2019
The Impact of the 2011 European Leukemianet (ELN) Guidelines for Philadelphia Chromosome-Negative Classical Myeloproliferative Neoplasms on Therapeutic Phlebotomy and Hydroxyurea Use in Patients with Polycythemia Vera and Essential Thrombocythemia
Podoltsev N, Wang R, Shallis R, Huntington S, Zeidan A, Gore S, Davidoff A, Ma X. The Impact of the 2011 European Leukemianet (ELN) Guidelines for Philadelphia Chromosome-Negative Classical Myeloproliferative Neoplasms on Therapeutic Phlebotomy and Hydroxyurea Use in Patients with Polycythemia Vera and Essential Thrombocythemia. Blood 2019, 134: 2125. DOI: 10.1182/blood-2019-127563.Peer-Reviewed Original ResearchTherapeutic phlebotomyPopulation-based cohortPV patientsELN guidelinesET patientsPolycythemia veraEssential thrombocythemiaGuideline publicationCelgene CorporationCytoreductive therapyHU useMonthly proportionBoehringer IngelheimLarge population-based cohortAdvisory CommitteeDaiichi SankyoOlder adultsEuropean LeukemiaNet guidelinesEnd Results-MedicareProportion of patientsHealthcare Common Procedure Coding System codesPopulation-based studyPatterns of careTreatment of patientsPart D claimsClinical 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 coverageIncidence and Risk Factors of Second Malignancies Among Medicare Beneficiaries with Newly-Diagnosed Philadelphia Chromosome-Negative Classical Myeloproliferative Neoplasms Receiving Cytoreductive Therapy with Hydroxyurea
Wang R, Shallis R, Huntington S, Zeidan A, Gore S, Davidoff A, Ma X, Podoltsev N. Incidence and Risk Factors of Second Malignancies Among Medicare Beneficiaries with Newly-Diagnosed Philadelphia Chromosome-Negative Classical Myeloproliferative Neoplasms Receiving Cytoreductive Therapy with Hydroxyurea. Blood 2019, 134: 330. DOI: 10.1182/blood-2019-127568.Peer-Reviewed Original ResearchMyeloid hematological malignanciesHU usersPopulation-based studyHematological malignanciesCumulative incidenceCelgene CorporationMPN diagnosisCytoreductive therapySolid malignanciesGray's testPolycythemia veraMPN patientsEssential thrombocythemiaContinuous Part D coverageBoehringer IngelheimAdvisory CommitteeLarge population-based studyDaiichi SankyoImpact of hydroxyureaRetrospective cohort studyElixhauser comorbidity scorePV/ET myelofibrosisRisk regression modelsSAS version 9.4Part D coveragePatterns of Care and Clinical Outcomes with 7+3 Induction Chemotherapy for Patients (pts) with Acute Myeloid Leukemia (AML) in the United States (US): A Large Population-Based Study
Zeidan A, Podoltsev N, Wang X, Bewersdorf J, Shallis R, Huntington S, Neparidze N, Giri S, Gore S, Ma X, Davidoff A, Wang R. Patterns of Care and Clinical Outcomes with 7+3 Induction Chemotherapy for Patients (pts) with Acute Myeloid Leukemia (AML) in the United States (US): A Large Population-Based Study. Blood 2019, 134: 116. DOI: 10.1182/blood-2019-126643.Peer-Reviewed Original ResearchBone marrow aspirate/biopsyHigh-volume hospitalsAcute myeloid leukemiaMedium-volume hospitalsAML ptsInduction chemotherapyIntensive care unitAnti-infective medicationsAnti-viral medicationInpatient stayCelgene CorporationAntifungal prophylaxisHospital deathVolume hospitalsHospital volumeMechanical ventilationLarge population-based retrospective cohort studyPopulation-based retrospective cohort studyCytarabine-based induction chemotherapyBoehringer IngelheimAdvisory CommitteeLarge population-based studyDaiichi SankyoInduction-related mortalityMedium-volume institutionsClinical 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 survival
2016
Undertreatment of Patients (Pts) with Myelodysplastic Syndromes (MDS): Analysis of a Large Electronic Medical Records (EMR) Database Cohort of US Pts with MDS
Steensma D, Scott B, Ma X, Fliss A, Kiselev P, Swern A, Sugrue M. Undertreatment of Patients (Pts) with Myelodysplastic Syndromes (MDS): Analysis of a Large Electronic Medical Records (EMR) Database Cohort of US Pts with MDS. Blood 2016, 128: 4768. DOI: 10.1182/blood.v128.22.4768.4768.Peer-Reviewed Original ResearchAbsolute neutrophil countMedian absolute neutrophil countSequence of therapyMedian platelet countFirst therapyMedian ageMyelodysplastic syndromeMedian Hb levelPlatelet countHb levelsTreatment groupsCelgene CorporationSecond therapyFirst treatmentTreatment of MDSHigher absolute neutrophil countCommon initial therapyCurrent care patternsLower median hemoglobinUndertreatment of patientsAvailable therapeutic agentsHigher platelet countsClinical Modification codingSimilar Hb levelsThird therapy
2015
Use of an Electronic Medical Record (EMR) Database to Identify a Real-World Cohort of US Patients (Pts) with Myelodysplastic Syndromes (MDS)
Ma X, Swern A, Kiselev P, Fliss A, Lu J, Scott B, Steensma D, Sugrue M. Use of an Electronic Medical Record (EMR) Database to Identify a Real-World Cohort of US Patients (Pts) with Myelodysplastic Syndromes (MDS). Blood 2015, 126: 3319. DOI: 10.1182/blood.v126.23.3319.3319.Peer-Reviewed Original ResearchDiagnosis of MDSICD-9-CM codesReal-world cohortMyelodysplastic syndromeActive treatmentEMR databaseFinal cohortInitial cohortCelgene CorporationBaseline characteristicsSupportive careSupportive treatmentTreatment patternsClinical trialsSEER programInclusion criteriaReal-world clinical practiceElectronic medical record databaseClinical Modification codesPopulation-based surveillanceEnd Results ProgramPrimary care physiciansCancer outcomes researchBone marrow aspirateClinical practice data