2011
Baseline trajectories of heavy drinking and their effects on postrandomization drinking in the COMBINE Study: empirically derived predictors of drinking outcomes during treatment
Gueorguieva R, Wu R, Donovan D, Rounsaville BJ, Couper D, Krystal JH, O’Malley S. Baseline trajectories of heavy drinking and their effects on postrandomization drinking in the COMBINE Study: empirically derived predictors of drinking outcomes during treatment. Alcohol 2011, 46: 121-131. PMID: 21925828, PMCID: PMC3266454, DOI: 10.1016/j.alcohol.2011.08.008.Peer-Reviewed Original ResearchConceptsDaily heavy drinkersFrequent heavy drinkersHeavy drinkersHeavy drinkingDrinking outcomesAlcohol-dependent patientsBehavioral intervention studyHeavy drinking trajectoriesSummary drinking measuresBaseline characteristicsActive treatmentSevere baselineCombined PharmacotherapiesWorse outcomesPharmacological interventionsCOMBINE StudyIntervention studiesPatientsTreatment factorsDrinkersOutcomesTrajectory membershipDrinking measuresTreatment effectsDrinking
2010
Characterization of the Interactive Effects of Glycine and D-Cycloserine in Men: Further Evidence for Enhanced NMDA Receptor Function Associated with Human Alcohol Dependence
Krystal JH, Petrakis IL, Limoncelli D, Nappi SK, Trevisan L, Pittman B, D'Souza DC. Characterization of the Interactive Effects of Glycine and D-Cycloserine in Men: Further Evidence for Enhanced NMDA Receptor Function Associated with Human Alcohol Dependence. Neuropsychopharmacology 2010, 36: 701-710. PMID: 21124304, PMCID: PMC3055693, DOI: 10.1038/npp.2010.203.Peer-Reviewed Original ResearchConceptsNMDA receptor functionAlcohol-dependent patientsHuman alcohol dependenceAntagonist-like effectsReceptor functionReceptor antagonistDCS effectsD-cycloserineAlcohol-like effectsAlcohol dependenceNMDA glutamate receptor functionN-methyl-D-aspartate (NMDA) glutamate receptor antagonistStandard alcohol drinksGlutamate receptor antagonistsChronic alcohol consumptionDouble-blind conditionsNMDA receptor antagonistAlcohol-dependent menGlutamate receptor functionAlcohol-dependent animalsPlasma levelsGlycine administrationGlycine levelsNMDA receptorsCoagonist site
2007
Naltrexone Is Associated With Reduced Drinking by Alcohol Dependent Patients Receiving Antidepressants for Mood and Anxiety Symptoms: Results From VA Cooperative Study No. 425, “Naltrexone in the Treatment of Alcoholism”
Krystal JH, Gueorguieva R, Cramer J, Collins J, Rosenheck R, Team T. Naltrexone Is Associated With Reduced Drinking by Alcohol Dependent Patients Receiving Antidepressants for Mood and Anxiety Symptoms: Results From VA Cooperative Study No. 425, “Naltrexone in the Treatment of Alcoholism”. Alcohol Clinical And Experimental Research 2007, 32: 85-91. PMID: 18070245, DOI: 10.1111/j.1530-0277.2007.00555.x.Peer-Reviewed Original ResearchConceptsEfficacy of naltrexoneGroup of patientsAlcohol-dependent patientsAntidepressant medicationDependent patientsMood symptomsDrinking daysPrescription of antidepressantsAnxiety symptomsVA Medical CenterPercent drinking daysSevere mood symptomsTreatment of alcoholismStep Facilitation TherapyDrinking-related outcomesNaltrexone prescriptionStudy medicationSignificant mood symptomsStudy patientsAntidepressant treatmentStudy entryComorbid conditionsComorbid moodMedical CenterNaltrexoneEffect of Memantine on Cue-Induced Alcohol Craving in Recovering Alcohol-Dependent Patients
Krupitsky EM, Neznanova O, Masalov D, Burakov AM, Didenko T, Romanova T, Tsoy M, Bespalov A, Slavina TY, Grinenko AA, Petrakis IL, Pittman B, Gueorguieva R, Zvartau EE, Krystal JH. Effect of Memantine on Cue-Induced Alcohol Craving in Recovering Alcohol-Dependent Patients. American Journal Of Psychiatry 2007, 164: 519-523. PMID: 17329479, DOI: 10.1176/ajp.2007.164.3.519.Peer-Reviewed Original ResearchConceptsNMDA receptor antagonist memantineAlcohol cue-induced cravingEffects of memantineAspartic acid (NMDA) glutamate receptorsDose-related fashionDouble-blind conditionsNMDA receptor functionNMDA receptor antagonistAlcohol-dependent patientsAlcohol cuesCue-induced alcoholTreatment of alcoholismCue-induced cravingEthanol-like effectsReceptor antagonistAlcohol-dependent inpatientsGlutamate receptorsMemantineAlcohol cravingMotivational disturbancesRandomized orderReceptor functionBehavioral effectsSubjective effectsTest day
2003
Medication Compliance Feedback and Monitoring in a Clinical Trial: Predictors and Outcomes
Cramer J, Rosenheck R, Kirk G, Krol W, Krystal J, 425 F. Medication Compliance Feedback and Monitoring in a Clinical Trial: Predictors and Outcomes. Value In Health 2003, 6: 566-573. PMID: 14627063, DOI: 10.1046/j.1524-4733.2003.65269.x.Peer-Reviewed Original ResearchConceptsMedication complianceClinical trialsLong-term clinical trialsHigh medication complianceVA Cooperative StudyMonths of treatmentOverall compliance rateAlcohol-dependent patientsPredictors of complianceMedication event monitoringMeasures of complianceDaily naltrexonePlacebo groupMulticenter trialPoor complianceGood compliersTreatment groupsCompliance dataBetter outcomesDrinking daysNaltrexoneCompliance rateCooperative StudyDosesTrialsAltered NMDA Glutamate Receptor Antagonist Response in Recovering Ethanol-Dependent Patients
Krystal JH, Petrakis IL, Limoncelli D, Webb E, Gueorgueva R, D'Souza DC, Boutros NN, Trevisan L, Charney DS. Altered NMDA Glutamate Receptor Antagonist Response in Recovering Ethanol-Dependent Patients. Neuropsychopharmacology 2003, 28: 2020-2028. PMID: 12888778, DOI: 10.1038/sj.npp.1300252.Peer-Reviewed Original ResearchConceptsEthanol-dependent patientsNMDA receptor antagonistReceptor antagonistEthanol dependenceN-methyl-D-aspartate (NMDA) glutamate receptorsDouble-blind studySelective NMDA receptor antagonistNMDA receptor functionAlcohol-dependent patientsHealthy comparison subjectsTreatment of alcoholismHealthy comparison groupExecutive cognitive functionKetamine infusionKetamine 0.5NMDA receptorsGlutamate receptorsComparison subjectsPatientsAmnestic effectsRandomized orderReceptor functionCognitive functionAntagonist responseAntagonist
2001
Effect of Tryptophan Depletion on Alcohol Cue‐Induced Craving in Abstinent Alcoholic Patients
Petrakis I, Trevisan L, Boutros N, Limoncelli D, Cooney N, Krystal J. Effect of Tryptophan Depletion on Alcohol Cue‐Induced Craving in Abstinent Alcoholic Patients. Alcohol Clinical And Experimental Research 2001, 25: 1151-1155. PMID: 11505046, DOI: 10.1111/j.1530-0277.2001.tb02329.x.Peer-Reviewed Original ResearchConceptsCue-induced cravingAlcohol-dependent patientsTryptophan depletionAlcohol cue-induced cravingDouble-blind fashionPlasma free tryptophanAbstinent alcoholic patientsAmino acid drinkActive tryptophan depletionAlcoholic patientsSerotonin synthesisAcid drinkSober alcoholicsAlcoholic individualsPrecursor tryptophanCue exposurePatientsAlcohol useAbstinent alcoholic individualsCravingFree tryptophanAlcohol cuesTest dayGreater increaseSimilar drinks
1999
CSF Monoamine Metabolite and Beta Endorphin Levels in Recently Detoxified Alcoholics and Healthy Controls
Petrakis I, Trevisan L, D'Souza C, Gil R, Krasnicki S, Webb E, Heninger G, Cooney N, Krystal J. CSF Monoamine Metabolite and Beta Endorphin Levels in Recently Detoxified Alcoholics and Healthy Controls. Alcohol Clinical And Experimental Research 1999, 23: 1336. DOI: 10.1097/00000374-199908000-00007.Peer-Reviewed Original ResearchAlcohol-dependent patientsHealthy controlsEndorphin levelsCSF levelsMonoamine metabolitesCSF measuresHealthy subjectsNorepinephrine metabolite MHPGLower CSF levelsBeta-endorphin levelsEarly-onset patientsCerebrospinal fluid levelsLate-onset patientsCentral neurotransmitter systemsCSF monoamine metabolitesDopamine metabolite HVAAlcohol cue exposureAlcohol-dependent individualsAlcohol cue reactivityLumbar punctureBackground abnormalitiesMetabolite HVANeurotransmitter systemsMonoaminergic dysregulationMetabolite MHPGCSF Monoamine Metabolite and Beta Endorphin Levels in Recently Detoxified Alcoholics and Healthy Controls: Prediction of Alcohol Cue‐Induced Craving?
Petrakis I, Trevisan L, D'Souza C, Gil R, Krasnicki S, Webb E, Heninger G, Cooney N, Krystal J. CSF Monoamine Metabolite and Beta Endorphin Levels in Recently Detoxified Alcoholics and Healthy Controls: Prediction of Alcohol Cue‐Induced Craving? Alcohol Clinical And Experimental Research 1999, 23: 1336-1341. PMID: 10470976, DOI: 10.1111/j.1530-0277.1999.tb04355.x.Peer-Reviewed Original ResearchConceptsAlcohol-dependent patientsHealthy controlsEndorphin levelsCSF levelsMonoamine metabolitesCSF measuresHealthy subjectsNorepinephrine metabolite MHPGLower CSF levelsBeta-endorphin levelsEarly-onset patientsCerebrospinal fluid levelsLate-onset patientsCentral neurotransmitter systemsCSF monoamine metabolitesDopamine metabolite HVAAlcohol cue exposureAlcohol-dependent individualsCue-Induced CravingAlcohol cue reactivityLumbar punctureMetabolite HVANeurotransmitter systemsMonoaminergic dysregulationMetabolite MHPGPreliminary Evidence of Low Cortical GABA Levels in Localized 1H-MR Spectra of Alcohol-Dependent and Hepatic Encephalopathy Patients
Behar KL, Rothman DL, Petersen KF, Hooten M, Delaney R, Petroff OA, Shulman GI, Navarro V, Petrakis IL, Charney DS, Krystal JH. Preliminary Evidence of Low Cortical GABA Levels in Localized 1H-MR Spectra of Alcohol-Dependent and Hepatic Encephalopathy Patients. American Journal Of Psychiatry 1999, 156: 952-954. PMID: 10360140, DOI: 10.1176/ajp.156.6.952.Peer-Reviewed Original ResearchConceptsHepatic encephalopathy patientsEncephalopathy patientsGamma-aminobutyric acidHealthy subjectsCortical GABA levelsGABA-ergic systemDetoxified alcohol-dependent patientsAlcohol-dependent patientsNeuroactive amino acidsCerebral cortexGABA levelsOccipital cortexPatientsMetabolite levelsPreliminary evidenceCortexSubjectsLevelsDisease