2020
Chromosome 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 system
2019
Clinical Effectiveness of Hypomethylating Agents (HMAs) and Lenalidomide (Len) in Older Patients (pts) with Refractory Anemia with Ring Sideroblasts: A Large Population-Based Study in the United States (US)
Wang X, Wang R, Zhang C, Zeidan A, Podoltsev N, Huntington S, Gore S, Davidoff A, Ma X. Clinical Effectiveness of Hypomethylating Agents (HMAs) and Lenalidomide (Len) in Older Patients (pts) with Refractory Anemia with Ring Sideroblasts: A Large Population-Based Study in the United States (US). Blood 2019, 134: 4748. DOI: 10.1182/blood-2019-128821.Peer-Reviewed Original ResearchPopulation-based studyLR-MDSMedian overall survivalOverall survivalClinical effectivenessHypomethylating agentCelgene CorporationMedian durationRed blood cellsMedian timeRing sideroblastsBoehringer IngelheimAdvisory CommitteeLarge population-based studyDaiichi SankyoOlder adultsAbnormal erythroid precursorsTransfusion independence rateEnd Results-MedicareHigh-risk MDSErythropoiesis-stimulating agentsKaplan-Meier statisticsComparative clinical effectivenessEnd of studyPart D coverageClinical Outcomes of Older Patients (pts) with Acute Myeloid Leukemia (AML) Receiving Hypomethylating Agents (HMAs): A Large Population-Based Study in the United States
Zeidan A, Wang R, Wang X, Shallis R, Podoltsev N, Bewersdorf J, Huntington S, Neparidze N, Giri S, Gore S, Davidoff A, Ma X. Clinical Outcomes of Older Patients (pts) with Acute Myeloid Leukemia (AML) Receiving Hypomethylating Agents (HMAs): A Large Population-Based Study in the United States. Blood 2019, 134: 646. DOI: 10.1182/blood-2019-127398.Peer-Reviewed Original ResearchRBC transfusion dependenceAcute myeloid leukemiaMedian overall survivalTransfusion independenceOverall survivalTransfusion dependenceHypomethylating agentCelgene CorporationHMA initiationIntensive chemotherapyOS probabilityMedian timeMultivariable analysisMultivariable Cox proportional hazards modelsBoehringer IngelheimAdvisory CommitteeCox proportional hazards modelDaiichi SankyoChemotherapy-related hospitalizationMo of diagnosisRBC transfusion independenceImproved overall survivalClinical trial evidenceInferior overall survivalWorse overall survivalAssociation 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 ResearchConceptsMyelodysplastic 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 survivalSurvivalSyndromeTemporal patterns and predictors of receiving no active treatment among older patients with acute myeloid leukemia in the United States: A population‐level analysis
Zeidan AM, Podoltsev NA, Wang X, Bewersdorf JP, Shallis RM, Huntington SF, Gore SD, Davidoff AJ, Ma X, Wang R. Temporal patterns and predictors of receiving no active treatment among older patients with acute myeloid leukemia in the United States: A population‐level analysis. Cancer 2019, 125: 4241-4251. PMID: 31483484, PMCID: PMC7733320, DOI: 10.1002/cncr.32439.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaTime of diagnosisOlder patientsActive treatmentMyeloid leukemiaMultivariable logistic regression modelMedian overall survivalPercentage of patientsLow-intensity therapyMajority of patientsNovel therapeutic optionsQuality of careLogistic regression modelsIntensity therapyTherapy receiptOverall survivalWorse survivalClinical factorsInferior survivalEntire cohortTherapeutic optionsPatient populationRetrospective analysisHigher oddsProvider characteristicsChromosome 1 abnormalities and clinical outcomes in multiple myeloma in the era of novel agents.
Giri S, Huntington S, Wang R, Zeidan A, Podoltsev N, Gore S, Ma X, Gross C, Davidoff A, Neparidze N. Chromosome 1 abnormalities and clinical outcomes in multiple myeloma in the era of novel agents. Journal Of Clinical Oncology 2019, 37: 8044-8044. DOI: 10.1200/jco.2019.37.15_suppl.8044.Peer-Reviewed Original ResearchOverall survivalMultiple myelomaPerformance statusMultivariable Cox survival analysisMedian overall survivalPoor performance statusLines of therapyKaplan-Meier methodCox regression analysisDays of diagnosisWorse overall survivalCox survival analysisLog-rank testReal-world treatmentCommon genetic mutationsHigh-risk mutationsSitu hybridization testingElectronic health recordsISS stageReal-world practiceMedian ageMeier methodOS independentPrimary outcomeSpecific regimens
2018
Does Provider Experience Treating Patients (pts) with Myelodysplastic Syndromes (MDS) Explain Duration of Hypomethylating Agent (HMA) Therapy and Overall Survival (OS)? A Large Population-Based Analysis
Zeidan A, Hu X, Zhu W, Stahl M, Giri S, Huntington S, Wang R, Podoltsev N, Gore S, Ma X, Davidoff A. Does Provider Experience Treating Patients (pts) with Myelodysplastic Syndromes (MDS) Explain Duration of Hypomethylating Agent (HMA) Therapy and Overall Survival (OS)? A Large Population-Based Analysis. Blood 2018, 132: 370. DOI: 10.1182/blood-2018-99-111052.Peer-Reviewed Original ResearchHMA cyclesOverall survivalHMA initiationHMA therapyMyelodysplastic syndromeProvider typeCancer CenterMD volumeMultivariate Cox proportional hazardsKaplan-Meier log-rank testAZA-001 trialMedian overall survivalTwo-sided statistical testsLog-rank testReal-world survivalCox proportional hazardsLogistic regression analysisWilcoxon rank sum testChi-square testCommunity-based practiceRank sum testEligible ptsLookback periodEarly discontinuationAgent therapy
2017
Hypomethylating agent (HMA) therapy use and survival in older patients with higher risk myelodysplastic syndromes (HR-MDS) in the United States (USA): A large population-based study.
Zeidan A, Hu X, Long J, Wang R, Huntington S, Podoltsev N, Giri S, Stahl M, Gore S, Ma X, Davidoff A. Hypomethylating agent (HMA) therapy use and survival in older patients with higher risk myelodysplastic syndromes (HR-MDS) in the United States (USA): A large population-based study. Journal Of Clinical Oncology 2017, 35: 7057-7057. DOI: 10.1200/jco.2017.35.15_suppl.7057.Peer-Reviewed Original ResearchOverall survivalHR-MDSDiagnosis yearUS population-based analysisEnd Results-Medicare dataHigh-risk myelodysplastic syndromeLarge population-based studyConventional care regimensMedian overall survivalRetrospective cohort studyRisk myelodysplastic syndromesPopulation-based studyRecent registry dataPopulation-based analysisUse of decitabineAZA-001Unselected natureCohort studyConventional careExcess blastsOlder patientsTherapy usePatient selectionSurvival prolongationCare regimens
2015
Lack of Association Between Costs of Care and Overall Survival (OS) Among Medicare Beneficiaries with Myelodysplastic Syndromes (MDS) in the United States (US)
Zeidan A, Wang R, Davidoff A, Gore S, Soulos P, Huntington S, Gross C, Ma X. Lack of Association Between Costs of Care and Overall Survival (OS) Among Medicare Beneficiaries with Myelodysplastic Syndromes (MDS) in the United States (US). Blood 2015, 126: 873. DOI: 10.1182/blood.v126.23.873.873.Peer-Reviewed Original ResearchDisability Status ScoreOverall survivalMyelodysplastic syndromeMDS patientsCost of careStudy cohortLack of associationHistologic subtypeStatus scoreMedicare beneficiariesEnd Results-Medicare databaseProportional hazards regression modelsOverall study cohortMedian overall survivalOutcomes of patientsElixhauser comorbidity scoreDate of diagnosisEntire study cohortKaplan-Meier methodHazards regression modelsDisease-related costsNon-white raceEnd of studyDate of deathMedicare Part A