2023
Therapeutic 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 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 disagreementReviewActionAdministration
2022
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
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
Feasibility 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 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 ResearchEvaluation of Drug Trials in High-, Middle-, and Low-Income Countries and Local Commercial Availability of Newly Approved Drugs
Miller JE, Mello MM, Wallach JD, Gudbranson EM, Bohlig B, Ross JS, Gross CP, Bach PB. Evaluation of Drug Trials in High-, Middle-, and Low-Income Countries and Local Commercial Availability of Newly Approved Drugs. JAMA Network Open 2021, 4: e217075. PMID: 33950209, PMCID: PMC8100865, DOI: 10.1001/jamanetworkopen.2021.7075.Peer-Reviewed Original ResearchConceptsFDA approvalHigh-income countriesDrug approvalIncome countriesNovel drugsDrug Administration (FDA) drug approvalsRegulatory agency websitesCross-sectional analysisProportion of drugPrimary outcomeFDA drug approvalsProportion of countriesDrug trialsMAIN OUTCOMEUS FoodClinical researchCountry income levelLow-income countriesMarketing approvalTrialsGoogle ScholarDrugsDrug companiesApprovalMedian
2020
Association between FDA and EMA expedited approval programs and therapeutic value of new medicines: retrospective cohort study
Hwang TJ, Ross JS, Vokinger KN, Kesselheim AS. Association between FDA and EMA expedited approval programs and therapeutic value of new medicines: retrospective cohort study. The BMJ 2020, 371: m3434. PMID: 33028575, PMCID: PMC7537471, DOI: 10.1136/bmj.m3434.Peer-Reviewed Original ResearchConceptsEuropean Medicines AgencyRetrospective cohort studyTherapeutic valueHigh therapeutic valueNew drugsCohort studyLow therapeutic valueEMA approvalUS FoodDrug AdministrationMedicines AgencyFDA approvalDrugsFDARegulatory approvalApproval programsNew medicinesAssociationGreater proportionApprovalProportionAdministrationPostmarket 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 ResearchDisagreements Within the US Food and Drug Administration Regarding Approval of Novel Therapeutic Agents, 2011-2015
MacGregor A, Zhang AD, Wallach JD, Ross JS, Herder M. Disagreements Within the US Food and Drug Administration Regarding Approval of Novel Therapeutic Agents, 2011-2015. JAMA Network Open 2020, 3: e209498. PMID: 32706379, PMCID: PMC7382003, DOI: 10.1001/jamanetworkopen.2020.9498.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 recordsApprovalStatus
2018
Availability of Investigational Medicines Through the US Food and Drug Administration’s Expanded Access and Compassionate Use Programs
Puthumana J, Miller JE, Kim J, Ross JS. Availability of Investigational Medicines Through the US Food and Drug Administration’s Expanded Access and Compassionate Use Programs. JAMA Network Open 2018, 1: e180283-e180283. PMID: 30646072, PMCID: PMC6324420, DOI: 10.1001/jamanetworkopen.2018.0283.Peer-Reviewed Original ResearchConceptsCompassionate use programInvestigational medicinesFDA approvalNew drug application submissionAccess programExpanded AccessUS FoodAvailable FDA documentsLife-threatening conditionCross-sectional studyEvidence of safetyProtection of patientsUse programClinical trialsMAIN OUTCOMEDrug AdministrationInfectious diseasesDrug accessClinical development periodsFDA documentsApplication submissionPatientsDiseaseApprovalMonthsPostmarket studies required by the US Food and Drug Administration for new drugs and biologics approved between 2009 and 2012: cross sectional analysis
Wallach JD, Egilman AC, Dhruva SS, McCarthy ME, Miller JE, Woloshin S, Schwartz LM, Ross JS. Postmarket studies required by the US Food and Drug Administration for new drugs and biologics approved between 2009 and 2012: cross sectional analysis. The BMJ 2018, 361: k2031. PMID: 29794072, PMCID: PMC5967364, DOI: 10.1136/bmj.k2031.Peer-Reviewed Original ResearchConceptsProspective cohort studyCohort studyClinical trialsPostmarketing requirementsTimeliness of registrationNew drugsUS FoodDrug AdministrationFDA approvalStudy designNumber of patientsSectional analysisPostmarket studiesFirst approvalRegistrySecondary analysisTrialsBiologicsDrugsComparator typeAdministrationApprovalFDAFDA's authority