2021
Analysis of Sociodemographic, Clinical, and Genomic Factors Associated With Breast Cancer Mortality in the Linked Surveillance, Epidemiology, and End Results and Medicare Database
Robinson TJ, Wilson LE, Marcom PK, Troester M, Lynch CF, Hernandez BY, Parrilla E, Brauer HA, Dinan MA. Analysis of Sociodemographic, Clinical, and Genomic Factors Associated With Breast Cancer Mortality in the Linked Surveillance, Epidemiology, and End Results and Medicare Database. JAMA Network Open 2021, 4: e2131020. PMID: 34714340, PMCID: PMC8556625, DOI: 10.1001/jamanetworkopen.2021.31020.Peer-Reviewed Original ResearchMeSH KeywordsAgedBreast NeoplasmsCohort StudiesDatabases, FactualFemaleHumansMedicareSEER ProgramUnited StatesConceptsResidual tissue repositoryBreast cancer outcomesSEER-Medicare dataCancer outcomesCox proportional hazards regression modelHealth servicesEstrogen receptor-positive invasive breast cancerSymptomatic detectionBreast cancer-specific survivalPopulation-based cohort studyEstrogen receptor-positive tumorsProportional hazards regression modelsExploratory genomic analysisSEER-Medicare cohortCancer-specific survivalSocioeconomic statusHigh-grade diseaseInvasive breast cancerReceptor-positive tumorsSubset of womenBreast cancer mortalityAdvanced disease stageHazards regression modelsClaims-based algorithmGrowth factor β activation
2020
Association of 21-Gene Assay (OncotypeDX) Testing and Receipt of Chemotherapy in the Medicare Breast Cancer Patient Population Following Initial Adoption
Dinan MA, Wilson LE, Reed SD, Griggs JJ, Norton EC. Association of 21-Gene Assay (OncotypeDX) Testing and Receipt of Chemotherapy in the Medicare Breast Cancer Patient Population Following Initial Adoption. Clinical Breast Cancer 2020, 20: 487-494.e1. PMID: 32653473, DOI: 10.1016/j.clbc.2020.05.010.Peer-Reviewed Original Research
2019
Extent of surgery for low-risk thyroid cancer in the elderly: Equipoise in survival but not in short-term outcomes
Zambeli-Ljepović A, Wang F, Dinan MA, Hyslop T, Stang MT, Roman SA, Sosa JA, Scheri RP. Extent of surgery for low-risk thyroid cancer in the elderly: Equipoise in survival but not in short-term outcomes. Surgery 2019, 166: 895-900. PMID: 31288935, PMCID: PMC6802283, DOI: 10.1016/j.surg.2019.05.035.Peer-Reviewed Original ResearchConceptsPapillary thyroid cancerLow-risk papillary thyroid cancerEmergency department visitsShort-term outcomesTotal thyroidectomyThyroid cancerFemale patientsBlack patientsEnd Results-Medicare databaseMore emergency department visitsLow-risk thyroid cancerExtent of thyroidectomyExtent of surgeryMultivariable logistic regressionUnderwent lobectomyUnplanned readmissionOlder patientsAvoidable complicationsMean ageMorbidity increasesThyroidectomyPatientsReadmissionComplicationsLobectomyLow-Risk Thyroid Cancer in Elderly: Total Thyroidectomy/RAI Predominates but Lacks Survival Advantage
Zambeli-Ljepović A, Wang F, Dinan MA, Hyslop T, Roman SA, Sosa J, Scheri RP. Low-Risk Thyroid Cancer in Elderly: Total Thyroidectomy/RAI Predominates but Lacks Survival Advantage. Journal Of Surgical Research 2019, 243: 189-197. PMID: 31185435, PMCID: PMC6773493, DOI: 10.1016/j.jss.2019.05.029.Peer-Reviewed Original ResearchConceptsDisease-specific survivalPapillary thyroid cancerExtent of surgeryTotal thyroidectomyTumor sizeThyroid cancerLow-risk papillary thyroid cancerEnd Results-Medicare databaseLow-risk thyroid cancerOlder adultsNational treatment patternsRadioactive iodine administrationUnderwent total thyroidectomyLarger tumor sizeMultivariable logistic regressionQuality of lifeMost older adultsPostoperative RAIRAI administrationCompletion thyroidectomyExcellent prognosisOlder patientsExtensive surgeryFavorable prognosisMedian ageShared-patient physician networks and their impact on the uptake of genomic testing in breast cancer
Rotter J, Wilson L, Greiner MA, Pollack CE, Dinan M. Shared-patient physician networks and their impact on the uptake of genomic testing in breast cancer. Breast Cancer Research And Treatment 2019, 176: 445-451. PMID: 31028607, PMCID: PMC6556129, DOI: 10.1007/s10549-019-05248-2.Peer-Reviewed Original ResearchConceptsPatient-level analysisOncotype DXBreast cancerMedical oncologistsEarly-stage breast cancerGenomic testingPhysician networksODX testingMore patientsRetrospective studySEER-MedicareStudy criteriaSuboptimal treatmentCancer patientsMedian numberModifiable driversModifiable meansPatientsOncologistsLogistic mixed modelsEarly adoption periodWomenCancerPhysiciansGenomic assaysChemotherapy Costs and 21-Gene Recurrence Score Genomic Testing Among Medicare Beneficiaries With Early-Stage Breast Cancer, 2005 to 2011.
Dinan MA, Wilson LE, Reed SD. Chemotherapy Costs and 21-Gene Recurrence Score Genomic Testing Among Medicare Beneficiaries With Early-Stage Breast Cancer, 2005 to 2011. Journal Of The National Comprehensive Cancer Network 2019, 17: 245-254. PMID: 30865923, DOI: 10.6004/jnccn.2018.7097.Peer-Reviewed Original ResearchConceptsLow-risk diseaseHigh-risk patientsHigh-risk diseaseRS testingMedicare beneficiariesPrimary analysisEstrogen receptor-positive breast cancerReceptor-positive breast cancerLower chemotherapy useIntermediate-risk diseaseIntermediate-risk patientsRetrospective cohort studyGenomic testingSEER-Medicare dataChemotherapy useCohort studyMultivariable analysisBreast cancerChemotherapy costsLow overall useMAIN OUTCOMEMedicare populationPatientsHigher overall costsDisease
2018
Advanced imaging and hospice use in end-of-life cancer care
Dinan MA, Curtis LH, Setoguchi S, Cheung WY. Advanced imaging and hospice use in end-of-life cancer care. Supportive Care In Cancer 2018, 26: 3619-3625. PMID: 29728843, DOI: 10.1007/s00520-018-4223-0.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBlack or African AmericanBreast NeoplasmsColorectal NeoplasmsComorbidityDiagnostic ImagingFemaleHospice CareHospicesHumansLung NeoplasmsMaleMedicareMiddle AgedNeoplasmsOutcome Assessment, Health CareProstatic NeoplasmsReferral and ConsultationRetrospective StudiesSEER ProgramTerminal CareUnited StatesConceptsHospital referral regionsHospice enrollmentComputerized tomographyHospice useLife careReferral regionsAdvanced imagingPopulation-based retrospective studyHigh rateLate hospice enrollmentLife cancer careMultivariable logistic regressionSEER-Medicare dataMagnetic resonance imagingPositron emission tomographyEnd of lifeGreater comorbidityReal-world practiceAggressive endBlack patientsMultivariable analysisRetrospective studyResultsA totalStudy criteriaCancer careAssociation between physician characteristics and the use of 21-gene recurrence score genomic testing among Medicare beneficiaries with early-stage breast cancer, 2008–2011
Wilson LE, Pollack CE, Greiner MA, Dinan MA. Association between physician characteristics and the use of 21-gene recurrence score genomic testing among Medicare beneficiaries with early-stage breast cancer, 2008–2011. Breast Cancer Research And Treatment 2018, 170: 361-371. PMID: 29536319, DOI: 10.1007/s10549-018-4746-6.Peer-Reviewed Original ResearchConceptsMedical oncologistsPhysician characteristicsBreast cancerGenomic testingMedicare beneficiariesAmerican Medical Association Physician Master FileNode-negative breast cancerEarly-stage breast cancerReceipt of testingMethodsRetrospective cohort studyYear of diagnosisPhysician-level factorsPhysician-level characteristicsMultivariable regression modelsAdjuvant chemotherapyCohort studyRS testingOptimal careResultsA totalStudy criteriaSurgical oncologySurgical proceduresHigher oddsMAIN OUTCOMELower odds
2015
Association Between Use of the 21-Gene Recurrence Score Assay and Receipt of Chemotherapy Among Medicare Beneficiaries With Early-Stage Breast Cancer, 2005-2009
Dinan MA, Mi X, Reed SD, Lyman GH, Curtis LH. Association Between Use of the 21-Gene Recurrence Score Assay and Receipt of Chemotherapy Among Medicare Beneficiaries With Early-Stage Breast Cancer, 2005-2009. JAMA Oncology 2015, 1: 1098. PMID: 26313372, DOI: 10.1001/jamaoncol.2015.2722.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAntineoplastic AgentsBiomarkers, TumorBreast NeoplasmsChemotherapy, AdjuvantChi-Square DistributionFemaleGene Expression ProfilingGenetic Predisposition to DiseaseGenetic TestingGuideline AdherenceHumansInsurance BenefitsMedicareMultivariate AnalysisNeoplasm Recurrence, LocalNeoplasm StagingOdds RatioPatient SelectionPhenotypePractice Guidelines as TopicPredictive Value of TestsRetrospective StudiesRisk AssessmentRisk FactorsSEER ProgramTime FactorsTreatment OutcomeUnited StatesConceptsReceipt of chemotherapyLower chemotherapy useHigh-risk diseasePatients 70 yearsChemotherapy useBreast cancerRecurrence scoreMedicare beneficiariesNational Comprehensive Cancer Network guidelinesEarly-stage breast cancerConsideration of chemotherapyLow-risk diseaseOverall chemotherapy useIncident breast cancerLow-risk patientsRetrospective cohort studyHigh-risk patientsPrespecified subgroup analysisUse of chemotherapyAdditional prognostic informationEnd Results (SEER) dataInvasive breast cancerRS assayNCCN riskAdjuvant chemotherapyResource Use in the Last Year of Life Among Patients Who Died With Versus of Prostate Cancer
Dinan MA, Li Y, Zhang Y, Stewart SB, Curtis LH, George DJ, Reed SD. Resource Use in the Last Year of Life Among Patients Who Died With Versus of Prostate Cancer. Clinical Genitourinary Cancer 2015, 14: 28-37.e2. PMID: 26382223, PMCID: PMC4698191, DOI: 10.1016/j.clgc.2015.07.006.Peer-Reviewed Original ResearchConceptsEnd Results-Medicare dataEnd of lifeProstate cancerOutpatient settingOutpatient useRetrospective analysisMore hospicesLower mean inpatient costsSkilled nursing facility daysIntensive care unit daysIntensive care unit useJudicious careAndrogen deprivation therapyOverall health care costsUse of chemotherapyMean inpatient costsMultiple invasive proceduresHealth care costsSignificant financial burdenDeprivation therapyNoncancer causesICU useSingle strongest predictorUnit daysInpatient costsLongitudinal Trends in Costs of Palliative Radiation for Metastatic Prostate Cancer
Robinson TJ, Dinan MA, Li Y, Lee WR, Reed SD. Longitudinal Trends in Costs of Palliative Radiation for Metastatic Prostate Cancer. Journal Of Palliative Medicine 2015, 18: 933-939. PMID: 26241733, PMCID: PMC4638209, DOI: 10.1089/jpm.2015.0171.Peer-Reviewed Original ResearchConceptsMetastatic prostate cancerProstate cancer metastasisRadiation therapyTreatment courseProstate cancerBony metastasesEnd Results-Medicare dataRadiation treatmentCancer metastasisCost-effective palliationPalliative radiation therapyPalliative radiation treatmentGeneral patient populationShort treatment courseHospital-based settingStudy inclusion criteriaTotal Medicare paymentsRadiation treatment courseRadiation therapy techniquesLack of evidencePalliative radiationPalliative settingPalliative treatmentClinical benefitPatient populationPresence and Number of Lymph Node Metastases Are Associated With Compromised Survival for Patients Younger Than Age 45 Years With Papillary Thyroid Cancer
Adam MA, Pura J, Goffredo P, Dinan MA, Reed SD, Scheri RP, Hyslop T, Roman SA, Sosa JA. Presence and Number of Lymph Node Metastases Are Associated With Compromised Survival for Patients Younger Than Age 45 Years With Papillary Thyroid Cancer. Journal Of Clinical Oncology 2015, 33: 2370-2375. PMID: 26077238, DOI: 10.1200/jco.2014.59.8391.Peer-Reviewed Original ResearchConceptsCervical lymph node metastasisAge 45 yearsLymph node metastasisPapillary thyroid cancerMetastatic lymph nodesAmerican Joint CommitteeOverall survivalNode metastasisMetastatic nodesLymph nodesNodal metastasisThyroid cancerJoint CommitteeAssociation of OSPatients age 45 yearsNational Cancer Data BaseCurrent American Joint CommitteeMore positive nodesLow-risk diseasePresence of lymphAdditional mortality riskPositive nodesPreoperative screeningAdult patientsSEER databaseInitial Trends in the Use of the 21-Gene Recurrence Score Assay for Patients With Breast Cancer in the Medicare Population, 2005-2009
Dinan MA, Mi X, Reed SD, Hirsch BR, Lyman GH, Curtis LH. Initial Trends in the Use of the 21-Gene Recurrence Score Assay for Patients With Breast Cancer in the Medicare Population, 2005-2009. JAMA Oncology 2015, 1: 158-166. PMID: 26181015, DOI: 10.1001/jamaoncol.2015.43.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overBiomarkers, TumorBreast NeoplasmsChemotherapy, AdjuvantChi-Square DistributionFemaleGene Expression ProfilingGenetic Predisposition to DiseaseGuideline AdherenceHealthcare DisparitiesHumansMedicareMultivariate AnalysisNeoplasm Recurrence, LocalNeoplasm StagingOdds RatioPhenotypePractice Guidelines as TopicPractice Patterns, Physicians'Predictive Value of TestsRacial GroupsResidence CharacteristicsRetrospective StudiesRisk AssessmentRisk FactorsSEER ProgramTime FactorsTreatment OutcomeUnited StatesConceptsIntermediate-risk diseaseBreast cancerRecurrence scoreClinical practiceNode-negative breast cancerNational Comprehensive Cancer NetworkAdjuvant chemotherapy useIncident breast cancerComprehensive Cancer NetworkEnd Results (SEER) dataHigh-grade diseaseRetrospective observational studyRoutine clinical practiceTumor histologic characteristicsMedicare coverage decisionsAdjuvant chemotherapyChemotherapy useN1 diseaseMost patientsComorbid conditionsMultivariable analysisRS assayClinical variablesStudy criteriaBlack raceImpact of Extent of Surgery on Survival for Papillary Thyroid Cancer Patients Younger Than 45 Years
Adam M, Pura J, Goffredo P, Dinan MA, Hyslop T, Reed SD, Scheri RP, Roman SA, Sosa JA. Impact of Extent of Surgery on Survival for Papillary Thyroid Cancer Patients Younger Than 45 Years. The Journal Of Clinical Endocrinology & Metabolism 2015, 100: 115-121. PMID: 25337927, PMCID: PMC5399499, DOI: 10.1210/jc.2014-3039.Peer-Reviewed Original ResearchMeSH KeywordsAdultCarcinoma, PapillaryFemaleHumansMalePrognosisSEER ProgramSurvival RateThyroid NeoplasmsThyroidectomyConceptsPapillary thyroid cancer patientsTotal thyroidectomyOverall survivalThyroid cancer patientsImpact of extentYears of ageCancer patientsNational Cancer Data BaseUnadjusted overall survivalLymph node diseaseExtent of resectionEnd Results (SEER) datasetAdult patientsClinical characteristicsExcellent prognosisNode diseasePathologic factorsImproved survivalThyroid lobectomyTumor sizeCurrent guidelinesMultivariable modelingLobectomyMAIN OUTCOMEThyroidectomy
2014
Costs, Effectiveness, and Workload Impact of Management Strategies for Women With an Adnexal Mass
Havrilesky LJ, Dinan M, Sfakianos GP, Curtis LH, Barnett JC, Van Gorp T, Myers ER. Costs, Effectiveness, and Workload Impact of Management Strategies for Women With an Adnexal Mass. Journal Of The National Cancer Institute 2014, 107: dju322. PMID: 25515232, DOI: 10.1093/jnci/dju322.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAlgorithmsBiomarkers, TumorCA-125 AntigenCost-Benefit AnalysisDecision MakingDisease ManagementFemaleGenital Neoplasms, FemaleHumansMaleMarkov ChainsMedicareMembrane ProteinsMiddle AgedPostmenopausePractice Guidelines as TopicPremenopauseReferral and ConsultationRisk AssessmentSEER ProgramSensitivity and SpecificityUnited StatesWorkloadConceptsPostmenopausal womenAdnexal massesCutoff valueEnd Results-MedicareState Inpatient DatabasesGynecologists guidelinesBiomarker validation studiesPremenopausal womenClinical outcomesGynecologic oncologistsInpatient DatabaseMalignancy AlgorithmSurgical volumeReferral strategiesTriage strategiesMedical costsRelative survivalPhysician workloadCA125Test characteristicsCost-effective strategyWomenTest sensitivityAmerican CongressMedicare reimbursement
2013
Variations in Use of PET among Medicare Beneficiaries with Non–Small Cell Lung Cancer, 1998–2007
Dinan MA, Curtis LH, Carpenter WR, Biddle AK, Abernethy AP, Patz EF, Schulman KA, Weinberger M. Variations in Use of PET among Medicare Beneficiaries with Non–Small Cell Lung Cancer, 1998–2007. Radiology 2013, 267: 807-817. PMID: 23418003, DOI: 10.1148/radiol.12120174.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerPositron emission tomographyUse of PETMedicare beneficiariesCases of NSCLCPET useDiagnosis of NSCLCEnd Results-Medicare dataMultivariable logistic regression analysisDuke University Health SystemHalf of patientsCell lung cancerExamination 2 monthsMultivariable regression analysisUniversity Health SystemLogistic regression analysisDemographic subgroupsRegression analysisInstitutional review boardNonblack patientsPrimary outcomeFinal cohortSurveillance EpidemiologyLung cancerRetrospective analysis