2022
Course of Tic Severity in Tourette Syndrome: The First Two Decades
Leckman J, Zhang H, Vitale A, Lahnin F, Lynch K, Bondi C, Kim Y, Peterson B. Course of Tic Severity in Tourette Syndrome: The First Two Decades. 2022, 80-85. DOI: 10.4324/9780203822937-8.Peer-Reviewed Original ResearchYears of ageDecades of lifeTic severityTourette syndromeTS patientsTic onsetClinical evaluationPrevalence studySeverity of ticsInitial clinical evaluationConsistent time courseTime courseHigh rateOnset of pubertyInitial followPatient's coursePrognostic valueYale Child Study CenterBirth-year cohortsPatientsNatural historySyndromeCurve analysisSeverityStudy centers
2009
Streptococcal Upper Respiratory Tract Infections and Psychosocial Stress Predict Future Tic and Obsessive-Compulsive Symptom Severity in Children and Adolescents with Tourette Syndrome and Obsessive-Compulsive Disorder
Lin H, Williams KA, Katsovich L, Findley DB, Grantz H, Lombroso PJ, King RA, Bessen DE, Johnson D, Kaplan EL, Landeros-Weisenberger A, Zhang H, Leckman JF. Streptococcal Upper Respiratory Tract Infections and Psychosocial Stress Predict Future Tic and Obsessive-Compulsive Symptom Severity in Children and Adolescents with Tourette Syndrome and Obsessive-Compulsive Disorder. Biological Psychiatry 2009, 67: 684-691. PMID: 19833320, PMCID: PMC2843763, DOI: 10.1016/j.biopsych.2009.08.020.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAnti-Bacterial AgentsAttention Deficit Disorder with HyperactivityChildDepressive DisorderFemaleForecastingHumansLife Change EventsMaleObsessive-Compulsive DisorderPredictive Value of TestsProspective StudiesPsychologyRespiratory Tract InfectionsSeverity of Illness IndexStreptococcal InfectionsTicsTourette SyndromeConceptsDepressive symptom severityObsessive-compulsive disorderGABHS infectionPsychosocial stressTourette syndromeSymptom severityControl subjectsStreptococcal upper respiratory tract infectionUpper respiratory tract infectionBeta-hemolytic streptococcal infectionCurrent psychosocial stressRespiratory tract infectionsHealthy control subjectsProspective longitudinal studyEarly-onset obsessive-compulsive disorderMinority of childrenOC symptom severityTract infectionsStreptococcal infectionGABHS infectionsObsessive-compulsive symptom severityClinical ratingsNew infectionsClinical ratersControl status
2006
Psychosocial stress predicts future symptom severities in children and adolescents with Tourette syndrome and/or obsessive‐compulsive disorder
Lin H, Katsovich L, Ghebremichael M, Findley DB, Grantz H, Lombroso PJ, King RA, Zhang H, Leckman JF. Psychosocial stress predicts future symptom severities in children and adolescents with Tourette syndrome and/or obsessive‐compulsive disorder. Journal Of Child Psychology And Psychiatry 2006, 48: 157-166. PMID: 17300554, PMCID: PMC3073143, DOI: 10.1111/j.1469-7610.2006.01687.x.Peer-Reviewed Original ResearchConceptsDepressive symptom severityFuture depressive symptomsHealthy control subjectsObsessive-compulsive disorderDepressive symptomsPsychosocial stressTourette syndromeSymptom severityControl subjectsLong-term contextual threatSeverity of ticsProspective longitudinal studyChronological ageIndependent predictorsOC symptomsTic severityOC symptom severityPsychosocial adversitySymptomsFuture symptom severityClinician ratingsSeverityParental reportsSignificant predictorsLongitudinal studyAdulthood Outcome of Tic and Obsessive-Compulsive Symptom Severity in Children With Tourette Syndrome
Bloch MH, Peterson BS, Scahill L, Otka J, Katsovich L, Zhang H, Leckman JF. Adulthood Outcome of Tic and Obsessive-Compulsive Symptom Severity in Children With Tourette Syndrome. JAMA Pediatrics 2006, 160: 65-69. PMID: 16389213, PMCID: PMC2291298, DOI: 10.1001/archpedi.160.1.65.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdrenergic alpha-AgonistsAdultAntipsychotic AgentsAttention Deficit Disorder with HyperactivityBipolar DisorderChildDepressive DisorderFemaleFollow-Up StudiesHumansIntelligence TestsMaleObsessive-Compulsive DisorderProspective StudiesSchizophreniaSelective Serotonin Reuptake InhibitorsSeverity of Illness IndexTic DisordersTourette SyndromeConceptsTic symptomsTourette syndromeTic severitySymptom severityObsessive-compulsive disorderBaseline clinical measurementsChildhood-onset neuropsychiatric disorderOCD symptomsPercent of patientsProspective cohort studyPercent of subjectsOutpatient specialty clinicsThird of childrenThird of adultsAge 14 yearsStructured clinical evaluationCohort studyClinical courseComplete resolutionClinical evaluationPhonic ticsSpecialty clinicFollow-up interviewObsessive-compulsive symptom severityAverage age
2005
Increased serum levels of interleukin-12 and tumor necrosis factor-alpha in Tourette’s syndrome
Leckman JF, Katsovich L, Kawikova I, Lin H, Zhang H, Krönig H, Morshed S, Parveen S, Grantz H, Lombroso PJ, King RA. Increased serum levels of interleukin-12 and tumor necrosis factor-alpha in Tourette’s syndrome. Biological Psychiatry 2005, 57: 667-673. PMID: 15780855, DOI: 10.1016/j.biopsych.2004.12.004.Peer-Reviewed Original ResearchConceptsEarly-onset obsessive-compulsive disorderObsessive-compulsive disorderSymptom exacerbationInterleukin-12Control subjectsImmune responseTourette syndromeTumor necrosis factor-alpha concentrationsNecrosis factor-alpha concentrationsAge-matched control subjectsInvolvement of innateLocal cytokine synthesisT cell immunityHumoral immune responseCentral nervous systemInnate immune responseLongitudinal studyProspective longitudinal studyT cell activationCell immunitySerum levelsPediatric populationCommon infectionsSerum concentrationsInflammatory process
2003
Development of the Yale Children’s Global Stress Index (YCGSI) and Its Application in Children and Adolescents With Tourette’s Syndrome and Obsessive-Compulsive Disorder
FINDLEY DB, LECKMAN JF, KATSOVICH L, LIN H, ZHANG H, GRANTZ H, OTKA J, LOMBROSO PJ, KING RA. Development of the Yale Children’s Global Stress Index (YCGSI) and Its Application in Children and Adolescents With Tourette’s Syndrome and Obsessive-Compulsive Disorder. Journal Of The American Academy Of Child & Adolescent Psychiatry 2003, 42: 450-457. PMID: 12649632, DOI: 10.1097/01.chi.0000046816.95464.ef.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderTourette syndromeDaily Life Stressors ScalePsychosocial stressAge-matched control subjectsClinician ratingsClinical rating instrumentGlobal clinician ratingsTime pointsGlobal Stress IndexCross-sectional ratingsEarly-onset obsessive-compulsive disorderPsychometric propertiesControl subjectsClinical severityObsessive-compulsive symptom severityStudy of childrenAcceptable psychometric propertiesStress indexSymptom severitySyndromePossible differential contributionInterrater reliabilityStressor ScaleDisordersBasal Ganglia Volumes in Patients With Gilles de la Tourette Syndrome
Peterson BS, Thomas P, Kane MJ, Scahill L, Zhang H, Bronen R, King RA, Leckman JF, Staib L. Basal Ganglia Volumes in Patients With Gilles de la Tourette Syndrome. JAMA Psychiatry 2003, 60: 415-424. PMID: 12695320, DOI: 10.1001/archpsyc.60.4.415.Peer-Reviewed Original ResearchConceptsBasal ganglia volumesBasal gangliaCaudate nucleus volumeTourette syndromeGanglia volumesObsessive-compulsive disorderLenticular nucleus volumesTic symptomsNucleus volumeGilles dePathophysiology of TSPrior neuroleptic exposureHealthy control subjectsSeverity of ticsComorbid obsessive-compulsive disorderGreat clinical relevanceAttention-deficit/hyperactivity disorder (ADHD) symptomsHyperactivity disorder symptomsRepeated-measures analysisNeuroleptic exposureControl subjectsFunctional disturbancesTrait abnormalityClinical relevanceGangliaDisruptive Behavior in Children With Tourette's Syndrome: Association With ADHD Comorbidity, Tic Severity, and Functional Impairment
SUKHODOLSKY DG, SCAHILL L, ZHANG H, PETERSON BS, KING RA, LOMBROSO PJ, KATSOVICH L, FINDLEY D, LECKMAN JF. Disruptive Behavior in Children With Tourette's Syndrome: Association With ADHD Comorbidity, Tic Severity, and Functional Impairment. Journal Of The American Academy Of Child & Adolescent Psychiatry 2003, 42: 98-105. PMID: 12500082, DOI: 10.1097/00004583-200301000-00016.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderComorbid attention-deficit/hyperactivity disorderDisruptive behaviorFamily functioningParent ratingsTeacher ratingsDiagnosis of ADHDVineland Adaptive Behavior ScalesDisruptive behavior problemsHierarchical regression analysisAdaptive Behavior ScalesBest-estimate DSM-IV diagnosesUnaffected control childrenTourette syndromeConduct problemsDelinquency scoresHyperactivity disorderADHD comorbidityDelinquent behaviorBehavior problemsDSM-IV diagnosisDependent measuresDiagnostic statusBehavior ScaleFunctional impairment
2001
Antibodies against neural, nuclear, cytoskeletal, and streptococcal epitopes in children and adults with Tourette’s syndrome, Sydenham’s chorea, and autoimmune disorders
Morshed S, Parveen S, Leckman J, Mercadante M, Kiss M, Miguel E, Arman A, Yazgan Y, Fujii T, Paul S, Peterson B, Zhang H, King R, Scahill L, Lombroso P. Antibodies against neural, nuclear, cytoskeletal, and streptococcal epitopes in children and adults with Tourette’s syndrome, Sydenham’s chorea, and autoimmune disorders. Biological Psychiatry 2001, 50: 566-577. PMID: 11690591, DOI: 10.1016/s0006-3223(01)01096-4.Peer-Reviewed Original ResearchConceptsTotal antinuclear antibodiesAntinuclear antibodiesAutoimmune disordersTourette syndromeAnticytoskeletal antibodiesAntineural antibodiesStreptococcal infectionT patientsTS patientsBeta-hemolytic streptococcal infectionPrior streptococcal infectionHemolytic streptococcal infectionAntistreptolysin O titerIndirect immunofluorescent assayLevels of immunoreactivityWestern blot techniqueMean rankClinical characteristicsSydenham's choreaO titerPatient groupSC patientsIgG antibodiesIgG classNormal controlsThermal Sensitivity in Tourette Syndrome: Preliminary Report
Scahill L, Lombroso P, Mack G, Van Wattum P, Zhang H, Vitale A, Leckman J. Thermal Sensitivity in Tourette Syndrome: Preliminary Report. Perceptual And Motor Skills 2001, 92: 419-432. PMID: 11361302, DOI: 10.2466/pms.2001.92.2.419.Peer-Reviewed Original ResearchConceptsTourette syndromeSubgroup of patientsAge of onsetAdult male subjectsCurrent ageTic symptomsDopaminergic pathwaysSex distributionCurrent severityMale subjectsMean differenceSyndromeControl periodPreliminary reportSweat rateAgeSymptomsSubjectsOverall courseDegrees COnsetPatientsIllnessSeverityCourse
1998
A Double-Blind, Placebo-Controlled, Crossover Trial of an Antiandrogen in the Treatment of Tourette's Syndrome
Peterson B, Zhang H, Anderson G, Leckman J. A Double-Blind, Placebo-Controlled, Crossover Trial of an Antiandrogen in the Treatment of Tourette's Syndrome. Journal Of Clinical Psychopharmacology 1998, 18: 324-331.. PMID: 9690699, DOI: 10.1097/00004714-199808000-00013.Peer-Reviewed Original ResearchConceptsAndrogen receptor blockadeReceptor blockadeCrossover trialHormone levelsSyndrome patientsSelective androgen receptor antagonistAdult TS subjectsTreatment of ticsTourette syndrome patientsTic symptom severitySerious side effectsAndrogen receptor antagonistSymptom severity ratingsTS prevalenceClinic visitsFlutamide administrationEndocrine findingsObsessive-compulsive disorderReceptor antagonistAndrogen receptorPhysiologic compensationTherapeutic effectPhysiologic mechanismsSide effectsTourette syndromeCourse of Tic Severity in Tourette Syndrome: The First Two Decades
Leckman J, Zhang H, Vitale A, Lahnin F, Lynch K, Bondi C, Kim Y, Peterson B. Course of Tic Severity in Tourette Syndrome: The First Two Decades. Pediatrics 1998, 102: 14-19. PMID: 9651407, DOI: 10.1542/peds.102.1.14.Peer-Reviewed Original ResearchConceptsYears of ageTic severityTS patientsTourette syndromeSeverity of ticsInitial clinical evaluationDecades of lifeConsistent time courseOnset of pubertyPatient's coursePrognostic valueTic onsetYale Child Study CenterClinical evaluationBirth-year cohortsPrevalence studyPatientsSeverityStudy centersChild Study CenterIdentification of factorsSevere levelsAgeProgressive patternSyndromeA Functional Magnetic Resonance Imaging Study of Tic Suppression in Tourette Syndrome
Peterson BS, Skudlarski P, Anderson AW, Zhang H, Gatenby JC, Lacadie CM, Leckman JF, Gore JC. A Functional Magnetic Resonance Imaging Study of Tic Suppression in Tourette Syndrome. JAMA Psychiatry 1998, 55: 326-333. PMID: 9554428, DOI: 10.1001/archpsyc.55.4.326.Peer-Reviewed Original ResearchConceptsTic suppressionTourette syndromeTic symptomsBasal gangliaPathogenesis of ticsVoluntary tic suppressionMagnetic resonance imaging studyResonance imaging studyFunctional magnetic resonance imaging studySubcortical neural circuitsFunctional magnetic resonance imagingMagnetic resonance imagingConnected cortical regionsRegional signal changesImpaired modulationSignal changesFunctional debilityNeuronal activityResonance imagingAdult subjectsImaging studiesCortical regionsNeuropsychiatric disordersNeural circuitsSyndromeVisual–Motor Integration Functioning in Children With Tourette Syndrome
Schultz RT, Carter AS, Gladstone M, Scahill L, Leckman JF, Peterson BS, Zhang H, Cohen DJ, Pauls D. Visual–Motor Integration Functioning in Children With Tourette Syndrome. Neuropsychology 1998, 12: 134-145. PMID: 9460741, DOI: 10.1037/0894-4105.12.1.134.Peer-Reviewed Original ResearchConceptsTourette syndromeVisual-Motor Integration TestBeery Visual-Motor Integration TestUnaffected control childrenVisual-motor integration skillsVMI scoresControl childrenMotor outputMotor integrationDiagnostic group differencesGroup differencesSignificant predictorsChildrenSyndromeVisual inputNeuropsychological weaknesses