2023
Traditional Medicare or Medicare Advantage? The Leukemia and Cancer Perspective
Kantarjian H, Zeidan A, Fathi A, Stein E, Rajkumar V, Tefferi A. Traditional Medicare or Medicare Advantage? The Leukemia and Cancer Perspective. Mayo Clinic Proceedings 2023, 99: 15-21. PMID: 38108685, DOI: 10.1016/j.mayocp.2023.11.004.Peer-Reviewed Original ResearchMeSH KeywordsAgedHumansInsurance CoverageInsurance, MedigapLeukemiaMedicare Part CNeoplasmsUnited StatesStatin use, survival and incidence of thrombosis among older patients with polycythemia vera and essential thrombocythemia
Podoltsev N, Wang R, Shallis R, Stempel J, Di M, Neparidze N, Zeidan A, Huntington S, Giri S, Hull S, Gore S, Ma X. Statin use, survival and incidence of thrombosis among older patients with polycythemia vera and essential thrombocythemia. Cancer Medicine 2023, 12: 18889-18900. PMID: 37702132, PMCID: PMC10557879, DOI: 10.1002/cam4.6528.Peer-Reviewed Original ResearchConceptsIncidence of thrombosisPolycythemia veraEssential thrombocythemiaStatin useOlder adultsEnd Results-Medicare databasePopulation-based cohort studyArterial thrombotic eventsSurvival of patientsUse of statinsClaims-based studyRisk of thrombosisCardiovascular morbidityCause mortalityTreatment weighting (IPTW) approachCohort studyOlder patientsOverall survivalThrombotic eventsVenous thrombosisPatient populationPrevious registryStatinsTherapeutic strategiesET subgroupRacial and Socioeconomic Disparities in Long-Term Outcomes in ≥1 Year Allogeneic Hematopoietic Cell Transplantation Survivors: A CIBMTR Analysis
Blue B, Brazauskas R, Chen K, Patel J, Zeidan A, Steinberg A, Ballen K, Kwok J, Rotz S, Perez M, Kelkar A, Ganguly S, Wingard J, Lad D, Sharma A, Badawy S, Lazarus H, Hashem H, Szwajcer D, Knight J, Bhatt N, Page K, Beattie S, Arai Y, Liu H, Arnold S, Freytes C, Abid M, Beitinjaneh A, Farhadfar N, Wirk B, Winestone L, Agrawal V, Preussler J, Seo S, Hashmi S, Lehmann L, Wood W, Rangarajan H, Saber W, Majhail N. Racial and Socioeconomic Disparities in Long-Term Outcomes in ≥1 Year Allogeneic Hematopoietic Cell Transplantation Survivors: A CIBMTR Analysis. Transplantation And Cellular Therapy 2023, 29: 709.e1-709.e11. PMID: 37482244, PMCID: PMC11258715, DOI: 10.1016/j.jtct.2023.07.013.Peer-Reviewed Original ResearchConceptsHematopoietic cell transplantationLong-term outcomesAllogeneic hematopoietic cell transplantationRace/ethnicityNonrelapse mortalityOverall survivalNon-Hispanic blacksNon-Hispanic whitesSocioeconomic statusMyeloid leukemiaNeighborhood poverty levelFirst allogeneic hematopoietic cell transplantationZip codesAdult allogeneic HCT recipientsMarrow Transplant Research databaseHematopoietic cell transplantation (HCT) survivorsAllogeneic hematopoietic cell transplantation survivorsAllogeneic HCT survivorsAllogeneic HCT recipientsHigh-poverty areasLong-term survivorsStandardized mortality ratioAcute lymphocytic leukemiaAcute myeloid leukemiaChronic myeloid leukemiaOlder patients with chronic myeloid leukemia face suboptimal molecular testing and tyrosine kinase inhibitor adherence
Shallis R, Wang R, Zeidan A, Huntington S, Neparidze N, Stempel J, Mendez L, Di M, Ma X, Podoltsev N. Older patients with chronic myeloid leukemia face suboptimal molecular testing and tyrosine kinase inhibitor adherence. Blood Advances 2023, 7: 3213-3224. PMID: 36939371, PMCID: PMC10338212, DOI: 10.1182/bloodadvances.2022009074.Peer-Reviewed Original ResearchConceptsChronic myeloid leukemiaTKI adherenceTKI initiationOlder patientsMyeloid leukemiaEnd Results-Medicare databaseTyrosine kinase inhibitor usePolymerase chain reaction testingQuantitative polymerase chain reaction testingOlder patient populationCare of patientsHealth care accessReal-world studyReal-world evidenceLow socioeconomic statusLow-income subsidyFirst yearInfluenza vaccinationInhibitor useWorse survivalTKI treatmentMultivariable analysisPatient populationOptimal monitoringCare accessCost-Effectiveness Analyses in AML: What Have We Learned, How Should This Impact Patient Care, and What Needs to Be Done in the Future?
Bewersdorf J, Huntington S, Zeidan A. Cost-Effectiveness Analyses in AML: What Have We Learned, How Should This Impact Patient Care, and What Needs to Be Done in the Future? Journal Of The National Comprehensive Cancer Network 2023, 21: 522-528. PMID: 37037494, DOI: 10.6004/jnccn.2023.70012.Peer-Reviewed Original ResearchMeSH KeywordsAdultCost-Benefit AnalysisCost-Effectiveness AnalysisHumansLeukemia, Myeloid, AcutePatient CareUnited StatesConceptsCost-effectiveness analysisEconomic modeling techniquesCost-effectiveness studiesFinite financial resourcesDrug pricesHealth policy decisionsPolicy decisionsFinancial resourcesResource allocationUnited StatesPublic interestCostHealthcare systemPricesSuch analysesLimited resourcesAllocationCountriesConsumersData sourcesPayersAssumptionBenefitsBudgetary considerationsDifferent interventionsSecond malignancies among older patients with classical myeloproliferative neoplasms treated with hydroxyurea
Wang R, Shallis R, Stempel JM, Huntington SF, Zeidan AM, Gore SD, Ma X, Podoltsev NA. Second malignancies among older patients with classical myeloproliferative neoplasms treated with hydroxyurea. Blood Advances 2023, 7: 734-743. PMID: 35917456, PMCID: PMC9989521, DOI: 10.1182/bloodadvances.2022008259.Peer-Reviewed Original ResearchConceptsSecond malignanciesAcute myeloid leukemiaOlder patientsMyelodysplastic syndromeMyeloproliferative neoplasmsHU usersHigh riskPolycythemia veraEssential thrombocythemiaRisk of SMAML/myelodysplastic syndromeClassical Philadelphia chromosome-negative myeloproliferative neoplasmsImpact of hydroxyureaRetrospective cohort studyUse of hydroxyureaPhiladelphia chromosome-negative myeloproliferative neoplasmsClassical myeloproliferative neoplasmsCumulative incidence probabilityCohort studyCytoreductive therapyPatient characteristicsMedian ageHU useMyeloid leukemiaSecondary myelofibrosisVenetoclax plus azacitidine compared with intensive chemotherapy as induction for patients with acute myeloid leukemia: retrospective analysis of an electronic medical record database in the United States
Zeidan A, Pollyea D, Borate U, Vasconcelos A, Potluri R, Rotter D, Kiendrebeogo Z, Gaugler L, Prebet T, Strocchia M, Bonifacio G, Chen C. Venetoclax plus azacitidine compared with intensive chemotherapy as induction for patients with acute myeloid leukemia: retrospective analysis of an electronic medical record database in the United States. Annals Of Hematology 2023, 102: 749-754. PMID: 36732419, PMCID: PMC10285011, DOI: 10.1007/s00277-023-05109-5.Peer-Reviewed Original ResearchConceptsHematopoietic stem cell transplantAcute myeloid leukemiaRelapse-free survivalIntensive chemotherapyComplete remissionOverall survivalMyeloid leukemiaRetrospective analysisMedian relapse-free survivalElectronic medical record databaseFlatiron Health databaseMedian overall survivalStem cell transplantMedical record databaseElectronic health recordsHSCT ratesRelapse rateCell transplantControlled TrialsTreatment outcomesHealth databasesPatientsRecord databaseMonthsHealth records
2022
Cost-effectiveness of azacitidine and ivosidenib in newly diagnosed older, intensive chemotherapy-ineligible patients with IDH1-mutant acute myeloid leukemia
Bewersdorf J, Patel K, Goshua G, Shallis R, Podoltsev N, Stahl M, Stein E, Huntington S, Zeidan A. Cost-effectiveness of azacitidine and ivosidenib in newly diagnosed older, intensive chemotherapy-ineligible patients with IDH1-mutant acute myeloid leukemia. Leukemia & Lymphoma 2022, 64: 454-461. PMID: 36493798, PMCID: PMC9957935, DOI: 10.1080/10428194.2022.2140288.Peer-Reviewed Original ResearchPatient Preferences for Benefits, Risks, and Administration Route of Hypomethylating Agents in Myelodysplastic Syndromes
Zeidan AM, Tsai JH, Karimi M, Schmier J, Jayade S, Zormpas E, Hassan A, Ruiters D, Anthony C, Hill K, Wert T, Botteman M. Patient Preferences for Benefits, Risks, and Administration Route of Hypomethylating Agents in Myelodysplastic Syndromes. Clinical Lymphoma Myeloma & Leukemia 2022, 22: e853-e866. PMID: 35729009, DOI: 10.1016/j.clml.2022.04.023.Peer-Reviewed Original ResearchConceptsMyelodysplastic syndromePatient preferencesRelative attribute importanceRisk of AMLPatient advocacy group representativesAdministration burdenLevel of fatigueMode of administrationDCE choice tasksAML transformationMDS patientsSurvey patientsOral pillsCanadian patientsAdvocacy group representativesHypomethylating agentNumber of visitsAdministration frequencyAdministration routePatient proxyPatientsEquivalent effectivenessMDS riskAdministration methodsSame riskImpact of Hypomethylating Agent Use on Hospital and Emergency Room Visits, and Predictors of Early Discontinuation in Patients With Higher-Risk Myelodysplastic Syndromes
Zeidan AM, Joshi N, Kale H, Wang WJ, Corman S, Salimi T, Epstein RS. Impact of Hypomethylating Agent Use on Hospital and Emergency Room Visits, and Predictors of Early Discontinuation in Patients With Higher-Risk Myelodysplastic Syndromes. Clinical Lymphoma Myeloma & Leukemia 2022, 22: 670-679. PMID: 35614009, DOI: 10.1016/j.clml.2022.04.016.Peer-Reviewed Original ResearchConceptsHigh-risk myelodysplastic syndromeHMA therapyPoor performance statusRate of hospitalizationSEER-Medicare databaseMyelodysplastic syndromeER visitsEarly discontinuationPerformance statusEmergency roomOlder agePredictors of discontinuationEmergency room visitsHigh-risk groupHigh economic burdenTreatment discontinuationExcess blastsMore hospitalizationsNew hospitalizationRefractory anemiaRoom visitsHigh riskDiscontinuationMD diagnosisAgent usePractice patterns and real-life outcomes for patients with acute promyelocytic leukemia in the United States
Bewersdorf JP, Prozora S, Podoltsev NA, Shallis R, Huntington SF, Neparidze N, Wang R, Zeidan AM, Davidoff AJ. Practice patterns and real-life outcomes for patients with acute promyelocytic leukemia in the United States. Blood Advances 2022, 6: 376-385. PMID: 34724703, PMCID: PMC8791583, DOI: 10.1182/bloodadvances.2021005642.Peer-Reviewed Original ResearchConceptsAcute promyelocytic leukemiaAdverse outcomesPromyelocytic leukemiaNational Comprehensive Cancer Network guidelinesBaseline white blood cell countFavorable long-term prognosisWhite blood cell countVizient Clinical Data BaseGuideline-concordant regimensGuideline-concordant therapyGuideline-concordant treatmentGuideline-recommended therapiesBaseline clinical characteristicsHigh-risk diseaseLong-term prognosisPopulation-based registryBlood cell countClinical data baseLarge database analysisLogistic regression modelsTreatment concordanceClinical characteristicsReal-world practiceTreatment patternsNetwork guidelines
2020
Clinical outcomes of older patients with AML receiving hypomethylating agents: a large population-based study in the United States
Zeidan AM, Wang R, Wang X, Shallis RM, Podoltsev NA, Bewersdorf JP, Huntington SF, Neparidze N, Giri S, Gore SD, Davidoff AJ, Ma X. Clinical outcomes of older patients with AML receiving hypomethylating agents: a large population-based study in the United States. Blood Advances 2020, 4: 2192-2201. PMID: 32433746, PMCID: PMC7252544, DOI: 10.1182/bloodadvances.2020001779.Peer-Reviewed Original ResearchMeSH KeywordsAgedDecitabineHumansLeukemia, Myeloid, AcuteMedicareRetrospective StudiesTreatment OutcomeUnited StatesConceptsAcute myeloid leukemiaDecitabine-treated patientsTransfusion independenceRed blood cell transfusion independenceLarge population-based studyOlder AML patientsRBC transfusion independenceEnd Results-MedicarePopulation-based studyStandard of careAgent azacitidineMedian survivalOlder patientsIntensive therapyAML patientsClinical outcomesClinical benefitMyeloid leukemiaMortality riskPatientsAzacitidineDecitabineOlder adultsOne-thirdMeaningful differencesPatterns of care and clinical outcomes with cytarabine-anthracycline induction chemotherapy for AML patients in the United States
Zeidan AM, Podoltsev NA, Wang X, Zhang C, Bewersdorf JP, Shallis RM, Huntington SF, Neparidze N, Giri S, Gore SD, Davidoff AJ, Ma X, Wang R. Patterns of care and clinical outcomes with cytarabine-anthracycline induction chemotherapy for AML patients in the United States. Blood Advances 2020, 4: 1615-1623. PMID: 32311013, PMCID: PMC7189301, DOI: 10.1182/bloodadvances.2020001728.Peer-Reviewed Original ResearchConceptsIntensive induction chemotherapyAcute myeloid leukemiaHospital deathInduction chemotherapyAdult patientsMultivariable logistic regression modelLow hospital volumePremier Healthcare DatabasePredictors of deathHealthcare resource utilizationIntensive care unitPatterns of careStandard of careLogistic regression modelsFit patientsRemission inductionFirst hospitalizationHospital volumeInpatient deathInpatient mortalityOlder patientsSupportive careMedian ageAML patientsCare unit
2019
Hypomethylating agent (HMA) therapy use and survival in older adults with Refractory Anemia with Excess Blasts (RAEB) in the United States (USA): a large propensity score-matched population-based study†
Davidoff AJ, Hu X, Bewersdorf JP, Wang R, Podoltsev NA, Huntington SF, Gore SD, Ma X, Zeidan AM. Hypomethylating agent (HMA) therapy use and survival in older adults with Refractory Anemia with Excess Blasts (RAEB) in the United States (USA): a large propensity score-matched population-based study†. Leukemia & Lymphoma 2019, 61: 1178-1187. PMID: 31878809, PMCID: PMC7735409, DOI: 10.1080/10428194.2019.1703970.Peer-Reviewed Original ResearchConceptsHigh-risk myelodysplastic syndromeExcess blastsRefractory anemiaOverall survival benefitRetrospective cohort studyMedian OSOS benefitRAEB patientsCohort studySurvival benefitTherapy useMyelodysplastic syndromeClinical trialsLower riskMedicare dataPatientsPropensity scoreOlder adultsDiagnosisAnemiaQuartileUnited StatesAssociationEnd resultOSAssociation of provider experience and clinical outcomes in patients with myelodysplastic syndromes receiving hypomethylating agents
Zeidan AM, Hu X, Zhu W, Stahl M, Wang R, Huntington SF, Giri S, Bewersdorf JP, Podoltsev NA, Gore SD, Ma X, Davidoff AJ. Association of provider experience and clinical outcomes in patients with myelodysplastic syndromes receiving hypomethylating agents. Leukemia & Lymphoma 2019, 61: 397-408. PMID: 31570040, PMCID: PMC7732188, DOI: 10.1080/10428194.2019.1663423.Peer-Reviewed Original ResearchMeSH KeywordsAgedAntimetabolites, AntineoplasticHumansMedicareMyelodysplastic SyndromesProportional Hazards ModelsUnited StatesConceptsMyelodysplastic syndromeOverall survivalHMA cyclesHMA therapyProvider experienceCox proportional hazards modelOlder MDS patientsMedian overall survivalPercent of patientsSEER-Medicare dataMultivariate logistic regressionProportional hazards modelHMA initiationClinical outcomesMDS patientsClinical trialsMedian numberHMA treatmentHazards modelPatientsSignificant associationLogistic regressionPopulation-level survivalSurvivalSyndromeUnderutilization of guideline‐recommended supportive care among older adults with multiple myeloma in the United States
Giri S, Zhu W, Wang R, Zeidan A, Podoltsev N, Gore SD, Neparidze N, Ma X, Gross CP, Davidoff AJ, Huntington SF. Underutilization of guideline‐recommended supportive care among older adults with multiple myeloma in the United States. Cancer 2019, 125: 4084-4095. PMID: 31381151, DOI: 10.1002/cncr.32428.Peer-Reviewed Original ResearchConceptsBone-modifying drugsSupportive careMultiple myelomaInfluenza vaccinationAntiviral prophylaxisOlder adultsLower oddsEnd Results-Medicare databaseNon-Hispanic black patientsMultivariable logistic regression modelBaseline renal impairmentSupportive care useTreatment-related toxicityFacility-level characteristicsNon-Hispanic blacksOutcomes of interestCommunity-based settingsLogistic regression modelsRenal impairmentActive treatmentBlack patientsCare useConcomitant useProphylactic antiviralsReduced oddsRBC transfusion independence among lower risk MDS patients receiving hypomethylating agents: a population-level analysis
Zeidan AM, Zhu W, Stahl M, Wang R, Huntington SF, Giri S, Podoltsev NA, Gore SD, Ma X, Davidoff AJ. RBC transfusion independence among lower risk MDS patients receiving hypomethylating agents: a population-level analysis. Leukemia & Lymphoma 2019, 60: 3181-3187. PMID: 31170846, DOI: 10.1080/10428194.2019.1622700.Peer-Reviewed Original ResearchConceptsRBC transfusion independenceLR-MDS patientsTransfusion independenceHMA initiationRBC transfusionClinical effectivenessReal-life clinical effectivenessRed blood cell transfusionLower-risk myelodysplastic syndromesLow-risk MDS patientsRisk MDS patientsBlood cell transfusionRisk myelodysplastic syndromesHMA therapyLR-MDSCell transfusionMost patientsDisease courseMDS patientsMedicare databaseMyelodysplastic syndromePopulation-level estimatesLower oddsTransfusionPatients
2018
Oncologist volume and outcomes in older adults diagnosed with diffuse large B cell lymphoma
Huntington SF, Hoag JR, Zhu W, Wang R, Zeidan AM, Giri S, Podoltsev NA, Gore SD, Ma X, Gross CP, Davidoff AJ. Oncologist volume and outcomes in older adults diagnosed with diffuse large B cell lymphoma. Cancer 2018, 124: 4211-4220. PMID: 30216436, PMCID: PMC6263848, DOI: 10.1002/cncr.31688.Peer-Reviewed Original ResearchConceptsDiffuse large B-cell lymphomaLarge B-cell lymphomaB-cell lymphomaOlder adultsCell lymphomaPopulation-based cohort analysisHigh-quality cancer careAnthracycline-containing regimenGuideline-adherent therapyHigh-volume providersNumber of patientsLook-back periodCytotoxic regimensSystemic therapyImproved survivalClinical outcomesReduced hospitalizationsLymphoma patientsCancer careCohort analysisMedicare beneficiariesComplex surgeryDLBCL casesLymphomaClinical volumeBeliefs and practice patterns in hyperleukocytosis management in acute myeloid leukemia: a large U.S. web-based survey*
Stahl M, Pine A, Hendrickson JE, Litzow MR, Luger SM, Stone RM, Erba HP, Kim TK, Sekeres MA, Steensma DP, Komrokji RS, Gore SD, Zeidan AM. Beliefs and practice patterns in hyperleukocytosis management in acute myeloid leukemia: a large U.S. web-based survey*. Leukemia & Lymphoma 2018, 59: 2723-2726. PMID: 29667455, DOI: 10.1080/10428194.2018.1452219.Peer-Reviewed Original Research
2017
US Food and Drug Administration Black Box Warning and Its Impact on the Use of Erythropoiesis-Stimulating Agents: Thinking Outside the Box
Zeidan AM, Gore SD, Davidoff AJ. US Food and Drug Administration Black Box Warning and Its Impact on the Use of Erythropoiesis-Stimulating Agents: Thinking Outside the Box. Journal Of Clinical Oncology 2017, 35: jco.2017.74.310. PMID: 28787256, DOI: 10.1200/jco.2017.74.3104.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus Statements