2020
Risk 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 assessmentScoresAge
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 heterogeneityEfficacy and Safety of Deep Brain Stimulation in Tourette Syndrome: The International Tourette Syndrome Deep Brain Stimulation Public Database and Registry
Martinez-Ramirez D, Jimenez-Shahed J, Leckman JF, Porta M, Servello D, Meng FG, Kuhn J, Huys D, Baldermann JC, Foltynie T, Hariz MI, Joyce EM, Zrinzo L, Kefalopoulou Z, Silburn P, Coyne T, Mogilner AY, Pourfar MH, Khandhar SM, Auyeung M, Ostrem JL, Visser-Vandewalle V, Welter ML, Mallet L, Karachi C, Houeto JL, Klassen BT, Ackermans L, Kaido T, Temel Y, Gross RE, Walker HC, Lozano AM, Walter BL, Mari Z, Anderson WS, Changizi BK, Moro E, Zauber SE, Schrock LE, Zhang JG, Hu W, Rizer K, Monari EH, Foote KD, Malaty IA, Deeb W, Gunduz A, Okun MS. Efficacy and Safety of Deep Brain Stimulation in Tourette Syndrome: The International Tourette Syndrome Deep Brain Stimulation Public Database and Registry. JAMA Neurology 2018, 75: 353-359. PMID: 29340590, PMCID: PMC5885852, DOI: 10.1001/jamaneurol.2017.4317.Peer-Reviewed Original ResearchConceptsDeep brain stimulationGlobus pallidus internusTourette syndromeDBS implantationBrain stimulationAdverse eventsOutcome of DBSSafety of DBSYale Global Tic Severity Scale (YGTSS) scoresPosterior globus pallidus internusOverall adverse event rateYale Global Tic Severity ScaleStimulation-induced adverse effectsMedically refractory symptomsImportant adverse eventsAdverse event ratesRefractory Tourette syndromeSeverity Scale scoreTic Severity ScaleSelf-injurious behaviorRefractory symptomsSymptomatic improvementIntracranial hemorrhageObsessive-compulsive disorderInternal capsule
2017
De Novo Coding Variants Are Strongly Associated with Tourette Disorder
Willsey AJ, Fernandez TV, Yu D, King RA, Dietrich A, Xing J, Sanders SJ, Mandell JD, Huang AY, Richer P, Smith L, Dong S, Samocha KE, Genetics T, Abdulkadir M, Bohnenpoll J, Bromberg Y, Brown L, Cheon K, Coffey B, Deng L, Dietrich A, Dong S, Elzerman L, Fernandez T, Fründt O, Garcia-Delgar B, Gedvilaite E, Gilbert D, Grice D, Hagstrøm J, Hedderly T, Heiman G, Heyman I, Hoekstra P, Hong H, Huyser C, Ibanez-Gomez L, Kim Y, Kim Y, King R, Koh Y, Kook S, Kuperman S, Lamerz A, Leventhal B, Ludolph A, da Silva C, Madruga-Garrido M, Mandell J, Maras A, Mir P, Morer A, Münchau A, Murphy T, Nasello C, Openneer T, Plessen K, Richer P, Roessner V, Sanders S, Shin E, Sival D, Smith L, Song D, Song J, State M, Stolte A, Sun N, Tischfield J, Tübing J, Visscher F, Walker M, Wanderer S, Wang S, Willsey A, Woods M, Xing J, Zhang Y, Zhou A, Zinner S, Genetics T, Barr C, Batterson J, Berlin C, Bruun R, Budman C, Cath D, Chouinard S, Coppola G, Cox N, Darrow S, Davis L, Dion Y, Freimer N, Grados M, Hirschtritt M, Huang A, Illmann C, Kurlan R, Leckman J, Lyon G, Malaty I, Mathews C, MaMahon W, Neale B, Okun M, Osiecki L, Pauls D, Posthuma D, Ramensky V, Robertson M, Rouleau G, Sandor P, Scharf J, Singer H, Smit J, Sul J, Yu D, Neale B, Coppola G, Mathews C, Tischfield J, Scharf J, State M, Heiman G. De Novo Coding Variants Are Strongly Associated with Tourette Disorder. Neuron 2017, 94: 486-499.e9. PMID: 28472652, PMCID: PMC5769876, DOI: 10.1016/j.neuron.2017.04.024.Peer-Reviewed Original ResearchConceptsWhole-exome sequencingTourette's disorderDamaging variantsLikely gene-disrupting variantsComplex neurodevelopmental disorderClinical casesUnrelated probandsNeurodevelopmental disordersDe novo damaging variantsDisordersRisk genesGenetic cohortsConsistent evidenceCoding variantReplication sampleProbandsInternational ConsortiumCohortVariantsMortality risk in a nationwide cohort of individuals with tic disorders and with tourette syndrome
Meier SM, Dalsgaard S, Mortensen PB, Leckman JF, Plessen KJ. Mortality risk in a nationwide cohort of individuals with tic disorders and with tourette syndrome. Movement Disorders 2017, 32: 605-609. PMID: 28339122, DOI: 10.1002/mds.26939.Peer-Reviewed Original ResearchConceptsTic disordersTourette syndromePremature deathMortality riskProspective cohort studyMortality rate ratiosComorbid attention-deficit/hyperactivity disorderAttention-deficit/hyperactivity disorderExclusion of individualsCohort studyObsessive-compulsive disorderClinical significancePsychiatric disordersPaternal ageSubstance abuseSyndromeHyperactivity disorderDisordersRate ratioDeathRiskCalendar yearAgeIndividualsClinicians
2016
Prenatal and Perinatal Risk Factors and the Promise of Birth Cohort Studies: Origins of Obsessive-Compulsive Disorder
Fernandez TV, Leckman JF. Prenatal and Perinatal Risk Factors and the Promise of Birth Cohort Studies: Origins of Obsessive-Compulsive Disorder. JAMA Psychiatry 2016, 73: 1117-1118. PMID: 27706471, PMCID: PMC5180419, DOI: 10.1001/jamapsychiatry.2016.2092.Peer-Reviewed Original ResearchThe Origins of Tourette Syndrome: Prenatal Risk Factors and the Promise of Birth Cohort Studies
Leckman JF, Fernandez TV. The Origins of Tourette Syndrome: Prenatal Risk Factors and the Promise of Birth Cohort Studies. Journal Of The American Academy Of Child & Adolescent Psychiatry 2016, 55: 751-753. PMID: 27566115, PMCID: PMC5180440, DOI: 10.1016/j.jaac.2016.06.009.Peer-Reviewed Original Research
2015
Familial Risks of Tourette Syndrome and Chronic Tic Disorders: A Population-Based Cohort Study
Mataix-Cols D, Isomura K, Pérez-Vigil A, Chang Z, Rück C, Larsson KJ, Leckman JF, Serlachius E, Larsson H, Lichtenstein P. Familial Risks of Tourette Syndrome and Chronic Tic Disorders: A Population-Based Cohort Study. JAMA Psychiatry 2015, 72: 787-793. PMID: 26083307, DOI: 10.1001/jamapsychiatry.2015.0627.Peer-Reviewed Original ResearchConceptsChronic tic disorderFirst-degree relativesTic disordersTourette syndromeFamilial riskSwedish National Patient RegisterNational Patient RegisterSecond-degree relativesRelatives of probandsPopulation-based twin sampleThird-degree relativesFamily studiesCohort studyPatient RegisterFemale patientsSpecialist clinicMAIN OUTCOMESimilar riskGeneral populationPopulation cohortHeritable neuropsychiatric conditionsNeuropsychiatric conditionsSimilar environmental exposuresEnvironmental exposuresDisordersEffect of drugs on the risk of injuries in children with attention deficit hyperactivity disorder: a prospective cohort study
Dalsgaard S, Leckman JF, Mortensen PB, Nielsen HS, Simonsen M. Effect of drugs on the risk of injuries in children with attention deficit hyperactivity disorder: a prospective cohort study. The Lancet Psychiatry 2015, 2: 702-709. PMID: 26249301, DOI: 10.1016/s2215-0366(15)00271-0.Peer-Reviewed Original ResearchConceptsAge 10 yearsAttention deficit hyperactivity disorderAge 12 yearsRisk of injuryPrevalence of injuriesCommon causeDeficit hyperactivity disorderPharmacological treatmentEmergency wardOdds ratioADHD drugsMajor public health importanceEmergency ward visitsHyperactivity disorderProspective cohort studyDanish national registersNon-treated childrenLarge disease burdenPublic health importanceEffects of drugsCohort studyWard visitsUntreated childrenAdjusted differenceDisease burdenOxytocin-augmented labor and risk for autism in males
Weisman O, Agerbo E, Carter CS, Harris JC, Uldbjerg N, Henriksen TB, Thygesen M, Mortensen PB, Leckman JF, Dalsgaard S. Oxytocin-augmented labor and risk for autism in males. Behavioural Brain Research 2015, 284: 207-212. PMID: 25707712, DOI: 10.1016/j.bbr.2015.02.028.Peer-Reviewed Original ResearchConceptsSynthetic oxytocinInfant developmentICD-10 DCRSingleton live birthsAugmentation of laborAutistic disorderDose-dependent effectAugment laborMaternal exposureLive birthsModest associationEpidemiological analysisAdverse effectsOxytocinPlausible associationRiskMalesInconsistent findingsDisordersFuture studiesBirthAssociationAutismFindingsAugmentation
2014
Cardiovascular Safety of Stimulants in Children with Attention-Deficit/Hyperactivity Disorder: A Nationwide Prospective Cohort Study
Dalsgaard S, Kvist AP, Leckman JF, Nielsen HS, Simonsen M. Cardiovascular Safety of Stimulants in Children with Attention-Deficit/Hyperactivity Disorder: A Nationwide Prospective Cohort Study. Journal Of Child And Adolescent Psychopharmacology 2014, 24: 302-310. PMID: 24956171, PMCID: PMC4137345, DOI: 10.1089/cap.2014.0020.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderProspective cohort studyCardiovascular eventsCohort studyDose-response relationshipStimulant treatmentCardiovascular safetyHazard ratioRisk factorsFirst nationwide cohort studyNationwide prospective cohort studyPossible dose-response relationshipUnique personal identification numberCardiovascular adverse eventsCardiovascular risk factorsHyperactivity disorderNationwide cohort studyNational health registersStimulant usersPopulation-based sampleAdverse eventsHealth registersProspective followCox regressionPotential confounders
2009
Predictors 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
2000
Sensory phenomena in obsessive-compulsive disorder and Tourette's disorder.
Miguel EC, do Rosário-Campos MC, Prado HS, do Valle R, Rauch SL, Coffey BJ, Baer L, Savage CR, O'Sullivan RL, Jenike MA, Leckman JF. Sensory phenomena in obsessive-compulsive disorder and Tourette's disorder. The Journal Of Clinical Psychiatry 2000, 61: 150-6; quiz 157. PMID: 10732667, DOI: 10.4088/jcp.v61n0213.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderTourette's disorderDisorder groupTic-related obsessive-compulsive disorderSensory phenomenaDisorder diagnosisMental sensationsDisorder spectrumAlone groupClinical indicesAdult outpatientsBody sensationPatientsBodily sensationsHeterogeneous disorderPatients' performanceDisordersPhenotypic featuresSensationSemistructured interviewsPresent studyRepetitive behaviorsRecent studiesGroupInner tension