2024
Premarket Pivotal Trial End Points and Postmarketing Requirements for FDA Breakthrough Therapies
Mooghali M, Wallach J, Ross J, Ramachandran R. Premarket Pivotal Trial End Points and Postmarketing Requirements for FDA Breakthrough Therapies. JAMA Network Open 2024, 7: e2430486. PMID: 39190303, PMCID: PMC11350476, DOI: 10.1001/jamanetworkopen.2024.30486.Peer-Reviewed Original ResearchConceptsFood and Drug Administration tableFood and Drug AdministrationSurrogate end pointsSurrogate markerPostmarketing studiesEnd pointsTraditional approvalCross-sectional studyClinical benefitAccelerated approvalTherapy designClinically significant end pointsReview of therapeuticsPrimary end pointUS Food and Drug AdministrationTrial end pointsSignificant end pointsPostmarketing requirementsPreliminary clinical evidenceApproval pathwayPivotal trialsClinical evidenceBreakthrough therapiesDrug AdministrationTherapyCharacterization of accelerated approval status, trial endpoints and results, and recommendations in guidelines for oncology drug treatments from the National Comprehensive Cancer Network: cross sectional study
Mooghali M, Mitchell A, Skydel J, Ross J, Wallach J, Ramachandran R. Characterization of accelerated approval status, trial endpoints and results, and recommendations in guidelines for oncology drug treatments from the National Comprehensive Cancer Network: cross sectional study. BMJ Medicine 2024, 3: e000802. PMID: 38596814, PMCID: PMC11002412, DOI: 10.1136/bmjmed-2023-000802.Peer-Reviewed Original ResearchNational Comprehensive Cancer NetworkNational Comprehensive Cancer Network guidelinesComprehensive Cancer NetworkFood and Drug AdministrationCancer NetworkUS Food and Drug AdministrationCategories of evidenceAccelerated approvalCross sectional studyDrug treatmentConfirmatory trialsClinical benefitTrial resultsOncological indicationsTraditional approvalGuideline recommendationsOutcome measuresSectional studyApproval statusFDA decisionRecommended alignmentOncologyUpdate recommendationsPostapproval trialsGuidelines
2023
Exploring unique device identifier implementation and use for real-world evidence: a mixed-methods study with NESTcc health system network collaborators
Dhruva S, Ridgeway J, Ross J, Drozda J, Wilson N. Exploring unique device identifier implementation and use for real-world evidence: a mixed-methods study with NESTcc health system network collaborators. BMJ Surgery Interventions & Health Technologies 2023, 5: e000167. PMID: 36704544, PMCID: PMC9872505, DOI: 10.1136/bmjsit-2022-000167.Peer-Reviewed Original ResearchHealth systemReal-world evidence generationDevice identificationPrior conceptual modelInformation technologyHealth system characteristicsWorkflow changesNetworkReal-world evidenceImplementationResearch NetworkClinical benefitSupply chainMedical devicesSystem characteristicsTechnologyRWE studiesEffectiveness studiesCurrent stateConceptual modelBrief surveyMixed-method studySustainment (EPIS) frameworkInterview topicsMedical device safety
2022
Spending by the Centers for Medicare & Medicaid Services Before and After Confirmation of Benefit for Drugs Granted US Food and Drug Administration Accelerated Approval, 2012 to 2017
Skydel JJ, Egilman AC, Wallach JD, Ramachandran R, Gupta R, Ross JS. Spending by the Centers for Medicare & Medicaid Services Before and After Confirmation of Benefit for Drugs Granted US Food and Drug Administration Accelerated Approval, 2012 to 2017. JAMA Health Forum 2022, 3: e221158. PMID: 35977252, PMCID: PMC9142876, DOI: 10.1001/jamahealthforum.2022.1158.Peer-Reviewed Original ResearchConceptsSurrogate end pointsCross-sectional studyClinical benefitConfirmation of benefitEnd pointOriginal indicationClinical outcomesUS FoodConfirmatory trialsMedicaid ServicesPrimary end pointUnproven clinical benefitsTrial end pointsClinical trial resultsTypes of drugsPostapproval trialsAccelerated approvalClinical trialsMAIN OUTCOMEDrug AdministrationMedicare Part BStandard approvalConversion statusSupplemental indicationsTrial results
2019
Biomarkers as Surrogate Endpoints: Ongoing Opportunities for Validation
Zhang AD, Ross JS. Biomarkers as Surrogate Endpoints: Ongoing Opportunities for Validation. The Journal Of Law, Medicine & Ethics 2019, 47: 393-395. PMID: 31560627, DOI: 10.1177/1073110519876170.Commentaries, Editorials and Letters
2015
Efficacy And Safety Concerns Are Important Reasons Why The FDA Requires Multiple Reviews Before Approval Of New Drugs
Ross JS, Dzara K, Downing NS. Efficacy And Safety Concerns Are Important Reasons Why The FDA Requires Multiple Reviews Before Approval Of New Drugs. Health Affairs 2015, 34: 681-688. PMID: 25847652, DOI: 10.1377/hlthaff.2014.1160.Peer-Reviewed Original Research
2014
Clinical Trial Evidence Supporting FDA Approval of Novel Therapeutic Agents, 2005-2012
Downing NS, Aminawung JA, Shah ND, Krumholz HM, Ross JS. Clinical Trial Evidence Supporting FDA Approval of Novel Therapeutic Agents, 2005-2012. JAMA 2014, 311: 368-377. PMID: 24449315, PMCID: PMC4144867, DOI: 10.1001/jama.2013.282034.Peer-Reviewed Original ResearchConceptsPivotal efficacy trialsNovel therapeutic agentsClinical trial evidencePivotal trialsEfficacy trialsTherapeutic agentsEnd pointTrial evidenceMedian numberAvailable FDA documentsSingle pivotal trialTrial end pointsSurrogate end pointsNumber of patientsLength of treatmentCross-sectional analysisPrimary outcomeClinical outcomesTrial completion ratesClinical benefitPlacebo comparatorSurrogate outcomesMAIN OUTCOMEDrug AdministrationUS Food
2011
Use of Fibrates in the United States and Canada
Jackevicius CA, Tu JV, Ross JS, Ko DT, Carreon D, Krumholz HM. Use of Fibrates in the United States and Canada. JAMA 2011, 305: 1217-1224. PMID: 21427374, PMCID: PMC3332101, DOI: 10.1001/jama.2011.353.Peer-Reviewed Original ResearchMeSH KeywordsCanadaCardiovascular DiseasesCohort StudiesCosts and Cost AnalysisDiabetes Mellitus, Type 2Drug CostsDrugs, GenericFenofibrateFibric AcidsHealth ExpendituresHumansHydroxymethylglutaryl-CoA Reductase InhibitorsHypolipidemic AgentsMedical AuditPractice Patterns, Physicians'PrescriptionsUnited StatesConceptsUse of fibratesRole of fibratesObservational cohort studyIMS Health dataFenofibrate useCardiovascular riskCohort studyDiabetes (ACCORD) trialClinical benefitFibratesMonthsPrescriptionUnited StatesPatientsNegative resultsFenofibrateHealth dataCurrent useGeneric formulationPopulationStatinsTherapyTrials