Featured Publications
The Effect of a Single Dose of Intravenous Ketamine on Suicidal Ideation: A Systematic Review and Individual Participant Data Meta-Analysis
Wilkinson ST, Ballard ED, Bloch MH, Mathew SJ, Murrough JW, Feder A, Sos P, Wang G, Zarate CA, Sanacora G. The Effect of a Single Dose of Intravenous Ketamine on Suicidal Ideation: A Systematic Review and Individual Participant Data Meta-Analysis. American Journal Of Psychiatry 2017, 175: 150-158. PMID: 28969441, PMCID: PMC5794524, DOI: 10.1176/appi.ajp.2017.17040472.Peer-Reviewed Original ResearchConceptsIndividual participant dataLong-term safetySuicidal ideationKetamine effectsSingle doseParticipant dataSuicide itemOutcome measuresSystematic reviewIndividual Participant Data Meta-AnalysisLimited treatment optionsPrimary outcome measureSelf-reported outcome measuresData Meta-AnalysisIntravenous ketaminePublic health crisisKetamine administrationTreatment optionsQIDS-SRDepressed patientsDepressive symptomsIntervention studiesKetamineMeta-AnalysisSuicidal thoughts
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 ScaleTrialsDisordersParental Age and the Risk for Alzheimer’s Disease in Offspring: Systematic Review and Meta-Analysis
Szejko N, Macul Ferreira de Barros P, Avila-Quintero VJ, Lombroso A, Bloch MH. Parental Age and the Risk for Alzheimer’s Disease in Offspring: Systematic Review and Meta-Analysis. Dementia And Geriatric Cognitive Disorders Extra 2021, 11: 140-150. PMID: 34178019, PMCID: PMC8216010, DOI: 10.1159/000515523.Peer-Reviewed Original ResearchAlzheimer's diseaseSystematic reviewParental ageRisk factorsPaternal ageRisk of ADLate Alzheimer's diseaseAdequate control groupsCohort studyPotential confoundersCommon causeCase controlControl groupElectronic databasesMeta-AnalysisVersion 16Significant associationDown syndromeDifferential riskDiseaseRelevant studiesAgeOlder parentsRiskMethodological limitations
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 abilityMeta-analysis of placebo group dropout in adult antidepressant trials
Li F, Nasir M, Olten B, Bloch MH. Meta-analysis of placebo group dropout in adult antidepressant trials. Progress In Neuro-Psychopharmacology And Biological Psychiatry 2019, 98: 109777. PMID: 31697973, DOI: 10.1016/j.pnpbp.2019.109777.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderPlacebo leadAntidepressant trialsDiagnostic indicationsPlacebo-controlled trialStratified subgroup analysisBaseline illness severityMore study visitsDropout rateOverall dropout rateFreeman-Tukey transformationLonger trial durationEarlier publication yearPlacebo groupIllness severitySubgroup analysisDepressive disorderStudy visitMeta-AnalysisTrial durationAnxiety disordersTrialsEfficiency of trialsSubject burdenDisordersMeta-Analysis of Placebo Response in Adult Antidepressant Trials
Li F, Nasir M, Olten B, Bloch MH. Meta-Analysis of Placebo Response in Adult Antidepressant Trials. CNS Drugs 2019, 33: 971-980. PMID: 31573058, DOI: 10.1007/s40263-019-00662-y.Peer-Reviewed Original ResearchConceptsPlacebo response ratesPlacebo improvementSymptom improvementObsessive-compulsive disorderResponse rateDiagnostic indicationsAntidepressant trialsRandomized placebo-controlled trialPlacebo-controlled trialStratified subgroup analysisSecond-generation antidepressantsPlacebo comparison groupFuture antidepressantsSubgroup analysisClinical trialsPlacebo responseTrial characteristicsGreater magnitudeDepression trialsMeta-AnalysisUS sitesTrial durationAntidepressantsLanguage limitsMean difference
2017
Hippocampal Volume Changes Following Electroconvulsive Therapy: A Systematic Review and Meta-analysis
Wilkinson ST, Sanacora G, Bloch MH. Hippocampal Volume Changes Following Electroconvulsive Therapy: A Systematic Review and Meta-analysis. Biological Psychiatry Cognitive Neuroscience And Neuroimaging 2017, 2: 327-335. PMID: 28989984, PMCID: PMC5627663, DOI: 10.1016/j.bpsc.2017.01.011.Peer-Reviewed Original ResearchMajor depressive disorderElectroconvulsive therapyTotal hippocampal volumeHippocampal volumeStandardized mean differenceConsistent morphological findingsHippocampal volume increasesCognitive side effectsPre-treatment valuesHippocampal volume changesRandom-effects modelMechanism of actionClinical improvementPrimary outcomeECT treatmentDepressive disorderEffective therapyNeuroplastic processesECT studiesSide effectsAnimal modelsDepression symptomsMeta-AnalysisSystematic reviewMorphological findings
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 ScaleSystematic Review of Pharmacological and Behavioral Treatments for Skin Picking Disorder
Schumer MC, Bartley CA, Bloch MH. Systematic Review of Pharmacological and Behavioral Treatments for Skin Picking Disorder. Journal Of Clinical Psychopharmacology 2016, 36: 147-152. PMID: 26872117, PMCID: PMC4930073, DOI: 10.1097/jcp.0000000000000462.Peer-Reviewed Original ResearchConceptsInactive control conditionsUncontrolled trialsBehavioral treatmentSystematic reviewLarger placebo-controlled RCTsSelective serotonin reuptake inhibitorsShort-term clinical trialsBehavioral interventionsPlacebo-controlled RCTsSerotonin reuptake inhibitorsSkin picking disorderEfficacy of treatmentNovel pharmacological agentsShort-term trialsReuptake inhibitorsTreatment armsControl conditionClinical trialsDemonstrated efficacyPsychiatric disordersPharmacological agentsSignificant improvementElectronic databasesRCTsMeta-Analysis
2014
A meta-analysis of computerized cognitive-behavioral therapy for the treatment of DSM-5 anxiety disorders.
Adelman CB, Panza KE, Bartley CA, Bontempo A, Bloch MH. A meta-analysis of computerized cognitive-behavioral therapy for the treatment of DSM-5 anxiety disorders. The Journal Of Clinical Psychiatry 2014, 75: e695-704. PMID: 25093485, DOI: 10.4088/jcp.13r08894.Peer-Reviewed Original ResearchConceptsCognitive behavioral therapyPerson cognitive-behavioural therapyComputerized cognitive behavioral therapyAnxiety disordersComputerized CBTNon-PTSD anxiety disordersCompletion of treatmentTreatment gainsStandardized mean differenceDSM-5 anxiety disordersGreater symptom reductionWait-list controlSpecific anxiety disordersFixed-effects modelClinical outcomesClinical comorbiditiesEfficacious interventionsSymptom reductionReal-world settingGreater efficacyMeta-AnalysisCBT treatmentMean differenceDisordersAnxiety symptoms
2013
Meta-Analysis
Mulqueen JM, Bartley CA, Bloch MH. Meta-Analysis. Journal Of Attention Disorders 2013, 19: 118-124. PMID: 24071773, DOI: 10.1177/1087054713504135.Peer-Reviewed Original ResearchConceptsMedication managementBehavioral interventionsPrimary outcome measureTreatment of ADHDControl conditionCochrane LibraryADHD Rating ScaleOutcome measuresMean improvementEfficacious treatmentSide effectsMeta-AnalysisParental interventionRating ScaleFinal analysisRelative efficacyInterventionYoung childrenPreliminary evidenceParent interventionPreschool childrenTrialsEfficacyADHDParental preferencesMeta-analysis: pharmacological treatment of pathological gambling
Bartley CA, Bloch MH. Meta-analysis: pharmacological treatment of pathological gambling. Expert Review Of Neurotherapeutics 2013, 13: 887-894. PMID: 23952195, DOI: 10.1586/14737175.2013.814938.Peer-Reviewed Original ResearchConceptsStandardized mean differenceReported efficacyPharmacological treatmentOpiate antagonistPathological gamblingPlacebo-controlled trialBenefits of medicationsCurrent trial dataFixed-effects modelTreat principleNon-significant effect sizeITT principlePharmacological agentsMeta-AnalysisTrial dataPublication biasSecondary analysisPlaceboMean differenceAntagonistTrialsMedicationsEfficacyYear of publicationEffect sizeSystematic Review and Meta-analysis of Pharmacological Treatment of the Symptoms of Attention-Deficit/Hyperactivity Disorder in Children with Pervasive Developmental Disorders
Reichow B, Volkmar FR, Bloch MH. Systematic Review and Meta-analysis of Pharmacological Treatment of the Symptoms of Attention-Deficit/Hyperactivity Disorder in Children with Pervasive Developmental Disorders. Journal Of Autism And Developmental Disorders 2013, 43: 2435-2441. PMID: 23468071, PMCID: PMC3787525, DOI: 10.1007/s10803-013-1793-z.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderADHD symptomsTrial of atomoxetineHyperactivity disorderPlacebo-controlled trialEfficacy of medicationsAdverse eventsPharmacological treatmentMethylphenidate trialMeta-AnalysisSystematic reviewSymptomsPervasive developmental disorderTrialsRelative efficacyIndividual trialsMedicationsDisordersChildrenDevelopmental disordersEfficacyPDDRandom effectsPlaceboClonidine
2011
Omega-3 Fatty Acid Supplementation for the Treatment of Children With Attention-Deficit/Hyperactivity Disorder Symptomatology: Systematic Review and Meta-Analysis
Bloch MH, Qawasmi A. Omega-3 Fatty Acid Supplementation for the Treatment of Children With Attention-Deficit/Hyperactivity Disorder Symptomatology: Systematic Review and Meta-Analysis. Journal Of The American Academy Of Child & Adolescent Psychiatry 2011, 50: 991-1000. PMID: 21961774, PMCID: PMC3625948, DOI: 10.1016/j.jaac.2011.06.008.Peer-Reviewed Original ResearchConceptsFatty acid supplementationAttention-deficit/hyperactivity disorderAcid supplementationOmega-3 Fatty Acid SupplementationTreatment of ADHDRandomized placebo-controlled trialBenign side effect profilePlacebo-controlled trialSide effect profilePrimary outcome measurementAnti-inflammatory propertiesTreatment of childrenCell membrane fluidityEffect of dosingAvailable pharmacotherapiesFatty acidsModest efficacyPharmacologic interventionsHyperactivity disorder symptomatologyOutcome measurementsDopamine neurotransmissionAcid doseHigh dosesPsychopharmacologic optionsMeta-Analysis
2010
Time-Lag Bias in Trials of Pediatric Antidepressants: A Systematic Review and Meta-Analysis
Reyes MM, Panza KE, Martin A, Bloch MH. Time-Lag Bias in Trials of Pediatric Antidepressants: A Systematic Review and Meta-Analysis. Journal Of The American Academy Of Child & Adolescent Psychiatry 2010, 50: 63-72. PMID: 21156271, PMCID: PMC3645909, DOI: 10.1016/j.jaac.2010.10.008.Peer-Reviewed Original ResearchConceptsSerotonin reuptake inhibitorsPlacebo-controlled trialTime-lag biasMajor depressive disorderYears of ageReuptake inhibitorsAntidepressant trialsPediatric depressionDepressive disorderTreatment respondersMAIN OUTCOMESystematic reviewMeta-AnalysisPositive findingsNegative findingsNegative trialsMedical literatureAntidepressantsTrialsPublication of findingsNegative resultsChild psychiatryEfficacyFindingsPublication time