2018
Efficacy and safety of a fatty acid amide hydrolase inhibitor (PF-04457845) in the treatment of cannabis withdrawal and dependence in men: a double-blind, placebo-controlled, parallel group, phase 2a single-site randomised controlled trial
D'Souza DC, Cortes-Briones J, Creatura G, Bluez G, Thurnauer H, Deaso E, Bielen K, Surti T, Radhakrishnan R, Gupta A, Gupta S, Cahill J, Sherif MA, Makriyannis A, Morgan PT, Ranganathan M, Skosnik PD. Efficacy and safety of a fatty acid amide hydrolase inhibitor (PF-04457845) in the treatment of cannabis withdrawal and dependence in men: a double-blind, placebo-controlled, parallel group, phase 2a single-site randomised controlled trial. The Lancet Psychiatry 2018, 6: 35-45. PMID: 30528676, DOI: 10.1016/s2215-0366(18)30427-9.Peer-Reviewed Original ResearchConceptsPF-04457845Cannabis withdrawal symptomsFatty acid amide hydrolaseCannabis withdrawalPlacebo groupAdverse eventsCannabis useWithdrawal symptomsFatty acid amide hydrolase inhibitorSerious adverse eventsPhase 2a trialWeeks of treatmentTreatment of cannabisCannabis use disorderSelf-reported cannabis useDSM-IV criteriaTreatment-related differencesTHC-COOH concentrationsAnandamide concentrationsTreat populationPrimary endpointPill countHospital admissionNovel FAAH inhibitorsSelf-reported cannabis
2017
Computerized Cognitive Behavioral Therapy for Insomnia in a Community Health Setting.
Feuerstein S, Hodges SE, Keenaghan B, Bessette A, Forselius E, Morgan PT. Computerized Cognitive Behavioral Therapy for Insomnia in a Community Health Setting. Journal Of Clinical Sleep Medicine 2017, 13: 267-274. PMID: 27784409, PMCID: PMC5263082, DOI: 10.5664/jcsm.6460.Peer-Reviewed Original ResearchConceptsPittsburgh Sleep Quality IndexCo-occurring mental illnessCognitive behavioral therapyMental illnessBehavioral therapyI groupCommunity mental health centerCommunity health settingsMore psychotropic medicationsSleep Quality IndexComputerized cognitive behavioral therapyMental health care treatmentMental health centersWeekly outpatient sessionsLow socioeconomic statusHealth care treatmentPSQI scoresPsychotropic medicationsCare treatmentActive control groupHealth centersInsomnia treatmentOutpatient sessionsRisk demographicsWeek 6
2016
Sleep Perception and Misperception in Chronic Cocaine Users During Abstinence
Hodges SE, Pittman B, Morgan PT. Sleep Perception and Misperception in Chronic Cocaine Users During Abstinence. Sleep 2016, 40: zsw069. PMID: 28364419, PMCID: PMC5806585, DOI: 10.1093/sleep/zsw069.Peer-Reviewed Original ResearchConceptsChronic cocaine usersSleep state misperceptionWeeks of abstinenceTotal sleep timeOccult insomniaCocaine usersState misperceptionSleep onsetSleep timeCocaine-dependent personsInpatient research facilitySleep latencyDiary questionnairesSleep perceptionPolysomnographic sleep recordingsDiary measurementsAbstinenceTreatment studiesFinal awakeningMisperceptionsNight 3Objective worseningParticipantsInsomniaSleep recordingsModafinil and sleep architecture in an inpatient–outpatient treatment study of cocaine dependence
Morgan PT, Angarita GA, Canavan S, Pittman B, Oberleitner L, Malison RT, Mohsenin V, Hodges S, Easton C, McKee S, Bessette A, Forselius E. Modafinil and sleep architecture in an inpatient–outpatient treatment study of cocaine dependence. Drug And Alcohol Dependence 2016, 160: 49-56. PMID: 26777774, PMCID: PMC4767553, DOI: 10.1016/j.drugalcdep.2015.12.004.Peer-Reviewed Original ResearchConceptsUrine toxicology screenModafinil treatmentSlow-wave sleepClinical outcomesOutpatient treatmentToxicology screenUrine screensInpatient settingInpatient treatmentSleep timeCocaine dependencePrimary clinical outcomeWeekly cognitive behavioral therapyCocaine usersImproved clinical outcomesPolysomnographic sleep recordingsChronic cocaine useChronic cocaine usersHigh rateCognitive behavioral therapyCocaine-dependent participantsSleep architectureOutpatient phaseEffective treatmentDays abstinent
2015
Association of Cigarette Smoking With Interpersonal and Self-Directed Violence in a Large Community-Based Sample
Lewis AS, Oberleitner LM, Morgan PT, Picciotto MR, McKee SA. Association of Cigarette Smoking With Interpersonal and Self-Directed Violence in a Large Community-Based Sample. Nicotine & Tobacco Research 2015, 18: 1456-1462. PMID: 26718905, PMCID: PMC5942535, DOI: 10.1093/ntr/ntv287.Peer-Reviewed Original ResearchConceptsCigarette smoking statusSmoking statusCigarette smokingSelf-directed violenceRisk factorsDaily smokersViolence risk assessmentWave 1Substance useFormer cigarette smokersFormer daily smokersDaily cigarette smokingMajor risk factorNational Epidemiological SurveyCommunity-based sampleLogistic regression modelsRelevant demographic covariatesViolence risk factorsCessation strategiesCigarette smokersPsychiatric diagnosisEpidemiological surveySmokersSmokingAdult subjectsPsychosocial and metabolic function by smoking status in individuals with binge eating disorder and obesity
Udo T, White MA, Barnes RD, Ivezaj V, Morgan P, Masheb RM, Grilo CM. Psychosocial and metabolic function by smoking status in individuals with binge eating disorder and obesity. Addictive Behaviors 2015, 53: 46-52. PMID: 26451703, PMCID: PMC4679522, DOI: 10.1016/j.addbeh.2015.09.018.Peer-Reviewed Original ResearchConceptsTreatment-seeking adultsTreatment-seeking patientsSubstance use disordersDisorder psychopathologyCurrent smokersFormer smokersPsychosocial functioningComorbid psychiatric disordersSmoking statusLifetime psychiatric comorbidityUse disordersLifetime diagnostic criteriaPotential long-term implicationsFunctioningBingePsychiatric comorbidityMeeting criteriaPsychiatric disordersMetabolic functionsMetabolic functioningMetabolic riskMetabolic syndromeMetabolic abnormalitiesSmoking cessationSmokers
2014
Correlates of polysomnographic sleep changes in cocaine dependence: Self-administration and clinical outcomes
Angarita GA, Canavan SV, Forselius E, Bessette A, Morgan PT. Correlates of polysomnographic sleep changes in cocaine dependence: Self-administration and clinical outcomes. Drug And Alcohol Dependence 2014, 143: 173-180. PMID: 25124303, PMCID: PMC4207081, DOI: 10.1016/j.drugalcdep.2014.07.025.Peer-Reviewed Original ResearchConceptsClinical outcomesWithdrawal symptomsNegative urineAmount of cocaineCocaine dependenceInpatient stayDays abstinentRapid eye movement (REM) sleepWeekly cognitive behavioral therapyCocaine self-administration studiesRandomized clinical trialsAbnormal sleep architectureEye movement sleepCocaine self-administration sessionsTotal sleep timeSlow-wave sleepChronic cocaine useSelf-administration sessionsSelf-administration studiesCognitive behavioral therapyRelevance of sleepPlacebo armSelf-reported useMovement sleepOutpatient treatment
2013
Abstinence-related changes in sleep during treatment for cocaine dependence
Angarita GA, Canavan SV, Forselius E, Bessette A, Pittman B, Morgan PT. Abstinence-related changes in sleep during treatment for cocaine dependence. Drug And Alcohol Dependence 2013, 134: 343-347. PMID: 24315572, PMCID: PMC4396819, DOI: 10.1016/j.drugalcdep.2013.11.007.Peer-Reviewed Original ResearchConceptsTotal sleep timeExtended abstinenceOutpatient cognitive behavioral therapyAbstinence-related changesDecreased slow wave sleepInpatient substance abuse treatmentCognitive behavioral therapySleep timeCocaine usersPolysomnographic sleepChronic cocaine usersCocaine-dependent participantsSubstance abuse treatmentThrice weekly urine toxicologyBehavioral therapyWeeks of abstinenceOverall sleep qualityAbuse treatmentDays abstinentDependent participantsREM sleep latencySleep qualityCocaine dependenceSlow-wave sleepAbstinenceMethylphenidate remediates error-preceding activation of the default mode brain regions in cocaine-addicted individuals
Matuskey D, Luo X, Zhang S, Morgan PT, Abdelghany O, Malison RT, Li CS. Methylphenidate remediates error-preceding activation of the default mode brain regions in cocaine-addicted individuals. Psychiatry Research 2013, 214: 116-121. PMID: 23973363, PMCID: PMC3811038, DOI: 10.1016/j.pscychresns.2013.06.009.Peer-Reviewed Original ResearchMeSH KeywordsAdultCentral Nervous System StimulantsCerebral CortexCocaine-Related DisordersCognition DisordersFemaleHumansImage Processing, Computer-AssistedInhibition, PsychologicalMagnetic Resonance ImagingMaleMethylphenidateMiddle AgedModels, NeurologicalNeural PathwaysNeuropsychological TestsOxygenPhotic StimulationReaction TimeConceptsFunctional magnetic resonance imagingStop-signal taskCD individualsCerebral activationPrecuneus/posterior cingulate cortexSystolic blood pressureInfluence of methylphenidateEffects of methylphenidateMagnetic resonance imagingPosterior cingulate cortexBrain imaging studiesCocaine-addicted individualsDefault mode networkAgonist therapyBlood pressureIntravenous methylphenidateCortico-striatoHealthy controlsCocaine-dependent individualsThalamic activationCingulate cortexResonance imagingBrain regionsMethylphenidateCocaine dependenceThe effects of exogenous progesterone on drug craving and stress arousal in cocaine dependence: Impact of gender and cue type
Fox HC, Sofuoglu M, Morgan PT, Tuit KL, Sinha R. The effects of exogenous progesterone on drug craving and stress arousal in cocaine dependence: Impact of gender and cue type. Psychoneuroendocrinology 2013, 38: 1532-1544. PMID: 23374328, PMCID: PMC3772967, DOI: 10.1016/j.psyneuen.2012.12.022.Peer-Reviewed Original ResearchMeSH KeywordsAdrenocorticotropic HormoneAdultAffectAlcohol DrinkingAnxietyArousalBlood PressureCocaine-Related DisordersComorbidityCuesDepressionDouble-Blind MethodEmotionsEstradiolFemaleHeart RateHumansHydrocortisoneHypothalamo-Hypophyseal SystemImagery, PsychotherapyMaleMiddle AgedPituitary-Adrenal SystemProgesteroneRelaxation TherapySex CharacteristicsSmokingStress, PsychologicalStroop TestConceptsDrug cravingCocaine-dependent menCognitive performanceStress arousalTreatment-seeking cocaine dependent individualsCue-induced cravingCocaine-dependent individualsCue typesStroop performanceSubjective cravingCognitive measuresImagery conditionNegative emotionsCue exposureInhibitory controlRelaxed moodDependent individualsDependent menArousal stateCravingArousalCounterbalanced orderStress exposureRewarding effectsCocaine dependenceRelationship of resting brain hyperconnectivity and schizophrenia-like symptoms produced by the NMDA receptor antagonist ketamine in humans
Driesen NR, McCarthy G, Bhagwagar Z, Bloch M, Calhoun V, D'Souza DC, Gueorguieva R, He G, Ramachandran R, Suckow RF, Anticevic A, Morgan PT, Krystal JH. Relationship of resting brain hyperconnectivity and schizophrenia-like symptoms produced by the NMDA receptor antagonist ketamine in humans. Molecular Psychiatry 2013, 18: 1199-1204. PMID: 23337947, PMCID: PMC3646075, DOI: 10.1038/mp.2012.194.Peer-Reviewed Original ResearchConceptsFunctional connectivityNegative symptomsGamma-aminobutyric acid (GABA) neuronsNMDA receptor antagonist ketamineAspartate glutamate receptor antagonistContinuous ketamine infusionGlutamate receptor antagonistsNMDA-R antagonistsCortical functional connectivityNMDA-R antagonist ketamineSchizophrenia-like symptomsHealthy human subjectsNegative Syndrome ScaleBrain functional connectivityPrimary samplesRegion-specific mannerFunctional magnetic resonanceKetamine infusionReceptor antagonistPathological increaseSyndrome ScaleSymptomsPreclinical researchKetamineBrain oscillations
2012
A single-day paradigm of self-regulated human cocaine administration
Matuskey D, Pittman B, Chen JI, Wanyiri J, Nadim H, Jatlow P, Gueorguieva R, Potenza MN, Morgan PT, Bhagwagar Z, Malison RT. A single-day paradigm of self-regulated human cocaine administration. Pharmacology Biochemistry And Behavior 2012, 103: 95-101. PMID: 22922558, PMCID: PMC3652339, DOI: 10.1016/j.pbb.2012.08.009.Peer-Reviewed Original ResearchCortical GABA Levels in Primary Insomnia
Morgan PT, Pace-Schott EF, Mason GF, Forselius E, Fasula M, Valentine GW, Sanacora G. Cortical GABA Levels in Primary Insomnia. Sleep 2012, 35: 807-814. PMID: 22654200, PMCID: PMC3353043, DOI: 10.5665/sleep.1880.Peer-Reviewed Original ResearchConceptsGABA levelsSleep complaintsPrimary insomniaSleep onsetCortical GABA levelsGABA/creatine ratiosOccipital GABA levelsPolysomnographic sleep measuresBrain GABA levelsBody mass indexMain outcome measuresUniversity research clinicPrimary insomnia groupAllostatic responseProton magnetic resonance spectroscopyMaintenance of sleepGABA contentUse of cigarettesUse of caffeineMass indexOutpatient studyCreatine ratioOutcome measuresResearch clinicTwo-group comparison studyNight eating in obese treatment‐seeking hispanic patients with and without binge eating disorder
Grilo CM, Milsom VA, Morgan PT, White MA. Night eating in obese treatment‐seeking hispanic patients with and without binge eating disorder. International Journal Of Eating Disorders 2012, 45: 787-791. PMID: 22407481, PMCID: PMC3378792, DOI: 10.1002/eat.22011.Peer-Reviewed Original ResearchConceptsEating-disorder psychopathologyHispanic patientsMetabolic variablesBed statusNon-NE groupNon-NE patientsFrequency of nightConsecutive seriesPatientsHispanic menSpanish-language versionDepression levelsDisorder psychopathologyMonolingual SpanishGroup differencesPsychopathologyDepressionGreater frequencyDisordersGuanfacine effects on stress, drug craving and prefrontal activation in cocaine dependent individuals: preliminary findings
Fox HC, Seo D, Tuit K, Hansen J, Kimmerling A, Morgan PT, Sinha R. Guanfacine effects on stress, drug craving and prefrontal activation in cocaine dependent individuals: preliminary findings. Journal Of Psychopharmacology 2012, 26: 958-972. PMID: 22234929, PMCID: PMC3694403, DOI: 10.1177/0269881111430746.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic alpha-2 Receptor AgonistsAdultCocaine-Related DisordersCombined Modality TherapyConnecticutDiagnostic and Statistical Manual of Mental DisordersDose-Response Relationship, DrugDouble-Blind MethodFemaleGuanfacineHumansImagery, PsychotherapyMagnetic Resonance ImagingMaleMiddle AgedNeuronsPilot ProjectsPrefrontal CortexStress, PsychologicalSubstance Withdrawal SyndromeConceptsCocaine-dependent individualsPrefrontal activityDrug cravingFunctional magnetic resonance imaging sessionDrug cue-induced cravingTreatment-seeking cocaine dependent individualsCue-induced drug cravingDependent individualsMagnetic resonance imaging sessionLateral prefrontal activityCue-induced cravingDrug cue exposureGuanfacine's effectsDrug cuesSubjective cravingImagery conditionPrefrontal activationCue exposurePhysiological arousalCognitive challengesBrain responsesAgonist guanfacineNicotine cravingGuanfacine groupCraving
2011
An examination of the food addiction construct in obese patients with binge eating disorder
Gearhardt AN, White MA, Masheb RM, Morgan PT, Crosby RD, Grilo CM. An examination of the food addiction construct in obese patients with binge eating disorder. International Journal Of Eating Disorders 2011, 45: 657-663. PMID: 22684991, PMCID: PMC3375872, DOI: 10.1002/eat.20957.Peer-Reviewed Original ResearchConceptsYale Food Addiction ScaleDisorder psychopathologyFood addictionBED patientsConfirmatory factor analysisFood addiction constructEmotion dysregulationNegative affectOne-factor solutionYFAS scoresAssociated psychopathologyAddiction constructPsychopathologyPsychometric propertiesAddiction ScaleBingeInternalized weight bias in obese patients with binge eating disorder: Associations with eating disturbances and psychological functioning
Durso LE, Latner JD, White MA, Masheb RM, Blomquist KK, Morgan PT, Grilo CM. Internalized weight bias in obese patients with binge eating disorder: Associations with eating disturbances and psychological functioning. International Journal Of Eating Disorders 2011, 45: 423-427. PMID: 21717488, PMCID: PMC3184343, DOI: 10.1002/eat.20933.Peer-Reviewed Original ResearchConceptsTreatment-seeking obese patientsDisorder psychopathologyWeight biasFat phobiaInternalized weight biasSignificant independent contributionPsychological functioningExamination interviewCommunity sampleBED patientsPhobiaPsychopathologyWidespread biasIndependent contributionBingeDepressionIWBBiasDisordersHigh levelsObese personsFunctioningScoresVarianceCorrelatesExploring weight gain in year before treatment for binge eating disorder: A different context for interpreting limited weight losses in treatment studies
Blomquist KK, Barnes RD, White MA, Masheb RM, Morgan PT, Grilo CM. Exploring weight gain in year before treatment for binge eating disorder: A different context for interpreting limited weight losses in treatment studies. International Journal Of Eating Disorders 2011, 44: 435-439. PMID: 20635382, PMCID: PMC3010436, DOI: 10.1002/eat.20836.Peer-Reviewed Original Research
2010
A multistudy analysis of the effects of early cocaine abstinence on sleep
Matuskey D, Pittman B, Forselius E, Malison RT, Morgan PT. A multistudy analysis of the effects of early cocaine abstinence on sleep. Drug And Alcohol Dependence 2010, 115: 62-66. PMID: 21144676, PMCID: PMC3081928, DOI: 10.1016/j.drugalcdep.2010.10.015.Peer-Reviewed Original ResearchNormalizing Effects of Modafinil on Sleep in Chronic Cocaine Users
Morgan PT, Pace-Schott E, Pittman B, Stickgold R, Malison RT. Normalizing Effects of Modafinil on Sleep in Chronic Cocaine Users. American Journal Of Psychiatry 2010, 167: 331-340. PMID: 20080983, PMCID: PMC5857958, DOI: 10.1176/appi.ajp.2009.09050613.Peer-Reviewed Original ResearchMeSH KeywordsAdultBenzhydryl CompoundsCentral Nervous System StimulantsCocaineCocaine-Related DisordersDose-Response Relationship, DrugDouble-Blind MethodDrug Administration ScheduleHumansMaleMiddle AgedModafinilPolysomnographySleep Wake DisordersSubstance Abuse Treatment CentersSubstance Withdrawal SyndromeWakefulnessConceptsMultiple sleep latency testSlow-wave sleep timeSleep latency testEffects of modafinilTotal sleep timeSleep latencyCocaine-dependent participantsSleep timeChronic cocaine usersDaytime sleepinessLatency testCocaine usersShorter REM sleep latencyDaytime sleep latencyLonger total sleep timeREM sleep latencySubjective daytime sleepinessSleep architecture variablesPolysomnographic sleep recordingsSleep architectureNocturnal sleepHealthy comparison participantsAbstinent cocaine usersDay 1Day 2