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