2023
Candidate biomarkers in psychiatric disorders: state of the field
Abi-Dargham A, Moeller S, Ali F, DeLorenzo C, Domschke K, Horga G, Jutla A, Kotov R, Paulus M, Rubio J, Sanacora G, Veenstra-VanderWeele J, Krystal J. Candidate biomarkers in psychiatric disorders: state of the field. World Psychiatry 2023, 22: 236-262. PMID: 37159365, PMCID: PMC10168176, DOI: 10.1002/wps.21078.Peer-Reviewed Original ResearchError-related negativityAutism spectrum disorderAnxiety disordersSpectrum disorderFunctional magnetic resonance imaging (fMRI) measuresEvent-related brain potentialsPost-traumatic stress disorderSocial anxiety disorderTreatment responseCandidate biomarkersGeneralized anxiety disorderResting-state functional magnetic resonance imaging (rsfMRI) measuresDefinitive testingBrain potentialsNeuroscience literatureElectrophysiological indicesStress disorderMagnetic resonance imaging (MRI) measuresNaturalistic settingConnectomic measuresNumerous candidate biomarkersPresence of illnessMobile health toolsIndividual levelBiomarker validation process
2021
Design of the national adaptive trial for PTSD-related insomnia (NAP study), VA cooperative study program (CSP) #2016
Krystal JH, Chow B, Vessicchio J, Henrie AM, Neylan TC, Krystal AD, Marx BP, Xu K, Jindal RD, Davis LL, Schnurr PP, Stein MB, Thase ME, Ventura B, Huang GD, Shih MC, Team T. Design of the national adaptive trial for PTSD-related insomnia (NAP study), VA cooperative study program (CSP) #2016. Contemporary Clinical Trials 2021, 109: 106540. PMID: 34416369, DOI: 10.1016/j.cct.2021.106540.Peer-Reviewed Original ResearchConceptsCooperative Studies ProgramInsomnia medicationsMedical CenterRandomized placebo-controlled clinical trialPlacebo-controlled clinical trialVeterans Affairs Medical CenterVA Cooperative Studies ProgramPrimary outcome measureVA Medical CenterInsomnia Severity IndexAdaptive trialsPosttraumatic stress disorderFuture biomarker developmentStudy armsBiochemical predictorsEffective pharmacotherapyClinical trialsOutcome measuresTreatment responseInterim analysisRecruitment targetInsomniaPhone contactStress disorderBiomarker development
2020
Systematic review and meta‐analysis of the moderating effect of rs1799971 in OPRM1, the mu‐opioid receptor gene, on response to naltrexone treatment of alcohol use disorder
Hartwell EE, Feinn R, Morris PE, Gelernter J, Krystal J, Arias AJ, Hoffman M, Petrakis I, Gueorguieva R, Schacht JP, Oslin D, Anton RF, Kranzler HR. Systematic review and meta‐analysis of the moderating effect of rs1799971 in OPRM1, the mu‐opioid receptor gene, on response to naltrexone treatment of alcohol use disorder. Addiction 2020, 115: 1426-1437. PMID: 31961981, PMCID: PMC7340566, DOI: 10.1111/add.14975.Peer-Reviewed Original ResearchConceptsAsn40Asp single-nucleotide polymorphismRandomized clinical trialsAlcohol use disorderNaltrexone treatmentMu-opioid receptor geneUse disordersSingle nucleotide polymorphismsPlacebo-controlled randomized clinical trialsSystematic reviewPublication biasOpioid receptor antagonist naltrexoneWide inter-individual variabilityHeavy drinkingRisk of biasNaltrexone treatment responseReceptor geneRandom-effects modelAlcohol consumption outcomesAntagonist naltrexoneInter-individual variabilityStudy criteriaClinical trialsNucleotide polymorphismsTreatment responseMinor allele
2016
RANDOMIZED TRIAL OF D‐CYCLOSERINE ENHANCEMENT OF COGNITIVE‐BEHAVIORAL THERAPY FOR PANIC DISORDER
Otto MW, Pollack MH, Dowd SM, Hofmann SG, Pearlson G, Szuhany KL, Gueorguieva R, Krystal JH, Simon NM, Tolin DF. RANDOMIZED TRIAL OF D‐CYCLOSERINE ENHANCEMENT OF COGNITIVE‐BEHAVIORAL THERAPY FOR PANIC DISORDER. Depression And Anxiety 2016, 33: 737-745. PMID: 27315514, PMCID: PMC5958622, DOI: 10.1002/da.22531.Peer-Reviewed Original ResearchConceptsCognitive behavioral therapyBenzodiazepine usePanic disorderDCS augmentationMulticenter trialD-cycloserineRecent multicenter trialPanic Disorder Severity ScaleExposure-based cognitive-behavioral therapySessions of treatmentStudy pillsPrimary outcomeRandomized trialsBaseline severityPrimary diagnosisAugmentation effectTreatment responseTreatment endpointBooster sessionsSeverity ScaleRole of severityBehavioral therapyDCS efficacyBeneficial effectsPilot studyKETAMINE'S MECHANISM OF ACTION: A PATH TO RAPID‐ACTING ANTIDEPRESSANTS
Abdallah CG, Adams TG, Kelmendi B, Esterlis I, Sanacora G, Krystal JH. KETAMINE'S MECHANISM OF ACTION: A PATH TO RAPID‐ACTING ANTIDEPRESSANTS. Depression And Anxiety 2016, 33: 689-697. PMID: 27062302, PMCID: PMC4961540, DOI: 10.1002/da.22501.Peer-Reviewed Original ResearchConceptsMajor depressive disorderAntidepressant effectsKetamine's mechanismN-methyl-D-aspartate receptor antagonistRapid-acting antidepressant effectsPrefrontal cortexSingle subanesthetic doseRapid antidepressant effectsTreatment-resistant depressionFull therapeutic effectEfficacy of ketamineKetamine's antidepressant effectsRapid acting antidepressantsFuture clinical prospectsGlutamate surgeTraditional antidepressantsAntidepressant medicationCascade of eventsReceptor antagonistSubanesthetic doseDepressive disorderClinical dataTherapeutic effectTreatment responseLimited efficacy
2013
Temporal patterns of adherence to medications and behavioral treatment and their relationship to patient characteristics and treatment response
Gueorguieva R, Wu R, Krystal JH, Donovan D, O'Malley SS. Temporal patterns of adherence to medications and behavioral treatment and their relationship to patient characteristics and treatment response. Addictive Behaviors 2013, 38: 2119-2127. PMID: 23435273, PMCID: PMC3595348, DOI: 10.1016/j.addbeh.2013.01.024.Peer-Reviewed Original ResearchConceptsPercent heavy drinking daysAdherence trajectoriesExcellent adherersPercent days abstinentPatient characteristicsMedication adherenceTreatment outcomesMedication adherence trajectoriesPatterns of treatmentHeavy drinking daysPatterns of adherenceExcellent medication adherenceLack of benefitTrajectories of adherenceIntervention main effectsActive medicationAdverse eventsPharmacologic treatmentHigher percent days abstinentTreatment adherenceTreatment modalitiesWorse outcomesTreatment responseDays abstinentDrinking days
2011
Trajectories of Depression Severity in Clinical Trials of Duloxetine: Insights Into Antidepressant and Placebo Responses
Gueorguieva R, Mallinckrodt C, Krystal JH. Trajectories of Depression Severity in Clinical Trials of Duloxetine: Insights Into Antidepressant and Placebo Responses. JAMA Psychiatry 2011, 68: 1227-1237. PMID: 22147842, PMCID: PMC3339151, DOI: 10.1001/archgenpsychiatry.2011.132.Peer-Reviewed Original ResearchMeSH KeywordsAdultAntidepressive AgentsData Interpretation, StatisticalDepressive Disorder, MajorDouble-Blind MethodDuloxetine HydrochlorideFemaleHumansLinear ModelsMalePatient DropoutsPlacebo EffectPsychiatric Status Rating ScalesRandomized Controlled Trials as TopicSelective Serotonin Reuptake InhibitorsSeverity of Illness IndexThiophenesTreatment OutcomeConceptsSelective serotonin reuptake inhibitorsPlacebo-treated patientsComparator selective serotonin reuptake inhibitorsHAM-D scoresClinical trialsAntidepressant treatmentPlacebo responseMajor depressionDouble-blind clinical trialHigh placebo response rateSerotonergic antidepressant treatmentPlacebo response ratesSerotonin reuptake inhibitorsAntidepressant nonrespondersPlacebo armMost patientsAntidepressant respondersMedication risksReuptake inhibitorsSerotonergic antidepressantsResponder statusTreatment responseClinical trajectoriesDepression scoresDepression severity
2009
Dimensional predictors of response to SRI pharmacotherapy in obsessive–compulsive disorder
Landeros-Weisenberger A, Bloch MH, Kelmendi B, Wegner R, Nudel J, Dombrowski P, Pittenger C, Krystal JH, Goodman WK, Leckman JF, Coric V. Dimensional predictors of response to SRI pharmacotherapy in obsessive–compulsive disorder. Journal Of Affective Disorders 2009, 121: 175-179. PMID: 19577308, PMCID: PMC3974618, DOI: 10.1016/j.jad.2009.06.010.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderSRI responseSymptom dimensionsOpen-label continuation phaseClinical Global Improvement ScaleGlobal Improvement ScaleCentral serotonin systemInitial positive responseYale-Brown ObsessiveContinuation phaseMinor symptomsOrdinal logistic regressionClinical trialsSerotonin systemTreatment responseSame patientImprovement ScaleSRI treatmentPatientsSignificant associationLogistic regressionCompulsive ScaleOCD patientsOCD subjectsSymptoms
2007
Opioid Receptor Gene (OPRM1, OPRK1, and OPRD1) Variants and Response to Naltrexone Treatment for Alcohol Dependence: Results From the VA Cooperative Study
Gelernter J, Gueorguieva R, Kranzler HR, Zhang H, Cramer J, Rosenheck R, Krystal JH, Group T. Opioid Receptor Gene (OPRM1, OPRK1, and OPRD1) Variants and Response to Naltrexone Treatment for Alcohol Dependence: Results From the VA Cooperative Study. Alcohol Clinical And Experimental Research 2007, 31: 555-563. PMID: 17374034, DOI: 10.1111/j.1530-0277.2007.00339.x.Peer-Reviewed Original ResearchMeSH KeywordsAdultAlcoholismConfidence IntervalsDNADouble-Blind MethodExonsFemaleGenetic VariationGenotypeHumansLinear ModelsLogistic ModelsMaleMiddle AgedNaltrexoneNarcotic AntagonistsOdds RatioProportional Hazards ModelsPsychiatric Status Rating ScalesReceptors, Opioid, deltaReceptors, Opioid, kappaReceptors, Opioid, muSmokingTreatment OutcomeUnited StatesUnited States Department of Veterans AffairsConceptsAlcohol dependenceOpioid receptorsTreatment responseVA Cooperative StudyRate of relapsePredictors of responseAlcohol-dependent male subjectsMu-opioid receptorsKappa-opioid receptorsCourse of treatmentShort-term treatmentReceptor gene variantsOpioid receptor geneAsn40Asp polymorphismAvailable medicationsNaltrexone treatmentSpecific pharmacotherapyPretreatment numberDrug naltrexoneNaltrexoneMale subjectsCooperative StudyRelapseHeavy drinkingIndividual single nucleotide polymorphisms
2003
Treatment Models and Designs for Intervention Research During the Psychotic Prodrome
Kane JM, Krystal J, Correll CU. Treatment Models and Designs for Intervention Research During the Psychotic Prodrome. Schizophrenia Bulletin 2003, 29: 747-756. PMID: 14989412, DOI: 10.1093/oxfordjournals.schbul.a007044.Peer-Reviewed Original ResearchConceptsPsychotic prodromePsychotic disordersEarly interventionSubsequent symptom severityTreatment modelOngoing intervention trialsSpecific symptom clustersTreatment refractorinessFunctional disabilityPatient selectionIntervention trialsFunctional outcomeProdromal symptomsDisease progressionNatural courseTarget symptomsSubsyndromal symptomsDifferent treatment modelsOutcome measuresProdromal populationTreatment responseProdromal stateTrial designSymptom clustersSymptom severity
1992
Alexithymia as a predictor of treatment response in post‐traumatic stress disorder
Kosten T, Krystal J, Giller E, Frank J, Dan E. Alexithymia as a predictor of treatment response in post‐traumatic stress disorder. Journal Of Traumatic Stress 1992, 5: 563-573. DOI: 10.1002/jts.2490050406.Peer-Reviewed Original ResearchAlexithymia as a predictor of treatment response in post-traumatic stress disorder
Kosten T, Krystal J, Giller E, Frank J, Dan E. Alexithymia as a predictor of treatment response in post-traumatic stress disorder. Journal Of Traumatic Stress 1992, 5: 563-573. DOI: 10.1007/bf00979225.Peer-Reviewed Original ResearchControlled Trial of Alprazolam Supplementation During Imipramine Treatment of Panic Disorder
WOODS S, NAGY L, KOLESZAR A, KRYSTAL J, HENINGER G, CHARNEY D. Controlled Trial of Alprazolam Supplementation During Imipramine Treatment of Panic Disorder. Journal Of Clinical Psychopharmacology 1992, 12: 32-38. PMID: 1552038, DOI: 10.1097/00004714-199202000-00006.Peer-Reviewed Original ResearchControlled Trial of Alprazolam Supplementation During Imipramine Treatment of Panic Disorder.
WOODS S, NAGY L, KOLESZAR A, KRYSTAL J, HENINGER G, CHAEY D. Controlled Trial of Alprazolam Supplementation During Imipramine Treatment of Panic Disorder. Current Opinion In Cardiology 1992, 7: 32. DOI: 10.1097/00001573-199202000-00006.Peer-Reviewed Original Research