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
2021
Efficacy and safety of transcranial direct current stimulation as an add-on treatment for obsessive-compulsive disorder: a randomized, sham-controlled trial
Silva R, Brunoni A, Goerigk S, Batistuzzo M, Costa D, Diniz J, Padberg F, D’Urso G, Miguel E, Shavitt R. Efficacy and safety of transcranial direct current stimulation as an add-on treatment for obsessive-compulsive disorder: a randomized, sham-controlled trial. Neuropsychopharmacology 2021, 46: 1028-1034. PMID: 33452434, PMCID: PMC8115679, DOI: 10.1038/s41386-020-00928-w.Peer-Reviewed Original ResearchConceptsTreatment-resistant obsessive-compulsive disorderTranscranial direct current stimulationSupplementary motor areaBaseline Y-BOCS scoresActive transcranial direct current stimulationObsessive-compulsive disorderY-BOCS scoresDirect current stimulationAdverse eventsWeek 12Efficacy of tDCSCurrent stimulationCathodal transcranial direct current stimulationSham-controlled trialMild adverse eventsClinical Global ImpressionSham-controlled studyBetween-group differencesSymptoms of depressionSecondary outcomesPrimary outcomeImprovement subscaleGlobal ImpressionNeuromodulation therapiesTreatment resistance
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
2016
Transcranial direct current stimulation for treatment-resistant obsessive-compulsive disorder: report on two cases and proposal for a randomized, sham-controlled trial
da Silva R, Brunoni A, Miguel E, Shavitt R. Transcranial direct current stimulation for treatment-resistant obsessive-compulsive disorder: report on two cases and proposal for a randomized, sham-controlled trial. Sao Paulo Medical Journal 2016, 134: 446-450. PMID: 27901245, PMCID: PMC10871858, DOI: 10.1590/1516-3180.2016.0155010716.Peer-Reviewed Original ResearchConceptsTreatment-resistant obsessive-compulsive disorderTranscranial direct current stimulationObsessive-compulsive disorderDirect current stimulationClinical trialsCurrent stimulationSham-controlled trialSerotonin reuptake inhibitorsSupplementary motor cortexPrimary obsessive-compulsive disorderCognitive behavioral therapySecondary outcomesPrimary outcomeReuptake inhibitorsSham interventionFirst patientCortical excitabilityMotor cortexUniversity HospitalWeek 4YBOCS scoresNeuromodulation techniquesNon-invasive techniqueBrain circuitsPatients
2005
Citalopram plus reboxetine in treatment-resistant obsessive-compulsive disorder
Fontenelle L, Mendlowicz M, Miguel E, Versiani M. Citalopram plus reboxetine in treatment-resistant obsessive-compulsive disorder. The World Journal Of Biological Psychiatry 2005, 6: 57-59. PMID: 16097406, DOI: 10.1080/15622970510029740.Peer-Reviewed Original ResearchConceptsTreatment-resistant obsessive-compulsive disorderObsessive-compulsive disorderSRI-resistant obsessive compulsive disorderResistant obsessive-compulsive disorderCombination of citalopramFirst-line treatmentAdequate trialReuptake inhibitorsCompulsive disorderPatientsCitalopramDisordersFuture studiesTrials