Registration, results reporting, and publication bias of clinical trials supporting FDA approval of neuropsychiatric drugs before and after FDAAA: a retrospective cohort study
Zou CX, Becker JE, Phillips AT, Garritano JM, Krumholz HM, Miller JE, Ross JS. Registration, results reporting, and publication bias of clinical trials supporting FDA approval of neuropsychiatric drugs before and after FDAAA: a retrospective cohort study. Trials 2018, 19: 581. PMID: 30352601, PMCID: PMC6199729, DOI: 10.1186/s13063-018-2957-0.Peer-Reviewed Original ResearchConceptsRetrospective cohort studyPublication biasNeuropsychiatric indicationsCohort studyClinical trialsRelative riskEfficacy trialsFDA approvalPositive trialsFisher's exact testRecent FDA approvalDrug Administration Amendments ActClinical trial publicationsTRIAL REGISTRATIONMAIN OUTCOMEProportion of trialsNeuropsychiatric drugsNew drug approvalsTrial publicationsExact testMedical interventionsTrialsDrug approvalNew drugsDrugsAdherence to the International Committee of Medical Journal Editors’ (ICMJE) prospective registration policy and implications for outcome integrity: a cross-sectional analysis of trials published in high-impact specialty society journals
Gopal AD, Wallach JD, Aminawung JA, Gonsalves G, Dal-Ré R, Miller JE, Ross JS. Adherence to the International Committee of Medical Journal Editors’ (ICMJE) prospective registration policy and implications for outcome integrity: a cross-sectional analysis of trials published in high-impact specialty society journals. Trials 2018, 19: 448. PMID: 30134950, PMCID: PMC6106722, DOI: 10.1186/s13063-018-2825-y.Peer-Reviewed Original ResearchConceptsPrimary outcome dataOutcome dataCross-sectional analysisUnregistered trialsTrial characteristicsClinical trialsFavorable findingsProfessional medical societiesMedical societiesIndustry-funded trialsFrequency of registrationPrimary outcomeRegistered trialsEnrollment siteProspective fashionChi-square analysisProportion of trialsOriginal research reportsInitial ascertainmentTrialsHigh-impact journalsMedical Journal EditorsRegistration timingRetrospective registrationLower rates