2024
Area Vulnerability and Disparities in Therapy for Patients With Metastatic Renal Cell Carcinoma
Rahman S, Long J, Westvold S, Leapman M, Spees L, Hurwitz M, McManus H, Gross C, Wheeler S, Dinan M. Area Vulnerability and Disparities in Therapy for Patients With Metastatic Renal Cell Carcinoma. JAMA Network Open 2024, 7: e248747. PMID: 38687479, PMCID: PMC11061765, DOI: 10.1001/jamanetworkopen.2024.8747.Peer-Reviewed Original ResearchConceptsMetastatic renal cell carcinomaArea-level measuresRenal cell carcinomaPatient-level factorsSystemic therapyEthnic disparitiesRelative risk ratiosSocially vulnerable areasCell carcinomaMeasures of social vulnerabilityMedicare beneficiariesCohort studyFee-for-service Medicare Parts AOdds ratioReceipt of systemic therapyLogistic regressionArea-level characteristicsAssociated with lack of treatmentNon-Hispanic blacksRetrospective cohort studyIndividual-level demographicsNon-Hispanic whitesAssociated with disparitiesUS Medicare beneficiariesMeasures of disadvantageEstimating Breast Cancer Overdiagnosis After Screening Mammography Among Older Women in the United States.
Richman I, Gross C. Estimating Breast Cancer Overdiagnosis After Screening Mammography Among Older Women in the United States. Annals Of Internal Medicine 2024, 177: 403-404. PMID: 38498894, DOI: 10.7326/l23-0485.Peer-Reviewed Original Research
2023
Estimating Breast Cancer Overdiagnosis After Screening Mammography Among Older Women in the United States.
Richman I, Long J, Soulos P, Wang S, Gross C. Estimating Breast Cancer Overdiagnosis After Screening Mammography Among Older Women in the United States. Annals Of Internal Medicine 2023, 176: 1172-1180. PMID: 37549389, PMCID: PMC10623662, DOI: 10.7326/m23-0133.Peer-Reviewed Original ResearchConceptsCumulative incidenceBreast cancerBreast cancer screeningUnscreened womenOlder womenCancer screeningBreast cancer-specific deathBreast cancer overdiagnosisService Medicare claimsRetrospective cohort studyCancer-specific deathBreast cancer deathsWomen 70 yearsHarms of overdiagnosisNational Cancer InstituteBreast cancer diagnosisCohort studyCancer overdiagnosisCancer deathSEER programMedicare claimsCancer InstituteOverdiagnosisGreater incidenceCancerNet Clinical Benefit as Measure of Treatment Benefit Among Older Adults With Advanced Incurable Non–Small Cell Lung Cancer—Reply
Voruganti T, Presley C, Gross C. Net Clinical Benefit as Measure of Treatment Benefit Among Older Adults With Advanced Incurable Non–Small Cell Lung Cancer—Reply. JAMA Oncology 2023, 9: 1154-1155. PMID: 37347467, DOI: 10.1001/jamaoncol.2023.1538.Peer-Reviewed Original ResearchDisparities in immune and targeted therapy utilization for older US patients with metastatic renal cell carcinoma
Chow R, Long J, Hassan S, Wheeler S, Spees L, Leapman M, Hurwitz M, McManus H, Gross C, Dinan M. Disparities in immune and targeted therapy utilization for older US patients with metastatic renal cell carcinoma. JNCI Cancer Spectrum 2023, 7: pkad036. PMID: 37202354, PMCID: PMC10276895, DOI: 10.1093/jncics/pkad036.Peer-Reviewed Original ResearchConceptsOral anticancer agentsTherapy utilizationMedicare beneficiariesNon-Hispanic white raceMetastatic renal cell carcinomaNon-Hispanic black raceOlder US patientsUS Medicare beneficiariesRenal cell carcinomaLogistic regression modelsTherapy receiptMultivariable adjustmentSystemic therapyMale sexUS patientsCell carcinomaStudy criteriaBlack raceFemale sexPatient raceWhite raceImmunotherapyOutcomes persistSexPatientsAssociation Between Age and Survival Trends in Advanced Non–Small Cell Lung Cancer After Adoption of Immunotherapy
Voruganti T, Soulos P, Mamtani R, Presley C, Gross C. Association Between Age and Survival Trends in Advanced Non–Small Cell Lung Cancer After Adoption of Immunotherapy. JAMA Oncology 2023, 9: 334-341. PMID: 36701150, PMCID: PMC9880865, DOI: 10.1001/jamaoncol.2022.6901.Peer-Reviewed Original ResearchConceptsAdvanced non-small cell lung cancerNon-small cell lung cancerImmune checkpoint inhibitorsUse of ICIsPatients 75 yearsCell lung cancerDrug Administration approvalCohort studyOlder patientsLung cancerAdministration approvalUS FoodAdoption of immunotherapyMedian overall survivalCancer-directed therapySubstantial survival benefitFirst US FoodCheckpoint inhibitorsStage IIIBClinical characteristicsICI useMedian survivalOverall survivalSurvival benefitSurvival gainUse of Monitoring Tests Among Patients With Localized Prostate Cancer Managed With Observation
Leapman M, Wang R, Loeb S, Seibert T, Gaylis F, Lowentritt B, Brown G, Chen R, Lin D, Witte J, Cooperberg M, Catalona W, Gross C, Ma X. Use of Monitoring Tests Among Patients With Localized Prostate Cancer Managed With Observation. Journal Of Urology 2023, 209: 710-718. PMID: 36753746, DOI: 10.1097/ju.0000000000003159.Peer-Reviewed Original ResearchConceptsIntermediate-risk prostate cancerMixed-effects Poisson regressionPSA testingProstate biopsyProstate cancerEffects Poisson regressionMedicare beneficiariesPoisson regressionAdditional prostate biopsyRetrospective cohort studyProstate MRILocalized prostate cancerRepeat prostate biopsyRate of biopsyRace/ethnicityCensus tract povertyMedian followCohort studyMedian ageMonitoring testsProvider factorsPSA testClinical riskBiopsySociodemographic factorsStemming Medicare Spending on Discarded Drugs—Waste Not, Want Not?
Gross C, Dusetzina S. Stemming Medicare Spending on Discarded Drugs—Waste Not, Want Not? JAMA Internal Medicine 2023, 183: 93-93. PMID: 36534375, DOI: 10.1001/jamainternmed.2022.5895.Peer-Reviewed Original Research
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 implicationsPatientsSurgeryPurposeRatesYearsPrevalenceLow-Intensity Adjuvant Chemotherapy for Breast Cancer in Older Women: Results From the Prospective Multicenter HOPE Trial
Sedrak M, Sun C, Ji J, Cohen H, Gross C, Tew W, Klepin H, Wildes T, Dotan E, Freedman R, O'Connor T, Chow S, Fenton M, Moy B, Chapman A, Dale W, Katheria V, Kuderer N, Lyman G, Magnuson A, Muss H. Low-Intensity Adjuvant Chemotherapy for Breast Cancer in Older Women: Results From the Prospective Multicenter HOPE Trial. Journal Of Clinical Oncology 2022, 41: 316-326. PMID: 36455189, PMCID: PMC9839299, DOI: 10.1200/jco.22.01440.Peer-Reviewed Original ResearchConceptsLow relative dose intensityRelative dose intensityAdjuvant chemotherapyHOPE trialDose intensityOlder patientsOlder womenBreast cancer benefitPrespecified secondary analysisCurative-intent treatmentInferior survival outcomesChemotherapy dose intensityKaplan-Meier methodLow performance statusMultivariable logistic regressionLog-rank testOverall survival probabilityToxic side effectsCancer benefitOverall survivalPerformance statusStandard chemotherapySupportive carePrimary outcomeSurvival outcomesEnd-of-Life Care for Patients With Metastatic Renal Cell Carcinoma in the Era of Oral Anticancer Therapy
Dzimitrowicz H, Wilson L, Jackson B, Spees L, Baggett C, Greiner M, Kaye D, Zhang T, George D, Scales C, Pritchard J, Leapman M, Gross C, Dinan M, Wheeler S. End-of-Life Care for Patients With Metastatic Renal Cell Carcinoma in the Era of Oral Anticancer Therapy. JCO Oncology Practice 2022, 19: e213-e227. PMID: 36413741, PMCID: PMC9970274, DOI: 10.1200/op.22.00401.Peer-Reviewed Original ResearchConceptsMetastatic renal cell carcinomaOral anticancer agentsDays of lifeRenal cell carcinomaEOL careSystemic therapySEER-MedicareHospital deathCell carcinomaLife careIntensive care unit admissionCancer informationAggressive EOL careHigh-quality EOLOral anticancer therapySystemic therapy useCare unit admissionMultivariable logistic regressionQuality of endUnit admissionED visitsOlder patientsYounger patientsHospital admissionTherapy use
2019
“Radiotherapy for older women (ROW)”: A risk calculator for women with early-stage breast cancer
Wang SY, Abujarad F, Chen T, Evans SB, Killelea BK, Mougalian SS, Fraenkel L, Gross C. “Radiotherapy for older women (ROW)”: A risk calculator for women with early-stage breast cancer. Journal Of Geriatric Oncology 2019, 11: 850-859. PMID: 31899199, PMCID: PMC7263974, DOI: 10.1016/j.jgo.2019.12.010.Peer-Reviewed Original ResearchConceptsEarly-stage breast cancerRisk calculatorLocal recurrenceBreast cancerOlder womenTumor characteristicsBreast cancer-specific outcomesReceipt of radiotherapyCancer-specific outcomesEarly breast cancerIndividual patient's riskBenefits of radiotherapyAdvisory CommitteeLife expectancyOnline risk calculatorLong-term survivalShared decision makingBenefit of RTOlder adult womenRadiotherapy statusCause mortalityOverall survivalRecurrence reductionFunctional statusPatient riskRisk of unexpected uterine Cancer in women undergoing myomectomy: A population-based study
Desai VB, Wright J, Gross C, Lin H, Boscoe F, Schwartz P, Xu X. Risk of unexpected uterine Cancer in women undergoing myomectomy: A population-based study. European Journal Of Obstetrics & Gynecology And Reproductive Biology 2019, 238: 188-190. PMID: 31103353, DOI: 10.1016/j.ejogrb.2019.03.021.Peer-Reviewed Original Research
2018
Factors Associated With Cancer Disparities Among Low-, Medium-, and High-Income US Counties
O’Connor J, Sedghi T, Dhodapkar M, Kane MJ, Gross CP. Factors Associated With Cancer Disparities Among Low-, Medium-, and High-Income US Counties. JAMA Network Open 2018, 1: e183146. PMID: 30646225, PMCID: PMC6324449, DOI: 10.1001/jamanetworkopen.2018.3146.Peer-Reviewed Original ResearchConceptsCancer death ratesDeath rateHigh-income countiesCancer disparitiesPossible mediatorsAge-standardized cancer death ratesLow-income countiesCross-sectional studyClinical care factorsIncome-related disparitiesNon-Hispanic blacksHealth risk behaviorsLow-quality careUS countiesPhysical inactivityCare factorsMAIN OUTCOMEFair healthDeath recordsMedian household incomeMedian incomeHealth StatisticsRisk behaviorsHealth policyCounty income levelsAdherence to Guidelines for Breast Surveillance in Breast Cancer Survivors.
Ruddy KJ, Sangaralingham L, Freedman RA, Mougalian S, Neuman H, Greenberg C, Jemal A, Duma N, Haddad TC, Lemaine V, Ghosh K, Hieken TJ, Hunt K, Vachon C, Gross C, Shah ND. Adherence to Guidelines for Breast Surveillance in Breast Cancer Survivors. Journal Of The National Comprehensive Cancer Network 2018, 16: 526-534. PMID: 29752327, DOI: 10.6004/jnccn.2018.7001.Peer-Reviewed Original ResearchConceptsBreast cancer survivorsCancer survivorsBreast cancerDecreased likelihoodDefinitive breast cancer surgeryLikelihood of mammographySurvivorship care guidelinesCurative-intent treatmentProportion of patientsNonmetastatic breast cancerResidual breast tissueBreast cancer surgeryAdministrative claims dataBreast imagingBreast cancer treatmentMedicare Advantage beneficiariesBreast surveillanceInsured cohortPatient characteristicsAnnual mammographyCancer surgeryCare guidelinesBreast surgeryHealthcare useBlack race
2017
The Impact of Social Contagion on Physician Adoption of Advanced Imaging Tests in Breast Cancer
Pollack CE, Soulos PR, Herrin J, Xu X, Christakis NA, Forman HP, Yu JB, Killelea BK, Wang SY, Gross CP. The Impact of Social Contagion on Physician Adoption of Advanced Imaging Tests in Breast Cancer. Journal Of The National Cancer Institute 2017, 109: djw330. PMID: 28376191, PMCID: PMC6059114, DOI: 10.1093/jnci/djw330.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingBaseline usePositron emission tomography scanEnd Results-MedicareEmission tomography scanBreast cancer practiceImaging modalitiesAdvanced imaging testsHierarchical logistic regression modelsLogistic regression modelsPatient characteristicsUnproven benefitCancer practiceMRI/PETTomography scanBreast cancerMRI useImaging testsClinical practicePET useResonance imagingPET imagingPhysician peersPhysician adoptionBaseline periodRacial and Ethnic Disparities in Oncotype DX Test Receipt in a Statewide Population-Based Study.
Davis BA, Aminawung JA, Abu-Khalaf MM, Evans SB, Su K, Mehta R, Wang SY, Gross CP. Racial and Ethnic Disparities in Oncotype DX Test Receipt in a Statewide Population-Based Study. Journal Of The National Comprehensive Cancer Network 2017, 15: 346-354. PMID: 28275035, DOI: 10.6004/jnccn.2017.0034.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBiomarkers, TumorBreast NeoplasmsConnecticutFemaleGene Expression ProfilingGenetic TestingHealth Services AccessibilityHealthcare DisparitiesHumansLymphatic MetastasisMiddle AgedNeoplasm GradingNeoplasm StagingOdds RatioPatient Outcome AssessmentPopulation SurveillanceRegistriesRetrospective StudiesSocioeconomic FactorsYoung AdultConceptsPopulation-based studyOncotype DXODX testingBreast cancerHispanic womenHormone receptor-positive breast cancerReceptor-positive breast cancerRetrospective population-based studyWhite womenRacial disparitiesGEP test resultsBreast cancer careBreast cancer outcomesStudy inclusion criteriaGene expression profiling testsMore white womenClinical characteristicsTest receiptCancer outcomesCancer careInclusion criteriaLogistic analysisEthnic disparitiesStatewide populationWomen
2015
Regional-Level Correlations in Inappropriate Imaging Rates for Prostate and Breast Cancers: Potential Implications for the Choosing Wisely Campaign
Makarov DV, Soulos PR, Gold HT, Yu JB, Sen S, Ross JS, Gross CP. Regional-Level Correlations in Inappropriate Imaging Rates for Prostate and Breast Cancers: Potential Implications for the Choosing Wisely Campaign. JAMA Oncology 2015, 1: 185-194. PMID: 26181021, PMCID: PMC4707944, DOI: 10.1001/jamaoncol.2015.37.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBreast NeoplasmsCatchment Area, HealthChi-Square DistributionDiagnostic ImagingFemaleGuideline AdherenceHumansLogistic ModelsMaleMedicareMultivariate AnalysisPractice Guidelines as TopicPractice Patterns, Physicians'Predictive Value of TestsProstatic NeoplasmsResidence CharacteristicsRetrospective StudiesRisk FactorsSEER ProgramUnited StatesUnnecessary ProceduresConceptsLow-risk prostate cancerProstate cancerBreast cancerProstate cancer imagingFourth quartileLow-risk breast cancerBreast cancer imagingLow-risk prostateEnd Results-MedicareRetrospective cohort studyMultivariable logistic regressionChoosing Wisely campaignPatient-level analysisAppropriateness of careHospital referral regionsCancer imagingQuality of careInappropriate imagingCohort studyWisely campaignHealth care spendingLowest quartileOdds ratioPatient levelHRR level
2014
Evolution of Breast Cancer Screening in the Medicare Population: Clinical and Economic Implications
Killelea BK, Long JB, Chagpar AB, Ma X, Wang R, Ross JS, Gross CP. Evolution of Breast Cancer Screening in the Medicare Population: Clinical and Economic Implications. Journal Of The National Cancer Institute 2014, 106: dju159. PMID: 25031307, PMCID: PMC4155428, DOI: 10.1093/jnci/dju159.Peer-Reviewed Original ResearchConceptsEnd Results-MedicareBreast cancer stageCohort of womenEarly-stage tumorsBreast cancer screeningAdjunct imagingSignificant changesCancer screeningCancer stageIncidence rateBreast cancerAdjunct procedureOlder womenMedicare populationMedicare beneficiariesClinical practiceComputer-aided detectionPoisson regressionNational feeCohortBreast ultrasoundWomenEarlier cohortsLater cohortsMedicare spending
2013
The Cost of Breast Cancer Screening in the Medicare Population
Gross CP, Long JB, Ross JS, Abu-Khalaf MM, Wang R, Killelea BK, Gold HT, Chagpar AB, Ma X. The Cost of Breast Cancer Screening in the Medicare Population. JAMA Internal Medicine 2013, 173: 220-226. PMID: 23303200, PMCID: PMC3638736, DOI: 10.1001/jamainternmed.2013.1397.Peer-Reviewed Original ResearchConceptsBreast cancer screeningCancer screeningTreatment costsBetter breast cancer outcomesEnd Results-Medicare databaseService MedicareHigh screening costsWomen ages 66Breast cancer outcomesInitial cancer treatmentHospital referral region levelWomen 75 yearsInitial treatment costsEarly-stage cancerDigital screening mammographyCancer outcomesCancer incidenceCancer stageLowest quartileAge 66Breast cancerOlder womenMedicare populationComputer-aided detectionTreatment expenditures