2024
An evaluation of treatment response and remission definitions in adult obsessive-compulsive disorder: A systematic review and individual-patient data meta-analysis
Ramakrishnan D, Farhat L, Vattimo E, Levine J, Johnson J, Artukoglu B, Landeros-Weisenberger A, Zangen A, Pelissolo A, de B Pereira C, Rück C, Costa D, Mataix-Cols D, Shannahoff-Khalsa D, Tolin D, Zarean E, Meyer E, Hawken E, Storch E, Andersson E, Miguel E, Maina G, Leckman J, Sarris J, March J, Diniz J, Kobak K, Mallet L, Vulink N, Amiaz R, Fernandes R, Shavitt R, Wilhelm S, Golshan S, Tezenas du Montcel S, Erzegovesi S, Baruah U, Greenberg W, Kobayashi Y, Bloch M. An evaluation of treatment response and remission definitions in adult obsessive-compulsive disorder: A systematic review and individual-patient data meta-analysis. Journal Of Psychiatric Research 2024, 173: 387-397. PMID: 38598877, DOI: 10.1016/j.jpsychires.2024.03.044.Peer-Reviewed Original ResearchMeSH KeywordsAdultHumansObsessive-Compulsive DisorderPsychiatric Status Rating ScalesTreatment OutcomeConceptsYale-Brown Obsessive-Compulsive ScaleObsessive-compulsive disorderCGI-IRandomized-controlled trialsAdult obsessive-compulsive disorderClinical Global Impression ImprovementObsessive-Compulsive ScaleTreatment responseIndividual-patient data meta-analysisPosttreatment scoresEvaluation of treatment responseMeta-analysis of randomized-controlled trialsFirst-line therapyCGIIndividual participant dataMeta-analysisNovel treatment modalitiesExpert consensusIndividual participant data meta-analysisSystematic reviewDisordersData meta-analysisPosttreatmentRemission definitionsImpressive improvement
2021
A Phase-2 Pilot Study of a Therapeutic Combination of Δ9-Tetrahydracannabinol and Palmitoylethanolamide for Adults With Tourette’s Syndrome
Bloch MH, Landeros-Weisenberger A, Johnson JA, Leckman JF. A Phase-2 Pilot Study of a Therapeutic Combination of Δ9-Tetrahydracannabinol and Palmitoylethanolamide for Adults With Tourette’s Syndrome. Journal Of Neuropsychiatry 2021, 33: 328-336. PMID: 34340527, DOI: 10.1176/appi.neuropsych.19080178.Peer-Reviewed Original ResearchConceptsTourette syndromeTic symptomsUncontrolled trialsYale Global Tic Severity Scale-Total Tic ScoreDouble-blind placebo-controlled trialAvailable evidence-based treatmentsPhase 2 pilot studyExtension phasePlacebo-controlled trialRefractory Tourette syndromeTotal tic scoreEffective pharmacological treatmentCannabis-derived compoundsEvidence-based treatmentsTHC dosingSecondary outcomesPrimary outcomeComorbid conditionsPharmacological treatmentTic scoreYGTSS scoresTherapeutic combinationsSide effectsTrial designSyndrome
2019
N-Acetylcysteine for Pediatric Obsessive-Compulsive Disorder: A Small Pilot Study
Li F, Welling MC, Johnson JA, Coughlin C, Mulqueen J, Jakubovski E, Coury S, Landeros-Weisenberger A, Bloch MH. N-Acetylcysteine for Pediatric Obsessive-Compulsive Disorder: A Small Pilot Study. Journal Of Child And Adolescent Psychopharmacology 2019, 30: 32-37. PMID: 31800306, PMCID: PMC7133418, DOI: 10.1089/cap.2019.0041.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcysteineAdolescentChildDouble-Blind MethodFemaleHumansMaleObsessive-Compulsive DisorderPilot ProjectsPsychiatric Status Rating ScalesConceptsCY-BOCS total scoreN-acetylcysteineYale-Brown ObsessiveTotal scorePlacebo groupNAC groupStudy populationBenefit of NACPlacebo-controlled clinical trialSymptom severityEffect of NACMild adverse eventsOCD symptom severityLarger study populationPediatric obsessive-compulsive disorderSmall pilot studyChildren's Yale-Brown ObsessiveStudy medicationAdverse eventsPrimary outcomeGlutamate dysfunctionObsessive-compulsive disorderWeek 12Future trialsNAC treatment
2017
Ketamine for Social Anxiety Disorder: A Randomized, Placebo-Controlled Crossover Trial
Taylor JH, Landeros-Weisenberger A, Coughlin C, Mulqueen J, Johnson JA, Gabriel D, Reed MO, Jakubovski E, Bloch MH. Ketamine for Social Anxiety Disorder: A Randomized, Placebo-Controlled Crossover Trial. Neuropsychopharmacology 2017, 43: 325-333. PMID: 28849779, PMCID: PMC5729569, DOI: 10.1038/npp.2017.194.Peer-Reviewed Original ResearchConceptsLiebowitz Social Anxiety ScaleSocial anxiety disorderAnxiety disordersSocial Anxiety ScaleSelf-reported anxietySocial phobia symptomsRatings of anxietyPotent N-methyl-d-aspartate receptor antagonistPhobia symptomsAnxiety symptomsAnxiety ScaleImpact of ketamineInitial evidenceAnxietyTreatment respondersVAS anxietyPlacebo-controlled crossover trialRatingsDisordersLinear mixed modelsPrior studiesConcept trialInadequate symptom reliefRandom orderMixed models
2012
Effects of Ketamine in Treatment-Refractory Obsessive-Compulsive Disorder
Bloch MH, Wasylink S, Landeros-Weisenberger A, Panza KE, Billingslea E, Leckman JF, Krystal JH, Bhagwagar Z, Sanacora G, Pittenger C. Effects of Ketamine in Treatment-Refractory Obsessive-Compulsive Disorder. Biological Psychiatry 2012, 72: 964-970. PMID: 22784486, PMCID: PMC3667652, DOI: 10.1016/j.biopsych.2012.05.028.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAntidepressive AgentsDepressionExcitatory Amino Acid AntagonistsFemaleHumansKetamineMaleMiddle AgedObsessive-Compulsive DisorderPatient SelectionPsychiatric Status Rating ScalesTreatment OutcomeConceptsObsessive-compulsive disorderKetamine infusionDepression symptomsLow-dose ketamine infusionTreatment-refractory obsessive-compulsive disorderOCD symptomsPathogenesis of OCDIncomplete symptom reliefTreatment-Refractory ObsessiveOpen-label trialRapid antidepressant effectsAspartate glutamate receptorsEffects of ketaminePotent noncompetitive antagonistGlutamate abnormalitiesAntidepressant effectsAntidepressant responseSymptom reliefKetamine effectsComorbid depressionAcute effectsGlutamate receptorsDepressive symptomsNoncompetitive antagonistInfusion
2011
Poor fine‐motor and visuospatial skills predict persistence of pediatric‐onset obsessive‐compulsive disorder into adulthood
Bloch MH, Sukhodolsky DG, Dombrowski PA, Panza KE, Craiglow BG, Landeros‐Weisenberger A, Leckman JF, Peterson BS, Schultz RT. Poor fine‐motor and visuospatial skills predict persistence of pediatric‐onset obsessive‐compulsive disorder into adulthood. Journal Of Child Psychology And Psychiatry 2011, 52: 974-983. PMID: 21244423, PMCID: PMC3625937, DOI: 10.1111/j.1469-7610.2010.02366.x.Peer-Reviewed Original ResearchConceptsLong-term outcomesVisual-motor integrationPoor long-term outcomesCox proportional hazards modelBeery-Buktenica TestPediatric-onset obsessive-compulsive disorderFine motor skill deficitsPurdue pegboard taskCourse of symptomsProportional hazards modelPurdue Pegboard TestComorbid tic disordersAge of onsetVisuospatial skillsFuture longitudinal studiesOCD symptomsFine motor skillsCases remitNonverbal memory performanceObsessive-compulsive disorderNeuropsychiatric deficitsTic disordersMAIN OUTCOMEPegboard TestNeuropsychological testing