2024
Reporting of surrogate endpoints in randomised controlled trial protocols (SPIRIT-Surrogate): extension checklist with explanation and elaboration
Manyara A, Davies P, Stewart D, Weir C, Young A, Blazeby J, Butcher N, Bujkiewicz S, Chan A, Dawoud D, Offringa M, Ouwens M, Hróbjartsson A, Amstutz A, Bertolaccini L, Bruno V, Devane D, Faria C, Gilbert P, Harris R, Lassere M, Marinelli L, Markham S, Powers J, Rezaei Y, Richert L, Schwendicke F, Tereshchenko L, Thoma A, Turan A, Worrall A, Christensen R, Collins G, Ross J, Taylor R, Ciani O. Reporting of surrogate endpoints in randomised controlled trial protocols (SPIRIT-Surrogate): extension checklist with explanation and elaboration. The BMJ 2024, 386: e078525. PMID: 38981624, PMCID: PMC11231880, DOI: 10.1136/bmj-2023-078525.Peer-Reviewed Original ResearchConceptsTrial protocolRandomised controlled trial protocolTarget outcomesReduce research wasteStandard Protocol ItemsRandomised controlled trialsIntervention effectsProtocol ItemsInterpretation of findingsResearch wasteImprove reportingPrimary outcome(sIntervention trialsControlled trialsChecklistSurrogate endpointsInterventionItemsIncreasing callsTrialsGuidelinesOutcomesLimited informationOutcome(sHarmReporting of surrogate endpoints in randomised controlled trial reports (CONSORT-Surrogate): extension checklist with explanation and elaboration
Manyara A, Davies P, Stewart D, Weir C, Young A, Blazeby J, Butcher N, Bujkiewicz S, Chan A, Dawoud D, Offringa M, Ouwens M, Hróbjartsson A, Amstutz A, Bertolaccini L, Bruno V, Devane D, Faria C, Gilbert P, Harris R, Lassere M, Marinelli L, Markham S, Powers J, Rezaei Y, Richert L, Schwendicke F, Tereshchenko L, Thoma A, Turan A, Worrall A, Christensen R, Collins G, Ross J, Taylor R, Ciani O. Reporting of surrogate endpoints in randomised controlled trial reports (CONSORT-Surrogate): extension checklist with explanation and elaboration. The BMJ 2024, 386: e078524. PMID: 38981645, PMCID: PMC11231881, DOI: 10.1136/bmj-2023-078524.Peer-Reviewed Original ResearchConceptsRandomised controlled trial reportsTrial reportsRandomised controlled trialsControlled trial reportsIntervention treatment effectsResearch wasteTrial findingsTreatment effectsControlled trialsTarget outcomesChecklistAdequate informationSurrogate endpointsInterventionCONSORTItemsTrialsImprove transparencyHarmReportsGuidelinesOutcomesEndpointReporting of Demographics & Subgroup Analyses in Premarketing Studies of FDA Approved High-Risk Cardiovascular Devices, 2014–2022
Swanson M, Uyeki C, Yoder S, Dhruva S, Miller J, Ross J. Reporting of Demographics & Subgroup Analyses in Premarketing Studies of FDA Approved High-Risk Cardiovascular Devices, 2014–2022. Medical Devices Evidence And Research 2024, 17: 165-172. PMID: 38707869, PMCID: PMC11067925, DOI: 10.2147/mder.s457152.Peer-Reviewed Original ResearchFood and Drug AdministrationHigh-risk cardiovascular devicesSubgroup analysisPremarketing studiesUS Food and Drug AdministrationResults of subgroup analysisParticipation of older adultsStudy participantsClinical trialsSocioeconomic positionTrial populationDrug AdministrationStudy populationConduction of subgroup analysisDemographic dataOlder adultsReporting of demographicsSubgroupsPatients' socioeconomic position.PatientsTrials
2023
Geographic and Demographic Representation in Industry-Sponsored, US-Based Clinical Trials of Systemic Lupus Erythematosus Therapies
Skydel J, Ramachandran R, Suttiratana S, Ross J, Burns C, Wallach J. Geographic and Demographic Representation in Industry-Sponsored, US-Based Clinical Trials of Systemic Lupus Erythematosus Therapies. The Journal Of Rheumatology 2023, 51: jrheum.2023-0920. PMID: 38101910, PMCID: PMC10922605, DOI: 10.3899/jrheum.2023-0920.Peer-Reviewed Original ResearchFeasibility of Emulating Clinical Trials Supporting US FDA Supplemental Indication Approvals of Drugs and Biologics
Janda G, Wallach J, Dhodapkar M, Ramachandran R, Ross J. Feasibility of Emulating Clinical Trials Supporting US FDA Supplemental Indication Approvals of Drugs and Biologics. JAMA Internal Medicine 2023, 183: 1271-1273. PMID: 37782514, PMCID: PMC10546285, DOI: 10.1001/jamainternmed.2023.4073.Peer-Reviewed Original ResearchA framework for the definition and interpretation of the use of surrogate endpoints in interventional trials
Ciani O, Manyara A, Davies P, Stewart D, Weir C, Young A, Blazeby J, Butcher N, Bujkiewicz S, Chan A, Dawoud D, Offringa M, Ouwens M, Hróbjartssson A, Amstutz A, Bertolaccini L, Bruno V, Devane D, Faria C, Gilbert P, Harris R, Lassere M, Marinelli L, Markham S, Powers J, Rezaei Y, Richert L, Schwendicke F, Tereshchenko L, Thoma A, Turan A, Worrall A, Christensen R, Collins G, Ross J, Taylor R. A framework for the definition and interpretation of the use of surrogate endpoints in interventional trials. EClinicalMedicine 2023, 65: 102283. PMID: 37877001, PMCID: PMC10590868, DOI: 10.1016/j.eclinm.2023.102283.Peer-Reviewed Original ResearchSurrogate endpointsInterventional trialsIntermediate outcomesHealth technology assessment expertsPrimary outcome measureMeasures of functionTreatment effectsE-Delphi studyOutcome measuresConsensus meetingBetter HealthTarget outcomesTrialsEndpointLack of consensusOutcomesPatientsFuture reportingCurrent definitionUrgent needSymptomsCliniciansSettingBiomarkersAssessing the use of observational methods and real-world data to emulate ongoing randomized controlled trials
Wallach J, Deng Y, Polley E, Dhruva S, Herrin J, Quinto K, Gandotra C, Crown W, Noseworthy P, Yao X, Jeffery M, Lyon T, Ross J, McCoy R. Assessing the use of observational methods and real-world data to emulate ongoing randomized controlled trials. Clinical Trials 2023, 20: 689-698. PMID: 37589143, PMCID: PMC10843567, DOI: 10.1177/17407745231193137.Peer-Reviewed Original ResearchConceptsBaseline participant characteristicsParticipant characteristicsPrimary endpointSecondary endpointsTrial publicationsMajor adverse cardiovascular eventsPropensity score-matched participantsFirst major adverse cardiovascular eventAdverse cardiovascular eventsBaseline patient characteristicsNonfatal myocardial infarctionOptumLabs Data WarehouseElectronic health record dataRepresentative patient populationHealth record dataCardiovascular eventsClinical characteristicsPatient characteristicsPatient populationMyocardial infarctionExclusion criteriaDrug effectivenessTrialsRecord dataEndpointEvidence of publication bias in multiple sclerosis clinical trials: a comparative analysis of published and unpublished studies registered in ClinicalTrials.gov
Rivero-de-Aguilar A, Pérez-Ríos M, Ruano-Raviña A, Candal-Pedreira C, Puente-Hernandez M, Ross J, Varela-Lema L. Evidence of publication bias in multiple sclerosis clinical trials: a comparative analysis of published and unpublished studies registered in ClinicalTrials.gov. Journal Of Neurology Neurosurgery & Psychiatry 2023, 94: 597-604. PMID: 36977551, DOI: 10.1136/jnnp-2023-331132.Peer-Reviewed Original ResearchConceptsClinical trialsPeer-reviewed journalsTrial publicationsPublication biasMultivariate logistic regression analysisMultiple sclerosis clinical trialsFavorable primary outcomeMS clinical researchPhase IIILogistic regression analysisMultiple sclerosis drugsCase-control designTreatment tolerabilityMore patientsPrimary outcomeUnpublished trialsMS drugsTreatment decisionsLower oddsStudy design characteristicsMultivariate analysisClinical researchUnpublished studiesTrialsGoogle ScholarMetrics, 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
PreScription DigitaL ThErapEutic For Patients with Insomnia (SLEEP-I): A Protocol for a Pragmatic Randomized Controlled Trial
Dreyer R, Berkowitz A, Yaggi H, Schneeberg L, Shah N, Emanuel L, Prakash K, Jeffery M, Thorndike F, Deeg M, Ervin K, Ross J. PreScription DigitaL ThErapEutic For Patients with Insomnia (SLEEP-I): A Protocol for a Pragmatic Randomized Controlled Trial. Sleep Medicine 2022, 100: s133-s134. DOI: 10.1016/j.sleep.2022.05.365.Peer-Reviewed Original ResearchComparison 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-19TrialsProtocol for the development of SPIRIT and CONSORT extensions for randomised controlled trials with surrogate primary endpoints: SPIRIT-SURROGATE and CONSORT-SURROGATE
Manyara AM, Davies P, Stewart D, Weir CJ, Young A, Butcher NJ, Bujkiewicz S, Chan AW, Collins GS, Dawoud D, Offringa M, Ouwens M, Ross JS, Taylor RS, Ciani O. Protocol for the development of SPIRIT and CONSORT extensions for randomised controlled trials with surrogate primary endpoints: SPIRIT-SURROGATE and CONSORT-SURROGATE. BMJ Open 2022, 12: e064304. PMID: 36220321, PMCID: PMC9557267, DOI: 10.1136/bmjopen-2022-064304.Peer-Reviewed Original ResearchConceptsSurrogate endpointsPeer-reviewed publicationsSurrogate primary endpointOpen-access peer-reviewed publicationPATIENTS/PARTICIPANTSCompleteness of reportingTranslation of effectsPhase 1Primary endpointPrimary outcomeTrial findingsEthical approvalCONSORT extensionSuch trialsEthics CommitteeEndpointHealth benefitsTrialsPhase 3Final outcomePhase 2Transparent reportingOutcomesPhase 4Additional itemsVibration of effect in more than 16 000 pooled analyses of individual participant data from 12 randomised controlled trials comparing canagliflozin and placebo for type 2 diabetes mellitus: multiverse analysis
Gouraud H, Wallach J, Boussageon R, Ross J, Naudet F. Vibration of effect in more than 16 000 pooled analyses of individual participant data from 12 randomised controlled trials comparing canagliflozin and placebo for type 2 diabetes mellitus: multiverse analysis. BMJ Medicine 2022, 1: e000154. PMID: 36936564, PMCID: PMC9978683, DOI: 10.1136/bmjmed-2022-000154.Peer-Reviewed Original ResearchMajor adverse cardiovascular eventsType 2 diabetes mellitusIndividual participant dataAdverse cardiovascular eventsSerious adverse eventsPooled analysisCanagliflozin treatmentFirst centileCardiovascular eventsHazard ratioAdverse eventsDiabetes mellitusParticipant dataEffect estimatesFavour of placeboSerum glycated hemoglobinIndividual patient dataVibration of effectsWeek 12Glycated hemoglobinPlaceboCentileCanagliflozinPatient dataTrials
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 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 ResearchAccess to COVID-19 Vaccines in High-, Middle-, and Low-Income Countries Hosting Clinical Trials
Ramachandran R, Ross JS, Miller JE. Access to COVID-19 Vaccines in High-, Middle-, and Low-Income Countries Hosting Clinical Trials. JAMA Network Open 2021, 4: e2134233. PMID: 34792596, PMCID: PMC8603077, DOI: 10.1001/jamanetworkopen.2021.34233.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 ResearchClinical 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 companiesApprovalMedianEvaluation of Trials Comparing Single-Enantiomer Drugs to Their Racemic Precursors
Long AS, Zhang AD, Meyer CE, Egilman AC, Ross JS, Wallach JD. Evaluation of Trials Comparing Single-Enantiomer Drugs to Their Racemic Precursors. JAMA Network Open 2021, 4: e215731. PMID: 33956134, PMCID: PMC8103227, DOI: 10.1001/jamanetworkopen.2021.5731.Peer-Reviewed Original ResearchConceptsRandomized clinical trialsSafety end pointEnd pointClinical trialsDrug pairsPrimary end point resultsEnd point resultsImproved efficacyEfficacy end pointCochrane Central RegistrySeparate end pointsSingle-enantiomer drugsSingle enantiomer formulationPrimary efficacySecondary efficacyControlled TrialsOvid EmbaseOvid MEDLINESuperior efficacyDrug AdministrationCentral RegistrySystematic reviewMore efficacyTrialsRacemic drugs