2024
Systematic Review and Meta-Analysis: Placebo Response in Randomized Controlled Trials of Tourette Disorder Medications
de Barros P, Farhat L, Behling E, Nasir M, Landeros-Weisenberger A, Bloch M. Systematic Review and Meta-Analysis: Placebo Response in Randomized Controlled Trials of Tourette Disorder Medications. Journal Of The American Academy Of Child & Adolescent Psychiatry 2024 PMID: 39505141, DOI: 10.1016/j.jaac.2024.10.011.Peer-Reviewed Original ResearchDrug-placebo differencesMagnitude of placebo responseTourette's disorderPlacebo responseStandardized mean changeRandomized controlled trialsDrug responsePlacebo-controlled randomized controlled trialsDrug placeboMeta-analysisPsychiatry conditionsClinical-researchDisorder medicationsRandom-effects meta-analysisBetween-groupStandardized mean differencePharmacological interventionsStudy-level characteristicsWithin-groupPlaceboStudy-level factorsMean changeWeb of ScienceControlled trialsMean difference
2021
Meta-Analysis: Pediatric Placebo Response in Depression Trials Does Not Replicate in Anxiety and Obsessive-Compulsive Disorder Trials
Nasir M, Li F, Courley S, Olten B, Bloch MH. Meta-Analysis: Pediatric Placebo Response in Depression Trials Does Not Replicate in Anxiety and Obsessive-Compulsive Disorder Trials. Journal Of Child And Adolescent Psychopharmacology 2021, 31: 670-684. PMID: 34558984, DOI: 10.1089/cap.2021.0030.Peer-Reviewed Original ResearchConceptsPlacebo response ratesObsessive-compulsive disorderPlacebo responseDepression trialsResponse ratePlacebo improvementSymptom improvementAntidepressant trialsStratified subgroup analysisRandom-effects modelPediatric populationSubgroup analysisStudy visitNumber of subjectsPsychopharmacological trialsPubMed searchDifferent indicationsDiagnostic indicationsMean differenceAnxiety disordersTrialsDisordersPediatric anxietyPredictorsPossible correlates
2019
Meta-Analysis of Placebo Response in Adult Antidepressant Trials
Li F, Nasir M, Olten B, Bloch MH. Meta-Analysis of Placebo Response in Adult Antidepressant Trials. CNS Drugs 2019, 33: 971-980. PMID: 31573058, DOI: 10.1007/s40263-019-00662-y.Peer-Reviewed Original ResearchConceptsPlacebo response ratesPlacebo improvementSymptom improvementObsessive-compulsive disorderResponse rateDiagnostic indicationsAntidepressant trialsRandomized placebo-controlled trialPlacebo-controlled trialStratified subgroup analysisSecond-generation antidepressantsPlacebo comparison groupFuture antidepressantsSubgroup analysisClinical trialsPlacebo responseTrial characteristicsGreater magnitudeDepression trialsMeta-AnalysisUS sitesTrial durationAntidepressantsLanguage limitsMean difference