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 ResearchMeSH KeywordsChildCohort StudiesCommunity NetworksComorbidityFemaleFollow-Up StudiesHumansMaleObsessive-Compulsive DisorderPsychopathologyRisk FactorsConceptsObsessive-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
DNA methylome variation in a perinatal nurse-visitation program that reduces child maltreatment: a 27-year follow-up
O’Donnell K, Chen L, MacIsaac JL, McEwen LM, Nguyen T, Beckmann K, Zhu Y, Chen LM, Brooks-Gunn J, Goldman D, Grigorenko EL, Leckman JF, Diorio J, Karnani N, Olds DL, Holbrook JD, Kobor MS, Meaney MJ. DNA methylome variation in a perinatal nurse-visitation program that reduces child maltreatment: a 27-year follow-up. Translational Psychiatry 2018, 8: 15. PMID: 29317599, PMCID: PMC5802588, DOI: 10.1038/s41398-017-0063-9.Peer-Reviewed Original ResearchConceptsNurse-Family PartnershipIntervention programsProspective longitudinal studyYears of ageMajor psychiatric disordersAge 27 yearsChild maltreatmentPsychosocial intervention programEarly intervention programsLifestyle factorsIntervention groupBlood samplesPsychiatric disordersAdult offspringDiagnostic InterviewChildhood adversityNFP programInterindividual variationLongitudinal studyComponent scoresSustained impactAbuse/neglectDNA methylationFamily partnershipsDNA methylome
2015
Oxytocin-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 confoundersGender and Injuries Predict Stimulant Medication Use
Dalsgaard S, Leckman JF, Nielsen HS, Simonsen M. Gender and Injuries Predict Stimulant Medication Use. Journal Of Child And Adolescent Psychopharmacology 2014, 24: 253-259. PMID: 24813570, PMCID: PMC4064734, DOI: 10.1089/cap.2013.0101.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAttention Deficit Disorder with HyperactivityCentral Nervous System StimulantsChildChild Development Disorders, PervasiveCraniocerebral TraumaFemaleFollow-Up StudiesHumansMaleMental DisordersPractice Patterns, Physicians'Prospective StudiesSeverity of Illness IndexSex FactorsWounds and InjuriesConceptsAttention-deficit/hyperactivity disorderStimulant treatmentNumber of injuriesADHD medicationPsychiatric disordersStimulant medicationAutism spectrum disorderFirst prospective studyGroup of patientsPopulation-based studyYears of ageEarly life predictorsStimulant medication useMedication useGroup of childrenProspective studyPharmacological treatmentHead injuryNational cohortDrug prescriptionsMale genderPsychiatric diagnosisMedicationsNational registersInjury
2013
Gene variants associated with antisocial behaviour: a latent variable approach
Bentley MJ, Lin H, Fernandez TV, Lee M, Yrigollen CM, Pakstis AJ, Katsovich L, Olds DL, Grigorenko EL, Leckman JF. Gene variants associated with antisocial behaviour: a latent variable approach. Journal Of Child Psychology And Psychiatry 2013, 54: 1074-1085. PMID: 23822756, PMCID: PMC3766409, DOI: 10.1111/jcpp.12109.Peer-Reviewed Original ResearchConceptsRisk allelesGenetic risk allelesSingle nucleotide polymorphismsGene variantsNurse home visitation programAge 15 yearsStress response pathwaysCholinergic signalingDrug useCommon genetic variantsPutative risk allelesAntisocial behaviorVariable scoresResponse pathwaysGenetic polymorphismsVisitation programMolecular networksPathway analysisStress responseGenesGenetic variablesMolecular levelGenetic variantsLONG‐TERM OUTCOME IN ADULTS WITH OBSESSIVE‐COMPULSIVE DISORDER
Bloch MH, Green C, Kichuk SA, Dombrowski PA, Wasylink S, Billingslea E, Landeros‐Weisenberger A, Kelmendi B, Goodman WK, Leckman JF, Coric V, Pittenger C. LONG‐TERM OUTCOME IN ADULTS WITH OBSESSIVE‐COMPULSIVE DISORDER. Depression And Anxiety 2013, 30: 716-722. PMID: 23532944, PMCID: PMC3932438, DOI: 10.1002/da.22103.Peer-Reviewed Original ResearchConceptsLong-term outcomesObsessive-compulsive disorderEvidence-based treatmentsAdult OCD patientsLong-term clinical outcomesSymptom severitySerotonin reuptake inhibitor medicationsOCD patientsPlacebo-controlled trialSerotonin reuptake inhibitorsReuptake inhibitor medicationsPercent of subjectsInitial responseSymptom dimensionsLater symptom severityOCD symptomsSignificant OCD symptomsOCD symptom dimensionsAdult patientsClinical characteristicsClinical improvementEligible subjectsPartial respondersInhibitor medicationReuptake inhibitors
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
2006
Adulthood 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
Caudate volumes in childhood predict symptom severity in adults with Tourette syndrome
Bloch MH, Leckman JF, Zhu H, Peterson BS. Caudate volumes in childhood predict symptom severity in adults with Tourette syndrome. Neurology 2005, 65: 1253-1258. PMID: 16247053, PMCID: PMC2367161, DOI: 10.1212/01.wnl.0000180957.98702.69.Peer-Reviewed Original ResearchConceptsSeverity of ticsBasal ganglia volumesCaudate nucleus volumeTourette syndromeObsessive-compulsive symptomsGanglia volumesEarly adulthoodObsessive-compulsive disorderTic symptomsCaudate nucleusCaudate volumeCross-sectional imaging studiesThalamo-cortical circuitsNucleus volumeSeverity of symptomsAge 16 yearsProspective longitudinal studyAge 14 yearsClinical statusClinical assessmentClinical measuresMorphologic disturbancesMRI scansSymptomsImaging studies
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 ScaleDisorders
2002
Characteristics of acute stress symptoms and nitric oxide concentration in young rescue workers in Taiwan
Yeh CB, Leckman J, Wan FJ, Shiah IS, Lu RB. Characteristics of acute stress symptoms and nitric oxide concentration in young rescue workers in Taiwan. Psychiatry Research 2002, 112: 59-68. PMID: 12379451, DOI: 10.1016/s0165-1781(02)00179-8.Peer-Reviewed Original ResearchConceptsAcute stress disorderYoung military personnelControl groupMale military personnelNitric oxideInitial evaluationMilitary personnelPoint prevalence ratesAcute stress symptomsDSM-IV criteriaSignificant inverse correlationStress symptomsNitric oxide concentrationPlasma concentrationsPlasma measuresPrevalence ratesRelated syndromesNeuropsychological interviewStress disorderInverse correlationPlasma samplesLongitudinal studyPotential roleRescue workersDisaster workers
1999
Early parental preoccupations and behaviors and their possible relationship to the symptoms of obsessive‐compulsive disorder
Leckman JF, Mayes LC, Feldman R, Evans DW, King RA, Cohen DJ. Early parental preoccupations and behaviors and their possible relationship to the symptoms of obsessive‐compulsive disorder. Acta Psychiatrica Scandinavica. Supplementum 1999, 100: 1-26. PMID: 10478283, DOI: 10.1111/j.1600-0447.1999.tb10951.x.Peer-Reviewed Original Research