Featured Publications
Comparative efficacy, tolerability, and acceptability of pharmacological interventions for the treatment of children, adolescents, and young adults with Tourette's syndrome: a systematic review and network meta-analysis
Farhat L, Behling E, Landeros-Weisenberger A, Levine J, Macul Ferreira de Barros P, Wang Z, Bloch M. Comparative efficacy, tolerability, and acceptability of pharmacological interventions for the treatment of children, adolescents, and young adults with Tourette's syndrome: a systematic review and network meta-analysis. The Lancet Child & Adolescent Health 2022, 7: 112-126. PMID: 36528030, DOI: 10.1016/s2352-4642(22)00316-9.Peer-Reviewed Original ResearchConceptsSecond-generation antipsychotic drugsMedication categoriesAntipsychotic drugsModerate certaintyIndividual medicationsTourette syndromePharmacological interventionsLow certaintyWHO International Clinical Trials Registry PlatformInternational Clinical Trials Registry PlatformSystematic reviewClinical Trials Registry PlatformChoice of medicationCochrane Central RegisterNetwork meta-analysis frameworkTrials Registry PlatformRandom-effects networkTerms of tolerabilityCertainty of evidenceClinical practice guidelinesComorbid attention deficit hyperactivity disorderStandardised mean differenceTreatment of childrenAttention deficit hyperactivity disorderWeb of ScienceThe effects of stimulant dose and dosing strategy on treatment outcomes in attention-deficit/hyperactivity disorder in children and adolescents: a meta-analysis
Farhat LC, Flores JM, Behling E, Avila-Quintero VJ, Lombroso A, Cortese S, Polanczyk GV, Bloch MH. The effects of stimulant dose and dosing strategy on treatment outcomes in attention-deficit/hyperactivity disorder in children and adolescents: a meta-analysis. Molecular Psychiatry 2022, 27: 1562-1572. PMID: 35027679, DOI: 10.1038/s41380-021-01391-9.Peer-Reviewed Original ResearchConceptsFixed-dose trialAttention-deficit/hyperactivity disorderDose-limiting adverse eventsChildren/adolescentsAdverse eventsFlexible-dose trialTerms of efficacyClinical practiceHigh dosesFlexible dose designIntolerable adverse eventsHyperactivity disorderIncremental benefitLikelihood of discontinuationADHD symptomsLarge systematic reviewSchool-aged children/adolescentsFlexible titrationPotential long-term effectsSymptom controlTreatment discontinuationClinical outcomesStimulant dosesDaily dosesClinical guidelinesEfficacy of Intravenous Ketamine in Adolescent Treatment-Resistant Depression: A Randomized Midazolam-Controlled Trial
Dwyer JB, Landeros-Weisenberger A, Johnson JA, Londono Tobon A, Flores JM, Nasir M, Couloures K, Sanacora G, Bloch MH. Efficacy of Intravenous Ketamine in Adolescent Treatment-Resistant Depression: A Randomized Midazolam-Controlled Trial. American Journal Of Psychiatry 2021, 178: 352-362. PMID: 33653121, DOI: 10.1176/appi.ajp.2020.20010018.Peer-Reviewed Original ResearchConceptsTreatment-resistant depressionDepression Rating ScaleIntravenous ketamineClinical trialsAdolescent treatment-resistant depressionAdult treatment-resistant depressionPlacebo-controlled clinical trialSignificant short-term efficacySerious adverse eventsPrimary outcome measureSingle intravenous infusionChildren's Depression Rating ScaleCrossover clinical trialShort-term efficacyMajor depressive disorderSingle ketamine infusionSymptoms 24 hoursLater time pointsKetamine’s safetyAdverse eventsAntidepressant medicationKetamine infusionPediatric populationSignificant morbidityIntravenous infusionAnnual Research Review: Defining and treating pediatric treatment‐resistant depression
Dwyer JB, Stringaris A, Brent DA, Bloch MH. Annual Research Review: Defining and treating pediatric treatment‐resistant depression. Journal Of Child Psychology And Psychiatry 2020, 61: 312-332. PMID: 32020643, PMCID: PMC8314167, DOI: 10.1111/jcpp.13202.Peer-Reviewed Original ResearchConceptsTreatment-resistant depressionMajor depressive disorderAdolescent treatment-resistant depressionRisk factorsAdolescent major depressive disorderPsychotherapy treatment trialSecond-line treatmentSignificant risk factorsPediatric clinical trialsSecond leading causeSignificant health problemEvidence-based psychotherapiesCent of adolescentsMedication switchAdequate medicationSubstantial morbiditySymptom improvementInterventional treatmentMedication augmentationTreatment trialsCare treatmentClinical trialsDepressive disorderDiagnostic difficultiesLeading cause
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 studiesSyndromeInterventionEditorial: Developmental considerations in addressing the earlier age of severe eating disorder onset
Kamody R, Bloch M. Editorial: Developmental considerations in addressing the earlier age of severe eating disorder onset. Journal Of Child Psychology And Psychiatry 2023, 64: 1101-1103. PMID: 37408467, DOI: 10.1111/jcpp.13852.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentChildCOVID-19Feeding and Eating DisordersHumansMental HealthPandemicsSuicidal IdeationConceptsMental health concernsHealth concernYouth mental health careMental health careCOVID-19 pandemicImpact of ageYouth mental healthSevere presentationPediatric hospitalizationsDisorder onsetAge of childrenDisorder presentationsMental healthHealth careHospitalizationAgeEarly ageCareDisordersDevelopmental considerationsOnsetPresentationPandemicDeleterious impactThe genetic epidemiology of obsessive-compulsive disorder: a systematic review and meta-analysis
Blanco-Vieira T, Radua J, Marcelino L, Bloch M, Mataix-Cols D, do Rosário M. The genetic epidemiology of obsessive-compulsive disorder: a systematic review and meta-analysis. Translational Psychiatry 2023, 13: 230. PMID: 37380645, PMCID: PMC10307810, DOI: 10.1038/s41398-023-02433-2.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentChildDatabases, FactualHumansMolecular EpidemiologyResearch DesignTwins, DizygoticConceptsFirst-degree relativesSystematic reviewPopulation-based studyGenetic epidemiologyRelatives of childrenOutcomes of interestFirst systematic reviewObsessive-compulsive disorderRecurrence rateFamilial recurrence rateMedical recordsOpenGrey databasesControl groupControl probandsFamilial disorderAdolescent probandsStudy designEpidemiologyTwin study designOCD diagnosisIndependent researchersDizygotic twinsTwin pairsDisordersOCDCharacteristics of trichotillomania and excoriation disorder across the lifespan
Lin A, Farhat L, Flores J, Levine J, Fernandez T, Bloch M, Olfson E. Characteristics of trichotillomania and excoriation disorder across the lifespan. Psychiatry Research 2023, 322: 115120. PMID: 36842397, PMCID: PMC10023474, DOI: 10.1016/j.psychres.2023.115120.Peer-Reviewed Original ResearchConceptsExcoriation disorderClinical characteristicsSkin-picking severityAttention-deficit/hyperactivity disorderCo-occurring conditionsBody-focused repetitive behaviorsObsessive-compulsive disorderSeverity scoreCurrent symptomsSignificant positive correlationTrichotillomaniaHyperactivity disorderDisordersSelf-reported anxietyAge 4High rateSubtypesSelf-report measuresSeverityCross-sectional survey responsesRepetitive behaviorsAdulthoodPositive correlationThe 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
2022
Editorial: Schools on the frontline of suicide prevention
Kamody RC, Bloch MH. Editorial: Schools on the frontline of suicide prevention. Journal Of Child Psychology And Psychiatry 2022, 63: 833-835. PMID: 35861181, DOI: 10.1111/jcpp.13663.Peer-Reviewed Original ResearchConceptsMental health crisisYouth mental healthMental healthMental health careHealth crisisMental health fieldSuicide preventionBehavioral healthContinuum of servicesHealth careInnovative interventionsCOVID-19 pandemicIntervention approachesYouth behavioral healthCareHealthInequitable accessHealth fieldPandemicEditorial: We Can Do Better: Meta-analysis Demonstrates Inequities in Psychotherapy Efficacy for Black Children
Bloch MH, Finch K. Editorial: We Can Do Better: Meta-analysis Demonstrates Inequities in Psychotherapy Efficacy for Black Children. Journal Of The American Academy Of Child & Adolescent Psychiatry 2022, 61: 742-744. PMID: 35346785, DOI: 10.1016/j.jaac.2022.03.011.Peer-Reviewed Original Research
2020
Time to Clinical Response in the Treatment of Early Onset Schizophrenia Spectrum Disorders Study
Taylor JH, Appel S, Eli M, Alexander-Bloch A, Maayan L, Gur RE, Bloch MH. Time to Clinical Response in the Treatment of Early Onset Schizophrenia Spectrum Disorders Study. Journal Of Child And Adolescent Psychopharmacology 2020, 31: 46-52. PMID: 32633541, PMCID: PMC7891207, DOI: 10.1089/cap.2020.0030.Peer-Reviewed Original ResearchConceptsClinical Global Impression-ImprovementClinical responseEarly Onset Schizophrenia Spectrum Disorders StudySymptom improvementWeek 8Early-onset schizophrenia spectrum disordersClinical response timeWeeks of treatmentProportional hazards regressionDisorders StudyTime courseSchizophrenia spectrum disordersClinical nonresponseMedication differencesClinical respondersTreatment initiationClinical nonrespondersMedian timeHazards regressionAntipsychotic treatmentEarly improvementSchizoaffective disorderClinical judgmentMore weeksYouth ages 8Little Doubt That CBT Works for Pediatric OCD
Storch EA, Peris TS, De Nadai A, Piacentini J, Bloch M, Cervin M, McGuire J, Farrell LJ, McCracken JT, McKay D, Riemann BC, Wagner AP, Franklin M, Schneider SC, Walkup JT, Williams L, Abramowitz JS, Stewart SE, Fitzgerald KD, Goodman WK. Little Doubt That CBT Works for Pediatric OCD. Journal Of The American Academy Of Child & Adolescent Psychiatry 2020, 59: 785-787. PMID: 32618273, DOI: 10.1016/j.jaac.2020.01.026.Peer-Reviewed Original Research
2019
N-Acetylcysteine for Pediatric Obsessive-Compulsive Disorder: A Small Pilot Study
Li F, Welling MC, Johnson JA, Coughlin C, Mulqueen J, Jakubovski E, Coury S, Landeros-Weisenberger A, Bloch MH. N-Acetylcysteine for Pediatric Obsessive-Compulsive Disorder: A Small Pilot Study. Journal Of Child And Adolescent Psychopharmacology 2019, 30: 32-37. PMID: 31800306, PMCID: PMC7133418, DOI: 10.1089/cap.2019.0041.Peer-Reviewed Original ResearchConceptsCY-BOCS total scoreN-acetylcysteineYale-Brown ObsessiveTotal scorePlacebo groupNAC groupStudy populationBenefit of NACPlacebo-controlled clinical trialSymptom severityEffect of NACMild adverse eventsOCD symptom severityLarger study populationPediatric obsessive-compulsive disorderSmall pilot studyChildren's Yale-Brown ObsessiveStudy medicationAdverse eventsPrimary outcomeGlutamate dysfunctionObsessive-compulsive disorderWeek 12Future trialsNAC treatmentMeasuring 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 ResearchMeSH KeywordsAdolescentAge FactorsChildHumansSeverity of Illness IndexTreatment OutcomeTrichotillomaniaConceptsClinical 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 abilityRandomized, Sham-Controlled Trial of Real-Time Functional Magnetic Resonance Imaging Neurofeedback for Tics in Adolescents With Tourette Syndrome
Sukhodolsky DG, Walsh C, Koller WN, Eilbott J, Rance M, Fulbright RK, Zhao Z, Bloch MH, King R, Leckman JF, Scheinost D, Pittman B, Hampson M. Randomized, Sham-Controlled Trial of Real-Time Functional Magnetic Resonance Imaging Neurofeedback for Tics in Adolescents With Tourette Syndrome. Biological Psychiatry 2019, 87: 1063-1070. PMID: 31668476, PMCID: PMC7015800, DOI: 10.1016/j.biopsych.2019.07.035.Peer-Reviewed Original ResearchConceptsSupplementary motor areaYale Global Tic Severity ScaleFunctional magnetic resonanceTic Severity ScaleReal-time functional magnetic resonanceTourette syndromeSeverity ScaleYale Global Tic Severity Scale-Total Tic ScoreTotal tic scorePrimary outcome measureSham control conditionReduction of ticsMagnetic resonanceSecondary outcomesSessions of neurofeedbackCrossover studyTic symptomsTic scoreOutcome measuresMotor areaSecondary measuresTic severityReal neurofeedbackEnd pointNeurofeedback interventionThe impact of attention deficit hyperactivity disorder in obsessive‐compulsive disorder subjects
Blanco‐Vieira T, Santos M, Ferrão YA, Torres AR, Miguel EC, Bloch MH, Leckman JF, do Rosario MC. The impact of attention deficit hyperactivity disorder in obsessive‐compulsive disorder subjects. Depression And Anxiety 2019, 36: 533-542. PMID: 30990937, DOI: 10.1002/da.22898.Peer-Reviewed Original ResearchConceptsAttention deficit hyperactivity disorderAdult OCD patientsObsessive-compulsive disorderDeficit hyperactivity disorderOCD patientsClinical characteristicsExact testFeatures of ADHDHyperactivity disorderSubgroup of patientsAdult obsessive-compulsive disorderComorbid attention deficit hyperactivity disorderSpecific clinical featuresCross-sectional studyObsessive-compulsive disorder (OCD) subjectsLogistic regression analysisFisher's exact testBrazilian Research ConsortiumMann-Whitney testAdult patientsRheumatic feverDevelopment of interventionsClinical featuresObsessive-compulsive spectrum disordersLifetime prevalence
2018
Supplementation with polyunsaturated fatty acids (PUFAs) in the management of attention deficit hyperactivity disorder (ADHD)
Banaschewski T, Belsham B, Bloch MH, Ferrin M, Johnson M, Kustow J, Robinson S, Zuddas A. Supplementation with polyunsaturated fatty acids (PUFAs) in the management of attention deficit hyperactivity disorder (ADHD). Nutrition And Health 2018, 24: 279-284. PMID: 29921155, PMCID: PMC6291899, DOI: 10.1177/0260106018772170.Peer-Reviewed Original ResearchConceptsAttention deficit hyperactivity disorderPUFA supplementationDeficit hyperactivity disorderManagement of ADHDFurther high-quality researchHyperactivity disorderPossible side effectsSmall beneficial effectRobust evidence baseChild attention-deficit hyperactivity disorderFatty acidsFrontline treatmentHigh-quality researchCurrent evidenceSide effectsPsychosocial interventionsTreatment approachesPanel consensusPatientsBeneficial effectsEvidence baseSupplementationInternational expertsDisordersAdultsPredictors and Moderators of Antipsychotic-Related Weight Gain in the Treatment of Early-Onset Schizophrenia Spectrum Disorders Study
Taylor JH, Jakubovski E, Gabriel D, Bloch MH. Predictors and Moderators of Antipsychotic-Related Weight Gain in the Treatment of Early-Onset Schizophrenia Spectrum Disorders Study. Journal Of Child And Adolescent Psychopharmacology 2018, 28: 474-484. PMID: 29920116, PMCID: PMC6154761, DOI: 10.1089/cap.2017.0147.Peer-Reviewed Original ResearchA Systematic Review of Pharmacologic Treatments for School Refusal Behavior
Tobon A, Reed MO, Taylor JH, Bloch MH. A Systematic Review of Pharmacologic Treatments for School Refusal Behavior. Journal Of Child And Adolescent Psychopharmacology 2018, 28: 368-378. PMID: 29741917, PMCID: PMC6909768, DOI: 10.1089/cap.2017.0160.Peer-Reviewed Original ResearchConceptsSchool refusalSystematic reviewPharmacologic treatmentFuture pharmacologic studiesSpecific psychosocial treatmentsLong-term outcomesNew pharmacologic agentsImportant pediatric problemSchool refusal behaviorComprehensive literature searchSignificant methodological limitationsImportant functional outcomesSecondary outcomesFunctional outcomeNewer antidepressantsPharmacologic trialsPharmacological treatmentPharmacologic agentsPharmacological interventionsPsychological interventionsPharmacologic studiesPsychosocial treatmentsMost trialsPediatric problemAnxiety symptoms