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 AdministrationTherapy
2023
US 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 Research
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-19TrialsSpending 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
2021
Assessment 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 ResearchReal-world Cardiovascular Outcomes Associated With Degarelix vs Leuprolide for Prostate Cancer Treatment
Wallach JD, Deng Y, McCoy RG, Dhruva SS, Herrin J, Berkowitz A, Polley EC, Quinto K, Gandotra C, Crown W, Noseworthy P, Yao X, Shah ND, Ross JS, Lyon TD. Real-world Cardiovascular Outcomes Associated With Degarelix vs Leuprolide for Prostate Cancer Treatment. JAMA Network Open 2021, 4: e2130587. PMID: 34677594, PMCID: PMC8536955, DOI: 10.1001/jamanetworkopen.2021.30587.Peer-Reviewed Original ResearchConceptsMajor adverse cardiovascular eventsSecondary end pointsMyocardial infarctionClinical trialsCardiovascular diseaseProstate cancerCardiovascular eventsEnd pointRisk of MACELarge US administrative claims databasePropensity-matched cohort studyUS administrative claims databasePropensity score-matched patientsAdverse cardiovascular eventsPrimary end pointAdministrative claims databaseProportional hazards regressionRandomized clinical trialsAdministrative claims dataTrial eligibility criteriaMedicare Advantage beneficiariesProstate cancer treatmentReal-world evidenceElectronic health recordsCardiovascular outcomes
2020
Assessment of Clinical Trials Supporting US Food and Drug Administration Approval of Novel Therapeutic Agents, 1995-2017
Zhang AD, Puthumana J, Downing NS, Shah ND, Krumholz HM, Ross JS. Assessment of Clinical Trials Supporting US Food and Drug Administration Approval of Novel Therapeutic Agents, 1995-2017. JAMA Network Open 2020, 3: e203284. PMID: 32315070, PMCID: PMC7175081, DOI: 10.1001/jamanetworkopen.2020.3284.Peer-Reviewed Original ResearchConceptsPivotal trialsProportion of indicationsIndication approvalsNew drugsUS FoodTrial durationPrimary end pointTherapeutic areasPivotal efficacy trialsCross-sectional studyDrug Administration approvalFast track designationCommon therapeutic areasRecent FDA approvalOrphan designationLonger trial durationAccelerated approvalAdministration approvalClinical trialsMonths durationEfficacy trialsMAIN OUTCOMETherapeutic safetyDrug AdministrationFDA approval
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
2018
Age of Data at the Time of Publication of Contemporary Clinical Trials
Welsh J, Lu Y, Dhruva SS, Bikdeli B, Desai NR, Benchetrit L, Zimmerman CO, Mu L, Ross JS, Krumholz HM. Age of Data at the Time of Publication of Contemporary Clinical Trials. JAMA Network Open 2018, 1: e181065-e181065. PMID: 30646100, PMCID: PMC6324269, DOI: 10.1001/jamanetworkopen.2018.1065.Peer-Reviewed Original ResearchConceptsClinical trialsFinal data collectionParticipant enrollmentInternal medicineMultivariable linear regression analysisFirst participant enrollmentPrimary end pointMultivariable regression analysisContemporary clinical trialsClinical trial dataJAMA Internal MedicineRegression analysisCross-sectional analysisTime of publicationMedian timeTrial characteristicsOutcome measuresMAIN OUTCOMENew England JournalClinical practiceLinear regression analysisTrial dataEnd pointTrial resultsTrials
2016
Compliance with prospective trial registration guidance remained low in high-impact journals and has implications for primary end point reporting
Dal-Ré R, Ross JS, Marušić A. Compliance with prospective trial registration guidance remained low in high-impact journals and has implications for primary end point reporting. Journal Of Clinical Epidemiology 2016, 75: 100-107. PMID: 26820559, DOI: 10.1016/j.jclinepi.2016.01.017.Commentaries, Editorials and LettersConceptsPrimary end pointInterim analysisTRIAL REGISTRATIONEnd pointHigh-impact general medicine journalsICMJE policyMain outcome measuresPublic trials registryPredictors of complianceProspective trial registrationTrials of FDACross-sectional analysisPercent of trialsTrials RegistryGeneral medicine journalsProspective registrationOutcome measuresClinical researchStudy designTrial resultsHigh-impact journalsRetrospective registrationTrialsAscertainmentMedicine journals
2014
Place of Residence and Outcomes of Patients With Heart Failure
Bikdeli B, Wayda B, Bao H, Ross JS, Xu X, Chaudhry SI, Spertus JA, Bernheim SM, Lindenauer PK, Krumholz HM. Place of Residence and Outcomes of Patients With Heart Failure. Circulation Cardiovascular Quality And Outcomes 2014, 7: 749-756. PMID: 25074375, PMCID: PMC5323058, DOI: 10.1161/circoutcomes.113.000911.Peer-Reviewed Original ResearchConceptsNeighborhood socioeconomic statusIndividual socioeconomic statusOutcomes of patientsHeart failureHigher SES neighborhoodsSocioeconomic statusClinical factorsHeart Failure Outcomes trialPrimary end pointPatient-level factorsUS internal medicineCause mortalityCause readmissionMultivariable adjustmentOutcome trialsMedical chartsPatient interviewsLow-SES neighborhoodsCardiology practiceMortality ratePatientsPlace of residenceInternal medicineReadmissionEnd point