2024
Increases in functional connectivity between the default mode network and sensorimotor network correlate with symptomatic improvement after transcranial direct current stimulation for obsessive-compulsive disorder
Echevarria M, Batistuzzo M, Silva R, Brunoni A, Sato J, Miguel E, Hoexter M, Shavitt R. Increases in functional connectivity between the default mode network and sensorimotor network correlate with symptomatic improvement after transcranial direct current stimulation for obsessive-compulsive disorder. Journal Of Affective Disorders 2024, 355: 175-183. PMID: 38548207, DOI: 10.1016/j.jad.2024.03.141.Peer-Reviewed Original ResearchTranscranial direct current stimulationObsessive-compulsive disorderDirect current stimulationCurrent stimulationActive transcranial direct current stimulationSensorimotor networkOCD symptom dimensionsTreatment-resistant obsessive-compulsive disorderNeurobiological mechanisms of actionObsessive-compulsive disorder pathophysiologyWhole-brain connectivity analysisDaily tDCS sessionsSymptom improvementResting-state functional MRITDCS sessionsNon-invasive neuromodulation interventionsBrain stimulation interventionsFunctional connectivity changesAssociated with connectivityLeft deltoidSymptom dimensionsNeurobiological mechanismsLeft precuneusMode networkPre/postcentral gyri
2022
Taboo obsessions and their association with suicidality in obsessive-compulsive disorder
Cervin M, do Rosário M, Fontenelle L, Ferrão Y, Batistuzzo M, Torres A, Damiano R, Fernández de la Cruz L, Miguel E, Mataix-Cols D. Taboo obsessions and their association with suicidality in obsessive-compulsive disorder. Journal Of Psychiatric Research 2022, 154: 117-122. PMID: 35933855, DOI: 10.1016/j.jpsychires.2022.07.044.Peer-Reviewed Original Research
2021
Association Between Obsessive-Compulsive Symptom Dimensions in Mothers and Psychopathology in Their Children
Blanco-Vieira T, Hoexter M, Batistuzzo M, Alvarenga P, Szejko N, Fumo A, Miguel E, do Rosário M. Association Between Obsessive-Compulsive Symptom Dimensions in Mothers and Psychopathology in Their Children. Frontiers In Psychiatry 2021, 12: 674261. PMID: 34262490, PMCID: PMC8273307, DOI: 10.3389/fpsyt.2021.674261.Peer-Reviewed Original ResearchPresence of OCSObsessive-compulsive symptomsChild Behavior ChecklistMini-International Psychiatric InterviewPsychopathology statusSymptom dimensionsBehavioral problemsNon-clinical presentationsYale-Brown ObsessiveAggression/violenceClinical variablesOverall prevalenceSchool-aged childrenPsychiatric interviewMaternal psychopathologyMother-child dyadsDimensional Yale-Brown ObsessiveSubscale scoresOwn psychopathologyMothersBehavior ChecklistMultiple regression analysisSignificant correlationRegression analysis
2020
Social losses predict a faster onset and greater severity of obsessive-compulsive disorder
Destrée L, Albertella L, Torres A, Ferrão Y, Shavitt R, Miguel E, Fontenelle L. Social losses predict a faster onset and greater severity of obsessive-compulsive disorder. Journal Of Psychiatric Research 2020, 130: 187-193. PMID: 32828024, DOI: 10.1016/j.jpsychires.2020.07.027.Peer-Reviewed Original ResearchConceptsClinical obsessive-compulsive disorderObsessive-compulsive disorderStressful life eventsSpeed of progressionYale-Brown ObsessiveDSM-IV Axis I DisordersLife eventsCompulsive ScaleAxis I DisordersStructured Clinical InterviewSeverity of symptomsSymptom dimensionsBeck Depression InventorySubclinical obsessive-compulsive symptomsBeck Anxiety InventorySpecific obsessive-compulsive symptom dimensionsI disordersFaster onsetPsychiatric disordersHistory questionnaireBrown AssessmentClinical InterviewGreater severityDepression InventoryObsessive-compulsive symptoms
2019
No evidence of attentional bias toward angry faces in patients with obsessive-compulsive disorder
Skinazi M, de Mathis M, Cohab T, de Marco e Souza M, Shavitt R, Miguel E, Hoexter M, Batistuzzo M. No evidence of attentional bias toward angry faces in patients with obsessive-compulsive disorder. Brazilian Journal Of Psychiatry 2019, 41: 257-260. PMID: 30540026, PMCID: PMC6794136, DOI: 10.1590/1516-4446-2018-0130.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderAttentional biasAngry facesAnxiety disorder patientsOCD patientsDifferent brain activation patternsFunctional neuroimaging protocolsSpecific OCD symptom dimensionsBrain activation patternsSymptom severityOCD symptom dimensionsDisorder patientsAB taskAB paradigmTransdiagnostic approachAB scoresIntelligence testingAnxiety disordersSymptom dimensionsActivation patternsNeuroimaging protocolPsychiatric comorbidityOne-sample t-testFaceDisorders
2017
Randomized, Double-Blind, Placebo-Controlled Trial of N-Acetylcysteine Augmentation for Treatment-Resistant Obsessive-Compulsive Disorder.
Costa DLC, Diniz JB, Requena G, Joaquim MA, Pittenger C, Bloch MH, Miguel EC, Shavitt RG. Randomized, Double-Blind, Placebo-Controlled Trial of N-Acetylcysteine Augmentation for Treatment-Resistant Obsessive-Compulsive Disorder. The Journal Of Clinical Psychiatry 2017, 78: e766-e773. PMID: 28617566, DOI: 10.4088/jcp.16m11101.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcysteineAdolescentAdultAgedAnxiety DisordersComorbidityDepressive DisorderDouble-Blind MethodDrug ResistanceDrug Therapy, CombinationFemaleHumansMaleMiddle AgedObsessive-Compulsive DisorderPsychiatric Status Rating ScalesPsychometricsSelective Serotonin Reuptake InhibitorsYoung AdultConceptsTreatment-resistant obsessive-compulsive disorderObsessive-compulsive disorderY-BOCS scoresN-acetylcysteineNAC groupYale-Brown Obsessive Compulsive Scale scoresTreatment-resistant OCD patientsBaseline Y-BOCS scoresTreatment-Resistant ObsessivePrimary outcome measureAnxiety symptomsDSM-IV criteriaSymptom dimensionsCompulsive Scale scoresSpecific OCD symptom dimensionsOCD symptom dimensionsAntioxidant medicationsAbdominal painPlacebo groupGlutamate modulatorsSecondary outcomesTertiary hospitalOutpatient clinicSeverity scoreWeek 16
2015
Comorbidity variation in patients with obsessive–compulsive disorder according to symptom dimensions: Results from a large multicentre clinical sample
Torres A, Fontenelle L, Shavitt R, Ferrão Y, do Rosário M, Storch E, Miguel E. Comorbidity variation in patients with obsessive–compulsive disorder according to symptom dimensions: Results from a large multicentre clinical sample. Journal Of Affective Disorders 2015, 190: 508-516. PMID: 26561941, DOI: 10.1016/j.jad.2015.10.051.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderObsessive-compulsive disorderAnxiety disordersTic disordersDimensional Yale-Brown Obsessive Compulsive ScaleSeparation anxiety disorderComorbid disordersSymptom dimensionsDifferent underlying pathogenic mechanismsTertiary mental health servicesDSM-IV Axis I DisordersSpecific phobiaMulticenter clinical studyPanic disorder/agoraphobiaAxis I DisordersStructured Clinical InterviewYale-Brown Obsessive Compulsive ScaleMental health servicesUnderlying pathogenic mechanismsImpulse control disordersBrazilian Research ConsortiumSocial phobiaBody dysmorphic disorderObsessive Compulsive ScaleCommon comorbidities
2014
Hoarding symptoms and prediction of poor response to limbic system surgery for treatment-refractory obsessive-compulsive disorder.
Gentil AF, Lopes AC, Dougherty DD, Rück C, Mataix-Cols D, Lukacs TL, Canteras MM, Eskandar EN, Larsson KJ, Hoexter MQ, Batistuzzo MC, Greenberg BD, Miguel EC. Hoarding symptoms and prediction of poor response to limbic system surgery for treatment-refractory obsessive-compulsive disorder. Journal Of Neurosurgery 2014, 121: 123-30. PMID: 24702323, DOI: 10.3171/2014.2.jns131423.Peer-Reviewed Original ResearchConceptsLimbic system surgeryClinical outcomesWorse responseMean Y-BOCS scoreTreatment-refractory obsessive-compulsive disorderSymptom dimensionsPreoperative symptom severityWorse clinical outcomesTreatment-refractory patientsY-BOCS scoresYale-Brown Obsessive Compulsive ScaleSymptom Checklist scoresHoarding dimensionObsessive Compulsive ScaleSurgery needObsessive-compulsive disorderSurgical modalitiesAblative surgeryPoor responseWorse outcomesTreatment outcomesDimensional Yale-Brown Obsessive Compulsive ScaleYBOCS scoresPatientsSurgery
2013
Symptom dimensions are associated with age of onset and clinical course of obsessive–compulsive disorder
Kichuk SA, Torres AR, Fontenelle LF, Rosário MC, Shavitt RG, Miguel EC, Pittenger C, Bloch MH. Symptom dimensions are associated with age of onset and clinical course of obsessive–compulsive disorder. Progress In Neuro-Psychopharmacology And Biological Psychiatry 2013, 44: 233-239. PMID: 23410525, PMCID: PMC3654083, DOI: 10.1016/j.pnpbp.2013.02.003.Peer-Reviewed Original ResearchConceptsAge of onsetClinical courseObsessive-compulsive disorderPrimary symptom dimensionsSymptom dimensionsPrimary OCD symptomsChi-square testEarly ageOCD symptom dimensionsYale-Brown ObsessiveAdult patientsComorbid ticsSignificant symptomsLarge cohortDifferent OCD symptom dimensionsHeterogeneous symptomsSymptomsCompulsive ScaleDimensional Yale-Brown ObsessiveAgeSignificant differencesOCD symptomsOnsetInconsistent resultsSymptom dimensions, clinical course and comorbidity in men and women with obsessive-compulsive disorder
Torresan R, Ramos-Cerqueira A, Shavitt R, do Rosário M, de Mathis M, Miguel E, Torres A. Symptom dimensions, clinical course and comorbidity in men and women with obsessive-compulsive disorder. Psychiatry Research 2013, 209: 186-195. PMID: 23298952, DOI: 10.1016/j.psychres.2012.12.006.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderClinical courseComorbid post-traumatic stress disorderDSM-IV Axis ICross-sectional studyStructured Clinical InterviewAlcohol use disorderSymptom dimensionsPost-traumatic stress disorderAdult OCD patientsBrazilian Research ConsortiumYale-Brown ObsessiveFemale patientsClinical presentationMean ageSymptom interferenceObsessive-compulsive spectrum disordersMajor depressionTic disordersFemale genderAxis IUse disordersClinical InterviewAnorexia nervosaSkin picking
2012
Sensory phenomena associated with repetitive behaviors in obsessive-compulsive disorder: An exploratory study of 1001 patients
Ferrão Y, Shavitt R, Prado H, Fontenelle L, Malavazzi D, de Mathis M, Hounie A, Miguel E, do Rosário M. Sensory phenomena associated with repetitive behaviors in obsessive-compulsive disorder: An exploratory study of 1001 patients. Psychiatry Research 2012, 197: 253-258. PMID: 22361443, DOI: 10.1016/j.psychres.2011.09.017.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderSensory phenomenaOCD patientsConsecutive OCD patientsPresence/severityLogistic regression analysisFrequency/severityClinical characteristicsTic disordersFamily historyRepetitive behaviorsPatientsTourette syndromeGreater severityPsychopathological aspectsLevel of insightSeverityDisordersSymptom dimensionsRegression analysisFurther investigationSubstantial numberOC symptomsSymmetry/
2011
Suicidality in obsessive-compulsive disorder: prevalence and relation to symptom dimensions and comorbid conditions.
Torres A, Ramos-Cerqueira A, Ferrão Y, Fontenelle L, do Rosário M, Miguel E. Suicidality in obsessive-compulsive disorder: prevalence and relation to symptom dimensions and comorbid conditions. The Journal Of Clinical Psychiatry 2011, 72: 17-26; quiz 119-20. PMID: 21272513, DOI: 10.4088/jcp.09m05651blu.Peer-Reviewed Original ResearchMeSH KeywordsAdultComorbidityCross-Sectional StudiesDepressive Disorder, MajorDisruptive, Impulse Control, and Conduct DisordersFemaleHumansLongitudinal StudiesMaleObsessive-Compulsive DisorderPersonality InventoryPrevalenceReligion and PsychologyRisk FactorsSexual BehaviorStress Disorders, Post-TraumaticSuicideSuicide, AttemptedSurveys and QuestionnairesConceptsPosttraumatic stress disorderMajor depressive disorderObsessive-compulsive disorderYale-Brown Obsessive Compulsive ScaleCurrent suicidal thoughtsSubstance use disordersImpulse control disordersSuicidal thoughtsObsessive Compulsive ScaleDepressive disorderUse disordersDSM-IV Axis I DisordersSuicidal behaviorComorbid substance use disorderCompulsive ScaleOCD patientsLifetime major depressive disorderCross-sectional studyStructured Clinical InterviewAxis I DisordersLogistic regression analysisPrimary obsessive-compulsive disorderSymptom dimensionsLifetime suicidal thoughtsBrazilian Research Consortium
2010
Comorbid major depression in obsessive-compulsive disorder patients
Quarantini L, Torres A, Sampaio A, Fossaluza V, de Mathis M, do Rosário M, Fontenelle L, Ferrão Y, Cordioli A, Petribu K, Hounie A, Miguel E, Shavitt R, Koenen K. Comorbid major depression in obsessive-compulsive disorder patients. Comprehensive Psychiatry 2010, 52: 386-393. PMID: 21087765, DOI: 10.1016/j.comppsych.2010.09.006.Peer-Reviewed Original ResearchConceptsMajor depressive disorderObsessive-compulsive disorderOCD patientsCurrent major depressive disorderComorbid major depressive disorderLifetime major depressive disorderComprehensive psychiatric evaluationComorbid major depressionSevere general psychopathologyHigher severity scoresObsessive-compulsive disorder patientsSymptom dimensionsOCD symptom dimensionsClinical characteristicsFrequent complicationSeverity scoreDepressive disorderMajor depressionPrevalence ratesPsychiatric evaluationDisorder patientsPatientsGeneral psychopathologyDisordersOCD symptoms
2009
The impact of trauma and post-traumatic stress disorder on the treatment response of patients with obsessive-compulsive disorder
Shavitt R, Valério C, Fossaluza V, da Silva E, Cordeiro Q, Diniz J, Belotto-Silva C, Cordioli A, Mari J, Miguel E. The impact of trauma and post-traumatic stress disorder on the treatment response of patients with obsessive-compulsive disorder. European Archives Of Psychiatry And Clinical Neuroscience 2009, 260: 91-99. PMID: 20077119, DOI: 10.1007/s00406-009-0015-3.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge of OnsetAnxietyDepressionDiagnostic and Statistical Manual of Mental DisordersFemaleFollow-Up StudiesHumansMaleMiddle AgedObsessive-Compulsive DisorderPsychiatric Status Rating ScalesSelective Serotonin Reuptake InhibitorsStatistics, NonparametricStress Disorders, Post-TraumaticTreatment OutcomeConceptsHistory of traumaPost-traumatic stress disorderObsessive-compulsive disorderTreatment responseHT groupBeck Depression InventoryPTSD groupBeck Anxiety InventorySpecific OCD symptom dimensionsConventional treatmentOCD symptom dimensionsOCD patientsSelective serotonin reuptake inhibitorsStress disorderFull DSM-IV criteriaFirst-line treatmentSerotonin reuptake inhibitorsCase series studyPoor treatment responseResistant OCD patientsSymptom dimensionsGreater treatment responseDSM-IV criteriaGreater reductionGroup cognitive behavioral therapy