2024
Class I Recalls of Cardiovascular Devices Between 2013 and 2022 : A Cross-Sectional Analysis.
See C, Mooghali M, Dhruva S, Ross J, Krumholz H, Kadakia K. Class I Recalls of Cardiovascular Devices Between 2013 and 2022 : A Cross-Sectional Analysis. Annals Of Internal Medicine 2024 PMID: 39284187, DOI: 10.7326/annals-24-00724.Peer-Reviewed Original ResearchCross-sectional studyCross-sectional analysisAdverse health consequencesPatient safetyClinical testingClass IHealth consequencesClinical evidenceFDA summariesPostapproval studiesDecision summariesFood and Drug AdministrationU.S. Food and Drug AdministrationEnd-point selectionPremarket approvalMultiple class IClinical studiesPostmarketing surveillanceSummaryDrug AdministrationMedical device recall databaseRecallPatientsFDAPostmarketingPremarket 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 AdministrationTherapy
2022
Renewing the Call for Reforms to Medical Device Safety—The Case of Penumbra
Kadakia KT, Beckman AL, Ross JS, Krumholz HM. Renewing the Call for Reforms to Medical Device Safety—The Case of Penumbra. JAMA Internal Medicine 2022, 182: 59-65. PMID: 34842892, DOI: 10.1001/jamainternmed.2021.6626.Commentaries, Editorials and LettersConceptsReperfusion catheterClinical evidenceClass IPenumbra reperfusion catheterSingle-arm trialUser Facility Device Experience (MAUDE) databaseAdverse event reportsPostmarket surveillanceHealth policy makersMedical device reportsPenumbra deviceClinical evaluationPatient deathDevice safetyMedicine recommendationsAnimal dataCatheterFDA databaseFDA medical device regulationsClinical literatureSmall sample sizeDevice reportsEvent reportsPublic healthExperience database
2021
Registration, publication, and outcome reporting among pivotal clinical trials that supported FDA approval of high-risk cardiovascular devices before and after FDAAA
Swanson MJ, Johnston JL, Ross JS. Registration, publication, and outcome reporting among pivotal clinical trials that supported FDA approval of high-risk cardiovascular devices before and after FDAAA. Trials 2021, 22: 817. PMID: 34789308, PMCID: PMC8597303, DOI: 10.1186/s13063-021-05790-9.Peer-Reviewed Original ResearchConceptsHigh-risk cardiovascular devicesPrimary efficacy outcomeFDA Amendments ActPivotal clinical trialsClinical trialsEfficacy outcomesFDA approvalTrial interpretationPivotal clinical studiesPrimary clinical evidenceFDA summariesPivotal trialsClinical evidenceResultsBetween 2005Clinical studiesHigh-risk medical devicesOutcome reportingUS FoodDrug AdministrationTrialsReporting of findingsInterpretation of findingsPeer-reviewed literatureOutcomesCardiovascular devicesUptake of evidence by physicians: De-adoption of erythropoiesis-stimulating agents after the TREAT trial
Vu K, Zhou J, Everhart A, Desai N, Herrin J, Jena AB, Ross JS, Shah ND, Karaca-Mandic P. Uptake of evidence by physicians: De-adoption of erythropoiesis-stimulating agents after the TREAT trial. BMC Nephrology 2021, 22: 284. PMID: 34419007, PMCID: PMC8379779, DOI: 10.1186/s12882-021-02491-y.Peer-Reviewed Original ResearchConceptsErythropoiesis-stimulating agentsChronic kidney diseaseEpoetin alfaDarbepoetin alfaTREAT trialTypes of ESAsNew clinical evidencePrimary care physiciansMedicare AdvantageUptake of evidenceCare physiciansAnemia treatmentClinical evidenceKidney diseasePhysician genderMedicare feeUnsafe treatmentSegmented regression approachStudy periodPhysiciansService populationConsistent changesAlfaHigher useTreatmentUS Food and Drug Administration utilization of postmarketing requirements and postmarketing commitments, 2009–2018
Skydel JJ, Zhang AD, Dhruva SS, Ross JS, Wallach JD. US Food and Drug Administration utilization of postmarketing requirements and postmarketing commitments, 2009–2018. Clinical Trials 2021, 18: 488-499. PMID: 33863236, PMCID: PMC8292154, DOI: 10.1177/17407745211005044.Peer-Reviewed Original ResearchConceptsClinical studiesPostmarketing requirementsUS FoodDrug AdministrationNew therapeuticsClinical evidenceNew prospective cohort studyProspective cohort studyCross-sectional studyDrug Administration approvalCohort studyRetrospective studyUnapproved indicationsAdministration approvalClinical indicationsClinical trialsBACKGROUND/Median numberDisease populationTherapeutic safetyTherapeutic indicationsSecondary analysisNovel therapeuticsSmall molecule drugsOriginal approvalPhysician variation in the de‐adoption of ineffective statin and fibrate therapy
Everhart A, Desai NR, Dowd B, Herrin J, Higuera L, Jeffery MM, Jena AB, Ross JS, Shah ND, Smith LB, Karaca‐Mandic P. Physician variation in the de‐adoption of ineffective statin and fibrate therapy. Health Services Research 2021, 56: 919-931. PMID: 33569804, PMCID: PMC8522575, DOI: 10.1111/1475-6773.13630.Peer-Reviewed Original ResearchMeSH KeywordsAgedDiabetes Mellitus, Type 2Drug Therapy, CombinationDrug UtilizationFemaleFibric AcidsGuideline AdherenceHumansHydroxymethylglutaryl-CoA Reductase InhibitorsHypoglycemic AgentsHypolipidemic AgentsLongitudinal StudiesMaleMedicare Part CMiddle AgedPractice Guidelines as TopicPractice Patterns, Physicians'Risk FactorsUnited StatesConceptsMedicare Advantage patientsType 2 diabetic patientsACCORD lipid trialFibrate useAdvantage patientsCommercial patientsPhysician characteristicsLIPID trialFibrate therapyDiabetic patientsPhysician variationDiabetes careType 2 diabetes diagnosisContinuous insurance enrollmentPatient diabetes carePhysician random effectsGlucose-lowering drugsElectronic health record dataHealth record dataReal-world data assetConcurrent statinCardiovascular eventsStatin usersClinical evidenceManagement visits
2020
Clinical Evidence Supporting US Food and Drug Administration Clearance of Novel Therapeutic Devices via the De Novo Pathway Between 2011 and 2019
Johnston JL, Dhruva SS, Ross JS, Rathi VK. Clinical Evidence Supporting US Food and Drug Administration Clearance of Novel Therapeutic Devices via the De Novo Pathway Between 2011 and 2019. JAMA Internal Medicine 2020, 180: 1701-1703. PMID: 33044513, PMCID: PMC7551221, DOI: 10.1001/jamainternmed.2020.3214.Peer-Reviewed Original ResearchPostmarket Clinical Evidence for High-Risk Therapeutic Medical Devices Receiving Food and Drug Administration Premarket Approval in 2010 and 2011
Rathi VK, Krumholz HM, Masoudi FA, Ross JS. Postmarket Clinical Evidence for High-Risk Therapeutic Medical Devices Receiving Food and Drug Administration Premarket Approval in 2010 and 2011. JAMA Network Open 2020, 3: e2014496. PMID: 32857145, PMCID: PMC7455850, DOI: 10.1001/jamanetworkopen.2020.14496.Peer-Reviewed Original Research
2019
Feasibility of Using Real-World Data to Replicate Clinical Trial Evidence
Bartlett VL, Dhruva SS, Shah ND, Ryan P, Ross JS. Feasibility of Using Real-World Data to Replicate Clinical Trial Evidence. JAMA Network Open 2019, 2: e1912869. PMID: 31596493, PMCID: PMC6802419, DOI: 10.1001/jamanetworkopen.2019.12869.Peer-Reviewed Original ResearchConceptsPrimary end pointClinical trialsReal-world evidenceEnd pointElectronic health recordsEHR dataExclusion criteriaClinical trial evidenceRandomized clinical trialsHigh-impact general medical journalsReal-world populationInsurance claimsTraditional clinical trialsCross-sectional analysisSame clinical questionPercentage of trialsPrimary outcomeClinical outcomesClinical evidenceTrial evidenceTrial populationTrial inclusionObservational studyAdministrative claimsMAIN OUTCOME
2017
The FDA Unapproved Drugs Initiative: An Observational Study of the Consequences for Drug Prices and Shortages in the United States.
Gupta R, Dhruva SS, Fox ER, Ross JS. The FDA Unapproved Drugs Initiative: An Observational Study of the Consequences for Drug Prices and Shortages in the United States. Journal Of Managed Care & Specialty Pharmacy 2017, 23: 1066-1076. PMID: 28944731, PMCID: PMC10397719, DOI: 10.18553/jmcp.2017.23.10.1066.Peer-Reviewed Original ResearchConceptsUnapproved Drugs InitiativeClinical evidenceAverage wholesale priceFDA approvalPrescription drugsNew clinical trial evidenceMedian shortage durationClinical trial evidenceNew clinical evidenceDrug shortagesNumber of drugsEvidence of safetyUtah Drug Information ServiceHealth-System PharmacistsUS Food and Drug Administration Clearance of Moderate‐Risk Otolaryngologic Devices via the 510(k) Process, 1997‐2016
Rathi VK, Gadkaree SK, Ross JS, Kozin ED, Sethi RK, Naunheim MR, Puram SV, Gray ST. US Food and Drug Administration Clearance of Moderate‐Risk Otolaryngologic Devices via the 510(k) Process, 1997‐2016. Otolaryngology 2017, 157: 608-617. PMID: 28786317, DOI: 10.1177/0194599817721689.Peer-Reviewed Original ResearchConceptsPremarket evidenceClinical evidenceClinical performance dataUS FoodAvailable FDA documentsFDA documentsEvidence of safetyDrug Administration clearanceOne-quarterNonclinical evidenceClinical practiceDrug AdministrationFDA clearanceOne-thirdTwo-thirdsClearanceFDATherapeutic devicesEvidenceSafetyOtolaryngologistsMajorityOtologicPostapproval studies of drugs initially approved by the FDA on the basis of limited evidence: systematic review
Pease AM, Krumholz HM, Downing NS, Aminawung JA, Shah ND, Ross JS. Postapproval studies of drugs initially approved by the FDA on the basis of limited evidence: systematic review. The BMJ 2017, 357: j1680. PMID: 28468750, PMCID: PMC5421452, DOI: 10.1136/bmj.j1680.Peer-Reviewed Original ResearchConceptsSingle pivotal trialPivotal trialsPostapproval studiesSurrogate markerPrimary endpointNovel drugsClinical outcomesClinical studiesLimited evidenceSystematic reviewDouble-blind studyMedian total numberClinical evidenceSuperior efficacyBlind studyDrug AdministrationOriginal FDATrial approvalDiseaseTrialsDrugsFDAEndpointEfficacyMarkersClinical Evidence Supporting US Food and Drug Administration Approval of Otolaryngologic Prescription Drug Indications, 2005‐2014
Rathi VK, Wang B, Ross JS, Downing NS, Kesselheim AS, Gray ST. Clinical Evidence Supporting US Food and Drug Administration Approval of Otolaryngologic Prescription Drug Indications, 2005‐2014. Otolaryngology 2017, 156: 683-692. PMID: 28116974, DOI: 10.1177/0194599816689666.Peer-Reviewed Original ResearchConceptsPivotal studiesOriginal indicationPrimary endpointClinical evidenceDrug indicationsSupplemental indicationsUS FoodFDA approvalAvailable FDA documentsDouble-blinded studyDrug Administration approvalInformed treatment decisionsPivotal clinical studiesPremarket evidenceOtolaryngologic diseaseMedian enrollmentSurrogate markerAdministration approvalClinical studiesTreatment decisionsMost indicationsDrug AdministrationInitial approvalMultidisciplinary teamPrescription drugsClinical Evidence Supporting US Food and Drug Administration Premarket Approval of High‐Risk Otolaryngologic Devices, 2000‐2014
Rathi VK, Wang B, Ross JS, Downing NS, Kesselheim AS, Gray ST. Clinical Evidence Supporting US Food and Drug Administration Premarket Approval of High‐Risk Otolaryngologic Devices, 2000‐2014. Otolaryngology 2017, 156: 285-288. PMID: 28093943, DOI: 10.1177/0194599816684094.Peer-Reviewed Original ResearchConceptsPostapproval studiesPivotal studiesUS FoodPrimary effectiveness end pointAvailable FDA documentsEffectiveness end pointPivotal clinical studiesBenefit-risk assessmentCross-sectional analysisPremarket evidenceMedian durationClinical evidenceDrug Administration premarket approvalsOtolaryngologic diseaseMedian enrollmentClinical studiesHigh-risk medical devicesDrug AdministrationEnd pointHigh-risk devicesFDA documentsOne-thirdTwo-thirdsPremarket approvalFDA
2016
Fibrinolytic therapy in hospitals without percutaneous coronary intervention capabilities in China from 2001 to 2011: China PEACE-retrospective AMI study
Li J, Li X, Ross JS, Wang Q, Wang Y, Desai NR, Xu X, Nuti SV, Masoudi FA, Spertus JA, Krumholz HM, Jiang L, Group F. Fibrinolytic therapy in hospitals without percutaneous coronary intervention capabilities in China from 2001 to 2011: China PEACE-retrospective AMI study. European Heart Journal Acute Cardiovascular Care 2016, 6: 232-243. PMID: 26787648, DOI: 10.1177/2048872615626656.Peer-Reviewed Original ResearchConceptsST-segment elevation myocardial infarctionElevation myocardial infarctionFibrinolytic therapyMyocardial infarctionPercutaneous coronary intervention capabilitySequential cross-sectional studiesChina PEACE-Retrospective AMI StudyPrimary reperfusion strategyPercutaneous coronary interventionLittle clinical evidenceCross-sectional studyQuality of careTwo-stage random samplingCoronary interventionHospital delayNeedle timeReperfusion strategySymptom onsetTherapy useClinical evidenceEmergency departmentMedian admissionIdeal patientPatientsWeighted proportion
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