Featured Publications
Pharmacological and behavioral treatment for trichotillomania: An updated systematic review with meta‐analysis
Farhat LC, Olfson E, Nasir M, Levine JLS, Li F, Miguel EC, Bloch MH. Pharmacological and behavioral treatment for trichotillomania: An updated systematic review with meta‐analysis. Depression And Anxiety 2020, 37: 715-727. PMID: 32390221, DOI: 10.1002/da.23028.Peer-Reviewed Original ResearchConceptsClinical trialsSingle randomized clinical trialTTM symptomsFirst-line medicationRandomized clinical trialsStrong evidence baseLarge treatment effectsHair pulling disorderEffective medicationsAvailable agentsPharmacological agentsAdditional trialsDrug AdministrationPsychiatric conditionsSystematic reviewN-acetylcysteineBehavioral treatmentBehavioral therapyEvidence baseTrichotillomaniaTrialsRelative efficacyTreatment effectsMedicationsSymptoms
2023
Protocol description for a randomized controlled trial of fMRI neurofeedback for tics in adolescents with Tourette Syndrome
Awasthi J, Harris-Starling C, Kalvin C, Pittman B, Park H, Bloch M, Fernandez T, Sukhodolsky D, Hampson M. Protocol description for a randomized controlled trial of fMRI neurofeedback for tics in adolescents with Tourette Syndrome. Psychiatry Research Neuroimaging 2023, 336: 111692. PMID: 37673711, PMCID: PMC10722977, DOI: 10.1016/j.pscychresns.2023.111692.Peer-Reviewed Case Reports and Technical NotesConceptsTourette syndromeFunctional magnetic resonance imagingStudy protocolChronic tic disorderSupplementary motor areaLower functional connectivityMagnetic resonance imagingResearch study protocolLarge trialsClinical trialsTic disordersMotor areaBrain areasControl groupResonance imagingBrain regionsNew trialsFunctional connectivityNeurofeedback interventionFMRI neurofeedbackNF protocolTrialsNF studiesSyndromeIntervention
2022
Meta‐Analysis: Efficacy and Tolerability of Vesicular Monoamine Transporter Type 2 Inhibitors in the Treatment of Tic Disorders
Behling E, Farhat LC, Landeros‐Weisenberger A, Bloch MH. Meta‐Analysis: Efficacy and Tolerability of Vesicular Monoamine Transporter Type 2 Inhibitors in the Treatment of Tic Disorders. Movement Disorders 2022, 37: 684-693. PMID: 35191552, DOI: 10.1002/mds.28957.Peer-Reviewed Original ResearchConceptsChronic tic disorderTourette syndromeVMAT2 inhibitorsTic disordersVesicular monoamine transporter type 2 inhibitorsYale Global Tic Severity ScaleMean differenceRate of discontinuationTic Severity ScaleType 2 inhibitorsShort-term treatmentTic symptomsBlinded RCTEffective therapySeverity ScaleSystematic reviewTolerabilityAvailable evidenceAdverse effectsInverse varianceEfficacyRCTsInhibitorsNonsignificant effectTrials
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 ScaleTrialsDisordersMeta-Analysis: Pediatric Placebo Response in Depression Trials Does Not Replicate in Anxiety and Obsessive-Compulsive Disorder Trials
Nasir M, Li F, Courley S, Olten B, Bloch MH. Meta-Analysis: Pediatric Placebo Response in Depression Trials Does Not Replicate in Anxiety and Obsessive-Compulsive Disorder Trials. Journal Of Child And Adolescent Psychopharmacology 2021, 31: 670-684. PMID: 34558984, DOI: 10.1089/cap.2021.0030.Peer-Reviewed Original ResearchConceptsPlacebo response ratesObsessive-compulsive disorderPlacebo responseDepression trialsResponse ratePlacebo improvementSymptom improvementAntidepressant trialsStratified subgroup analysisRandom-effects modelPediatric populationSubgroup analysisStudy visitNumber of subjectsPsychopharmacological trialsPubMed searchDifferent indicationsDiagnostic indicationsMean differenceAnxiety disordersTrialsDisordersPediatric anxietyPredictorsPossible correlates
2020
Meta-analysis: Pharmacologic Treatment of Restricted and Repetitive Behaviors in Autism Spectrum Disorders
Zhou MS, Nasir M, Farhat LC, Kook M, Artukoglu BB, Bloch MH. Meta-analysis: Pharmacologic Treatment of Restricted and Repetitive Behaviors in Autism Spectrum Disorders. Journal Of The American Academy Of Child & Adolescent Psychiatry 2020, 60: 35-45. PMID: 32387445, DOI: 10.1016/j.jaac.2020.03.007.Peer-Reviewed Original ResearchConceptsSelective serotonin reuptake inhibitorsPlacebo-controlled trialPharmacological treatmentPharmacological agentsAvailable pharmacological agentsAutism spectrum disorderSerotonin reuptake inhibitorsStandardized mean differenceStandardized study designsTreatment of ASDPharmacologic treatmentPrimary outcomeReuptake inhibitorsAntipsychotic medicationSpecific assessment toolsFolinic acidSpectrum disorderModest benefitRepetitive behaviorsMean differenceStudy designSmall effect sizesIndividual studiesTrialsPlacebo
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 burdenDisorders1.60 ANTIDEPRESSANT TREATMENT OF MDD IN PATIENTS WITH COMORBID ALCOHOL USE DISORDER: A META-ANALYSIS OF RANDOMIZED PLACEBO-CONTROLLED TRIALS WITH DISCUSSION OF PEDIATRIC IMPLICATIONS
Johnson I, Shovestul B, Niciu M, Li F, Bloch M. 1.60 ANTIDEPRESSANT TREATMENT OF MDD IN PATIENTS WITH COMORBID ALCOHOL USE DISORDER: A META-ANALYSIS OF RANDOMIZED PLACEBO-CONTROLLED TRIALS WITH DISCUSSION OF PEDIATRIC IMPLICATIONS. Journal Of The American Academy Of Child & Adolescent Psychiatry 2019, 58: s166. DOI: 10.1016/j.jaac.2019.08.082.Peer-Reviewed Original Research
2018
Identifying 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
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 effectsPlaceboClonidineN-Acetylcysteine in the Treatment of Pediatric Trichotillomania: A Randomized, Double-Blind, Placebo-Controlled Add-On Trial
Bloch MH, Panza KE, Grant JE, Pittenger C, Leckman JF. N-Acetylcysteine in the Treatment of Pediatric Trichotillomania: A Randomized, Double-Blind, Placebo-Controlled Add-On Trial. Journal Of The American Academy Of Child & Adolescent Psychiatry 2013, 52: 231-240. PMID: 23452680, PMCID: PMC3745012, DOI: 10.1016/j.jaac.2012.12.020.Peer-Reviewed Original ResearchConceptsN-acetylcysteinePharmacological interventionsPediatric trichotillomaniaBenefit of NACBehavioral therapySecondary outcome measuresTreatment of childrenClinician-rated improvementMassachusetts General HospitalTreat populationPlacebo groupPrimary outcomeNAC groupGeneral HospitalOutcome measuresTreatment respondersSecondary measuresPlaceboTreatment assignmentTrichotillomaniaLinear mixed modelsTrialsSignificant differencesChildrenTherapy
2012
Systematic review: Pharmacological treatment of tic disorders – Efficacy of antipsychotic and alpha-2 adrenergic agonist agents
Weisman H, Qureshi IA, Leckman JF, Scahill L, Bloch MH. Systematic review: Pharmacological treatment of tic disorders – Efficacy of antipsychotic and alpha-2 adrenergic agonist agents. Neuroscience & Biobehavioral Reviews 2012, 37: 1162-1171. PMID: 23099282, PMCID: PMC3674207, DOI: 10.1016/j.neubiorev.2012.09.008.Peer-Reviewed Original ResearchPharmacologic Treatment of Repetitive Behaviors in Autism Spectrum Disorders: Evidence of Publication Bias
Carrasco M, Volkmar FR, Bloch MH. Pharmacologic Treatment of Repetitive Behaviors in Autism Spectrum Disorders: Evidence of Publication Bias. Pediatrics 2012, 129: e1301-e1310. PMID: 22529279, PMCID: PMC3340598, DOI: 10.1542/peds.2011-3285.Peer-Reviewed Original ResearchConceptsSerotonin receptor inhibitorsPublication biasTrial resultsPlacebo-controlled trialAutism spectrum disorderRepetitive behaviorsAvailable medicationsPatient agePharmacologic treatmentPrimary outcomeUnpublished trialsEgger's testReceptor inhibitorsMean improvementSpectrum disorderFunnel plotTrial designSecondary analysisTrial durationRating ScaleEfficacyTrialsTweedie's trimMedicationsTreatment
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