2024
Loncastuximab in high-risk and heavily pretreated relapsed / refractory diffuse large B-cell lymphoma: a real-world analysis from 21 US centers.
Zelikson V, Gurumurthi A, Sawalha Y, Annunzio K, Saha A, Dong N, Qualls D, Amoozgar B, Kahl B, Baird J, Challa P, Huntington S, Santos J, Bair S, Narkhede M, Li S, Frosch Z, Ho C, Smith S, Winter A, Landsburg D, Furqan F, Hamadani M, Baird K, Romancik J, Alharthy H, Law J, Bojanini L, Advani R, Hu B, Johnson P, Grover N, Merril M, Crombie J, Shafagati N, Sterling C, Nastoupil L, Epperla N, Ayers E. Loncastuximab in high-risk and heavily pretreated relapsed / refractory diffuse large B-cell lymphoma: a real-world analysis from 21 US centers. Haematologica 2024, 0. PMID: 39540227, DOI: 10.3324/haematol.2024.285977.Peer-Reviewed Original ResearchLOTIS-2Overall response rateOverall survivalAntibody drug conjugatesBulky diseaseComplete responseRefractory diffuse large B-cell lymphomaUS centersDiffuse large B-cell lymphomaLarge B-cell lymphomaEvaluate outcomes of patientsHigh riskResponse rateB-cell histologyR/R DLBCL patientsPre-treated patientsB-cell lymphomaOutcomes of patientsProportion of patientsRetrospective cohort studyCell of originDLBCL patientsReal-world settingsRetrospective studyReal-world analysisImmunotherapy utilization patterns in patients with advanced cancer and autoimmune disease
Li H, Huntington S, Gross C, Wang S. Immunotherapy utilization patterns in patients with advanced cancer and autoimmune disease. PLOS ONE 2024, 19: e0300789. PMID: 38625861, PMCID: PMC11020359, DOI: 10.1371/journal.pone.0300789.Peer-Reviewed Original ResearchConceptsAutoimmune diseasesImmunotherapy cycleFirst-lineNon-small cell lung cancerAdvanced cancerFirst-line immunotherapyOverall treatment toleranceCell lung cancerRenal cell carcinomaRetrospective cohort studyAssociated with lower oddsAdvanced melanomaCell carcinomaTreatment toleranceAbsolute contraindicationImmunotherapyConsensus guidelinesImprove cancer survivalLung cancerCohort studyClinical variablesCancer patientsAcademic centersPatientsIncidence rate
2023
Healthcare Resource Utilization and Costs Among Newly Diagnosed and Relapsed/Refractory Acute Myeloid Leukemia (AML) Patients: A Retrospective Cohort Study Using Contemporary US Claims
Huntington S, Chang H, Fu A, Loefgren C, Lu X. Healthcare Resource Utilization and Costs Among Newly Diagnosed and Relapsed/Refractory Acute Myeloid Leukemia (AML) Patients: A Retrospective Cohort Study Using Contemporary US Claims. Blood 2023, 142: 2348. DOI: 10.1182/blood-2023-181909.Peer-Reviewed Original ResearchHematopoietic stem cell transplantationHealthcare resource utilizationAcute myeloid leukemia patientsRetrospective cohort studyIndex dateMyeloid leukemia patientsAML patientsAML diagnosisR patientsDiagnosis codesEconomic burdenPPPM costsCohort studyContinuous enrollmentND patientsLeukemia patientsMedical costsLarge US administrative claims databaseRefractory acute myeloid leukemia patientsHigher healthcare resource utilizationUS administrative claims databaseMore outpatient encountersNon-HSCT patientsNon-transplant recipientsOlder AML patients
2021
Racial, ethnic, and socioeconomic disparities in treatment outcomes in patients (pts) with diffuse large B-cell lymphoma (DLBCL): A U.S. real-world study using a de-identified electronic health record (EHR)-derived database.
Jin Y, Li J, Mun Y, Masaquel A, Hu S, Biondo J, Huntington S. Racial, ethnic, and socioeconomic disparities in treatment outcomes in patients (pts) with diffuse large B-cell lymphoma (DLBCL): A U.S. real-world study using a de-identified electronic health record (EHR)-derived database. Journal Of Clinical Oncology 2021, 39: e18514-e18514. DOI: 10.1200/jco.2021.39.15_suppl.e18514.Peer-Reviewed Original ResearchDiffuse large B-cell lymphomaOverall survivalBaseline characteristicsTreatment patternsEastern Cooperative Oncology Group scoreHealth outcomesLarge B-cell lymphomaSimilar disease stageRetrospective cohort studyFirst-line therapyBetter overall survivalDays of diagnosisNon-Hodgkin lymphomaRace groupsB-cell lymphomaYears of ageReal-world studyDe-identified databaseSignificant differencesElectronic health recordsAdvanced diseaseR-CHOPCohort studyNext therapyMedicaid insuranceOverall survival based on oncologist density in the United States: A retrospective cohort study
Malleshappa S, Giri S, Patel S, Mehta T, Appleman L, Huntington SF, Passero V, Parikh RA, Mehta KD. Overall survival based on oncologist density in the United States: A retrospective cohort study. PLOS ONE 2021, 16: e0250894. PMID: 33979399, PMCID: PMC8115849, DOI: 10.1371/journal.pone.0250894.Peer-Reviewed Original ResearchConceptsRetrospective cohort studyHPSA designationOverall survivalCohort studyMedian survivalPrimary careHealth professional shortage area (HPSA) designationsCare servicesShortage Area DesignationEnd Results (SEER) databaseKaplan-Meier methodMetastatic solid cancersMetastatic solid tumorsAmerican Medical Association MasterfileLog-rank testPrimary care servicesAreas of needPatients' median survivalHealth service availabilityHealth care servicesNumber of oncologistsAdult patientsInferior survivalSurveillance EpidemiologyResults database
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 resultOSIncidence 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 coverageUtilization and Early Discontinuation of First-Line Ibrutinib for Patients with Chronic Lymphocytic Leukemia Treated in the Community Oncology Setting in the United States
Huntington S, Soulos P, Barr P, Jacobs R, Lansigan F, Odejide O, Schwartzberg L, Davidoff A, Gross C. Utilization and Early Discontinuation of First-Line Ibrutinib for Patients with Chronic Lymphocytic Leukemia Treated in the Community Oncology Setting in the United States. Blood 2019, 134: 797. DOI: 10.1182/blood-2019-122054.Peer-Reviewed Original ResearchFirst-line settingChronic lymphocytic leukemiaFlatiron Health databaseECOG performance statusFirst-line treatmentEarly discontinuationMultivariable logistic regressionPerformance statusIbrutinib discontinuationSpeakers bureauClinical trialsCLL diagnosisCLL therapyLymphocytic leukemiaHealth databasesLogistic regressionBruton tyrosine kinase inhibitorsFirst-line ibrutinibUse of ibrutinibWorse performance statusPoor performance statusRetrospective cohort studyCommunity oncology settingClinical decision support toolCommunity oncology practicesImpact of Hydroxyurea on Survival and Risk of Thrombosis Among Older Patients With Essential Thrombocythemia.
Podoltsev NA, Zhu M, Zeidan AM, Wang R, Wang X, Davidoff AJ, Huntington SF, Giri S, Gore SD, Ma X. Impact of Hydroxyurea on Survival and Risk of Thrombosis Among Older Patients With Essential Thrombocythemia. Journal Of The National Comprehensive Cancer Network 2019, 17: 211-219. PMID: 30865915, DOI: 10.6004/jnccn.2018.7095.Peer-Reviewed Original ResearchConceptsImpact of hydroxyureaThrombotic eventsEssential thrombocythemiaEffect of hydroxyureaOlder patientsOverall survivalLower riskMultivariable Cox proportional hazards regression modelsCox proportional hazards regression modelHigh-risk essential thrombocythemiaProportional hazards regression modelsRetrospective cohort studyRisk of deathSEER-Medicare databaseHazards regression modelsRisk of thrombosisHU usersFrontline therapyCohort studyCurrent guidelinesStudy populationPatientsReal-world settingThrombosisOlder adults
2018
The impact of phlebotomy and hydroxyurea on survival and risk of thrombosis among older patients with polycythemia vera
Podoltsev NA, Zhu M, Zeidan AM, Wang R, Wang X, Davidoff AJ, Huntington SF, Giri S, Gore SD, Ma X. The impact of phlebotomy and hydroxyurea on survival and risk of thrombosis among older patients with polycythemia vera. Blood Advances 2018, 2: 2681-2690. PMID: 30333100, PMCID: PMC6199652, DOI: 10.1182/bloodadvances.2018021436.Peer-Reviewed Original ResearchConceptsRisk of thrombosisPV patientsOverall survivalThrombotic eventsMultivariable Cox proportional hazards modelsEnd Results-Medicare databaseHigh-risk PV patientsCox proportional hazards modelOlder adultsImpact of phlebotomyRetrospective cohort studyPopulation-based studyProportional hazards modelEffect of phlebotomyOutcomes of interestPolycythemia vera patientsContemporary clinical practiceImproved OSCohort studyCytoreductive therapyOlder patientsTherapeutic phlebotomyTreatment modalitiesCurrent guidelinesLower risk
2017
Relationship between Hospital Volume and Inpatient Mortality Among Patients Diagnosed with Thrombotic Thrombocytopenic Purpura (TTP) in the United States
Giri S, Pathak R, Franklin R, Podoltsev N, Huntington S, Mehta K, Zeidan A. Relationship between Hospital Volume and Inpatient Mortality Among Patients Diagnosed with Thrombotic Thrombocytopenic Purpura (TTP) in the United States. Blood 2017, 130: 675. DOI: 10.1182/blood.v130.suppl_1.675.675.Peer-Reviewed Original ResearchThrombotic thrombocytopenic purpuraHospital volumeInpatient mortality rateNationwide Inpatient SampleInpatient mortalityThrombocytopenic purpuraPotential confoundersMortality rateOverall inpatient mortality rateInitiation of plasmapheresisUnique hospital identifiersHigher inpatient mortalityRetrospective cohort studyHigh-volume hospitalsAdjusted odds ratioLogistic regression analysisHierarchical logistic regression analysisTest of trendUnique hospitalizationsHospital mortalityInpatient outcomesHospital courseTotal hospitalizationsVolume hospitalsAdult patientsHealth 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 (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 regimensPhysician volume and discontinuation of rituximab during lymphoma treatment.
Huntington S, Long J, Hoag J, Wang R, Zeidan A, Giri S, Gore S, Ma X, Gross C, Davidoff A. Physician volume and discontinuation of rituximab during lymphoma treatment. Journal Of Clinical Oncology 2017, 35: 6593-6593. DOI: 10.1200/jco.2017.35.15_suppl.6593.Peer-Reviewed Original ResearchNon-Hodgkin lymphomaEarly discontinuationRituximab discontinuationPhysician volumeProvider volumeEnd Results-Medicare dataB-cell non-Hodgkin lymphomaCell non-Hodgkin lymphomaCox proportional hazards modelDiscontinuation of rituximabSevere infusion reactionsRetrospective cohort studyImpact of discontinuationDays of initiationProportional hazards modelDose-dependent mannerRituximab cyclesRituximab initiationInfusion reactionsOverall survivalCohort studyPrimary outcomeSystemic treatmentLymphoma treatmentRelative risk
2016
Hypomethylating Agent Therapy and Survival Among Older Patients with Chronic Myelomonocytic Leukemia in the United States: A Large Population-Based Study
Zeidan A, Hu X, Long J, Wang R, Huntington S, Podoltsev N, Gore S, Ma X, Davidoff A. Hypomethylating Agent Therapy and Survival Among Older Patients with Chronic Myelomonocytic Leukemia in the United States: A Large Population-Based Study. Blood 2016, 128: 394. DOI: 10.1182/blood.v128.22.394.394.Peer-Reviewed Original ResearchChronic myelomonocytic leukemiaMyelodysplastic syndromeSurvival benefitHigh-risk myelodysplastic syndromeDemonstrated survival benefitRetrospective cohort studyRisk myelodysplastic syndromesUse of HMAsAgent azacitidineLack of evidenceCohort studyClinical entityMyelomonocytic leukemiaBiologic evidenceOlder adultsAzacitidineUnited StatesHMAsEnd resultPatientsSyndromeLeukemiaDecitabineEpidemiologyMyelodysplastic Syndromes and Acute Myeloid Leukemia After Radiotherapy for Prostate Cancer: A Population‐Based Study
Wang R, Zeidan AM, Yu JB, Soulos PR, Davidoff AJ, Gore SD, Huntington SF, Gross CP, Ma X. Myelodysplastic Syndromes and Acute Myeloid Leukemia After Radiotherapy for Prostate Cancer: A Population‐Based Study. The Prostate 2016, 77: 437-445. PMID: 27868212, PMCID: PMC5785924, DOI: 10.1002/pros.23281.Peer-Reviewed Original ResearchConceptsMDS/acute myeloid leukemiaAcute myeloid leukemiaProstate cancer patientsElderly prostate cancer patientsImpact of radiotherapyCancer patientsMyelodysplastic syndromeNational Cancer Institute's SurveillanceSubsequent myelodysplastic syndromeEnd Results-MedicareRetrospective cohort studyRole of radiotherapyInformed treatment decisionsUnderwent radiotherapyIMRT groupCohort studyPatient characteristicsMedian timeMyeloid leukemiaProstate cancerTreatment decisionsPatientsRadiotherapyMyeloid malignanciesSurgery
2015
Comparative Effectiveness of Azacitidine Versus Decitabine Among Older Adults Diagnosed with Higher-Risk Myelodysplastic Syndromes (HR-MDS)
Zeidan A, Long J, Hall J, Wang R, Huntington S, Abel G, Prebet T, Podoltsev N, Gross C, Gore S, Ma X, Davidoff A. Comparative Effectiveness of Azacitidine Versus Decitabine Among Older Adults Diagnosed with Higher-Risk Myelodysplastic Syndromes (HR-MDS). Blood 2015, 126: 3285. DOI: 10.1182/blood.v126.23.3285.3285.Peer-Reviewed Original ResearchHigh-risk myelodysplastic syndromeHR-MDS patientsKaplan-Meier survival curvesEnd of studyHMA initiationMedian OSClinical trialsComorbidity countHazard ratioHigh school educationClinical practiceMultivariate Cox proportional hazards modelSurvival curvesEnd Results-Medicare databaseMedian household incomeRandomized phase III trialReal-world clinical practiceCox proportional hazards modelOlder MDS patientsDisability Status ScoreRetrospective cohort studyOverall survival advantagePhase III trialsYear of diagnosisErythropoiesis-stimulating agents