2024
Cost-effectiveness of iptacopan in paroxysmal nocturnal hemoglobinuria
Ito S, Chetlapalli K, Wang D, Potnis K, Richmond R, Krumholz H, Lee A, Cuker A, Goshua G. Cost-effectiveness of iptacopan in paroxysmal nocturnal hemoglobinuria. Blood 2024 PMID: 39374533, DOI: 10.1182/blood.2024025176.Peer-Reviewed Original ResearchStandard-of-careParoxysmal nocturnal hemoglobinuriaIncremental net monetary benefitNocturnal hemoglobinuriaComplement-mediated hemolytic anemiaTreating paroxysmal nocturnal hemoglobinuriaComplement C5 inhibitor eculizumabPhase 3 studyQuality-adjusted life expectancyRare blood disorderComprehensive cost-effectiveness analysisProbabilistic sensitivity analysesCost-saving thresholdsC5 inhibitor eculizumabNet monetary benefitPersistent anemiaIptacopanExtravascular hemolysisIntravenous infusionMonotherapyHemolytic anemiaAnemia resolutionC5 inhibitionFDA approvalPrimary outcome
2020
Assessment of Clinical Trials Supporting US Food and Drug Administration Approval of Novel Therapeutic Agents, 1995-2017
Zhang AD, Puthumana J, Downing NS, Shah ND, Krumholz HM, Ross JS. Assessment of Clinical Trials Supporting US Food and Drug Administration Approval of Novel Therapeutic Agents, 1995-2017. JAMA Network Open 2020, 3: e203284. PMID: 32315070, PMCID: PMC7175081, DOI: 10.1001/jamanetworkopen.2020.3284.Peer-Reviewed Original ResearchConceptsPivotal trialsProportion of indicationsIndication approvalsNew drugsUS FoodTrial durationPrimary end pointTherapeutic areasPivotal efficacy trialsCross-sectional studyDrug Administration approvalFast track designationCommon therapeutic areasRecent FDA approvalOrphan designationLonger trial durationAccelerated approvalAdministration approvalClinical trialsMonths durationEfficacy trialsMAIN OUTCOMETherapeutic safetyDrug AdministrationFDA approval
2018
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 drugsDrugsComparison of treatment effect sizes from pivotal and postapproval trials of novel therapeutics approved by the FDA based on surrogate markers of disease: a meta-epidemiological study
Wallach JD, Ciani O, Pease AM, Gonsalves GS, Krumholz HM, Taylor RS, Ross JS. Comparison of treatment effect sizes from pivotal and postapproval trials of novel therapeutics approved by the FDA based on surrogate markers of disease: a meta-epidemiological study. BMC Medicine 2018, 16: 45. PMID: 29562926, PMCID: PMC5863466, DOI: 10.1186/s12916-018-1023-9.Peer-Reviewed Original ResearchConceptsPostapproval trialsPivotal trialsActual clinical effectSurrogate markerTrial endpointsLarge treatment effectsPrimary endpointNovel therapeuticsNovel drugsTreatment effectsFDA approvalPatient-relevant outcomesMeta-epidemiological studyStandardized mean differenceTreatment effect sizeClinical effectsResultsBetween 2005Odds ratioDrug trialsSame indicationDrug AdministrationEvidence of differencesMean differenceU.S. FoodDisease
2017
Association of the FDA Amendment Act with trial registration, publication, and outcome reporting
Phillips AT, Desai NR, Krumholz HM, Zou CX, Miller JE, Ross JS. Association of the FDA Amendment Act with trial registration, publication, and outcome reporting. Trials 2017, 18: 333. PMID: 28720112, PMCID: PMC5516301, DOI: 10.1186/s13063-017-2068-3.Peer-Reviewed Original ResearchConceptsCardiovascular diseaseTRIAL REGISTRATIONFDA approvalNew drugsClinical trial registrationFDA Amendments ActDrug Administration Amendments ActAccessible trial registryClinical trial publicationsTrials RegistryResultsBetween 2005Efficacy trialsFDA reviewersTrial publicationsOutcome reportingMedical literatureReviewer interpretationsTrialsReporting of findingsDiseaseFDA documentsDrugsDiabetesFDAAAReviewersPostmarket Safety Events Among Novel Therapeutics Approved by the US Food and Drug Administration Between 2001 and 2010
Downing NS, Shah ND, Aminawung JA, Pease AM, Zeitoun JD, Krumholz HM, Ross JS. Postmarket Safety Events Among Novel Therapeutics Approved by the US Food and Drug Administration Between 2001 and 2010. JAMA 2017, 317: 1854-1863. PMID: 28492899, PMCID: PMC5815036, DOI: 10.1001/jama.2017.5150.Peer-Reviewed Original ResearchConceptsNovel therapeuticsSafety eventsAccelerated approvalTherapeutic characteristicsUS FoodDrug AdministrationFDA approvalInitial regulatory approvalClinician decision makingNew safety risksMedian followCohort studyMedian timeMultivariable analysisBoxed warningDrug classesMAIN OUTCOMEClinical practicePostmarket periodPsychiatric diseasesPriority reviewTherapeutic areasOrphan statusPsychiatric therapeuticsBiologics
2015
Characteristics of Clinical Studies Conducted Over the Total Product Life Cycle of High-Risk Therapeutic Medical Devices Receiving FDA Premarket Approval in 2010 and 2011
Rathi VK, Krumholz HM, Masoudi FA, Ross JS. Characteristics of Clinical Studies Conducted Over the Total Product Life Cycle of High-Risk Therapeutic Medical Devices Receiving FDA Premarket Approval in 2010 and 2011. JAMA 2015, 314: 604-612. PMID: 26262798, DOI: 10.1001/jama.2015.8761.Peer-Reviewed Original ResearchConceptsPrimary effectiveness end pointEffectiveness end pointPostmarket studiesClinical studiesClinical evidencePMA pathwayPremarket studiesEnd pointAvailable FDA documentsInitial marketing approvalPremarket approval pathwayTherapeutic devicesMedian durationMedian enrollmentHigh-risk medical devicesMAIN OUTCOMEPatientsDrug AdministrationUS FoodFDA approvalMarketing approvalLonger durationFDA documentsMonthsPostmarket