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 databaseRecallPatientsFDAPostmarketing
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-third
2022
Comparison of Clinical Study Results Reported in medRxiv Preprints vs Peer-reviewed Journal Articles
Janda G, Khetpal V, Shi X, Ross J, Wallach J. Comparison of Clinical Study Results Reported in medRxiv Preprints vs Peer-reviewed Journal Articles. JAMA Network Open 2022, 5: e2245847. PMID: 36484989, PMCID: PMC9856222, DOI: 10.1001/jamanetworkopen.2022.45847.Peer-Reviewed Original ResearchConceptsPrimary end pointPrimary end point resultsPeer-reviewed journalsClinical studiesEnd pointClinical trialsObservational studyStudy characteristicsEnd point resultsClinical study resultsMost clinical studiesCross-sectional studyHealth-related outcomesSample sizeMAIN OUTCOMEPeer-reviewed publicationsMedRxivEffect estimatesStudy interpretationDiscordant pairsCOVID-19Trials
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 devicesClinical studies sponsored by digital health companies participating in the FDA’s Precertification Pilot Program: A cross-sectional analysis
Bartlett VL, Dhruva SS, Shah ND, Ross JS. Clinical studies sponsored by digital health companies participating in the FDA’s Precertification Pilot Program: A cross-sectional analysis. Clinical Trials 2021, 19: 119-122. PMID: 34632824, PMCID: PMC9888320, DOI: 10.1177/17407745211048493.Peer-Reviewed Original ResearchCharacteristics of Clinical Studies Used for US Food and Drug Administration Supplemental Indication Approvals of Drugs and Biologics, 2017 to 2019
Dhodapkar M, Zhang AD, Puthumana J, Downing NS, Shah ND, Ross JS. Characteristics of Clinical Studies Used for US Food and Drug Administration Supplemental Indication Approvals of Drugs and Biologics, 2017 to 2019. JAMA Network Open 2021, 4: e2113224. PMID: 34110392, PMCID: PMC8193429, DOI: 10.1001/jamanetworkopen.2021.13224.Peer-Reviewed Original ResearchConceptsPrimary efficacy end pointEfficacy end pointPivotal trialsIndication approvalsActive comparatorClinical outcomesSupplemental indicationsUS FoodEnd pointOriginal approvalTherapeutic areasPivotal efficacy trialsCross-sectional studyAdditional clinical dataDrug Administration approvalNew indication approvalsStrength of evidenceAdministration approvalMonths durationClinical dataClinical studiesEfficacy trialsMedian numberCancer indicationsMAIN OUTCOMEUS 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 approvalReporting of Study Participant Demographic Characteristics and Demographic Representation in Premarketing and Postmarketing Studies of Novel Cancer Therapeutics
Varma T, Wallach JD, Miller JE, Schnabel D, Skydel JJ, Zhang AD, Dinan MA, Ross JS, Gross CP. Reporting of Study Participant Demographic Characteristics and Demographic Representation in Premarketing and Postmarketing Studies of Novel Cancer Therapeutics. JAMA Network Open 2021, 4: e217063. PMID: 33877309, PMCID: PMC8058642, DOI: 10.1001/jamanetworkopen.2021.7063.Peer-Reviewed Original ResearchConceptsNovel cancer therapeuticsPostmarketing studyBlack patientsCancer therapeuticsDemographic dataOlder adultsUS cancer populationUS Cancer StatisticsCross-sectional studyRace/ethnicityParticipants' demographic characteristicsPercentage of trialsPatient sexCancer populationClinical studiesCancer statisticsMAIN OUTCOMEDrug AdministrationFDA approvalStudy participantsCancer typesDemographic characteristicsDemographic informationStudy samplePatientsAssessment of Concordance and Discordance Among Clinical Studies Posted as Preprints and Subsequently Published in High-Impact Journals
Shi X, Ross JS, Amancharla N, Niforatos JD, Krumholz HM, Wallach JD. Assessment of Concordance and Discordance Among Clinical Studies Posted as Preprints and Subsequently Published in High-Impact Journals. JAMA Network Open 2021, 4: e212110. PMID: 33734411, PMCID: PMC7974637, DOI: 10.1001/jamanetworkopen.2021.2110.Peer-Reviewed Original Research
2019
Postmarketing commitments for novel drugs and biologics approved by the US Food and Drug Administration: a cross-sectional analysis
Wallach JD, Luxkaranayagam AT, Dhruva SS, Miller JE, Ross JS. Postmarketing commitments for novel drugs and biologics approved by the US Food and Drug Administration: a cross-sectional analysis. BMC Medicine 2019, 17: 117. PMID: 31203816, PMCID: PMC6572730, DOI: 10.1186/s12916-019-1344-3.Peer-Reviewed Original ResearchConceptsNew clinical trialsClinical trialsPostmarketing commitmentFDA approvalPeer-reviewed journalsNovel drugsPharmaceutical companiesCross-sectional analysisRate of completionRates of registrationClinical studiesPublic reporting requirementsFirst approvalTherapeutic evaluationUS FoodDrug AdministrationTrialsNew drugsFDA documentsBiologicsFDADrugsFDA recordsApprovalStatusAnalysis of Postapproval Clinical Trials of Therapeutics Approved by the US Food and Drug Administration Without Clinical Postmarketing Requirements or Commitments
Skydel JJ, Luxkaranayagam AT, Dhruva SS, Ross JS, Wallach JD. Analysis of Postapproval Clinical Trials of Therapeutics Approved by the US Food and Drug Administration Without Clinical Postmarketing Requirements or Commitments. JAMA Network Open 2019, 2: e193410. PMID: 31074812, PMCID: PMC6512282, DOI: 10.1001/jamanetworkopen.2019.3410.Peer-Reviewed Original ResearchConceptsPostapproval clinical trialsClinical trialsPrimary completion datePostmarketing requirementsNovel therapeuticsDrug AdministrationUS FoodNew indicationsPharmaceutical companiesNew clinical studiesCross-sectional analysisClinical outcomesStudy design elementsPatient populationUnapproved indicationsEfficacy dataClinical studiesStudy completionMAIN OUTCOMEFirst approvalMost trialsTrialsFDATherapeutic approvalsTherapeutics
2017
Postapproval 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
Participation of the elderly, women, and minorities in pivotal trials supporting 2011–2013 U.S. Food and Drug Administration approvals
Downing NS, Shah ND, Neiman JH, Aminawung JA, Krumholz HM, Ross JS. Participation of the elderly, women, and minorities in pivotal trials supporting 2011–2013 U.S. Food and Drug Administration approvals. Trials 2016, 17: 199. PMID: 27079511, PMCID: PMC4832528, DOI: 10.1186/s13063-016-1322-4.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedClinical Trials as TopicCross-Sectional StudiesDatabases, FactualDrug ApprovalEthnicityFemaleHealth Status DisparitiesHealthcare DisparitiesHumansMaleMiddle AgedMinority GroupsPatient SelectionSex FactorsTime FactorsUnited StatesUnited States Food and Drug AdministrationConceptsSubgroup efficacy analysesPivotal trialsEfficacy analysisNovel therapeuticsSubgroup analysisTrial participantsU.S. FoodMean proportionAvailable FDA documentsCross-sectional studyDrug Administration approvalBasis of approvalYears of ageTrial patientsElderly patientsMedian ageBlack patientsAsian patientsAdministration approvalClinical studiesFDA reviewersPatientsHispanic participantsTrialsDemographic characteristics
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 documentsMonthsPostmarketPost-market clinical research conducted by medical device manufacturers: a cross-sectional survey
Ross JS, Blount KL, Ritchie JD, Hodshon B, Krumholz HM. Post-market clinical research conducted by medical device manufacturers: a cross-sectional survey. Medical Devices Evidence And Research 2015, Volume 8: 241-249. PMID: 26060416, PMCID: PMC4454210, DOI: 10.2147/mder.s82964.Peer-Reviewed Original Research
2014
High Incarceration Rates Among Black Men Enrolled In Clinical Studies May Compromise Ability To Identify Disparities
Wang EA, Aminawung JA, Wildeman C, Ross JS, Krumholz HM. High Incarceration Rates Among Black Men Enrolled In Clinical Studies May Compromise Ability To Identify Disparities. Health Affairs 2014, 33: 848-855. PMID: 24799583, PMCID: PMC4065793, DOI: 10.1377/hlthaff.2013.1325.Peer-Reviewed Original ResearchConceptsClinical studiesHealth outcomesBlack menProspective clinical studyObservational clinical researchBlood InstituteNational HeartClinical researchWhite womenRacial disparitiesWhite menMinimal riskMenBlack womenHigh rateJail inmatesMinority populationsWomenOutcomesEffects of incarcerationImpact of incarcerationHigh incarceration ratesIncarcerationLungFollow
2011
Study of Neurontin: Titrate to Effect, Profile of Safety (STEPS) Trial: A Narrative Account of a Gabapentin Seeding Trial
Krumholz SD, Egilman DS, Ross JS. Study of Neurontin: Titrate to Effect, Profile of Safety (STEPS) Trial: A Narrative Account of a Gabapentin Seeding Trial. JAMA Internal Medicine 2011, 171: 1100-1107. PMID: 21709111, PMCID: PMC3319750, DOI: 10.1001/archinternmed.2011.241.Peer-Reviewed Original Research