Featured Publications
Meta-Analysis: Treatment of Attention-Deficit/Hyperactivity Disorder in Children With Comorbid Tic Disorders
Bloch MH, Panza KE, Landeros-Weisenberger A, Leckman JF. Meta-Analysis: Treatment of Attention-Deficit/Hyperactivity Disorder in Children With Comorbid Tic Disorders. Journal Of The American Academy Of Child & Adolescent Psychiatry 2009, 48: 884-893. PMID: 19625978, PMCID: PMC3943246, DOI: 10.1097/chi.0b013e3181b26e9f.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic alpha-AgonistsAtomoxetine HydrochlorideAttention Deficit Disorder with HyperactivityChildComorbidityContraindicationsDose-Response Relationship, DrugDouble-Blind MethodHumansMethylphenidatePropylaminesPsychotropic DrugsRandomized Controlled Trials as TopicTic DisordersTourette SyndromeConceptsAlpha-2 agonistsAttention-deficit/hyperactivity disorderTic symptomsComorbid ticsSupratherapeutic dosesTic disordersADHD symptomsTreatment of ADHDHyperactivity disorderPlacebo-controlled trialEfficacy of medicationsStandardized mean differenceEvidence-based treatmentsHalf of childrenComorbid tic disordersPrimary outcomeDifferent medicationsPsychostimulant medicationPubMed searchTic severityTourette syndromePackage insertsDrug AdministrationAtomoxetineSymptoms
2024
Pharmacological Interventions for Attention-Deficit/Hyperactivity Disorder in Children and Adolescents with Tourette Disorder: A Systematic Review and Network Meta-Analysis
Farhat L, Behling E, Landeros-Weisenberger A, de Barros P, Polanczyk G, Cortese S, Bloch M. Pharmacological Interventions for Attention-Deficit/Hyperactivity Disorder in Children and Adolescents with Tourette Disorder: A Systematic Review and Network Meta-Analysis. Journal Of Child And Adolescent Psychopharmacology 2024, 34: 373-382. PMID: 39320340, DOI: 10.1089/cap.2024.0049.Peer-Reviewed Original ResearchADHD symptomsAttention-deficit/hyperactivity disorderTic severityTourette's disorderAttention-deficit/hyperactivityRandomized controlled trialsA2 agonistPharmacological interventionsADHD symptom severityIncreased tic severityPersistent tic disordersNetwork meta-analysisStandardized mean differencePairs of medicationsEfficacy of pharmacological interventionsWorsen ticsRandom-effects network meta-analysisSymptom severityTic disordersADHDMeta-analysisNetwork meta-analysis frameworkCertainty of evidenceDisordersNetwork meta-analyses
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
Phenomenology of Tics and Sensory Urges
Leckman J, Bloch M, Sukhodolsky D, Artukoğlu B, Scahill L, King R. Phenomenology of Tics and Sensory Urges. 2022, 6-25. DOI: 10.1093/med/9780197543214.003.0002.Peer-Reviewed Original ResearchMeta‐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
2019
The Potential of Cannabinoid-Based Treatments in Tourette Syndrome
Artukoglu BB, Bloch MH. The Potential of Cannabinoid-Based Treatments in Tourette Syndrome. CNS Drugs 2019, 33: 417-430. PMID: 30977108, DOI: 10.1007/s40263-019-00627-1.Peer-Reviewed Original ResearchConceptsTourette syndromeCannabinoid systemAdult populationPositive urine drug screenBiological rationaleCannabinoid-based treatmentsPotential of cannabinoidsTourette syndrome populationsPlacebo-controlled trialTreatment of ticsUrine drug screensNovel pharmacological treatmentsCannabis-derived compoundsStrong biological rationaleCurrent evidence baseComprehensive literature searchDevelopmental adverse effectsRefractory patientsSafety profilePharmacological treatmentClinical trialsTic disordersUncertain efficacyFurther trialsSyndrome population
2016
Commentary: Are alpha‐2 agonist really effective in children with tics with comorbid ADHD? A commentary on Whittington et al. (2016)
Bloch MH. Commentary: Are alpha‐2 agonist really effective in children with tics with comorbid ADHD? A commentary on Whittington et al. (2016). Journal Of Child Psychology And Psychiatry 2016, 57: 1005-1007. PMID: 27535650, DOI: 10.1111/jcpp.12592.Peer-Reviewed Original ResearchConceptsAlpha-2 agonistsComorbid ADHDComprehensive Behavioral InterventionAdrenergic receptor agonistAgonist medicationsAntipsychotic medicationReceptor agonistPrimary treatmentTic disordersSystematic reviewMedicationsBehavioral interventionsAgonistsEffects of ADHDEfficacyTreatmentADHDChildrenPossible explanationPatients
2015
Tic disorders
Leckman J, Bloch M. Tic disorders. 2015, 757-773. DOI: 10.1002/9781118381953.ch56.Peer-Reviewed Original ResearchPsychological processesCognitive-behavioral treatmentTourette syndromeEmotional processingCourse of developmentNeural mechanismsInhibitory controlBehavioral treatmentFirst-line interventionPathogenesis of TSEnvironmental influencesPathways of careTic disordersDelivery of careMotor regulationSensorimotor gatingTherapeutic algorithmClinical presentationDisordersRelated disordersTreatment trialsClinical expressionOrphan disorderExperienced cliniciansPathogenesis
2014
Clinical features of Tourette syndrome and tic disorders
Leckman JF, King RA, Bloch MH. Clinical features of Tourette syndrome and tic disorders. Journal Of Obsessive-Compulsive And Related Disorders 2014, 3: 372-379. PMID: 30197854, PMCID: PMC6124690, DOI: 10.1016/j.jocrd.2014.03.004.Peer-Reviewed Original ResearchTourette syndromeTic disordersLong-term clinical courseLong-term outcomesAge 10 yearsAttention deficit hyperactivity disorderCo-occurring conditionsClinical courseClinical featuresObsessive-compulsive disorderTic symptomsVisual-motor integrationVocal ticsPsychosocial stressMost childrenCourse of monthsLiterature searchRelevant articlesMotor integrationStereotyped movementsHyperactivity disorderEarly adulthoodDisordersNeurodevelopmental disordersSensory stimuli
2013
Phenomenology of Tics and Sensory Urges: The Self Under Siege
Leckman J, Bloch M, Sukhodolsky D, Scahill L, King R. Phenomenology of Tics and Sensory Urges: The Self Under Siege. 2013, 3-25. DOI: 10.1093/med/9780199796267.003.0001.Peer-Reviewed Original ResearchAcademic outcomesComorbid behavioral problemsNovel behavioral interventionKey phenomenological featuresCognitive domainsIrrelevant informationBehavioral problemsBehavioral interventionsPhenomenology of ticsTourette syndromeLong-term outcomesPhenomenological featuresTic expressionTic disordersEnvironmental contextReduced abilitySensory urgeOutside worldRelated disordersEducational objectivesPhenomenological spectrumTourette Syndrome and Tic Disorders
Williams K, Bloch M, State M, Pittenger C. Tourette Syndrome and Tic Disorders. 2013, 1048-1060. DOI: 10.1093/med/9780199934959.003.0079.Peer-Reviewed Original ResearchTourette syndromeTic disordersCortico-basal ganglia circuitryImmune-brain interactionPost-mortem findingsSubset of casesFunctional imaging studiesAttention deficit disorderObsessive-compulsive disorderVocal ticsDisorder pathophysiologySevere endImaging studiesDeficit disorderSpecific populationsDisordersSyndromeSensory phenomenaRecent findingsHeterogeneous genetic architecturePathophysiologyInterneuronsEtiologyAbnormalitiesFindings
2012
Clinical assessment of Tourette syndrome and tic disorders
Cohen SC, Leckman JF, Bloch MH. Clinical assessment of Tourette syndrome and tic disorders. Neuroscience & Biobehavioral Reviews 2012, 37: 997-1007. PMID: 23206664, PMCID: PMC3674220, DOI: 10.1016/j.neubiorev.2012.11.013.Peer-Reviewed Original ResearchConceptsTourette syndromeAttention deficit hyperactivity disorderObsessive-compulsive disorderTreatment of TSImpaired sensorimotor gatingPercent of childrenImpulse control disordersDeficit hyperactivity disorderSomatic hypersensitivityTic symptomsPhonic ticsPurposeless movementsTic disordersClinical assessmentSensorimotor gatingControl disordersProper diagnosisMuscle groupsPremonitory urgesNeuropsychiatric disordersHyperactivity disorderDisordersAppropriate evaluationSyndromeSensory phenomenaSystematic 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 ResearchRelationship of Dropout and Psychopathology in a High School Sample in Mexico
Chalita PJ, Palacios L, Cortes JF, Landeros-Weisenberger A, Panza KE, Bloch MH. Relationship of Dropout and Psychopathology in a High School Sample in Mexico. Frontiers In Psychiatry 2012, 3: 20. PMID: 22419912, PMCID: PMC3300101, DOI: 10.3389/fpsyt.2012.00020.Peer-Reviewed Original ResearchSelf-reported psychopathologyOdds ratioPsychiatric disordersPublic health interventionsChildhood psychiatric disordersChild psychiatric disordersSelf-reported psychiatric symptomsTic disordersPsychiatric symptomsHigh school educationBinomial logistic regressionHealth interventionsLogistic regression
2011
Recent advances in Tourette syndrome
Bloch M, State M, Pittenger C. Recent advances in Tourette syndrome. Current Opinion In Neurology 2011, 24: 119-125. PMID: 21386676, PMCID: PMC4065550, DOI: 10.1097/wco.0b013e328344648c.Peer-Reviewed Original ResearchPoor fine‐motor and visuospatial skills predict persistence of pediatric‐onset obsessive‐compulsive disorder into adulthood
Bloch MH, Sukhodolsky DG, Dombrowski PA, Panza KE, Craiglow BG, Landeros‐Weisenberger A, Leckman JF, Peterson BS, Schultz RT. Poor fine‐motor and visuospatial skills predict persistence of pediatric‐onset obsessive‐compulsive disorder into adulthood. Journal Of Child Psychology And Psychiatry 2011, 52: 974-983. PMID: 21244423, PMCID: PMC3625937, DOI: 10.1111/j.1469-7610.2010.02366.x.Peer-Reviewed Original ResearchConceptsLong-term outcomesVisual-motor integrationPoor long-term outcomesCox proportional hazards modelBeery-Buktenica TestPediatric-onset obsessive-compulsive disorderFine motor skill deficitsPurdue pegboard taskCourse of symptomsProportional hazards modelPurdue Pegboard TestComorbid tic disordersAge of onsetVisuospatial skillsFuture longitudinal studiesOCD symptomsFine motor skillsCases remitNonverbal memory performanceObsessive-compulsive disorderNeuropsychiatric deficitsTic disordersMAIN OUTCOMEPegboard TestNeuropsychological testing
2009
Clinical course of Tourette syndrome
Bloch MH, Leckman JF. Clinical course of Tourette syndrome. Journal Of Psychosomatic Research 2009, 67: 497-501. PMID: 19913654, PMCID: PMC3974606, DOI: 10.1016/j.jpsychores.2009.09.002.Peer-Reviewed Original ResearchConceptsTourette syndromeComorbid conditionsObsessive-compulsive disorderClinical courseLong-term clinical courseChildhood-onset neuropsychiatric disorderEarly adulthoodLong-term outcomesAttention deficit disorderTic symptomsDepressive disorderTic disordersVocal ticsGeneral populationNeuropsychiatric disordersLiterature searchRelevant articlesDisordersSyndromeChildrenAdulthood outcomesOne-thirdSymptomsTraditional literature searchThree-quartersPredictors of Early Adult Outcomes in Pediatric-Onset Obsessive-Compulsive Disorder
Bloch MH, Craiglow BG, Landeros-Weisenberger A, Dombrowski PA, Panza KE, Peterson BS, Leckman JF. Predictors of Early Adult Outcomes in Pediatric-Onset Obsessive-Compulsive Disorder. Pediatrics 2009, 124: 1085-1093. PMID: 19786445, PMCID: PMC3974608, DOI: 10.1542/peds.2009-0015.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge DistributionAge of OnsetChildChild, PreschoolCohort StudiesDisease ProgressionFemaleFollow-Up StudiesHumansIncidenceLongitudinal StudiesMaleMonitoring, PhysiologicMultivariate AnalysisObsessive-Compulsive DisorderPredictive Value of TestsProportional Hazards ModelsRisk FactorsSeverity of Illness IndexSex DistributionTic DisordersTime FactorsTourette SyndromeYoung AdultConceptsObsessive-compulsive disorderOCD symptomsBaseline clinical characteristicsPediatric-onset obsessive-compulsive disorderPersistent obsessive-compulsive disorderEarly adult outcomesLong-term outcomesMain outcome measuresLongitudinal cohort studyPercent of subjectsComorbid tic disordersOC symptomsHoarding symptomsAdult outcomesExperience remissionClinical characteristicsClinical predictorsCohort studyOppositional defiant disorderTic symptomsComorbid ticsEligible childrenTic disordersFemale genderOutcome measures
2008
Tic Disorders
Leckman J, Bloch M. Tic Disorders. 2008, 719-736. DOI: 10.1002/9781444300895.ch44.Peer-Reviewed Original Research