2019
Shared-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 assays
2018
Association 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
2016
Chemotherapy costs associated with receipt of the adoption of oncotype DX in early-stage breast cancer within the SEER-Medicare population.
Dinan M, Mi X, Reed S, Lyman G, Curtis L. Chemotherapy costs associated with receipt of the adoption of oncotype DX in early-stage breast cancer within the SEER-Medicare population. Journal Of Clinical Oncology 2016, 34: 32-32. DOI: 10.1200/jco.2016.34.7_suppl.32.Peer-Reviewed Original ResearchHigh-risk diseaseOncotype DXRisk diseaseChemotherapy costsODX testingBreast cancerAdjuvant chemotherapyRisk womenPatient outcomesEnd Results-Medicare dataEarly-stage breast cancerER-positive breast cancerReal-world clinical practiceIntermediate-risk womenSEER-Medicare populationLow-risk diseaseHigh-risk womenPositive breast cancerWorld clinical practiceActual patient outcomesTotal Medicare paymentsNCCN guidelinesOverall cohortMultivariable analysisPathologic features
2015
Racial Variation in the Uptake of Oncotype DX Testing for Early-Stage Breast Cancer
Roberts MC, Weinberger M, Dusetzina SB, Dinan MA, Reeder-Hayes KE, Carey LA, Troester MA, Wheeler SB. Racial Variation in the Uptake of Oncotype DX Testing for Early-Stage Breast Cancer. Journal Of Clinical Oncology 2015, 34: 130-138. PMID: 26598755, PMCID: PMC4872005, DOI: 10.1200/jco.2015.63.2489.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBlack or African AmericanBreast NeoplasmsClinical Trials, Phase II as TopicConfounding Factors, EpidemiologicErbB ReceptorsFemaleGene Expression ProfilingHealthcare DisparitiesHumansInsurance CoverageLymphatic MetastasisMiddle AgedMolecular Targeted TherapyNeoplasm StagingNorth CarolinaPoisson DistributionPractice Guidelines as TopicPrecision MedicinePredictive Value of TestsResearch DesignRisk AssessmentRisk FactorsConceptsNode-positive breast cancerNon-black womenODX testingNode-negative patientsBreast cancerOncotype DXBlack patientsRacial disparitiesEarly-stage breast cancerCarolina Breast Cancer StudyGuideline-concordant careNode-positive patientsCancer care qualityPopulation-based studyOncotype DX testingQuality of careNorth Carolina womenLow socioeconomic statusMedium tumor sizeBlack womenBreast Cancer StudyAdjuvant chemotherapyMore comorbiditiesConcordant careTumor sizeAssociation 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 chemotherapy
2014
Association between Oncotype DX and receipt of chemotherapy in early-stage breast cancer within the Medicare population from 2004 to 2007.
Dinan M, Mi X, Reed S, Lyman G, Curtis L. Association between Oncotype DX and receipt of chemotherapy in early-stage breast cancer within the Medicare population from 2004 to 2007. Journal Of Clinical Oncology 2014, 32: 309-309. DOI: 10.1200/jco.2014.32.30_suppl.309.Peer-Reviewed Original ResearchReceipt of chemotherapyChemotherapy utilizationOncotype DXRisk diseaseBreast cancerODX testingEarly-stage estrogen receptor-positive breast cancerEstrogen receptor-positive breast cancerReceptor-positive breast cancerEarly-stage breast cancerER-positive breast cancerIntermediate-risk diseaseHigh-risk patientsHigh-risk diseasePositive breast cancerBreast cancer populationAdjuvant chemotherapyNCCN guidelinesRisk patientsPathologic featuresRandomized trialsStudy criteriaCancer populationObservational studyRetrospective analysis
2012
Cost-effectiveness of the 21-gene recurrence score assay in the context of multifactorial decision making to guide chemotherapy for early-stage breast cancer
Reed SD, Dinan MA, Schulman KA, Lyman GH. Cost-effectiveness of the 21-gene recurrence score assay in the context of multifactorial decision making to guide chemotherapy for early-stage breast cancer. Genetics In Medicine 2012, 15: 203-211. PMID: 22975761, PMCID: PMC3743447, DOI: 10.1038/gim.2012.119.Peer-Reviewed Original ResearchConceptsEstrogen receptor-positive breast cancerReceptor-positive breast cancerBreast cancerHormonal therapyClinicopathologic characteristicsRisk groupsEarly-stage breast cancerIncremental cost-effectiveness ratioHigh-risk characteristicsLifetime medical costsCost-effectiveness ratioLow-risk characteristicsDecision analytic modelChemotherapy useMedical costsChemotherapyPatientsHealth systemSocietal perspectiveRecurrenceCancerMultifactorial decisionTherapySupportive evidenceTreatmentCost-effectiveness of the 21-gene recurrence score assay in the setting of multifactorial decision making for chemotherapy in early-stage breast cancer.
Reed S, Dinan M, Schulman K, Lyman G. Cost-effectiveness of the 21-gene recurrence score assay in the setting of multifactorial decision making for chemotherapy in early-stage breast cancer. Journal Of Clinical Oncology 2012, 30: 1525-1525. DOI: 10.1200/jco.2012.30.15_suppl.1525.Peer-Reviewed Original ResearchIncremental cost-effectiveness ratioEstrogen receptor-positive breast cancerReceptor-positive breast cancerUse of chemotherapyRecurrence scoreBreast cancerRisk groupsEarly-stage breast cancerPatient time costsDirect medical costsLifetime direct medical costsQuality-adjusted survivalCost-effectiveness ratioHealthcare system perspectiveLower indirect costsMultifactorial decisionDecision analytic modelProbabilistic sensitivity analysesCost-effectiveness estimatesDistant recurrenceHormonal therapyClinicopathologic characteristicsDisease recurrenceAttributable costsMedical costs