2023
Personalized symptom clusters that predict depression treatment outcomes: A replication of machine learning methods
Chen Y, Stewart J, Ge J, Cheng B, Chekroud A, Hellerstein D. Personalized symptom clusters that predict depression treatment outcomes: A replication of machine learning methods. Journal Of Affective Disorders Reports 2023, 11: 100470. DOI: 10.1016/j.jadr.2023.100470.Peer-Reviewed Original ResearchHamilton Rating ScaleSymptom clustersTreatment trajectoriesQuick InventoryTreatment outcomesDouble-blind clinical trialDepressive Symptomatology-Self ReportRating ScaleBest baseline predictorsHAM-D scoresDepression treatment outcomesAnxiety disorder diagnosisQIDS-SR16Depressive illnessEscitalopram monotherapyBaseline variablesClinical trialsBaseline predictorsTreatment efficacyUnipolar depressionDifferent treatment trajectoriesTreatment planLogistic regressionDisorder diagnosisDual treatment
2021
Parsing the antidepressant effects of non-invasive brain stimulation and pharmacotherapy: A symptom clustering approach on ELECT-TDCS
Goerigk S, Padberg F, Chekroud A, Kambeitz J, Bühner M, Brunoni A. Parsing the antidepressant effects of non-invasive brain stimulation and pharmacotherapy: A symptom clustering approach on ELECT-TDCS. Brain Stimulation 2021, 14: 906-912. PMID: 34048940, DOI: 10.1016/j.brs.2021.05.008.Peer-Reviewed Original ResearchConceptsTranscranial direct current stimulationNon-invasive brain stimulationDepressive symptomsBrain stimulationEfficacy of tDCSCore depressive symptomsLinear mixed regression modelsDepressive symptom clustersConsiderable inter-individual variabilityDirect current stimulationEscitalopram 20Antidepressant effectsAntidepressant efficacyInter-individual variabilityAtypical symptomsDepressed patientsMixed regression modelsInsomnia symptomsTDCS sessionsPharmacotherapyEscitalopramSymptomsPlaceboSymptom clustersCurrent stimulation
2020
Symptom clusters in adolescent depression and differential response to treatment: a secondary analysis of the Treatment for Adolescents with Depression Study randomised trial
Bondar J, Caye A, Chekroud A, Kieling C. Symptom clusters in adolescent depression and differential response to treatment: a secondary analysis of the Treatment for Adolescents with Depression Study randomised trial. The Lancet Psychiatry 2020, 7: 337-343. PMID: 32199509, DOI: 10.1016/s2215-0366(20)30060-2.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentBayes TheoremChildCognitive Behavioral TherapyCombined Modality TherapyDepressive Disorder, MajorDiagnostic and Statistical Manual of Mental DisordersFemaleFluoxetineHumansMalePsychiatric Status Rating ScalesSelective Serotonin Reuptake InhibitorsTreatment OutcomeUnited StatesConceptsChildren's Depression Rating Scale-RevisedCognitive behavioral therapyCDRS-R scoresSymptom clustersDepression StudyTreatment efficacySecondary analysisMajor depressive disorderDSM-IV diagnosisCo-occurring symptomsSpecific symptom clustersPlacebo groupAcute phaseClinical profileActive treatmentSymptom scoresSleep disturbancesClinical trialsDepressive disorderPill placeboTreatment responseTherapeutic modalitiesSpecific symptomsNew therapiesPhysical complaints
2017
Reevaluating the Efficacy and Predictability of Antidepressant Treatments: A Symptom Clustering Approach
Chekroud AM, Gueorguieva R, Krumholz HM, Trivedi MH, Krystal JH, McCarthy G. Reevaluating the Efficacy and Predictability of Antidepressant Treatments: A Symptom Clustering Approach. JAMA Psychiatry 2017, 74: 370-378. PMID: 28241180, PMCID: PMC5863470, DOI: 10.1001/jamapsychiatry.2017.0025.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAffectAgedAntidepressive AgentsBupropionCitalopramCluster AnalysisDepressive Disorder, MajorDose-Response Relationship, DrugDrug Therapy, CombinationDuloxetine HydrochlorideFemaleHumansMaleMianserinMiddle AgedMirtazapineRandomized Controlled Trials as TopicSleepSyndromeTreatment OutcomeVenlafaxine HydrochlorideYoung AdultConceptsCore emotional symptomsDepressive severitySymptom clustersHamilton Depression Rating ScaleDepression Outcomes trialDifferent antidepressant medicationsHAM-D scaleHigh-dose duloxetinePhase 3 trialEmotional symptomsPatient-reported dataDepression Rating ScaleSequenced Treatment AlternativesGroup of symptomsCluster of symptomsDepressive symptom checklistMixed-effects regression analysisDepressive Symptomatology ScaleAntidepressant therapyAntidepressant treatmentAntidepressant medicationOutcome trialsCombining MedicationsAtypical symptomsAdditional placebo