Featured Publications
A systematic review: antipsychotic augmentation with treatment refractory obsessive-compulsive disorder
Bloch MH, Landeros-Weisenberger A, Kelmendi B, Coric V, Bracken MB, Leckman JF. A systematic review: antipsychotic augmentation with treatment refractory obsessive-compulsive disorder. Molecular Psychiatry 2006, 11: 622-632. PMID: 16585942, DOI: 10.1038/sj.mp.4001823.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntipsychotic AgentsBasal Ganglia DiseasesBenzodiazepinesComorbidityDepressive DisorderDibenzothiazepinesDouble-Blind MethodDrug ResistanceDrug Therapy, CombinationHaloperidolHumansMiddle AgedObsessive-Compulsive DisorderOlanzapinePatient DropoutsQuetiapine FumarateRandomized Controlled Trials as TopicRisperidoneSelective Serotonin Reuptake InhibitorsTic DisordersTreatment OutcomeConceptsSerotonin reuptake inhibitorsAntipsychotic augmentationAbsolute risk differenceObsessive-compulsive disorderComorbid ticsOCD patientsTreatment responseSystematic reviewTreatment-refractory obsessive-compulsive disorderTreatment-refractory OCD patientsRefractory obsessive-compulsive disorderDouble-blind trialEfficacy of quetiapineTreatment-refractory OCDCochrane Central RegisterMeaningful treatment responseProportion of subjectsEfficacy of haloperidolRandomized control trialObsessive-compulsive disorder patientsSRI monotherapyAdequate trialCentral RegisterControlled TrialsReuptake inhibitors
2023
The Relationship Between Acute Dissociative Effects Induced by Ketamine and Treatment Response in Adolescent Patients with Treatment-Resistant Depression
Lineham A, Avila-Quintero V, Bloch M, Dwyer J. The Relationship Between Acute Dissociative Effects Induced by Ketamine and Treatment Response in Adolescent Patients with Treatment-Resistant Depression. Journal Of Child And Adolescent Psychopharmacology 2023, 33: 20-26. PMID: 36799961, DOI: 10.1089/cap.2022.0086.Peer-Reviewed Original ResearchConceptsTreatment-resistant depressionDepression symptom improvementAcute dissociative symptomsAntidepressant responseSymptom improvementRapid-acting antidepressant agentsSignificant associationDissociative symptomsLikelihood of responseDissociation symptomsMagnitude of associationDissociative effectsKetamine groupPediatric patientsCrossover trialPediatric populationAntidepressant agentsKetamine responseAdolescent patientsAdult studiesDepression responseSecondary data analysisTreatment responseDepressive symptomsTrial design
2021
Systematic Review and Meta-analysis: An Empirical Approach to Defining Treatment Response and Remission in Pediatric Obsessive-Compulsive Disorder
Farhat LC, Vattimo EFQ, Ramakrishnan D, Levine JLS, Johnson JA, Artukoglu BB, Landeros-Weisenberger A, Asbahr FR, Cepeda SL, Comer JS, Fatori D, Franklin ME, Freeman JB, Geller DA, Grant PJ, Goodman WK, Heyman I, Ivarsson T, Lenhard F, Lewin AB, Li F, Merlo LJ, Mohsenabadi H, Peris TS, Piacentini J, Rosa-Alcázar AI, Rosa-Alcázar À, Rozenman M, Sapyta JJ, Serlachius E, Shabani MJ, Shavitt RG, Small BJ, Skarphedinsson G, Swedo SE, Thomsen PH, Turner C, Weidle B, Miguel EC, Storch EA, Mataix-Cols D, Bloch MH. Systematic Review and Meta-analysis: An Empirical Approach to Defining Treatment Response and Remission in Pediatric Obsessive-Compulsive Disorder. Journal Of The American Academy Of Child & Adolescent Psychiatry 2021, 61: 495-507. PMID: 34597773, DOI: 10.1016/j.jaac.2021.05.027.Peer-Reviewed Original ResearchConceptsPediatric obsessive-compulsive disorderObsessive-compulsive disorderOptimal cutoffYale-Brown ObsessiveCY-BOCSClinical trialsSystematic reviewClinical Global Impression-ImprovementRandom-effects meta-analysis modelDiscriminative abilityStandardized operational definitionsMeta-analysis modelChildren's Yale-Brown ObsessiveDiagnostic test accuracyTreatment responseRemissionSeverity ScaleMeta-AnalysisYouden indexCompulsive ScaleTrialsDisorders
2019
Measuring Treatment Response in Pediatric Trichotillomania: A Meta-Analysis of Clinical Trials
Farhat LC, Olfson E, Levine JLS, Li F, Franklin ME, Lee HJ, Lewin AB, McGuire JF, Rahman O, Storch EA, Tolin DF, Zickgraf HF, Bloch MH. Measuring Treatment Response in Pediatric Trichotillomania: A Meta-Analysis of Clinical Trials. Journal Of Child And Adolescent Psychopharmacology 2019, 30: 306-315. PMID: 31794677, PMCID: PMC7476376, DOI: 10.1089/cap.2019.0103.Peer-Reviewed Original ResearchConceptsClinical trialsTreatment responseOptimal cut pointCut pointsMassachusetts General Hospital Hair Pulling ScalePediatric trichotillomaniaClinical Global Impressions-Improvement scoreMeta-DiSc softwareClinical responsePediatric populationAge-related differencesSeverity ScaleImprovement scoresMeta-AnalysisYouden indexStandardized definitionsTTM severityOlder childrenTrichotillomaniaTrialsParent versionNational InstituteYoung childrenMGH-HPSDiscriminative abilityEfficacy and Tolerability of Pharmacotherapy for Pediatric Anxiety Disorders: A Network Meta-Analysis.
Dobson ET, Bloch MH, Strawn JR. Efficacy and Tolerability of Pharmacotherapy for Pediatric Anxiety Disorders: A Network Meta-Analysis. The Journal Of Clinical Psychiatry 2019, 80 PMID: 30753760, DOI: 10.4088/jcp.17r12064.Peer-Reviewed Original ResearchConceptsSerotonin-norepinephrine reuptake inhibitorsSelective serotonin reuptake inhibitorsTolerability of pharmacotherapyTreatment-emergent suicidalityMedication classesTreatment responsePediatric anxiety disordersAnxiety disordersReuptake inhibitorsTolerability of medicationsPlacebo-controlled trialSerotonin reuptake inhibitorsNetwork Meta-AnalysisRisk of biasWeb of ScienceCause discontinuationGeMTC packageSuicidality dataCochrane riskMultiple medicationsBias toolPediatric patientsMedication trialsAgonist treatmentCochrane Database
2018
Systematic review and meta‐analysis: Dose–response curve of SSRIs and SNRIs in anxiety disorders
Jakubovski E, Johnson JA, Nasir M, Müller‐Vahl K, Bloch MH. Systematic review and meta‐analysis: Dose–response curve of SSRIs and SNRIs in anxiety disorders. Depression And Anxiety 2018, 36: 198-212. PMID: 30479005, DOI: 10.1002/da.22854.Peer-Reviewed Original ResearchConceptsSerotonin-norepinephrine reuptake inhibitorsSelective serotonin reuptake inhibitorsGreater treatment benefitHigh dosesTreatment responseAnxiety disordersReuptake inhibitorsSymptom improvementTreatment benefitPharmacological agentsRandomized placebo-controlled clinical trialSSRIs/serotonin-norepinephrine reuptake inhibitorsPlacebo-controlled clinical trialIndividual pharmacological agentsCochrane Central RegisterNorepinephrine reuptake inhibitorsSerotonin reuptake inhibitorsOverall symptom improvementGreater symptom improvementDose-response curveLinear mixed model analysisCentral RegisterMedication classesAdult patientsControlled TrialsIdentifying standardized definitions of treatment response in trichotillomania: A meta-analysis
Farhat LC, Olfson E, Li F, Telang S, Bloch MH. Identifying standardized definitions of treatment response in trichotillomania: A meta-analysis. Progress In Neuro-Psychopharmacology And Biological Psychiatry 2018, 89: 446-455. PMID: 30336171, DOI: 10.1016/j.pnpbp.2018.10.009.Peer-Reviewed Original ResearchConceptsTreatment responseClinical trialsMassachusetts General Hospital Hair Pulling ScaleClinical Global Impression-Improvement scale scoreMGH-HPSImprovement Scale scoresMeta-DiSc softwarePediatric subjectsSeverity ScaleScale scoreAdult subjectsSymptom severityYouden indexStandardized definitionsTrialsNational InstituteCentral databaseTrichotillomaniaPercent reductionUniversal definitionAdequate dataSubjectsResponsePubMed
2016
Systematic Review and Meta-Analysis: Early Treatment Responses of Selective Serotonin Reuptake Inhibitors and Clomipramine in Pediatric Obsessive-Compulsive Disorder
Varigonda AL, Jakubovski E, Bloch MH. Systematic Review and Meta-Analysis: Early Treatment Responses of Selective Serotonin Reuptake Inhibitors and Clomipramine in Pediatric Obsessive-Compulsive Disorder. Journal Of The American Academy Of Child & Adolescent Psychiatry 2016, 55: 851-859.e2. PMID: 27663940, PMCID: PMC6944467, DOI: 10.1016/j.jaac.2016.07.768.Peer-Reviewed Original ResearchConceptsSelective serotonin reuptake inhibitorsPediatric obsessive-compulsive disorderSerotonin reuptake inhibitorsObsessive-compulsive disorderYale-Brown ObsessiveReuptake inhibitorsTime courseEarly treatment responseTreatment effectsChildren's Yale-Brown ObsessiveSSRI agentsPlacebo groupSSRI treatmentAdult patientsTreatment responsePooled estimatesPharmacological responseHigh dosesMeta-AnalysisSystematic reviewClomipramineSymptom dataMagnitude of responseMean differenceCompulsive Scale
2015
Systematic Review and Meta-Analysis: Dose-Response Relationship of Selective Serotonin Reuptake Inhibitors in Major Depressive Disorder
Jakubovski E, Varigonda AL, Freemantle N, Taylor MJ, Bloch MH. Systematic Review and Meta-Analysis: Dose-Response Relationship of Selective Serotonin Reuptake Inhibitors in Major Depressive Disorder. American Journal Of Psychiatry 2015, 173: 174-183. PMID: 26552940, PMCID: PMC4975858, DOI: 10.1176/appi.ajp.2015.15030331.Peer-Reviewed Original ResearchConceptsSelective serotonin reuptake inhibitorsMajor depressive disorderSerotonin reuptake inhibitorsDepressive disorderHigh dosesTreatment responseReuptake inhibitorsBenefit of SSRIsEfficacy of SSRIsTolerability of SSRIsEffects of SSRIsRandomized placebo-controlled trialPlacebo-controlled trialStratified subgroup analysisTherapeutic dose rangeDose-response relationshipSSRI doseTolerability analysisMedication dosesSignificant positive associationSubgroup analysisMultiple time pointsDose categoriesMixed regression modelsCause dropoutsSystematic Review and Meta-Analysis: Early Treatment Responses of Selective Serotonin Reuptake Inhibitors in Pediatric Major Depressive Disorder
Varigonda AL, Jakubovski E, Taylor MJ, Freemantle N, Coughlin C, Bloch MH. Systematic Review and Meta-Analysis: Early Treatment Responses of Selective Serotonin Reuptake Inhibitors in Pediatric Major Depressive Disorder. Journal Of The American Academy Of Child & Adolescent Psychiatry 2015, 54: 557-564. PMID: 26088660, DOI: 10.1016/j.jaac.2015.05.004.Peer-Reviewed Original ResearchConceptsSelective serotonin reuptake inhibitorsPediatric major depressive disorderMajor depressive disorderSerotonin reuptake inhibitorsSSRI agentsReuptake inhibitorsPediatric depressionDepressive disorderAdult major depressive disorderFirst-line pharmacological treatmentEarly treatment responseIndividual patient dataStandardized mean differenceMDD trialsSSRI doseSSRI pharmacotherapyPlacebo groupAdult patientsSSRI responsePharmacological treatmentPharmacological trialsTreatment responsePooled estimatesPharmacological responseHigh doses
2014
Meta-analysis: hoarding symptoms associated with poor treatment outcome in obsessive–compulsive disorder
Bloch MH, Bartley CA, Zipperer L, Jakubovski E, Landeros-Weisenberger A, Pittenger C, Leckman JF. Meta-analysis: hoarding symptoms associated with poor treatment outcome in obsessive–compulsive disorder. Molecular Psychiatry 2014, 19: 1025-1030. PMID: 24912494, PMCID: PMC4169729, DOI: 10.1038/mp.2014.50.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderTreatment responseOCD patientsOdds ratioFurther treatment researchCase-control studyPoor treatment outcomesDifferential treatment responseSymptoms of OCDPrimary outcomeTreatment modalitiesEligible studiesTreatment outcomesPatientsElectronic searchSymptomsTotal participantsBehavioral therapyOCD treatmentDisordersSymptom dimensionsTreatment researchDSM-5Hoarding symptomsTreatmentPrognostic subgroups for citalopram response in the STAR*D trial.
Jakubovski E, Bloch MH. Prognostic subgroups for citalopram response in the STAR*D trial. The Journal Of Clinical Psychiatry 2014, 75: 738-47. PMID: 24912106, PMCID: PMC4471174, DOI: 10.4088/jcp.13m08727.Peer-Reviewed Original ResearchConceptsMajor depressive disorderBaseline clinical characteristicsClinical characteristicsTreatment successTreatment outcomesTreatment responseSide effectsSelective serotonin reuptake inhibitor (SSRI) pharmacotherapyEarly symptom improvementInitial clinical characteristicsOpen-label citalopramPrimary outcome measureFirst treatment phasePast treatment historySequenced Treatment AlternativesDSM-IV diagnosisTraditional psychiatric diagnosesDifferential treatment outcomesSSRI treatmentSymptom improvementMDD patientsMedication responsePoor responseDepressive disorderPrognostic subgroups
2011
Dimensional correlates of poor insight in obsessive–compulsive disorder
Jakubovski E, Pittenger C, Torres AR, Fontenelle LF, do Rosario MC, Ferrão YA, de Mathis MA, Miguel EC, Bloch MH. Dimensional correlates of poor insight in obsessive–compulsive disorder. Progress In Neuro-Psychopharmacology And Biological Psychiatry 2011, 35: 1677-1681. PMID: 21640153, PMCID: PMC4048951, DOI: 10.1016/j.pnpbp.2011.05.012.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderPoor insightYale-Brown ObsessiveSymptom severityTreatment responseCompulsive ScaleAxis I DSMLevel of insightDetailed clinical assessmentCross-sectional studyTotal symptom severityStructured Clinical InterviewLarge clinical cohortOCD severityDimensional correlatesSocio-demographic questionnaireClinical variablesPharmacological trialsComorbid depressionBrazilian patientsClinical assessmentClinical cohortBrown AssessmentClinical InterviewPatients
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