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, 177: 1499-1508. 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 AdministrationTherapyAssociations Between Surrogate Markers and Clinical Outcomes for Nononcologic Chronic Disease Treatments
Wallach J, Yoon S, Doernberg H, Glick L, Ciani O, Taylor R, Mooghali M, Ramachandran R, Ross J. Associations Between Surrogate Markers and Clinical Outcomes for Nononcologic Chronic Disease Treatments. JAMA 2024, 331: 1646-1654. PMID: 38648042, PMCID: PMC11036312, DOI: 10.1001/jama.2024.4175.Peer-Reviewed Original ResearchConceptsMeta-analysesChronic diseasesFood and Drug AdministrationMeta-regression analysisMeta-analyses of observational studiesSurrogate markerClinical outcomesClinical trialsMeta-analysisEvidence of associationPublished meta-analysesStrength of associationMeta-analyses of clinical trialsChronic disease treatmentFood and Drug Administration tableResults of meta-regression analysisOutcome pairsFood and Drug Administration approvalMain OutcomesData extractionSystematic reviewStatistically significant resultsObservational studyPooled analysisDrug AdministrationReporting of Demographics & Subgroup Analyses in Premarketing Studies of FDA Approved High-Risk Cardiovascular Devices, 2014–2022
Swanson M, Uyeki C, Yoder S, Dhruva S, Miller J, Ross J. Reporting of Demographics & Subgroup Analyses in Premarketing Studies of FDA Approved High-Risk Cardiovascular Devices, 2014–2022. Medical Devices Evidence And Research 2024, 17: 165-172. PMID: 38707869, PMCID: PMC11067925, DOI: 10.2147/mder.s457152.Peer-Reviewed Original ResearchFood and Drug AdministrationHigh-risk cardiovascular devicesSubgroup analysisPremarketing studiesUS Food and Drug AdministrationResults of subgroup analysisParticipation of older adultsStudy participantsClinical trialsSocioeconomic positionTrial populationDrug AdministrationStudy populationConduction of subgroup analysisDemographic dataOlder adultsReporting of demographicsSubgroupsPatients' socioeconomic position.PatientsTrials
2023
Studies Of Prescription Digital Therapeutics Often Lack Rigor And Inclusivity
Kumar A, Ross J, Patel N, Rathi V, Redberg R, Dhruva S. Studies Of Prescription Digital Therapeutics Often Lack Rigor And Inclusivity. Health Affairs 2023, 42: 1559-1567. PMID: 37931187, DOI: 10.1377/hlthaff.2023.00384.Peer-Reviewed Original ResearchConceptsPrescription digital therapeuticDigital therapeuticsClinical studiesRetrospective cross-sectional analysisCross-sectional analysisStrong evidence baseHalf of studiesUpper age limitPremarket studiesDrug AdministrationClinician's prescriptionClinical useClinical researchEvidence baseTherapeuticsOne-thirdUse of Expedited Regulatory Programs and Clinical Development Times for FDA-Approved Novel Therapeutics
Wong A, Mooghali M, Ramachandran R, Ross J, Wallach J. Use of Expedited Regulatory Programs and Clinical Development Times for FDA-Approved Novel Therapeutics. JAMA Network Open 2023, 6: e2331753. PMID: 37651145, PMCID: PMC10472182, DOI: 10.1001/jamanetworkopen.2023.31753.Peer-Reviewed Original ResearchTherapeutic value of first versus supplemental indications of drugs in US and Europe (2011-20): retrospective cohort study
Vokinger K, Glaus C, Kesselheim A, Serra-Burriel M, Ross J, Hwang T. Therapeutic value of first versus supplemental indications of drugs in US and Europe (2011-20): retrospective cohort study. The BMJ 2023, 382: e074166. PMID: 37407074, PMCID: PMC10320829, DOI: 10.1136/bmj-2022-074166.Peer-Reviewed Original ResearchConceptsEuropean Medicines AgencyRetrospective cohort studyCohort studyTherapeutic valueSupplemental indicationsIndication approvalsHigh therapeutic valueAvailable treatmentsDrug AdministrationUS FoodMedicines AgencyFDA approvalHealth authoritiesCancer disordersSimilar findingsTherapeutic ratingFirst indicationDrugsIndicationsApprovalFDAPatientsLarge subsetProportionPhysiciansUS Food and Drug Administration regulatory reviewer disagreements and postmarket safety actions among new therapeutics
Eadie A, MacGregor A, Wallach J, Ross J, Herder M. US Food and Drug Administration regulatory reviewer disagreements and postmarket safety actions among new therapeutics. BMJ Evidence-Based Medicine 2023, 28: 151-156. PMID: 36944478, DOI: 10.1136/bmjebm-2022-112005.Peer-Reviewed Original ResearchConceptsNovel therapeuticsNew therapeuticsUS FoodReviewer disagreementTherapeutic approvalsFDA safety communicationCross-sectional studyBlack box warningPatient populationBox warningDrug AdministrationDrug approvalFDA reviewSafety actionsRegulatory approvalTherapeuticsFDAApprovalMarket approvalFDA reviewersReviewersInstances of disagreementReviewActionAdministrationMetrics, baseline scores, and a tool to improve sponsor performance on clinical trial diversity: retrospective cross sectional study
Varma T, Mello M, Ross J, Gross C, Miller J. Metrics, baseline scores, and a tool to improve sponsor performance on clinical trial diversity: retrospective cross sectional study. BMJ Medicine 2023, 2: e000395. PMID: 36936269, PMCID: PMC9951369, DOI: 10.1136/bmjmed-2022-000395.Peer-Reviewed Original ResearchRetrospective cross-sectional studyCross-sectional studyPivotal trialsOlder adultsSectional studyNovel oncology therapeuticsUS cancer populationUS Cancer StatisticsUS patient populationAmerican Cancer SocietyPatient populationCancer populationOncology therapeuticsCancer SocietyCancer statisticsNovel cancer therapeuticsOncology trialsBaseline scoresPatientsUS FoodDrug AdministrationTrial dataStudy participantsTrialsEthics Committee
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 resultsApprovals and Timing of New Formulations of Novel Drugs Approved by the US Food and Drug Administration Between 1995 and 2010 and Followed Through 2021
Gupta R, Morten CJ, Zhu AY, Ramachandran R, Shah ND, Ross JS. Approvals and Timing of New Formulations of Novel Drugs Approved by the US Food and Drug Administration Between 1995 and 2010 and Followed Through 2021. JAMA Health Forum 2022, 3: e221096. PMID: 35977259, PMCID: PMC9123500, DOI: 10.1001/jamahealthforum.2022.1096.Peer-Reviewed Original ResearchConceptsCross-sectional studyNovel drugsTherapeutic valueUS FoodDrug AdministrationWorld Health Organization Model ListGeneric approvalCapsule formMultivariable analysisAccelerated approvalClinical usefulnessMAIN OUTCOMEPrescription drugsBrand-name drugsModel ListEssential medicinesDrugsApproval statusMedicine inclusionFDANovel tabletBlockbuster statusApprovalAdministrationDrug sales
2021
Association of Fluoroquinolone Prescribing Rates With Black Box Warnings from the US Food and Drug Administration
Sankar A, Swanson KM, Zhou J, Jena AB, Ross JS, Shah ND, Karaca-Mandic P. Association of Fluoroquinolone Prescribing Rates With Black Box Warnings from the US Food and Drug Administration. JAMA Network Open 2021, 4: e2136662. PMID: 34851398, PMCID: PMC8637256, DOI: 10.1001/jamanetworkopen.2021.36662.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAmbulatory CareAnti-Bacterial AgentsBronchitisCross-Sectional StudiesDrug LabelingDrug PrescriptionsFemaleFluoroquinolonesHealth Plan ImplementationHumansInterrupted Time Series AnalysisMaleMedicareMiddle AgedPractice Patterns, Physicians'SinusitisUnited StatesUnited States Food and Drug AdministrationUrinary Tract InfectionsConceptsPrescribing of fluoroquinolonesCross-sectional studyBlack box warningFDA warningCare physiciansPrescribing levelsBox warningMAIN OUTCOMEUS FoodDrug AdministrationMedicare administrative claims dataUncomplicated urinary tract infectionsNon-primary care physiciansAcute care visitsUrinary tract infectionFDA black box warningPrimary care physiciansAdministrative claims dataCase mix indexFluoroquinolone prescriptionsPrescribing trendsCare visitsPrescribing ratesTract infectionsOutpatient visitsRegistration, 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 devicesFeasibility of Using Real-world Data to Emulate Postapproval Confirmatory Clinical Trials of Therapeutic Agents Granted US Food and Drug Administration Accelerated Approval
Wallach JD, Zhang AD, Skydel JJ, Bartlett VL, Dhruva SS, Shah ND, Ross JS. Feasibility of Using Real-world Data to Emulate Postapproval Confirmatory Clinical Trials of Therapeutic Agents Granted US Food and Drug Administration Accelerated Approval. JAMA Network Open 2021, 4: e2133667. PMID: 34751763, PMCID: PMC8579227, DOI: 10.1001/jamanetworkopen.2021.33667.Peer-Reviewed Original ResearchTransparency of Regulatory Data across the European Medicines Agency, Health Canada, and US Food and Drug Administration.
Egilman AC, Kapczynski A, McCarthy ME, Luxkaranayagam AT, Morten CJ, Herder M, Wallach JD, Ross JS. Transparency of Regulatory Data across the European Medicines Agency, Health Canada, and US Food and Drug Administration. The Journal Of Law, Medicine & Ethics 2021, 49: 456-485. PMID: 34665102, DOI: 10.1017/jme.2021.67.Peer-Reviewed Original ResearchFulfilling the Mandate of the US Food and Drug Administration’s Accelerated Approval Pathway
Gyawali B, Ross JS, Kesselheim AS. Fulfilling the Mandate of the US Food and Drug Administration’s Accelerated Approval Pathway. JAMA Internal Medicine 2021, 181: 1275-1276. PMID: 34254981, DOI: 10.1001/jamainternmed.2021.4604.Commentaries, Editorials and LettersConceptsAccelerated approval pathwayUS FoodPostapproval trialsApproval pathwayDrug AdministrationPathwayAdministrationImplementation of 21st Century Cures Act Expanded Access Policies Requirements
Kang S, Chang S, Ross JS, Miller JE. Implementation of 21st Century Cures Act Expanded Access Policies Requirements. Clinical Pharmacology & Therapeutics 2021, 110: 1579-1584. PMID: 34431083, DOI: 10.1002/cpt.2401.Peer-Reviewed Original ResearchClinical trial transparency and data sharing among biopharmaceutical companies and the role of company size, location and product type: a cross-sectional descriptive analysis
Axson S, Mello MM, Lincow D, Yang C, Gross C, Ross JS, Miller J. Clinical trial transparency and data sharing among biopharmaceutical companies and the role of company size, location and product type: a cross-sectional descriptive analysis. BMJ Open 2021, 11: e053248. PMID: 34281933, PMCID: PMC8291313, DOI: 10.1136/bmjopen-2021-053248.Peer-Reviewed Original ResearchCharacteristics of Preapproval and Postapproval Studies of Vaccines Granted Accelerated Approval by the US Food and Drug Administration
Egilman A, Wallach JD, Puthumana J, Zhang AD, Schwartz JL, Ross JS. Characteristics of Preapproval and Postapproval Studies of Vaccines Granted Accelerated Approval by the US Food and Drug Administration. Journal Of General Internal Medicine 2021, 36: 3281-3284. PMID: 34131876, PMCID: PMC8205312, DOI: 10.1007/s11606-021-06943-x.Peer-Reviewed Original ResearchEvaluation of Trials Comparing Single-Enantiomer Drugs to Their Racemic Precursors
Long AS, Zhang AD, Meyer CE, Egilman AC, Ross JS, Wallach JD. Evaluation of Trials Comparing Single-Enantiomer Drugs to Their Racemic Precursors. JAMA Network Open 2021, 4: e215731. PMID: 33956134, PMCID: PMC8103227, DOI: 10.1001/jamanetworkopen.2021.5731.Peer-Reviewed Original ResearchConceptsRandomized clinical trialsSafety end pointEnd pointClinical trialsDrug pairsPrimary end point resultsEnd point resultsImproved efficacyEfficacy end pointCochrane Central RegistrySeparate end pointsSingle-enantiomer drugsSingle enantiomer formulationPrimary efficacySecondary efficacyControlled TrialsOvid EmbaseOvid MEDLINESuperior efficacyDrug AdministrationCentral RegistrySystematic reviewMore efficacyTrialsRacemic drugs