2024
Changes in Facility Share of Medicaid-insured Patients With Urologic Cancers Following Implementation of the Patient Protection and Affordable Care Act
Demkowicz P, Buck M, Nie J, Marks V, Wheeler S, Dinan M, Gross C, Leapman M. Changes in Facility Share of Medicaid-insured Patients With Urologic Cancers Following Implementation of the Patient Protection and Affordable Care Act. Urology 2024, 192: 19-27. PMID: 38901803, DOI: 10.1016/j.urology.2024.06.003.Peer-Reviewed Original ResearchFacility-level changesAffordable Care ActNon-expansion statesUrological cancer patientsProportion of patientsExpansion statesBaseline proportion of patientsUrologic cancer careHigh-income zip codesCancer patientsFactors associated with changesPre-post designCancer care centerPost-ACA periodMedicaid expansion statesMultivariate logistic regressionMedicaid-insured patientsCancer careUrological cancersZip codesCare ActMedicaid patientsMedicaidLogistic regressionCare center
2022
Genetic testing in privately insured women with surgically treated breast cancer
Dinan M, Pitafi S, Greenup R, Long J, Gross C. Genetic testing in privately insured women with surgically treated breast cancer. Breast Cancer Research And Treatment 2022, 198: 177-181. PMID: 36542252, DOI: 10.1007/s10549-022-06829-4.Peer-Reviewed Original ResearchConceptsBreast cancerGenetic testingRoutine breast cancer careBRCA1/BRCA2 genetic testingHormone receptor statusBreast cancer careInvasive breast cancerBRCA2 genetic testingReceptor statusWomen 50Cancer careAge 45Family historyOlder womenInsurer databaseYoung womenCancerWomenCoverage policiesUnclear implicationsPatientsSurgeryPurposeRatesYearsPrevalencePatient, provider, and hospital factors associated with oral anti-neoplastic agent initiation and adherence in older patients with metastatic renal cell carcinoma
Kaye DR, Wilson LE, Greiner MA, Spees LP, Pritchard JE, Zhang T, Pollack CE, George D, Scales CD, Baggett CD, Gross CP, Leapman MS, Wheeler SB, Dinan MA. Patient, provider, and hospital factors associated with oral anti-neoplastic agent initiation and adherence in older patients with metastatic renal cell carcinoma. Journal Of Geriatric Oncology 2022, 13: 614-623. PMID: 35125336, PMCID: PMC9232903, DOI: 10.1016/j.jgo.2022.01.008.Peer-Reviewed Original ResearchConceptsMetastatic renal cell carcinomaCancer-specific survivalMedical oncologistsRenal cell carcinomaHospital factorsHospital characteristicsOlder patientsCell carcinomaOAA treatmentDiagnosis of mRCCHigh-quality cancer careOlder adultsDecreased relative riskHigh-poverty zip codesYears of ageAnti-neoplastic agentsMRCC diagnosisSpecialty accessSurvival persistCause mortalityCancer providersPatient factorsMetastatic diagnosisCancer careRelative risk
2021
Adoption of New Risk Stratification Technologies Within US Hospital Referral Regions and Association With Prostate Cancer Management
Leapman MS, Wang R, Park HS, Yu JB, Sprenkle PC, Dinan MA, Ma X, Gross CP. Adoption of New Risk Stratification Technologies Within US Hospital Referral Regions and Association With Prostate Cancer Management. JAMA Network Open 2021, 4: e2128646. PMID: 34623406, PMCID: PMC8501394, DOI: 10.1001/jamanetworkopen.2021.28646.Peer-Reviewed Original ResearchConceptsProstate magnetic resonance imagingMagnetic resonance imagingHospital referral regionsProportion of patientsProstate cancerGenomic testingCohort studyReferral regionsRetrospective cohort studyProstate cancer carePatient-level analysisCommercial insurance claimsProstate cancer managementUS hospital referral regionsYears of ageProportion of menPatients 40Definitive treatmentCancer careTesting uptakeHRR levelMAIN OUTCOMECancer managementPatientsRegional uptakeMediators of racial disparity in the use of prostate MRI.
Leapman M, Dinan M, Pasha S, Washington S, Ma X, Gross C. Mediators of racial disparity in the use of prostate MRI. Journal Of Clinical Oncology 2021, 39: 6554-6554. DOI: 10.1200/jco.2021.39.15_suppl.6554.Peer-Reviewed Original ResearchProstate cancerRacial disparitiesProstate MRIMRI useArea-level measuresObserved racial disparitiesEligible patientsPathologic factorsDual eligibilityWhite patientsBlack patientsSEER regionMedicare databaseCancer careSix-month periodPatientsSociodemographic factorsCancerMRIZip codesOlder AmericansMediatorsDiagnostic toolObserved disparitiesHigh-poverty areas
2019
Proposal for Value-Based, Tiered Reimbursement for Tumor Biomarker Tests to Promote Innovation and Evidence Generation.
Dinan MA, Lyman GH, Schilsky RL, Hayes DF. Proposal for Value-Based, Tiered Reimbursement for Tumor Biomarker Tests to Promote Innovation and Evidence Generation. JCO Precision Oncology 2019, 3: 1-10. PMID: 35100733, DOI: 10.1200/po.19.00210.Peer-Reviewed Original ResearchTumor biomarker testsClinical utilityBiomarker testsFormal cost-effectiveness analysisHigh-level evidenceLow-level evidenceHealth care dollarsPrecision cancer careCost-effectiveness analysisCancer careEffective therapyCancer precision medicineTreatment decisionsTreatment selectionIneffective treatmentPoor reimbursementSimulated 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 savings
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 care
2016
ONCOLOGISTS’ BARRIERS AND FACILITATORS FOR ONCOTYPE DX USE: QUALITATIVE STUDY
Roberts MC, Bryson A, Weinberger M, Dusetzina SB, Dinan MA, Reeder-Hayes K, Wheeler SB. ONCOLOGISTS’ BARRIERS AND FACILITATORS FOR ONCOTYPE DX USE: QUALITATIVE STUDY. International Journal Of Technology Assessment In Health Care 2016, 32: 355-361. PMID: 27958190, PMCID: PMC6526532, DOI: 10.1017/s026646231600060x.Peer-Reviewed Original ResearchConceptsAdjuvant chemotherapy decisionsBreast cancer patientsOncotype DXTreatment decisionsCancer patientsChemotherapy decisionsHormone receptor-positive breast cancer patientsClinical practiceReceptor-positive breast cancer patientsPositive breast cancer patientsOncotype DX useUnited States guidelinesProfiling testsEligible womenSurgical oncologistsCancer careClinical guidelinesModifiable barriersOncologistsMulti-level factorsPatientsThematic saturationPhone interviewsIntermediate scoresQualitative studyPatient-Centered Communication for Discussing Oncotype DX Testing
Roberts MC, Bryson A, Weinberger M, Dusetzina SB, Dinan MA, Reeder-Hayes KE, Wheeler SB. Patient-Centered Communication for Discussing Oncotype DX Testing. Cancer Investigation 2016, 34: 205-212. PMID: 27124287, PMCID: PMC4984670, DOI: 10.3109/07357907.2016.1172637.Peer-Reviewed Original Research
2010
Changes in the Use and Costs of Diagnostic Imaging Among Medicare Beneficiaries With Cancer, 1999-2006
Dinan MA, Curtis LH, Hammill BG, Patz EF, Abernethy AP, Shea AM, Schulman KA. Changes in the Use and Costs of Diagnostic Imaging Among Medicare Beneficiaries With Cancer, 1999-2006. JAMA 2010, 303: 1625-1631. PMID: 20424253, DOI: 10.1001/jama.2010.460.Peer-Reviewed Original ResearchConceptsNon-Hodgkin lymphomaLung cancerMedicare beneficiariesBreast cancerCancer typesColorectal cancerProstate cancerImaging costsPositron emission tomography scanIncident breast cancerYear of diagnosisEmission tomography scanBone density studiesMean total costMagnetic resonance imagingPositron emission tomographyBone scanTreatment patternsIncident casesCancer careHalf of beneficiariesTomography scanUS CentersMean annual increaseResonance imaging