2022
Mediators of Racial Disparity in the Use of Prostate Magnetic Resonance Imaging Among Patients With Prostate Cancer
Leapman MS, Dinan M, Pasha S, Long J, Washington SL, Ma X, Gross CP. Mediators of Racial Disparity in the Use of Prostate Magnetic Resonance Imaging Among Patients With Prostate Cancer. JAMA Oncology 2022, 8: 687-696. PMID: 35238879, PMCID: PMC8895315, DOI: 10.1001/jamaoncol.2021.8116.Peer-Reviewed Original ResearchConceptsProstate magnetic resonance imagingMagnetic resonance imagingPopulation-based cohort studyProstate cancerWhite patientsRacial disparitiesCohort studyMRI useIndividual-level socioeconomic statusEligible male patientsSocioeconomic statusNeighborhood-level socioeconomic statusLocalized prostate cancerProstate cancer diagnosisObserved racial disparitiesProstate magnetic resonanceMediation analysisPathologic factorsMale patientsUS SurveillanceBlack patientsMedicare databaseMAIN OUTCOMEUS adultsNew diagnosisEvaluation of mild cognitive impairment and dementia in patients with metastatic renal cell carcinoma
Miller SM, Wilson LE, Greiner MA, Pritchard JE, Zhang T, Kaye DR, Cohen HJ, Becher RD, Maerz LL, Dinan MA. Evaluation of mild cognitive impairment and dementia in patients with metastatic renal cell carcinoma. Journal Of Geriatric Oncology 2022, 13: 635-643. PMID: 34996724, PMCID: PMC9232862, DOI: 10.1016/j.jgo.2021.12.012.Peer-Reviewed Original ResearchConceptsMetastatic renal cell carcinomaNon-cancer controlsRenal cell carcinomaMRCC diagnosisMild cognitive impairmentCell carcinomaRisk factorsCognitive impairmentOlder adultsProportional hazards modelNew cancer treatmentsCohort entryOlder patientsSurgical therapyMAIN OUTCOMEExclusion criteriaAgent useDisease processHazards modelPatientsMedicare datasetCancer treatmentDiagnosisDementiaCarcinoma
2021
Vitamin D, Insulin-Like Growth Factor, and Cognitive Performance: Age and Sex Variations
Miller S, Wilson L, Greiner M, Pritchard J, Zhang T, Kaye D, Cohen H, Dinan M. Vitamin D, Insulin-Like Growth Factor, and Cognitive Performance: Age and Sex Variations. Innovation In Aging 2021, 5: 703-703. PMCID: PMC8969788, DOI: 10.1093/geroni/igab046.2613.Peer-Reviewed Original ResearchMetastatic renal cell carcinomaRenal cell carcinomaProportional hazards regressionOral anticancer agentsMRCC diagnosisCell carcinomaHazards regressionRisk factorsCox proportional hazards regressionOlder adultsNon-cancer controlsMild cognitive impairmentCohort entryRenal dysfunctionOnly patientsSurgical therapyWhite patientsBlack patientsSEER-MedicareDementia onsetMAIN OUTCOMEExclusion criteriaHigh riskPatientsCognitive impairmentAdoption 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 uptakeReporting of Study Participant Demographic Characteristics and Demographic Representation in Premarketing and Postmarketing Studies of Novel Cancer Therapeutics
Varma T, Wallach JD, Miller JE, Schnabel D, Skydel JJ, Zhang AD, Dinan MA, Ross JS, Gross CP. Reporting of Study Participant Demographic Characteristics and Demographic Representation in Premarketing and Postmarketing Studies of Novel Cancer Therapeutics. JAMA Network Open 2021, 4: e217063. PMID: 33877309, PMCID: PMC8058642, DOI: 10.1001/jamanetworkopen.2021.7063.Peer-Reviewed Original ResearchConceptsNovel cancer therapeuticsPostmarketing studyBlack patientsCancer therapeuticsDemographic dataOlder adultsUS cancer populationUS Cancer StatisticsCross-sectional studyRace/ethnicityParticipants' demographic characteristicsPercentage of trialsPatient sexCancer populationClinical studiesCancer statisticsMAIN OUTCOMEDrug AdministrationFDA approvalStudy participantsCancer typesDemographic characteristicsDemographic informationStudy samplePatients
2019
Chemotherapy 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
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
2015
Impact 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 ResearchConceptsPapillary 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