2023
Use 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 Review Time of Supplemental New Indication Approvals of Drugs and Biologics, 2017 to 2019
Dhodapkar M, Ross J, Ramachandran R. US Food and Drug Administration Review Time of Supplemental New Indication Approvals of Drugs and Biologics, 2017 to 2019. JAMA Network Open 2023, 6: e2318889. PMID: 37358857, PMCID: PMC10293905, DOI: 10.1001/jamanetworkopen.2023.18889.Peer-Reviewed Original ResearchLongitudinal Patterns in Testosterone Prescribing After US FDA Safety Communication in 2014
Sankar A, Everhart A, Jena A, Jeffery M, Ross J, Shah N, Karaca-Mandic P. Longitudinal Patterns in Testosterone Prescribing After US FDA Safety Communication in 2014. The Joint Commission Journal On Quality And Patient Safety 2023, 49: 458-466. PMID: 37380503, DOI: 10.1016/j.jcjq.2023.05.003.Peer-Reviewed Original ResearchConceptsCoronary artery diseaseFDA safety communicationPhysician characteristicsLabel prescribingCare physiciansTestosterone prescribingService administrative claims dataNon-primary care physiciansCertain physician characteristicsDrug Administration (FDA) safety communicationPrimary care physiciansAdministrative claims dataCase mix indexTestosterone therapyArtery diseaseTestosterone prescriptionsPrescribing levelsMean agePrescription trendsTeaching hospitalClaims dataPrescription levelsMedicare feePrescribingUS FoodCharacterization of US Food and Drug Administration Class I Recalls from 2018 to 2022 for Moderate- and High-Risk Medical Devices: A Cross-Sectional Study
Mooghali M, Ross J, Kadakia K, Dhruva S. Characterization of US Food and Drug Administration Class I Recalls from 2018 to 2022 for Moderate- and High-Risk Medical Devices: A Cross-Sectional Study. Medical Devices Evidence And Research 2023, 16: 111-122. PMID: 37229515, PMCID: PMC10204764, DOI: 10.2147/mder.s412802.Peer-Reviewed Original ResearchCross-sectional studyClass I medical deviceClass IHigh-risk medical devicesSerious adverse eventsSafety concernsAdverse eventsMedian numberUS FoodRecalled deviceTherapeutic useDevice recallsHigh-risk devicesDevice useSerious safety concernsMedical device recallsMultiple recallsLife-sustaining devicesDevice assessmentPhysician responses to apple watch-detected irregular rhythm alerts
Demkowicz P, Dhruva S, Spatz E, Beatty A, Ross J, Khera R. Physician responses to apple watch-detected irregular rhythm alerts. American Heart Journal 2023, 262: 29-37. PMID: 37084933, PMCID: PMC10988207, DOI: 10.1016/j.ahj.2023.04.008.Peer-Reviewed Original ResearchConceptsAtrial fibrillationPrimary careEmergency medicinePhysician responsesDiagnostic testingUse of antiarrhythmicsClinical practice guidelinesMeasurement of BNPFurther diagnostic testingCase-based surveyLarge academic centerAF alertsAsymptomatic patientsPatient demographicsClinical symptomsTreatment optionsMedical historyPatient referralPhysician specialtyPractice guidelinesPhysician differencesRhythm monitoringAcademic centersUS FoodClinical complexityUS Food and Drug Administration Approval of Drugs Not Meeting Pivotal Trial Primary End Points, 2018-2021
Johnston J, Ross J, Ramachandran R. US Food and Drug Administration Approval of Drugs Not Meeting Pivotal Trial Primary End Points, 2018-2021. JAMA Internal Medicine 2023, 183: 376-380. PMID: 36780148, PMCID: PMC9926353, DOI: 10.1001/jamainternmed.2022.6444.Peer-Reviewed Original ResearchUS 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
Characterization and corroboration of safety signals identified from the US Food and Drug Administration Adverse Event Reporting System, 2008-19: cross sectional study
Dhodapkar MM, Shi X, Ramachandran R, Chen EM, Wallach JD, Ross JS. Characterization and corroboration of safety signals identified from the US Food and Drug Administration Adverse Event Reporting System, 2008-19: cross sectional study. The BMJ 2022, 379: e071752. PMID: 36198428, PMCID: PMC9533298, DOI: 10.1136/bmj-2022-071752.Peer-Reviewed Original ResearchConceptsPotential safety signalsSafety signalsSectional studyUS FoodDrug Administration Adverse Event Reporting SystemLiterature searchAdverse Event Reporting SystemSentinel InitiativeDrug Safety CommunicationsEvent Reporting SystemDrug safety signalsAdverse eventsCase seriesCase reportRegulatory actionDrug labelingSignificant associationFDA regulatory actionsComprehensive safety evaluationFAERSFDASpending 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 ResearchComparison of Duration of Postapproval vs Pivotal Trials for Therapeutic Agents Granted US Food and Drug Administration Accelerated Approval, 2009-2018
Wallach JD, Ramachandran R, Bruckner T, Ross JS. Comparison of Duration of Postapproval vs Pivotal Trials for Therapeutic Agents Granted US Food and Drug Administration Accelerated Approval, 2009-2018. JAMA Network Open 2021, 4: e2133601. PMID: 34751764, PMCID: PMC8579231, DOI: 10.1001/jamanetworkopen.2021.33601.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 ResearchAssessment of FDA Approval for New High-risk Therapeutic Devices Not Meeting Pivotal Study Primary End Points, 2016-2020
Johnston JL, Dhruva SS, Ross JS, Rathi VK. Assessment of FDA Approval for New High-risk Therapeutic Devices Not Meeting Pivotal Study Primary End Points, 2016-2020. JAMA Internal Medicine 2021, 181: 1409-1412. PMID: 34152383, PMCID: PMC8218229, DOI: 10.1001/jamainternmed.2021.3042.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 LettersImplementation 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 Research