2024
Myelodysplastic Syndromes and Myelodysplastic Syndromes/Myeloproliferative Neoplasms: A Real-World Experience From a Developing Country
Awidi A, Alzu'bi M, Odeh N, Alrawabdeh J, Al Zyoud M, Hamadneh Y, Bawa'neh H, Magableh A, Alshorman A, Al-Fararjeh F, Aladily T, Zeidan A. Myelodysplastic Syndromes and Myelodysplastic Syndromes/Myeloproliferative Neoplasms: A Real-World Experience From a Developing Country. JCO Global Oncology 2024, 10: e2300281. PMID: 38422464, PMCID: PMC10914245, DOI: 10.1200/go.23.00281.Peer-Reviewed Original ResearchMeSH KeywordsDeveloping CountriesFemaleFerritinsHumansLeukemia, Myeloid, AcuteMaleMiddle AgedMyelodysplastic SyndromesRetrospective StudiesConceptsMyelodysplastic syndromeAML transformationMDS/myeloproliferative neoplasmRevised International Prognostic Scoring SystemClonal bone marrow disordersRisk of AML transformationInternational Prognostic Scoring SystemBaseline serum ferritin levelsMultivariate Cox regression modelMale to female ratioMyelodysplastic syndromes/myeloproliferative neoplasmsPrimary myelodysplastic syndromesPrognostic Scoring SystemSerum ferritin levelsMyelodysplastic syndrome subtypesBaseline serum ferritinBone marrow disordersLactate dehydrogenase levelsCox regression modelsJordan University HospitalRetrospective registry dataRisk of deathPeripheral cytopeniasBaseline ferritinIneffective hematopoiesis
2023
Racial 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 leukemiaImpact of Prophylactic Antibacterials on Coagulation Profiles and Bleeding in Patients with Acute Myeloid Leukemia/Myelodysplastic Syndrome
Allen C, Gautam S, Cheng W, Pine A, Podoltsev N, Zeidan A, Lee A, Shallis R. Impact of Prophylactic Antibacterials on Coagulation Profiles and Bleeding in Patients with Acute Myeloid Leukemia/Myelodysplastic Syndrome. Acta Haematologica 2023, 146: 287-292. PMID: 37166332, DOI: 10.1159/000530153.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultHumansLeukemia, Myeloid, AcuteMyelodysplastic SyndromesRetrospective StudiesConceptsAML/myelodysplastic syndromeAcute myeloid leukemiaInternational normalized ratioAntibacterial prophylaxisMyelodysplastic syndromeProphylactic antibacterialsCoagulation profileAcute myeloid leukemia/myelodysplastic syndromeDiagnosis of AMLHigher international normalized ratioLeukemia/myelodysplastic syndromePartial thromboplastin time prolongationYale-New Haven HospitalYale-New HavenRetrospective cohort studyAbnormal coagulation profileGroup of patientsTime of admissionHigh rateIndividual patient encountersInstitutional review boardAntibacterial exposureRelevant bleedingAdult patientsCohort studySecond 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
Impact of pre-transplant induction and consolidation cycles on AML allogeneic transplant outcomes: a CIBMTR analysis in 3113 AML patients
Boyiadzis M, Zhang M, Chen K, Abdel-Azim H, Abid M, Aljurf M, Bacher U, Badar T, Badawy S, Battiwalla M, Bejanyan N, Bhatt V, Brown V, Castillo P, Cerny J, Copelan E, Craddock C, Dholaria B, Perez M, Ebens C, Gale R, Ganguly S, Gowda L, Grunwald M, Hashmi S, Hildebrandt G, Iqbal M, Jamy O, Kharfan-Dabaja M, Khera N, Lazarus H, Lin R, Modi D, Nathan S, Nishihori T, Patel S, Pawarode A, Saber W, Sharma A, Solh M, Wagner J, Wang T, Williams K, Winestone L, Wirk B, Zeidan A, Hourigan C, Litzow M, Kebriaei P, de Lima M, Page K, Weisdorf D. Impact of pre-transplant induction and consolidation cycles on AML allogeneic transplant outcomes: a CIBMTR analysis in 3113 AML patients. Leukemia 2022, 37: 1006-1017. PMID: 36310182, PMCID: PMC10148918, DOI: 10.1038/s41375-022-01738-3.Peer-Reviewed Original ResearchConceptsPrimary induction failureAllo-HCTRIC allo-HCTComplete remissionOverall survivalConsolidation therapyAML patientsDetectable MRDRelapse riskInduction cyclesAllogeneic hematopoietic cell transplantationConsolidation cyclesPre-transplant inductionFirst complete remissionAdult AML patientsReduced-intensity conditioningBetter overall survivalHematopoietic cell transplantationRisk of relapseAllogeneic transplant outcomesCIBMTR analysisImproved OSInduction failureTransplant outcomesCell transplantationVenetoclax-based salvage therapy in patients with relapsed/refractory acute myeloid leukemia previously treated with FLT3 or IDH1/2 inhibitors
Bewersdorf JP, Shallis RM, Derkach A, Goldberg AD, Stein A, Stein EM, Marcucci G, Zeidan AM, Shimony S, DeAngelo DJ, Stone RM, Aldoss I, Ball BJ, Stahl M. Venetoclax-based salvage therapy in patients with relapsed/refractory acute myeloid leukemia previously treated with FLT3 or IDH1/2 inhibitors. Leukemia & Lymphoma 2022, 64: 188-196. PMID: 36287540, PMCID: PMC9905301, DOI: 10.1080/10428194.2022.2136952.Peer-Reviewed Original ResearchMeSH KeywordsBridged Bicyclo Compounds, HeterocyclicFms-Like Tyrosine Kinase 3HumansIsocitrate DehydrogenaseLeukemia, Myeloid, AcuteRetrospective StudiesSalvage TherapyConceptsAcute myeloid leukemiaSalvage therapyIDH1/2 inhibitorsIDH2 inhibitorsMyeloid leukemiaResponse rateRefractory acute myeloid leukemiaEffective salvage therapyLow-dose cytarabineMedian overall survivalRetrospective cohort studyOverall response rateLow response rateCohort studyOverall survivalAML patientsTreatment optionsFLT3 inhibitorsITD mutationPatientsTherapyFLT3Little dataVenetoclaxInhibitorsEfficacy of FLT3 and IDH1/2 inhibitors in patients with acute myeloid leukemia previously treated with venetoclax
Bewersdorf JP, Shallis RM, Derkach A, Goldberg AD, Stein A, Stein EM, Marcucci G, Zeidan AM, Shimony S, DeAngelo DJ, Stone RM, Aldoss I, Ball BJ, Stahl M. Efficacy of FLT3 and IDH1/2 inhibitors in patients with acute myeloid leukemia previously treated with venetoclax. Leukemia Research 2022, 122: 106942. PMID: 36108424, DOI: 10.1016/j.leukres.2022.106942.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaIDH2 inhibitorsMyeloid leukemiaResponse rateRetrospective cohort studyOverall response rateRAS pathway mutationsNovel therapeutic strategiesMedian OSR AMLCohort studyShorter OSLandmark trialsTargeted agentsFrontline treatmentMutant FLT3Combination therapyTreatment optionsIDH1/2 inhibitorsDisease progressionTherapeutic strategiesPatientsSmall molecule inhibitorsVenetoclaxTherapy
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 differencesManagement of hyperleukocytosis and impact of leukapheresis among patients with acute myeloid leukemia (AML) on short- and long-term clinical outcomes: a large, retrospective, multicenter, international study
Stahl M, Shallis RM, Wei W, Montesinos P, Lengline E, Neukirchen J, Bhatt VR, Sekeres MA, Fathi AT, Konig H, Luger S, Khan I, Roboz GJ, Cluzeau T, Martínez-Cuadron D, Raffoux E, Germing U, Umakanthan JM, Mukherjee S, Brunner AM, Miller A, McMahon CM, Ritchie EK, Rodríguez-Veiga R, Itzykson R, Boluda B, Rabian F, Tormo M, Acuña-Cruz E, Rabinovich E, Yoo B, Cano I, Podoltsev NA, Bewersdorf JP, Gore S, Zeidan AM. Management of hyperleukocytosis and impact of leukapheresis among patients with acute myeloid leukemia (AML) on short- and long-term clinical outcomes: a large, retrospective, multicenter, international study. Leukemia 2020, 34: 3149-3160. PMID: 32132655, PMCID: PMC8155811, DOI: 10.1038/s41375-020-0783-3.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaOverall survivalMyeloid leukemiaMultivariate analysisLong-term clinical outcomesComposite complete remissionImpact of leukapheresisManagement of hyperleukocytosisMedian overall survivalThirty-day mortalityHigh-quality evidenceWhite cell countProportional hazards modelUse of leukapheresisLogistic regression modelsSignificant resource useIntensive chemotherapyComplete remissionHazard ratioClinical outcomesInferior outcomesUnadjusted analysesQuality evidencePotential complicationsOdds ratio
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 ResearchMeSH KeywordsAgedAnemia, Refractory, with Excess of BlastsAzacitidineHumansMedicareMyelodysplastic SyndromesPropensity ScoreRetrospective StudiesUnited StatesConceptsHigh-risk myelodysplastic syndromeExcess blastsRefractory anemiaOverall survival benefitRetrospective cohort studyMedian OSOS benefitRAEB patientsCohort studySurvival benefitTherapy useMyelodysplastic syndromeClinical trialsLower riskMedicare dataPatientsPropensity scoreOlder adultsDiagnosisAnemiaQuartileUnited StatesAssociationEnd resultOSRBC 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 oddsTransfusionPatientsTreatment sequence of lenalidomide and hypomethylating agents and the impact on clinical outcomes for patients with myelodysplastic syndromes
Zeidan AM, Klink AJ, McGuire M, Feinberg B. Treatment sequence of lenalidomide and hypomethylating agents and the impact on clinical outcomes for patients with myelodysplastic syndromes. Leukemia & Lymphoma 2019, 60: 2050-2055. PMID: 30636526, DOI: 10.1080/10428194.2018.1551538.Peer-Reviewed Original ResearchConceptsMyelodysplastic syndromeFirst-line useLonger treatment durationAgent azacitidineTreatment discontinuationClinical outcomesMedian timeInsurance disenrollmentUS payersTreatment durationLenalidomidePatientsTreatment sequenceOptimal sequencingSyndromeSurvivalOutcomesDiscontinuationAzacitidineDecitabineDisenrollment
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 volumePerformance of the Medical Research Council (MRC) and the Leukemia Research Foundation (LRF) score in predicting survival benefit with hypomethylating agent use in patients with relapsed or refractory acute myeloid leukemia
Stahl M, DeVeaux M, Montesinos P, Itzykson R, Ritchie EK, Sekeres MA, Barnard J, Podoltsev NA, Brunner A, Komrokji RS, Bhatt VR, Al-Kali A, Cluzeau T, Santini V, Roboz GJ, Fenaux P, Litzow M, Fathi AT, Perreault S, Kim TK, Prebet T, Vey N, Verma V, Germing U, Bergua J, Serrano J, Gore SD, Zeidan AM. Performance of the Medical Research Council (MRC) and the Leukemia Research Foundation (LRF) score in predicting survival benefit with hypomethylating agent use in patients with relapsed or refractory acute myeloid leukemia. Leukemia & Lymphoma 2018, 60: 246-249. PMID: 29963936, DOI: 10.1080/10428194.2018.1468893.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsDrug Resistance, NeoplasmFemaleHematopoietic Stem Cell TransplantationHumansLeukemia, Myeloid, AcuteMaleMiddle AgedNeoplasm Recurrence, LocalPrognosisRetrospective StudiesRisk AssessmentRisk FactorsSurvival AnalysisTransplantation, HomologousTreatment OutcomeYoung AdultHypomethylating agents in relapsed and refractory AML: outcomes and their predictors in a large international patient cohort
Stahl M, DeVeaux M, Montesinos P, Itzykson R, Ritchie EK, Sekeres MA, Barnard JD, Podoltsev NA, Brunner AM, Komrokji RS, Bhatt VR, Al-Kali A, Cluzeau T, Santini V, Fathi AT, Roboz GJ, Fenaux P, Litzow MR, Perreault S, Kim TK, Prebet T, Vey N, Verma V, Germing U, Bergua JM, Serrano J, Gore SD, Zeidan AM. Hypomethylating agents in relapsed and refractory AML: outcomes and their predictors in a large international patient cohort. Blood Advances 2018, 2: 923-932. PMID: 29685952, PMCID: PMC5916007, DOI: 10.1182/bloodadvances.2018016121.Peer-Reviewed Original ResearchConceptsOverall survivalRR-AMLMedian OSOlder acute myeloid leukemia patientsAcute myeloid leukemia patientsCR/CRiIncomplete count recoveryMedian overall survivalDecreased overall survivalBone marrow blastsReasonable therapeutic optionMyeloid leukemia patientsPredictors of responseImproved response ratesLarge international patient cohortInternational patient cohortGood responseComplete remissionHematologic improvementRefractory AMLMarrow blastsMedian ageCount recoveryFrontline treatmentTherapeutic optionsAllogeneic Hematopoietic Stem Cell Transplantation Following the Use of Hypomethylating Agents among Patients with Relapsed or Refractory AML: Findings from an International Retrospective Study
Stahl M, DeVeaux M, Montesinos P, Itzykson R, Ritchie EK, Sekeres MA, Majhail N, Barnard J, Podoltsev NA, Brunner AM, Komrokji RS, Bhatt VR, Al-Kali A, Cluzeau T, Santini V, Roboz GJ, Fenaux P, Litzow M, Fathi AT, Perreault S, Kim TK, Prebet T, Vey N, Verma V, Kobbe G, Bergua J, Serrano J, Gore SD, Zeidan AM. Allogeneic Hematopoietic Stem Cell Transplantation Following the Use of Hypomethylating Agents among Patients with Relapsed or Refractory AML: Findings from an International Retrospective Study. Transplantation And Cellular Therapy 2018, 24: 1754-1758. PMID: 29649620, DOI: 10.1016/j.bbmt.2018.03.025.Peer-Reviewed Original ResearchConceptsHematopoietic stem cell transplantationAllogeneic hematopoietic stem cell transplantationHMA therapyStem cell transplantationComplete remissionCell transplantationUnrelated hematopoietic stem cell transplantationInternational retrospective studyLimited treatment optionsAcute myeloid leukemiaChronic GVHDMedian OSPrimary refractoryRR-AMLConditioning regimenRefractory AMLPatients patientsUnrelated donorsEntire cohortPoor prognosisRetrospective studyTreatment optionsMyeloid leukemiaInternational cohortHypomethylating agent
2017
Long-term survival of older patients with MDS treated with HMA therapy without subsequent stem cell transplantation
Zeidan AM, Stahl M, Hu X, Wang R, Huntington SF, Podoltsev NA, Gore SD, Ma X, Davidoff AJ. Long-term survival of older patients with MDS treated with HMA therapy without subsequent stem cell transplantation. Blood 2017, 131: 818-821. PMID: 29259002, PMCID: PMC6410557, DOI: 10.1182/blood-2017-10-811729.Peer-Reviewed Original ResearchHealth Care Use by Older Adults With Acute Myeloid Leukemia at the End of Life
Wang R, Zeidan AM, Halene S, Xu X, Davidoff AJ, Huntington SF, Podoltsev NA, Gross CP, Gore SD, Ma X. Health Care Use by Older Adults With Acute Myeloid Leukemia at the End of Life. Journal Of Clinical Oncology 2017, 35: jco.2017.72.714. PMID: 28783450, PMCID: PMC5648174, DOI: 10.1200/jco.2017.72.7149.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaDays of lifeEnd of lifeLife careHospice careOlder patientsHospice enrollmentMyeloid leukemiaIntensive care unit admissionMultivariable logistic regression analysisOlder adultsLate hospice enrollmentCare unit admissionRetrospective cohort studyUse of chemotherapyIntensive care unitHealth care useLogistic regression analysisYears of ageUnit admissionAggressive treatmentCohort studyOverall cohortAML diagnosisCare unitHypomethylating agent therapy use and survival in older patients with chronic myelomonocytic leukemia in the United States: A large population‐based study
Zeidan AM, Hu X, Long JB, Wang R, Ma X, Podoltsev NA, Huntington SF, Gore SD, Davidoff AJ. Hypomethylating agent therapy use and survival in older patients with chronic myelomonocytic leukemia in the United States: A large population‐based study. Cancer 2017, 123: 3754-3762. PMID: 28621841, PMCID: PMC6540984, DOI: 10.1002/cncr.30814.Peer-Reviewed Original ResearchConceptsChronic myelomonocytic leukemiaRisk of deathSupportive careEnd Results-Medicare databaseOlder adultsMedian OS timeOverall survival benefitCohort of patientsProportional hazards modelUse of HMAsMedian OSAgent therapySurvival benefitOS timeCMML patientsMyelomonocytic leukemiaHazards modelHMA treatmentPatientsTemporal improvementSecondary analysisPropensity scoreLimited evidenceSurvival changesApproval