2023
Safety, tolerability, and clinical and neural effects of single-dose psilocybin in obsessive–compulsive disorder: protocol for a randomized, double-blind, placebo-controlled, non-crossover trial
Ching T, Grazioplene R, Bohner C, Kichuk S, DePalmer G, D’Amico E, Eilbott J, Jankovsky A, Burke M, Hokanson J, Martins B, Witherow C, Patel P, Amoroso L, Schaer H, Pittenger C, Kelmendi B. Safety, tolerability, and clinical and neural effects of single-dose psilocybin in obsessive–compulsive disorder: protocol for a randomized, double-blind, placebo-controlled, non-crossover trial. Frontiers In Psychiatry 2023, 14: 1178529. PMID: 37181888, PMCID: PMC10166878, DOI: 10.3389/fpsyt.2023.1178529.Peer-Reviewed Original ResearchObsessive-compulsive disorderPrimary endpointPsilocybin effectsNeural effectsRefractory obsessive-compulsive disorderNon-crossover designOpen-label doseStandard care treatmentOpen-label studyVisual analog scale ratingsTreatment of OCDEffects of psilocybinOCD symptomsInstitutional review boardYale-Brown ObsessivePrimary outcomeSingle doseCare treatmentOral psilocybinInformed consentReview boardNeurobiological mechanismsCompulsive ScalePsychological supportTrials
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 results