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
Simulated Costs of the ASCO Patient-Centered Oncology Payment Model in Medicare Beneficiaries With Newly Diagnosed Advanced Ovarian Cancer.
Moss HA, Havrilesky LJ, Wang FF, Georgieva MV, Hendrix LH, Dinan MA. Simulated Costs of the ASCO Patient-Centered Oncology Payment Model in Medicare Beneficiaries With Newly Diagnosed Advanced Ovarian Cancer. JCO Oncology Practice 2019, 15: e1018-e1027. PMID: 31613721, PMCID: PMC10445789, DOI: 10.1200/jop.19.00026.Peer-Reviewed Original ResearchConceptsAdvanced ovarian cancerOvarian cancerAlternative payment modelsNeoadjuvant chemotherapy patientsEmergency department visitsSEER-Medicare dataMean total costOutpatient emergency department visitsPayment modelsHealth care servicesCost-efficient careAvoidable spendingNeoadjuvant chemotherapyReal-world practiceDepartment visitsChemotherapy patientsCancer careMedicare beneficiariesHospitalizationCare servicesPatientsService MedicareChemotherapySurgeryPotential cost savingsShared-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
Survival Comparison in Patients with Stage IV Lung Cancer in Academic versus Community Centers in the United States
Ramalingam S, Dinan MA, Crawford J. Survival Comparison in Patients with Stage IV Lung Cancer in Academic versus Community Centers in the United States. Journal Of Thoracic Oncology 2018, 13: 1842-1850. PMID: 30312680, DOI: 10.1016/j.jtho.2018.09.007.Peer-Reviewed Original ResearchMeSH KeywordsAcademic Medical CentersAdenocarcinoma of LungAntineoplastic Combined Chemotherapy ProtocolsCarcinoma, Large CellCarcinoma, Non-Small-Cell LungCarcinoma, Squamous CellCommunity Health CentersFemaleFollow-Up StudiesHumansLung NeoplasmsMaleMiddle AgedNeoplasm StagingRetrospective StudiesSurvival RateUnited StatesConceptsCommunity-based centersNational Cancer DatabaseSquamous cell carcinomaAcademic centersMetastatic NSCLCCell carcinomaLung cancerCancer DatabaseStage IV lung cancerSquamous cell lung cancerStage IV NSCLCPercentage of patientsYear of diagnosisCell lung cancerVariety of chemotherapyMultivariable regression modelsPrimary outcomeHistologic typeMultivariable analysisSignificant relative increasePrimary payerSurvival differencesSurvival comparisonsMultivariable modelTreatment strategiesAssociation 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
2017
Algorithms for prediction of the Oncotype DX recurrence score using clinicopathologic data: a review and comparison using an independent dataset
Harowicz MR, Robinson TJ, Dinan MA, Saha A, Marks JR, Marcom PK, Mazurowski MA. Algorithms for prediction of the Oncotype DX recurrence score using clinicopathologic data: a review and comparison using an independent dataset. Breast Cancer Research And Treatment 2017, 162: 1-10. PMID: 28064383, PMCID: PMC5909985, DOI: 10.1007/s10549-016-4093-4.Peer-Reviewed Original ResearchConceptsIntermediate-risk diseaseOncotype DX recurrence scoreHigh-risk diseaseDX recurrence scoreODX RSReceptor statusRecurrence scoreSurrogate markerProgesterone receptor statusInvasive breast cancerEstrogen receptor statusHigh-risk groupOngoing clinical trialsMagee EquationsPresence of patientsAdjuvant chemotherapyClinicopathologic dataRetrospective studyTumor sizeHER2 statusHistopathologic variablesClinical trialsBreast cancerPatient managementAdditional independent validation
2016
How Many Lymph Nodes Are Enough? Assessing the Adequacy of Lymph Node Yield for Papillary Thyroid Cancer
Robinson TJ, Thomas S, Dinan MA, Roman S, Sosa JA, Hyslop T. How Many Lymph Nodes Are Enough? Assessing the Adequacy of Lymph Node Yield for Papillary Thyroid Cancer. Journal Of Clinical Oncology 2016, 34: 3434-3439. PMID: 27528716, PMCID: PMC6366339, DOI: 10.1200/jco.2016.67.6437.Peer-Reviewed Original ResearchConceptsPapillary thyroid cancerOccult nodal diseaseLymph nodesThyroid cancerNodal diseaseTumor stageNumber of LNsProphylactic central neck dissectionAdjuvant radioactive iodineLymph node examinationIntermediate-risk diseaseNational Cancer DatabaseMore lymph nodesNode-positive diseasePathologic tumor stagePrimary tumor stageCentral neck dissectionLymph node yieldLN yieldAdult patientsLN evaluationNeck dissectionNodal positivityNode examinationOccult disease
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 chemotherapyRacial variation in adjuvant chemotherapy initiation among breast cancer patients receiving oncotype DX testing
Roberts MC, Weinberger M, Dusetzina SB, Dinan MA, Reeder-Hayes KE, Troester MA, Carey LA, Wheeler SB. Racial variation in adjuvant chemotherapy initiation among breast cancer patients receiving oncotype DX testing. Breast Cancer Research And Treatment 2015, 153: 191-200. PMID: 26216535, PMCID: PMC4562432, DOI: 10.1007/s10549-015-3518-9.Peer-Reviewed Original ResearchConceptsAdjuvant chemotherapy initiationChemotherapy initiationRisk scoreODX testingCarolina Breast Cancer StudyIntermediate-risk groupRacial variationBreast cancer patientsPopulation-based studyHigh-risk groupLarger tumor sizeLow-risk groupOncotype DX testingRacial differencesNorth Carolina womenBreast Cancer StudyAdjuvant chemotherapyTumor sizeCancer patientsRelative riskRisk groupsBreast cancerPoisson regressionYounger agePhase IIIPresence 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 race
2014
Treatment Patterns and Outcomes for Patients with Adrenocortical Carcinoma Associated with Hospital Case Volume in the United States
Gratian L, Pura J, Dinan M, Reed S, Scheri R, Roman S, Sosa JA. Treatment Patterns and Outcomes for Patients with Adrenocortical Carcinoma Associated with Hospital Case Volume in the United States. Annals Of Surgical Oncology 2014, 21: 3509-3514. PMID: 25069860, PMCID: PMC4515350, DOI: 10.1245/s10434-014-3931-z.Peer-Reviewed Original ResearchMeSH KeywordsAdrenal Cortex NeoplasmsAdrenocortical CarcinomaAdultAgedDatabases, FactualElective Surgical ProceduresFemaleFollow-Up StudiesHospitals, High-VolumeHospitals, Low-VolumeHumansLength of StayMaleMiddle AgedNeoplasm StagingOutcome and Process Assessment, Health CarePractice Patterns, Physicians'RegistriesReoperationSurvival RateWorkloadConceptsHigh-volume centersLow-volume centersHospital case volumeOverall survivalTreatment patternsCase volumeRegional lymph node evaluationAggressive surgical resectionLymph node evaluationPrimary adrenal malignancyMedian overall survivalNational Cancer DatabasePostoperative mortality rateBackgroundAdrenocortical carcinomaChemotherapy useAggressive treatmentRadical resectionReadmission ratesSurgical resectionAdrenal malignancyCarcinoma AssociatedClinical outcomesTumor characteristicsACC patientsAggressive diseaseRobotic Thyroidectomy for Cancer in the US: Patterns of Use and Short-Term Outcomes
Abdelgadir Adam M, Speicher P, Pura J, Dinan MA, Reed SD, Roman SA, Sosa JA. Robotic Thyroidectomy for Cancer in the US: Patterns of Use and Short-Term Outcomes. Annals Of Surgical Oncology 2014, 21: 3859-3864. PMID: 24934584, PMCID: PMC4519825, DOI: 10.1245/s10434-014-3838-8.Peer-Reviewed Original ResearchConceptsShort-term outcomesRobotic thyroidectomyMultivariable analysisOpen thyroidectomyOpen surgeryThyroid cancerPatterns of useRobotic casesRobotic groupRobotic surgeryThyroidectomy-specific complicationsUnderwent open surgeryNational Cancer DatabaseLong-term outcomesLength of stayMulti-institutional studyNon-significant increaseMore Asian patientsTotal thyroidectomyUnderwent lobectomyUnderwent thyroidectomyLymph nodesSurgery useAsian patientsPositive marginsImpact of Extent of Surgery on Survival in Patients with Small Nonfunctional Pancreatic Neuroendocrine Tumors in the United States
Gratian L, Pura J, Dinan M, Roman S, Reed S, Sosa JA. Impact of Extent of Surgery on Survival in Patients with Small Nonfunctional Pancreatic Neuroendocrine Tumors in the United States. Annals Of Surgical Oncology 2014, 21: 3515-3521. PMID: 24841347, PMCID: PMC4510956, DOI: 10.1245/s10434-014-3769-4.Peer-Reviewed Original ResearchConceptsNonfunctional pancreatic neuroendocrine tumorsPancreatic neuroendocrine tumorsExtent of surgerySmall Nonfunctional Pancreatic Neuroendocrine TumorsFive-year OSOverall survivalMalignant potentialNeuroendocrine tumorsNational Cancer Data BaseLymph node dissectionLymph node resectionKaplan-Meier analysisType of surgeryLog-rank testUncertain malignant potentialImpact of extentNode dissectionNode resectionTotal pancreatectomyPatient characteristicsRegional lymphRegional lymphadenectomySurgical resectionImproved survivalDistant metastasisRedistribution of Health Care Costs after the Adoption of Positron Emission Tomography among Medicare Beneficiaries with Non–Small-Cell Lung Cancer, 1998–2005
Dinan MA, Curtis LH, Carpenter WR, Biddle AK, Abernethy AP, Patz EF, Schulman KA, Weinberger M. Redistribution of Health Care Costs after the Adoption of Positron Emission Tomography among Medicare Beneficiaries with Non–Small-Cell Lung Cancer, 1998–2005. Journal Of Thoracic Oncology 2014, 9: 512-518. PMID: 24736074, DOI: 10.1097/jto.0000000000000102.Peer-Reviewed Original ResearchConceptsCell lung cancerTotal health care costsHealth care costsPositron emission tomographyProportion of patientsRate of surgeryMedicare beneficiariesLung cancerCare costsEmission tomographySurgical resectionInpatient costsRetrospective cohort studyYear of diagnosisMain outcome measuresCohort studyTreatment patternsOutcome measuresRadiation therapyChemotherapyPatientsRadiotherapyStudy periodCancerMedicare approval
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 evidenceTreatmentStage Migration, Selection Bias, and Survival Associated With the Adoption of Positron Emission Tomography Among Medicare Beneficiaries With Non–Small-Cell Lung Cancer, 1998-2003
Dinan MA, Curtis LH, Carpenter WR, Biddle AK, Abernethy AP, Patz EF, Schulman KA, Weinberger M. Stage Migration, Selection Bias, and Survival Associated With the Adoption of Positron Emission Tomography Among Medicare Beneficiaries With Non–Small-Cell Lung Cancer, 1998-2003. Journal Of Clinical Oncology 2012, 30: 2725-2730. PMID: 22753917, DOI: 10.1200/jco.2011.40.4392.Peer-Reviewed Original ResearchConceptsPositron emission tomographyOverall survivalStage migrationMedicare beneficiariesAdvanced diseasePET useEnd Results-Medicare dataEmission tomographyProportion of patientsStage IV diseaseCell lung cancerSelection biasUpstaging of diseaseGreater overall survivalStage-specific survivalStudy criteriaLung cancerSurvival AssociatedImproved outcomesRetrospective analysisStage distributionNSCLCPatientsDiseaseSurvival