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
Clinical 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 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
2019
Sharing of clinical trial data and results reporting practices among large pharmaceutical companies: cross sectional descriptive study and pilot of a tool to improve company practices
Miller J, Ross JS, Wilenzick M, Mello MM. Sharing of clinical trial data and results reporting practices among large pharmaceutical companies: cross sectional descriptive study and pilot of a tool to improve company practices. The BMJ 2019, 366: l4217. PMID: 31292127, PMCID: PMC6614834, DOI: 10.1136/bmj.l4217.Peer-Reviewed Original ResearchConceptsClinical trial dataTrial dataDrug approvalSectional descriptive studyPharmaceutical companiesFDA drug approvalsLarge pharmaceutical companiesClinical trialsDrug levelsNew drug approvalsUS FoodDrug AdministrationNew drug applicationsFDA approvalPatientsNovel drugsDescriptive studyDrug applicationTrialsDrugsExternal investigatorsSharing scoreDrug companiesTrial transparencyStudy measuresPostmarketing 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
Comparison of treatment effect sizes from pivotal and postapproval trials of novel therapeutics approved by the FDA based on surrogate markers of disease: a meta-epidemiological study
Wallach JD, Ciani O, Pease AM, Gonsalves GS, Krumholz HM, Taylor RS, Ross JS. Comparison of treatment effect sizes from pivotal and postapproval trials of novel therapeutics approved by the FDA based on surrogate markers of disease: a meta-epidemiological study. BMC Medicine 2018, 16: 45. PMID: 29562926, PMCID: PMC5863466, DOI: 10.1186/s12916-018-1023-9.Peer-Reviewed Original ResearchConceptsPostapproval trialsPivotal trialsActual clinical effectSurrogate markerTrial endpointsLarge treatment effectsPrimary endpointNovel therapeuticsNovel drugsTreatment effectsFDA approvalPatient-relevant outcomesMeta-epidemiological studyStandardized mean differenceTreatment effect sizeClinical effectsResultsBetween 2005Odds ratioDrug trialsSame indicationDrug AdministrationEvidence of differencesMean differenceU.S. FoodDisease
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 approvalDiseaseTrialsDrugsFDAEndpointEfficacyMarkers