2024
An evaluation of treatment response and remission definitions in adult obsessive-compulsive disorder: A systematic review and individual-patient data meta-analysis
Ramakrishnan D, Farhat L, Vattimo E, Levine J, Johnson J, Artukoglu B, Landeros-Weisenberger A, Zangen A, Pelissolo A, de B Pereira C, Rück C, Costa D, Mataix-Cols D, Shannahoff-Khalsa D, Tolin D, Zarean E, Meyer E, Hawken E, Storch E, Andersson E, Miguel E, Maina G, Leckman J, Sarris J, March J, Diniz J, Kobak K, Mallet L, Vulink N, Amiaz R, Fernandes R, Shavitt R, Wilhelm S, Golshan S, Tezenas du Montcel S, Erzegovesi S, Baruah U, Greenberg W, Kobayashi Y, Bloch M. An evaluation of treatment response and remission definitions in adult obsessive-compulsive disorder: A systematic review and individual-patient data meta-analysis. Journal Of Psychiatric Research 2024, 173: 387-397. PMID: 38598877, DOI: 10.1016/j.jpsychires.2024.03.044.Peer-Reviewed Original ResearchConceptsYale-Brown Obsessive-Compulsive ScaleObsessive-compulsive disorderCGI-IRandomized-controlled trialsAdult obsessive-compulsive disorderClinical Global Impression ImprovementObsessive-Compulsive ScaleTreatment responseIndividual-patient data meta-analysisPosttreatment scoresEvaluation of treatment responseMeta-analysis of randomized-controlled trialsFirst-line therapyCGIIndividual participant dataMeta-analysisNovel treatment modalitiesExpert consensusIndividual participant data meta-analysisSystematic reviewDisordersData meta-analysisPosttreatmentRemission definitionsImpressive improvement
2023
Cognitive training for children with ADHD: composite cognitive score outcome in a randomized controlled trial
Bikic A, Dalsgaard S, Pittman B, Leckman J, Wexler B. Cognitive training for children with ADHD: composite cognitive score outcome in a randomized controlled trial. Nordic Journal Of Psychiatry 2023, 78: 87-91. PMID: 37905332, DOI: 10.1080/08039488.2023.2270954.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderCognitive trainingDeficit/hyperactivity disorderComposite cognition scoreSessions of trainingCognitive functioningHyperactivity disorderCognitive improvementCognition scoresTraining sessionsMixed resultsFrequency of trainingTrainingChildrenSessionsIntervention groupCognitionInterventionFunctioningPost Hoc AnalysisScore outcomesControl groupPrevious studiesDisordersOutcomesFunctional connectivity during tic suppression predicts reductions in vocal tics following behavior therapy in children with Tourette syndrome
Morand-Beaulieu S, Crowley M, Grantz H, Leckman J, Sukhodolsky D. Functional connectivity during tic suppression predicts reductions in vocal tics following behavior therapy in children with Tourette syndrome. Psychological Medicine 2023, 53: 7857-7864. PMID: 37485677, PMCID: PMC10755221, DOI: 10.1017/s0033291723001940.Peer-Reviewed Original ResearchConceptsVoluntary tic suppressionTic suppressionVocal tic severityFunctional connectivityTic severityTourette syndromeRight superior frontal gyrusFirst-line treatmentBehavior therapyComprehensive Behavioral InterventionSuperior frontal gyrusRight angular gyrusVocal ticsFunctional brain networksBehavioral interventionsUsual control conditionFrontal gyrusBaselineAngular gyrusSeverityBrain networksSyndromeChildrenTherapyGyrus
2022
Mispatterning and interneuron deficit in Tourette Syndrome basal ganglia organoids
Brady M, Mariani J, Koca Y, Szekely A, King R, Bloch M, Landeros-Weisenberger A, Leckman J, Vaccarino F. Mispatterning and interneuron deficit in Tourette Syndrome basal ganglia organoids. Molecular Psychiatry 2022, 27: 5007-5019. PMID: 36447010, PMCID: PMC9949887, DOI: 10.1038/s41380-022-01880-5.Peer-Reviewed Original ResearchConceptsTourette syndromeInterneuron deficitsGABAergic interneuronsHealthy controlsNeurodevelopmental underpinningsNeuropathological deficitsBG circuitryNeuropsychiatric disordersDecreased differentiationT patientsInterneuronsAltered expressionPotential mechanismsCilia disruptionSonic hedgehogOrganoidsStem cellsTS individualsPluripotent stem cellsGli transcription factorsDeficitsOrganoid differentiationEarly stagesCholinergicPatients
2021
Synaptic processes and immune-related pathways implicated in Tourette syndrome
Tsetsos F, Yu D, Sul JH, Huang AY, Illmann C, Osiecki L, Darrow SM, Hirschtritt ME, Greenberg E, Muller-Vahl KR, Stuhrmann M, Dion Y, Rouleau GA, Aschauer H, Stamenkovic M, Schlögelhofer M, Sandor P, Barr CL, Grados MA, Singer HS, Nöthen MM, Hebebrand J, Hinney A, King RA, Fernandez TV, Barta C, Tarnok Z, Nagy P, Depienne C, Worbe Y, Hartmann A, Budman CL, Rizzo R, Lyon GJ, McMahon WM, Batterson JR, Cath DC, Malaty IA, Okun MS, Berlin C, Woods DW, Lee PC, Jankovic J, Robertson MM, Gilbert DL, Brown LW, Coffey BJ, Dietrich A, Hoekstra PJ, Kuperman S, Zinner SH, Wagner M, Knowles JA, Jeremy Willsey A, Tischfield JA, Heiman GA, Cox NJ, Freimer NB, Neale BM, Davis LK, Coppola G, Mathews CA, Scharf JM, Paschou P, Barr C, Batterson J, Berlin C, Budman C, Cath D, Coppola G, Cox N, Darrow S, Davis L, Dion Y, Freimer N, Grados M, Greenberg E, Hirschtritt M, Huang A, Illmann C, King R, Kurlan R, Leckman J, Lyon G, Malaty I, Mathews C, McMahon W, Neale B, Okun M, Osiecki L, Robertson M, Rouleau G, Sandor P, Scharf J, Singer H, Smit J, Sul J, Yu D, Aschauer H, Barta C, Budman C, Cath D, Depienne C, Hartmann A, Hebebrand J, Konstantinidis A, Mathews C, Müller-Vahl K, Nagy P, Nöthen M, Paschou P, Rizzo R, Rouleau G, Sandor P, Scharf J, Schlögelhofer M, Stamenkovic M, Stuhrmann M, Tsetsos F, Tarnok Z, Wolanczyk T, Worbe Y, Brown L, Cheon K, Coffey B, Dietrich A, Fernandez T, Garcia-Delgar B, Gilbert D, Grice D, Hagstrøm J, Hedderly T, Heiman G, Heyman I, Hoekstra P, Huyser C, Kim Y, Kim Y, King R, Koh Y, Kook S, Kuperman S, Leventhal B, Madruga-Garrido M, Mir P, Morer A, Münchau A, Plessen K, Roessner V, Shin E, Song D, Song J, Tischfield J, Willsey A, Zinner S, Aschauer H, Barr C, Barta C, Batterson J, Berlin C, Brown L, Budman C, Cath D, Coffey B, Coppola G, Cox N, Darrow S, Davis L, Depienne C, Dietrich A, Dion Y, Fernandez T, Freimer N, Gilbert D, Grados M, Greenberg E, Hartmann A, Hebebrand J, Heiman G, Hirschtritt M, Hoekstra P, Huang A, Illmann C, Jankovic J, King R, Kuperman S, Lee P, Lyon G, Malaty I, Mathews C, McMahon W, Müller-Vahl K, Nagy P, Neale B, Nöthen M, Okun M, Osiecki L, Paschou P, Rizzo R, Robertson M, Rouleau G, Sandor P, Scharf J, Schlögelhofer M, Singer H, Stamenkovic M, Stuhrmann M, Sul J, Tarnok Z, Tischfield J, Tsetsos F, Willsey A, Woods D, Worbe Y, Yu D, Zinner S. Synaptic processes and immune-related pathways implicated in Tourette syndrome. Translational Psychiatry 2021, 11: 56. PMID: 33462189, PMCID: PMC7814139, DOI: 10.1038/s41398-020-01082-z.Peer-Reviewed Original ResearchConceptsLigand-gated ion channelsGene setsCell adhesionGenome-wide analysisComplex genetic architectureGenome-wide genotypic dataIon channelsSet of genesIndividual-level genotype dataSignificant gene setsAncestry-matched controlsParticular cell typeGenetic architectureImmune-related pathwaysSignaling processesGenotypic dataMAGMA analysisGenotype dataCell typesGenesIndication of involvementTS pathogenesisAdhesion moleculesGlial functionNew insights
2020
Pathways to a more peaceful and sustainable world: The transformative power of children in families
Britto PR, Hanöz-Penney S, Ponguta LA, Sunar D, Issa G, Hein SD, do Rosário MC, Almuneef MA, Korucu I, Togo Y, Kurbonov J, Choibekov N, Phan HTT, Fallon NS, Artukoğlu BB, Hartl FJ, Salah R, Fitzpatrick S, Connolly P, Dunne L, Miller S, Pruett K, Leckman JF. Pathways to a more peaceful and sustainable world: The transformative power of children in families. Development And Psychopathology 2020, 33: 409-420. PMID: 32935656, DOI: 10.1017/s0954579420000681.Peer-Reviewed Original ResearchManifesto for new directions in developmental science
Barbot B, Hein S, Trentacosta C, Beckmann JF, Bick J, Crocetti E, Liu Y, Rao SF, Liew J, Overbeek G, Ponguta LA, Scheithauer H, Super C, Arnett J, Bukowski W, Cook TD, Côté J, Eccles JS, Eid M, Hiraki K, Johnson M, Juang L, Landi N, Leckman J, McCardle P, Mulvey KL, Piquero AR, Preiss DD, Siegler R, Soenens B, Yousafzai AK, Bornstein MH, Cooper CR, Goossens L, Harkness S, van IJzendoorn M. Manifesto for new directions in developmental science. New Directions For Child And Adolescent Development 2020, 2020: 135-149. PMID: 32960503, DOI: 10.1002/cad.20359.Peer-Reviewed Original ResearchAn examination of the relationship between regulatory T cells and symptom flare-ups in children and adolescents diagnosed with chronic tic disorder and Tourette syndrome
Yildirim Z, Karabekiroglu K, Yildiran A, Celiksoy MH, Artukoglu B, Baykal S, Babadağı Z, Leckman J. An examination of the relationship between regulatory T cells and symptom flare-ups in children and adolescents diagnosed with chronic tic disorder and Tourette syndrome. Nordic Journal Of Psychiatry 2020, 75: 18-24. PMID: 32580599, DOI: 10.1080/08039488.2020.1779808.Peer-Reviewed Original ResearchConceptsTS/chronic tic disorderChronic tic disorderSex-matched healthy controlsModerate-severe groupHealthy controlsLymphocyte countTourette syndromeLymphocyte percentagePatient groupTic disordersHC groupControl groupT-helper lymphocyte countYale Global Tic Severity ScaleT helper (TH) (CD4) numberT-lymphocyte countsT lymphocyte numbersT-lymphocyte percentageRegulatory T cellsT cell valuesTic Severity ScaleTreg percentageChildhood-onset neurodevelopmental disorderLymphocyte numbersPhonic ticsAntibodies From Children With PANDAS Bind Specifically to Striatal Cholinergic Interneurons and Alter Their Activity
Xu J, Liu RJ, Fahey S, Frick L, Leckman J, Vaccarino F, Duman RS, Williams K, Swedo S, Pittenger C. Antibodies From Children With PANDAS Bind Specifically to Striatal Cholinergic Interneurons and Alter Their Activity. American Journal Of Psychiatry 2020, 178: 48-64. PMID: 32539528, PMCID: PMC8573771, DOI: 10.1176/appi.ajp.2020.19070698.Peer-Reviewed Original ResearchConceptsStriatal cholinergic interneuronsCholinergic interneuronsMouse brain slicesObsessive-compulsive disorderControl subjectsBrain slicesPediatric autoimmune neuropsychiatric disordersIntravenous immunoglobulin treatmentAutoimmune neuropsychiatric disordersAcute mouse brain slicesParvalbumin-expressing GABAergic interneuronsPediatric obsessive-compulsive disorderBrain antigensImmunoglobulin treatmentBaseline serumStreptococcal infectionCritical cellular targetsSymptom improvementGABAergic interneuronsInduced autoimmunityIgG antibodiesMouse slicesIndependent cohortBehavioral pathologyNeuron typesEffects of the Global Coronavirus Disease-2019 Pandemic on Early Childhood Development: Short- and Long-Term Risks and Mitigating Program and Policy Actions
Yoshikawa H, Wuermli AJ, Britto PR, Dreyer B, Leckman JF, Lye SJ, Ponguta LA, Richter LM, Stein A. Effects of the Global Coronavirus Disease-2019 Pandemic on Early Childhood Development: Short- and Long-Term Risks and Mitigating Program and Policy Actions. The Journal Of Pediatrics 2020, 223: 188-193. PMID: 32439312, PMCID: PMC7234941, DOI: 10.1016/j.jpeds.2020.05.020.Peer-Reviewed Original ResearchMeSH KeywordsBetacoronavirusChildChild DevelopmentChild MortalityChild WelfareCommunicable Disease ControlCoronavirus InfectionsCOVID-19CrowdingEconomicsFemaleGlobal HealthHealth BehaviorHumansMaternal HealthMaternal MortalityMental HealthPandemicsParentsPneumonia, ViralPregnancyPrenatal Exposure Delayed EffectsResource AllocationSARS-CoV-2Stress, PsychologicalThe prevalence of behavioral and emotional problems among Chinese school children and adolescents aged 6–16: a national survey
Cui Y, Li F, Leckman JF, Guo L, Ke X, Liu J, Zheng Y, Li Y. The prevalence of behavioral and emotional problems among Chinese school children and adolescents aged 6–16: a national survey. European Child & Adolescent Psychiatry 2020, 30: 233-241. PMID: 32172341, DOI: 10.1007/s00787-020-01507-6.Peer-Reviewed Original ResearchConceptsChild Behavior ChecklistEmotional problemsMental health providersNational surveyChinese school childrenLong-term benefitsAchenbach Child Behavior ChecklistHigh prevalenceLarge cohortPediatric psychiatristHealth providersMental disordersMultistage clusterPrevalenceCohortMental healthCBCL scoresOlder cohortBehavior ChecklistYounger cohortsChildrenMaternal perceptions of father involvement among refugee and disadvantaged families in Beirut, Lebanon
Hein S, Bick J, Issa G, Aoude L, Maalouf C, Awar A, Nourallah S, Zonderman AL, Householder S, Katsovich L, Khoshnood K, Moore C, Salah R, Britto PR, Leckman JF, Ponguta LA. Maternal perceptions of father involvement among refugee and disadvantaged families in Beirut, Lebanon. PLOS ONE 2020, 15: e0229670. PMID: 32134961, PMCID: PMC7058288, DOI: 10.1371/journal.pone.0229670.Peer-Reviewed Original ResearchAn integrated program of computer-presented and physical cognitive training exercises for children with attention-deficit/hyperactivity disorder
Wexler BE, Vitulano LA, Moore C, Katsovich L, Smith SD, Rush C, Grantz H, Dong J, Leckman JF. An integrated program of computer-presented and physical cognitive training exercises for children with attention-deficit/hyperactivity disorder. Psychological Medicine 2020, 51: 1524-1535. PMID: 32090720, DOI: 10.1017/s0033291720000288.Peer-Reviewed Original ResearchConceptsAttention deficit hyperactivity disorderExperimental medicine approachTAU groupMedicine approachHyperactivity disorderWeeks of treatmentCombined subtypeDiagnosis of ADHDClinical trial designHyperactive-impulsive subtypeAttention-deficit/hyperactivity disorderCross-over designDeficit hyperactivity disorderClinical improvementClinical symptomsRandomized crossCognitive dysfunctionCT groupPathophysiological heterogeneityCONSORT recommendationsTrial designResponse rateChange scoresSubtypesTargeted pathologyRisk factors for obsessive–compulsive symptoms. Follow-up of a community-based youth cohort
Macul Ferreira de Barros P, do Rosário MC, Szejko N, Polga N, Requena GL, Ravagnani B, Fatori D, Batistuzzo MC, Hoexter MQ, Rohde LA, Polanczyk GV, Leckman JF, Miguel EC, de Alvarenga PG. Risk factors for obsessive–compulsive symptoms. Follow-up of a community-based youth cohort. European Child & Adolescent Psychiatry 2020, 30: 89-104. PMID: 32076869, DOI: 10.1007/s00787-020-01495-7.Peer-Reviewed Original ResearchConceptsObsessive-compulsive symptomsRisk factorsAbsence of breastfeedingOCS scoresBaseline anxiety disordersPotential risk factorsLarge community cohortLow socioeconomic statusRegression analysisMental health assessmentMaternal stress levelsLower intelligence quotientCommunity cohortChildhood adversityLower ageHigher OCS scoresAnxiety disordersPsychopathological factorsSocioeconomic statusGenetic factorsSignificant predictorsBaselineHealth assessmentScoresAgeEffects of the Mother-Child Education Program on Parenting Stress and Disciplinary Practices Among Refugee and Other Marginalized Communities in Lebanon: A Pilot Randomized Controlled Trial
Ponguta LA, Issa G, Aoudeh L, Maalouf C, Hein SD, Zonderman AL, Katsovich L, Khoshnood K, Bick J, Awar A, Nourallah S, Householder S, Moore CC, Salah R, Britto PR, Leckman JF. Effects of the Mother-Child Education Program on Parenting Stress and Disciplinary Practices Among Refugee and Other Marginalized Communities in Lebanon: A Pilot Randomized Controlled Trial. Journal Of The American Academy Of Child & Adolescent Psychiatry 2020, 59: 727-738. PMID: 32014538, DOI: 10.1016/j.jaac.2019.12.010.Peer-Reviewed Original ResearchConceptsMother-Child Education ProgramIntervention groupWait-list control groupGroup-based interventionPost-intervention dataStress Index-Short FormModified intentionParenting Stress Index-Short FormIndex-Short FormUnderpowered analysesControl groupMother-child dyadsProgram attendanceEducation programsPilot studyEarly childhoodOutcomesTrialsHumanitarian settingsInterventionMultiple imputationMothersParenting stressChildrenChild outcomes
2019
Implementation Evaluation of the Mother‐Child Education Program Among Refugee and Other Vulnerable Communities in Lebanon
Ponguta LA, Issa G, Aoudeh L, Maalouf C, Nourallah S, Khoshnood K, Zonderman AL, Katsovich L, Moore C, Salah R, Al‐Soleiti M, Britto PR, Leckman JF. Implementation Evaluation of the Mother‐Child Education Program Among Refugee and Other Vulnerable Communities in Lebanon. New Directions For Child And Adolescent Development 2019, 2019: 91-116. PMID: 31509332, DOI: 10.1002/cad.20314.Peer-Reviewed Original ResearchConceptsMother-Child Education ProgramEarly childhood parenting programsEarly life adversityImplementation evaluationProgram uptakeParental knowledgeEarly childhood development programsEducation programsParenting ProgramChildhood development programsLow-income communitiesVulnerable settingsRCTsTrialsEvaluationRandomized, 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 interventionEffects of Integrated Brain, Body, and Social (IBBS) intervention on ERP measures of attentional control in children with ADHD
Smith SD, Crowley MJ, Ferrey A, Ramsey K, Wexler BE, Leckman JF, Sukhodolsky DG. Effects of Integrated Brain, Body, and Social (IBBS) intervention on ERP measures of attentional control in children with ADHD. Psychiatry Research 2019, 278: 248-257. PMID: 31233935, PMCID: PMC6637759, DOI: 10.1016/j.psychres.2019.06.021.Peer-Reviewed Original ResearchConceptsBehavioral measuresAttentional controlIntegrated brainGo/No-Go taskGo-P3 latencySlower reaction timesSocial interventionsRobust treatment effectAttentional systemADHD groupERP measuresDifference waveP3 latencyBrain activityADHDTAU groupEEG proceduresHealthy controlsHC groupReaction timeReplication purposesERPTreatment effectsChildrenSecondary goalThe 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
Obsessive-Compulsive Symptomatology in Community Youth: Typical Development or a Red Flag for Psychopathology?
Barzilay R, Patrick A, Calkins ME, Moore TM, Wolf DH, Benton TD, Leckman JF, Gur RC, Gur RE. Obsessive-Compulsive Symptomatology in Community Youth: Typical Development or a Red Flag for Psychopathology? Journal Of The American Academy Of Child & Adolescent Psychiatry 2018, 58: 277-286.e4. PMID: 30738554, DOI: 10.1016/j.jaac.2018.06.038.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderMajor psychiatric conditionsObsessive-compulsive symptomsPsychiatric conditionsAssociation of OCSStructured psychiatric interviewSerious psychopathologyRed flagsSuicide ideationMental health helpDepressive episodePsychiatric evaluationPsychiatric interviewLifetime diagnosisPhiladelphia Neurodevelopmental CohortSymptomsSubstantial associationCommunity youthOCS symptomsFemale participantsHigh rateNeurodevelopmental CohortOCD criteriaPsychosisPhenotypic heterogeneity