2023
Statin 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 subgroupOlder 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 accessSecond 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 myelofibrosisTreatment patterns and real-world effectiveness of rituximab maintenance in older patients with mantle cell lymphoma: a population-based analysis
Di M, Long J, Kothari S, Sethi T, Zeidan A, Podoltsev N, Shallis R, Wang R, Ma X, Huntington S. Treatment patterns and real-world effectiveness of rituximab maintenance in older patients with mantle cell lymphoma: a population-based analysis. Haematologica 2023, 108: 2218-2223. PMID: 36655436, PMCID: PMC10388284, DOI: 10.3324/haematol.2022.282252.Peer-Reviewed Original Research
2022
Changes in multiple myeloma treatment patterns during the early COVID-19 pandemic period
Neparidze N, Wang R, Zeidan AM, Podoltsev NA, Shallis RM, Ma X, Davidoff AJ, Huntington SF. Changes in multiple myeloma treatment patterns during the early COVID-19 pandemic period. Leukemia 2022, 36: 2136-2139. PMID: 35761025, PMCID: PMC9243711, DOI: 10.1038/s41375-022-01633-x.Peer-Reviewed Original ResearchSurvival of mantle cell lymphoma in the era of Bruton tyrosine kinase inhibitors: a population-based analysis
Di M, Cui C, Kothari S, Zeidan AM, Podoltsev NA, Neparidze N, Shallis R, Wang R, Ma X, Huntington SF. Survival of mantle cell lymphoma in the era of Bruton tyrosine kinase inhibitors: a population-based analysis. Blood Advances 2022, 6: 3339-3342. PMID: 35240689, PMCID: PMC9198937, DOI: 10.1182/bloodadvances.2021006934.Peer-Reviewed Original ResearchPractice 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
2021
Clinical effectiveness of DNA methyltransferase inhibitors and lenalidomide in older patients with refractory anemia with ring sideroblasts: a population-based study in the United States
Wang X, Zeidan AM, Wang R, Bewersdorf JP, Zhang C, Podoltsev NA, Huntington SF, Gore SD, Ma X. Clinical effectiveness of DNA methyltransferase inhibitors and lenalidomide in older patients with refractory anemia with ring sideroblasts: a population-based study in the United States. Leukemia & Lymphoma 2021, 62: 2438-2447. PMID: 33899659, DOI: 10.1080/10428194.2021.1913142.Peer-Reviewed Original ResearchConceptsPopulation-based studyDNA methyltransferase inhibitorRARS patientsRefractory anemiaRing sideroblastsRed blood cell transfusion independenceEnd Results-Medicare databaseLower-risk myelodysplastic syndromesPopulation-based cohortMethyltransferase inhibitorRBC-TIMedian durationMedian survivalOlder patientsTransfusion independenceTreatment initiationMyelodysplastic syndromeClinical effectivenessBetter survivalLenalidomideTreatment groupsPatientsRS statusOlder adultsAnemiaPatterns of Care for Older Patients With Myelofibrosis: A Population-based Study
Meckstroth S, Wang R, Ma X, Podoltsev N. Patterns of Care for Older Patients With Myelofibrosis: A Population-based Study. Clinical Lymphoma Myeloma & Leukemia 2021, 21: e551-e558. PMID: 33648884, DOI: 10.1016/j.clml.2021.01.025.Peer-Reviewed Original ResearchConceptsPatterns of careOlder patientsEnd Results-Medicare databaseJAK inhibitor eraHigh-risk patientsPopulation-based studyUse of ruxolitinibJAK inhibitor ruxolitinibUnited States FoodRuxolitinib approvalMedian ageMedian timeTreatment patternsD claimsCurrent treatmentInhibitor ruxolitinibPatientsBetter outcomesClinical experienceDrug AdministrationMedicare Part BMyelofibrosisRuxolitinibStates FoodNew drugsEpidemiology of the Philadelphia Chromosome-Negative Classical Myeloproliferative Neoplasms
Shallis RM, Zeidan AM, Wang R, Podoltsev NA. Epidemiology of the Philadelphia Chromosome-Negative Classical Myeloproliferative Neoplasms. Hematology/Oncology Clinics Of North America 2021, 35: 177-189. PMID: 33641862, DOI: 10.1016/j.hoc.2020.11.005.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsContemporary practice patterns of tyrosine kinase inhibitor use among older patients with chronic myeloid leukemia in the United States
Shallis RM, Wang R, Bewersdorf JP, Zeidan AM, Davidoff AJ, Huntington SF, Podoltsev NA, Ma X. Contemporary practice patterns of tyrosine kinase inhibitor use among older patients with chronic myeloid leukemia in the United States. Therapeutic Advances In Hematology 2021, 12: 20406207211043404. PMID: 35154624, PMCID: PMC8832334, DOI: 10.1177/20406207211043404.Peer-Reviewed Original ResearchChronic phase chronic myeloid leukemiaFrontline tyrosine kinase inhibitorsTyrosine kinase inhibitorsOlder patientsChronic myeloid leukemiaTKI switchingMyeloid leukemiaSecond-generation tyrosine kinase inhibitorsBCR-ABL1 tyrosine kinase inhibitorsTyrosine kinase inhibitor useOlder CML patientsEnd Results-MedicareFavorable safety profileSpecific patient populationsContemporary practice patternsFrontline imatinibTKI choiceGreater comorbidityMost patientsInhibitor usePatient characteristicsWhite patientsDiagnosis yearTKI useCML patients
2020
Diet and Risk of Myeloproliferative Neoplasms in Older Individuals from the NIH-AARP Cohort
Podoltsev NA, Wang X, Wang R, Hofmann JN, Liao LM, Zeidan AM, Mesa RA, Ma X. Diet and Risk of Myeloproliferative Neoplasms in Older Individuals from the NIH-AARP Cohort. Cancer Epidemiology Biomarkers & Prevention 2020, 29: 2343-2350. PMID: 32868318, PMCID: PMC8895351, DOI: 10.1158/1055-9965.epi-20-0592.Peer-Reviewed Original ResearchConceptsRisk of MPNPolycythemia veraEssential thrombocythemiaMyeloproliferative neoplasmsHazard ratioSugar intakeDietary factorsMultivariable Cox proportional hazards modelsRisk of PVCox proportional hazards modelHigh sugar intakeNIH-AARP DietIntake of fatConfidence intervalsNIH-AARP cohortRole of dietProportional hazards modelPotential confounding variablesParticipants ages 50Warrants further investigationProspective cohortHigh intakePV riskAge 50Health StudyInterferon alpha therapy in essential thrombocythemia and polycythemia vera—a systematic review and meta-analysis
Bewersdorf JP, Giri S, Wang R, Podoltsev N, Williams RT, Tallman MS, Rampal RK, Zeidan AM, Stahl M. Interferon alpha therapy in essential thrombocythemia and polycythemia vera—a systematic review and meta-analysis. Leukemia 2020, 35: 1643-1660. PMID: 32868875, PMCID: PMC7917159, DOI: 10.1038/s41375-020-01020-4.Peer-Reviewed Original ResearchConceptsOverall response ratePEG-IFNPolycythemia veraEssential thrombocythemiaHematologic responsePV patientsResponse rateSystematic reviewMeta-regression analysis resultsSafe long-term treatmentPartial hematologic responseSafety of interferonInterferon-alpha therapyLong-term treatmentRandom-effects modelMeta-regression analysisWeb of ScienceTreatment discontinuationCochrane RegistryAdverse eventsComplete responsePartial responsePrimary outcomeThromboembolic complicationsClinical trialsInterferon Therapy in Myelofibrosis: Systematic Review and Meta-analysis
Bewersdorf JP, Giri S, Wang R, Podoltsev N, Williams RT, Rampal RK, Tallman MS, Zeidan AM, Stahl M. Interferon Therapy in Myelofibrosis: Systematic Review and Meta-analysis. Clinical Lymphoma Myeloma & Leukemia 2020, 20: e712-e723. PMID: 32669244, PMCID: PMC7541411, DOI: 10.1016/j.clml.2020.05.018.Peer-Reviewed Original ResearchConceptsOverall response rateTreatment of myelofibrosisPEG-IFNMF patientsResponse rateHematologic responseSystematic reviewFormulations of interferonPartial hematologic responseCochrane Central RegisterComplete hematologic responseRisk of progressionRole of interferonAcute myeloid leukemiaPhiladelphia chromosome-negative myeloproliferative neoplasmsRandom-effects modelBone marrow failureWeb of ScienceTreatment discontinuationCentral RegisterConstitutional symptomsHematologic improvementInterferon therapyAdverse eventsComplete responseEpidemiology of the classical myeloproliferative neoplasms: The four corners of an expansive and complex map
Shallis RM, Wang R, Davidoff A, Ma X, Podoltsev NA, Zeidan AM. Epidemiology of the classical myeloproliferative neoplasms: The four corners of an expansive and complex map. Blood Reviews 2020, 42: 100706. PMID: 32517877, DOI: 10.1016/j.blre.2020.100706.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsChronic myeloid leukemiaPolycythemia veraEssential thrombocythemiaMyeloproliferative neoplasmsClassical myeloproliferative neoplasmsPrimary myelofibrosisIncidence of CMLEnd Results program dataTyrosine kinase inhibitor therapyCML patient outcomesClonal myeloid disordersKinase inhibitor therapyPotential etiological roleInhibitor therapyMale genderRisk factorsPatient outcomesMyeloid leukemiaPMF patientsBetter survivalGeneral populationEtiological roleMyeloid disordersMolecular abnormalitiesEpidemiological literatureChromosome 1 abnormalities and survival of patients with multiple myeloma in the era of novel agents
Giri S, Huntington SF, Wang R, Zeidan AM, Podoltsev N, Gore SD, Ma X, Gross CP, Davidoff AJ, Neparidze N. Chromosome 1 abnormalities and survival of patients with multiple myeloma in the era of novel agents. Blood Advances 2020, 4: 2245-2253. PMID: 32442299, PMCID: PMC7252537, DOI: 10.1182/bloodadvances.2019001425.Peer-Reviewed Original ResearchConceptsHigh-risk chromosomal abnormalitiesOverall survivalMultiple myelomaChromosome 1 abnormalitiesCox proportional hazards regression modelHigh-risk multiple myelomaProportional hazards regression modelsFlatiron Health databaseR-ISS stageMedian overall survivalFirst-line therapyDays of diagnosisInferior overall survivalInternational Staging SystemKaplan-Meier methodSurvival of patientsWorse overall survivalLog-rank testHazards regression modelsCommon genetic aberrationsElectronic health recordsEligible patientsContemporary cohortImmunomodulatory agentsStaging systemClinical 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 ResearchConceptsAcute 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 unitReply to comments on: Lifestyles and myeloproliferative neoplasms with special reference to coffee consumption
Podoltsev NA, Wang X, Wang R, Hofmann JN, Liao LM, Zeidan AM, Mesa R, Ma X. Reply to comments on: Lifestyles and myeloproliferative neoplasms with special reference to coffee consumption. International Journal Of Cancer 2020, 146: 3523-3523. PMID: 32167580, PMCID: PMC8915778, DOI: 10.1002/ijc.32974.Commentaries, Editorials and LettersLifestyle factors and risk of myeloproliferative neoplasms in the NIH‐AARP diet and health study
Podoltsev NA, Wang X, Wang R, Hofmann JN, Liao LM, Zeidan AM, Mesa R, Ma X. Lifestyle factors and risk of myeloproliferative neoplasms in the NIH‐AARP diet and health study. International Journal Of Cancer 2020, 147: 948-957. PMID: 31904114, PMCID: PMC8919268, DOI: 10.1002/ijc.32853.Peer-Reviewed Original ResearchConceptsNIH-AARP DietPolycythemia veraMyeloproliferative neoplasmsEssential thrombocythemiaHazard ratioLifestyle factorsCaffeine intakeHealth StudyMultivariable Cox proportional hazards regression modelsCox proportional hazards regression modelRisk of PVProportional hazards regression modelsRisk of MPNLarge prospective studiesHazards regression modelsConfidence intervalsPhiladelphia chromosome-negative myeloproliferative neoplasmsMPN riskOverall cohortProspective cohortProspective studyInverse associationRisk factorsPV riskProtective effect