2024
Characterization of time toxicity in older patients with metastatic breast cancer
Atre S, Soulos P, Kuderer N, Gross C, Baum L, Dinan M, Lustberg M. Characterization of time toxicity in older patients with metastatic breast cancer. Breast Cancer Research And Treatment 2024, 207: 541-550. PMID: 38816556, DOI: 10.1007/s10549-024-07379-7.Peer-Reviewed Original ResearchMetastatic breast cancerBone-modifying agentsComorbid medical conditionsOlder patientsBreast cancerRetrospective cohort studySEER-Medicare databaseTreatment typeCancer treatment modalityTreatment modalitiesSEER-MedicareCohort studyUnadjusted analysisPatientsAge-related impactCancer treatmentComorbiditiesDay patientsCancerRadiotherapyOlder ageMedical conditionsToxicityTreatmentSociodemographic factorsOpioid prescribing trends and pain scores among adult patients with cancer in a large health system.
Baum L, Soulos P, KC M, Jeffery M, Ruddy K, Lerro C, Lee H, Graham D, Liberatore M, Rivera D, Leapman M, Jairam V, Dinan M, Gross C, Park H. Opioid prescribing trends and pain scores among adult patients with cancer in a large health system. Journal Of Clinical Oncology 2024, 42: 11059-11059. DOI: 10.1200/jco.2024.42.16_suppl.11059.Peer-Reviewed Original ResearchDocumented painHealth systemOpioid prescribingOpioid prescriptionsOpioid prescribing trendsYale New Haven Health SystemPrescribing trendsMetastatic cancerDocumented pain scoresUS health systemOpioid usePain scoresAdult patientsCalculated predicted probabilitiesFlowsheet dataRetrospective cohort studyRelated harmSolid tumor malignanciesCohort studyCancer painPrescribingContext of cancer treatmentStudy criteriaPainSurgery cohortArea 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 disadvantage
2023
Total and treatment-related costs of care associated with in patients with metastatic renal cell carcinoma receiving targeted or immune therapy.
Rahman S, Long J, Westvold S, Wheeler S, Spees L, Leapman M, Hurwitz M, McManus H, Gross C, Dinan M. Total and treatment-related costs of care associated with in patients with metastatic renal cell carcinoma receiving targeted or immune therapy. JCO Oncology Practice 2023, 19: 28-28. DOI: 10.1200/op.2023.19.11_suppl.28.Peer-Reviewed Original ResearchMetastatic renal cell carcinomaOral anticancer agentsInitial treatmentRetrospective cohort studyUse of immunotherapyYear of diagnosisRenal cell carcinomaDirect treatment costsMean Medicare paymentsMedicare paymentsMedicare Part DInitial therapyCohort studyMetastatic diagnosisCell carcinomaCombination therapyImmunotherapyMedicare beneficiariesPatientsAge 65Disease controlOlder ageStudy periodTherapyDiagnosisMutation-specific costs of advanced non-small cell lung cancer treatment.
Tan J, Yang S, Dinan M, Chiang A, Gross C, Wang S. Mutation-specific costs of advanced non-small cell lung cancer treatment. JCO Oncology Practice 2023, 19: 14-14. DOI: 10.1200/op.2023.19.11_suppl.14.Peer-Reviewed Original ResearchAdvanced non-small cell lung cancerNon-small cell lung cancerMean medication costsActionable gene alterationsMedication costsFirst-year costsReference groupAdvanced non-small cell lung cancer (NSCLC) treatmentNon-small cell lung cancer (NSCLC) treatmentCell lung cancer treatmentGene alterationsBiomarker resultsFlatiron Health databasePD-L1 resultsTherapy prolongs survivalRetrospective cohort studyCell lung cancerBiomarker test resultsLung cancer treatmentCost-effectiveness analysisCohort studyNovel immunotherapiesOverall cohortProlong survivalTreatment optionsCharacteristics, healthcare utilization, and outcomes of patients with HER2-low breast cancer
Check D, Jackson B, Reeder-Hayes K, Dinan M, Faherty E, Kwong J, Mehta S, Spees L, Wheeler S, Wilson L, Lam C. Characteristics, healthcare utilization, and outcomes of patients with HER2-low breast cancer. Breast Cancer Research And Treatment 2023, 203: 329-338. PMID: 37875669, DOI: 10.1007/s10549-023-07142-4.Peer-Reviewed Original ResearchConceptsHER2-low breast cancerBreast cancerHealthcare utilizationOutcomes of patientsRetrospective cohort studyStage IV diseaseStage IV patientsMetastatic breast cancerNew treatment guidelinesRate of hospitalizationBreast cancer patientsClinical characteristicsCohort studyHazard ratioIV patientsOverall cohortPositive diseaseTreatment guidelinesIHC 0Utilization outcomesTreatment optionsCancer patientsSurvival differencesPatientsStage IVTrends in new and persistent opioid use in older adults with and without cancer
Baum L, KC M, Soulos P, Jeffery M, Ruddy K, Lerro C, Lee H, Graham D, Rivera D, Leapman M, Jairam V, Dinan M, Gross C, Park H. Trends in new and persistent opioid use in older adults with and without cancer. Journal Of The National Cancer Institute 2023, 116: 316-323. PMID: 37802882, DOI: 10.1093/jnci/djad206.Peer-Reviewed Original ResearchAdditional opioid useNew opioid useOpioid useNon-metastatic cancerPersistent opioid useRetrospective cohort studySolid tumor malignanciesClinical strataEligible patientsNaïve patientsOpioid prescribingMetastatic patientsSurgery patientsCohort studySEER-MedicareMetastatic cancerPatientsTumor malignancyCancerOlder adultsSurgeryRandom sampleAdditional useChemotherapyPrescribingFactors Associated With Receipt of Molecular Testing and its Impact on Time to Initial Systemic Therapy in Metastatic Non-Small Cell Lung Cancer
Osazuwa-Peters O, Wilson L, Check D, Roberts M, Srinivasan S, Clark A, Crawford J, Chrischilles E, Carnahan R, Campbell W, Cowell L, Greenlee R, Abbott A, Mosa A, Mandhadi V, Stoddard A, Dinan M. Factors Associated With Receipt of Molecular Testing and its Impact on Time to Initial Systemic Therapy in Metastatic Non-Small Cell Lung Cancer. Clinical Lung Cancer 2023, 24: 305-312. PMID: 37055337, DOI: 10.1016/j.cllc.2023.03.001.Peer-Reviewed Original ResearchConceptsInitial systemic treatmentSystemic treatmentMolecular testingComorbidity statusMetastatic non-small cell lung cancer patientsMetastatic non-small cell lung cancerTime-varying Cox regression modelsNon-small cell lung cancer patientsProportional hazardsNon-small cell lung cancerCell lung cancer patientsInitial systemic therapyMolecular testing ratesRetrospective cohort studyMajority of patientsCell lung cancerCox regression modelLung cancer patientsNon-Hispanic white individualsCox proportional hazardsYears of ageRace/ethnicityAdult patientsCohort studyPatient ageEvolution of systemic therapy from 2015 to 2019 for older patients in the United States 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. Evolution of systemic therapy from 2015 to 2019 for older patients in the United States with metastatic renal cell carcinoma. Journal Of Clinical Oncology 2023, 41: 610-610. DOI: 10.1200/jco.2023.41.6_suppl.610.Peer-Reviewed Original ResearchMetastatic renal cell carcinomaImmune checkpoint inhibitorsOral anti-cancer agentsNon-Hispanic white patientsSystemic therapyRenal cell carcinomaNHW patientsWhite patientsCell carcinomaMedicare beneficiariesService Medicare Parts ARetrospective cohort studyOverall treatment rateMedicare Part AIO therapyMRCC therapyAnti-cancer agentsCheckpoint inhibitorsCohort studyOlder patientsRandomized trialsSurvival improvementFirst therapyStudy criteriaTreatment receipt
2022
Concurrent prescribing of opioids with other sedating medications after cancer diagnosis: a population-level analysis
Check D, Baggett C, Kim K, Merlin J, Oeffinger K, Winn A, Roberts M, Robinson T, Dinan M. Concurrent prescribing of opioids with other sedating medications after cancer diagnosis: a population-level analysis. Supportive Care In Cancer 2022, 30: 9781-9791. PMID: 36396793, DOI: 10.1007/s00520-022-07439-y.Peer-Reviewed Original ResearchConceptsConcurrent prescribingSedating medicationsPatient characteristicsMedication-related eventsRetrospective cohort studyNon-metastatic cancerPopulation-based assessmentCancer registry dataMental health conditionsSubstance use disordersPrivate insurance claimsConcurrent prescriptionsCohort studyHispanic patientsSymptom managementRelative riskRegistry dataGabapentinoidsOpioidsPrescribingUse disordersPatientsPoisson regressionPrior useMedicationsOral Anticancer Agent (OAA) Adherence and Survival in Elderly Patients With Metastatic Renal Cell Carcinoma (mRCC)
Dinan MA, Wilson LE, Greiner MA, Spees LP, Pritchard JE, Zhang T, Kaye D, George D, Scales CD, Baggett CD, Gross CP, Leapman MS, Wheeler SB. Oral Anticancer Agent (OAA) Adherence and Survival in Elderly Patients With Metastatic Renal Cell Carcinoma (mRCC). Urology 2022, 168: 129-136. PMID: 35878815, PMCID: PMC9588695, DOI: 10.1016/j.urology.2022.07.012.Peer-Reviewed Original ResearchConceptsMetastatic renal cell carcinomaOral anticancer agentsRenal cell carcinomaCell carcinomaMedicare beneficiariesPocket costsOdds of adherenceRetrospective cohort studyDisease-specific survivalReal-world adherenceRCC-specific survivalProportion of daysNon-significant trendAdherent useOAA therapyCohort studyElderly patientsMultivariable analysisStudy criteriaUnivariate analysisOAA treatmentPatientsCarcinomaAdherenceSurvivalMediators 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 diagnosisPatient- And Provider-Level Predictors of Survival Among Patients With Metastatic Renal Cell Carcinoma Initiating Oral Anticancer Agents
Spees LP, Dinan MA, Jackson BE, Baggett CD, Wilson LE, Greiner MA, Kaye DR, Zhang T, George DJ, Scales CD, Pritchard JE, Leapman M, Gross CP, Wheeler SB. Patient- And Provider-Level Predictors of Survival Among Patients With Metastatic Renal Cell Carcinoma Initiating Oral Anticancer Agents. Clinical Genitourinary Cancer 2022, 20: e396-e405. PMID: 35595633, PMCID: PMC9529768, DOI: 10.1016/j.clgc.2022.04.010.Peer-Reviewed Original ResearchConceptsOral anticancer agentsCause mortalityReal-world populationHazard ratioComplex patientsMetastatic renal cell carcinoma patientsFDA approvalMetastatic renal cell carcinomaRenal cell carcinoma patientsProvider-level predictorsRetrospective cohort studyCell carcinoma patientsPatients' clinical characteristicsProvider-level factorsPivotal clinical trialsState Cancer RegistryRenal cell carcinomaCox hazard modelHigh-quality careAnticancer agentsProvider Enumeration SystemMRCC patientsClinical characteristicsCohort studyPatient characteristics
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 uptakePredictors of Chronic Opioid Use: A Population-Level Analysis of North Carolina Cancer Survivors Using Multi-Payer Claims
Check DK, Baggett C, Kim K, Roberts AW, Roberts MC, Robinson T, Oeffinger KC, Dinan MA. Predictors of Chronic Opioid Use: A Population-Level Analysis of North Carolina Cancer Survivors Using Multi-Payer Claims. Journal Of The National Cancer Institute 2021, 113: 1581-1589. PMID: 33881543, PMCID: PMC8562975, DOI: 10.1093/jnci/djab082.Peer-Reviewed Original ResearchConceptsChronic opioid useChronic opioid therapyOpioid useCancer survivorsOpioid therapyBaseline depressionLong-term pain managementSubstance useRetrospective cohort studyPopulation-based studyCancer registry dataLow-income survivorsCohort studyPatient characteristicsPain managementActive treatmentNonmetastatic cancerChronic useInsurance statusRelative riskRegistry dataOpioidsPoisson regressionYounger ageAge groups
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
2014
Redistribution 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
2013
Oral Contraceptive Pills as Primary Prevention for Ovarian Cancer
Havrilesky LJ, Moorman PG, Lowery WJ, Gierisch JM, Coeytaux RR, Urrutia RP, Dinan M, McBroom AJ, Hasselblad V, Sanders GD, Myers ER. Oral Contraceptive Pills as Primary Prevention for Ovarian Cancer. Obstetrics And Gynecology 2013, 122: 139-147. PMID: 23743450, DOI: 10.1097/aog.0b013e318291c235.Peer-Reviewed Original ResearchConceptsOral contraceptive pillsUse of OCPOvarian cancer incidenceOCP useContraceptive pillsCancer incidenceOvarian cancerDuration-dependent reductionDuration-response relationshipOvarian cancer riskDuration of useCohort studyCochrane DatabasePrimary preventionSTUDY SELECTIONInclusion criteriaCancer riskDiscordant decisionsGeneral populationPrimary analysisSystematic reviewTeam reviewIncidenceSignificant reductionMore years