory scoresSymptomsCocaineCocaine usersPhysiological responsesGroup differencesEnhanced responseSubjective responsesWeight differencesScoresUse behaviorsResponseProgesterone 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
Characteristics of research volunteers for inpatient cocaine studies Focus on selection bias
Sofuoglu M, Dudish-Poulsen S, Nicodemus K, Babb D, Hatsukami D. Characteristics of research volunteers for inpatient cocaine studies Focus on selection bias. Addictive Behaviors 2000, 25: 785-790. PMID: 11023020, DOI: 10.1016/s0306-4603(00)00064-2.Peer-Reviewed Original ResearchCarvedilol affects the physiological and behavioral response to smoked cocaine in humans
Sofuoglu M, Brown S, Babb D, Pentel P, Hatsukami D. Carvedilol affects the physiological and behavioral response to smoked cocaine in humans. Drug And Alcohol Dependence 2000, 60: 69-76. PMID: 10821991, DOI: 10.1016/s0376-8716(00)80009-5.Peer-Reviewed Original ResearchConceptsAcute treatmentPlacebo-controlled outpatient studyPhysiological effectsEffects of carvedilolDiastolic blood pressureCocaine-induced increasesNumber of cocaineCarvedilol treatmentBlood pressureOral carvedilolOutpatient studyNoradrenergic systemAdrenergic blockersCrack cocaine usersHeart rateCarvedilolBehavioral responsesCocaineCocaine usersCocaine deliveryTreatmentSubjective responsesTreatment conditionsResponseHumansEffects 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 sessionsIndividual Differences in the Subjective Response to Smoked Cocaine in Humans
Sofuoglu M, Brown S, Dudish-Poulsen S, Hatsukami D. Individual Differences in the Subjective Response to Smoked Cocaine in Humans. The American Journal Of Drug And Alcohol Abuse 2000, 26: 591-602. PMID: 11097194, DOI: 10.1081/ada-100101897.Peer-Reviewed Original ResearchConceptsHeart rateBaseline Beck Depression Inventory scoresSubjective responsesBeck Depression Inventory scoresDiastolic blood pressureCocaine deliveryEffects of cocaineDepression Inventory scoresCocaine-dependent participantsBlood pressureMale sexCocaine use behaviorBody weightCocaine useSmoked CocaineAlcohol useInventory scoresCocaineCocaine usersPredictors of cardiovascular response to smoked cocaine in humans
Sofuoglu M, Nelson D, Dudish-Poulsen S, Lexau B, Pentel P, Hatsukami D. Predictors of cardiovascular response to smoked cocaine in humans. Drug And Alcohol Dependence 2000, 57: 239-245. PMID: 10661674, DOI: 10.1016/s0376-8716(99)00055-1.Peer-Reviewed Original ResearchConceptsCardiovascular responsesHeart rateHigher baseline blood pressureLong-term cocaine useCocaine useDiminished cardiovascular responseBaseline blood pressureBlood pressure changesAfrican American raceGreater cardiovascular responseCurrent cocaine useHigher body weightCardiovascular complicationsCurrent marijuana useBlood pressureMale sexCocaine administrationCurrent cocaineAmerican raceBody weightCocaineCocaine usersMarijuana usePredictorsPressure changes