2024
Real‐world analysis of adverse event rates after initiation of ibrutinib among Medicare beneficiaries with chronic lymphocytic leukemia
Huntington S, de Nigris E, Puckett J, Kamal‐Bahl S, Farooqui M, Ryland K, Sarpong E, Leng S, Yang X, Doshi J. Real‐world analysis of adverse event rates after initiation of ibrutinib among Medicare beneficiaries with chronic lymphocytic leukemia. Cancer Medicine 2024, 13: e6953. PMID: 38348963, PMCID: PMC10832339, DOI: 10.1002/cam4.6953.Peer-Reviewed Original ResearchConceptsChronic lymphocytic leukemiaRate of adverse eventsIncidence rate of adverse eventsAdverse eventsPatient-monthsLymphocytic leukemiaIncidence ratePatients treated with ibrutinibTreatment of chronic lymphocytic leukemiaStandard-of-care therapyNon-discontinuationInitiation of ibrutinibBTK inhibitor ibrutinibAdverse event ratesPotential side effectsInhibitor ibrutinibMedicare beneficiariesReal-world analysisAtrial fibrillationFollow-upIbrutinibSide effectsReal-world outcomesEvent ratesLeukemia
2023
Ibrutinib discontinuation and associated factors in a real-world national sample of elderly Medicare beneficiaries with chronic lymphocytic leukemia
Huntington S, de Nigris E, Puckett J, Kamal-Bahl S, Farooqui M, Ryland K, Sarpong E, Leng S, Yang X, Doshi J. Ibrutinib discontinuation and associated factors in a real-world national sample of elderly Medicare beneficiaries with chronic lymphocytic leukemia. Leukemia & Lymphoma 2023, 64: 2286-2295. PMID: 37870435, DOI: 10.1080/10428194.2023.2256911.Peer-Reviewed Original ResearchMeSH KeywordsAdenineAgedHumansLeukemia, Lymphocytic, Chronic, B-CellMedicarePiperidinesUnited StatesConceptsChronic lymphocytic leukemiaIbrutinib discontinuationLymphocytic leukemiaHalf of patientsMonths of initiationElderly Medicare beneficiariesLarge unmet needPart D low-income subsidyLow-income subsidyCardiovascular comorbiditiesElderly patientsReal-world practiceIbrutinib treatmentLymphocytic lymphomaAdvanced ageClinical trialsMedical CenterMedicare claimsDiscontinuationHigh riskMedicare beneficiariesUnmet needPatientsLeukemiaTwo-thirdsReal-world adherence and discontinuation among Medicare beneficiaries initiating venetoclax vs. BTKis in relapsed/refractory chronic lymphocytic leukemia
Huntington S, Manzoor B, Puckett J, Kamal-Bahl S, Alhasani H, Ravelo A, Jawaid D, Doshi J. Real-world adherence and discontinuation among Medicare beneficiaries initiating venetoclax vs. BTKis in relapsed/refractory chronic lymphocytic leukemia. Leukemia & Lymphoma 2023, 64: 2316-2323. PMID: 37732602, DOI: 10.1080/10428194.2023.2255326.Peer-Reviewed Original ResearchConceptsChronic lymphocytic leukemiaReal-world adherenceRefractory chronic lymphocytic leukemiaTyrosine kinase inhibitorsLymphocytic leukemiaB-cell lymphoma-2 inhibitorBruton tyrosine kinase inhibitorsNovel oral agentsClinical trial dataOral agentsClinical characteristicsElderly patientsTreatment landscapeTreatment initiationReal-world findingsHigh adherenceMedicare beneficiariesLower discontinuationTrial dataDiscontinuationPatientsOlder adultsKinase inhibitorsAdherenceLeukemiaStatin 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 subgroupAssessing unmet need among elderly Medicare Beneficiaries with Mantle cell lymphoma: an analysis of treatment patterns, survival, healthcare resource utilization, and costs
Squires P, Puckett J, Ryland K, Kamal-Bahl S, Raut M, Doshi J, Huntington S. Assessing unmet need among elderly Medicare Beneficiaries with Mantle cell lymphoma: an analysis of treatment patterns, survival, healthcare resource utilization, and costs. Leukemia & Lymphoma 2023, 64: 1752-1770. PMID: 37497877, DOI: 10.1080/10428194.2023.2234525.Peer-Reviewed Original ResearchConceptsHealthcare resource utilizationMantle cell lymphomaElderly patientsTreatment patternsCell lymphomaUnmet needLater linesNational Medicare claimsHalf of patientsHealth care utilizationElderly Medicare beneficiariesLarge unmet needReal-world outcomesCause hospitalizationOverall survivalCare utilizationHospitalization ratesNovel therapiesMedicare claimsL regimenHealthcare costsMedicare beneficiariesL treatmentPatientsLymphomaOlder 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 accessFunctional status and therapy for older adults with diffuse large B‐cell lymphoma in nursing homes: A population‐based study
Di M, Keeney T, Belanger E, Huntington S, Olszewski A, Panagiotou O. Functional status and therapy for older adults with diffuse large B‐cell lymphoma in nursing homes: A population‐based study. Journal Of The American Geriatrics Society 2023, 71: 2239-2249. PMID: 36882865, PMCID: PMC10483014, DOI: 10.1111/jgs.18302.Peer-Reviewed Original ResearchConceptsDiffuse large B-cell lymphomaLarge B-cell lymphomaCommunity-dwelling patientsB-cell lymphomaOverall survivalNH patientsCognitive impairmentOdds ratioEnd Results-Medicare databaseAnthracycline-containing regimensDays of diagnosisPopulation-based studyMultivariable logistic regressionPoor overall survivalConfidence intervalsHigh-risk populationAlternative treatment strategiesNursing home careOlder patientsNH residentsFunctional statusPatient preferencesChemoimmunotherapyTreatment strategiesCell lymphoma
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 adultsAnemia
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 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 differences
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 resultOSAssociation 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 survivalSurvivalSyndromeRBC 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 oddsTransfusionPatients
2018
Costs of relapsed diffuse large B-cell lymphoma among Medicare patients
Huntington S, Keshishian A, McGuire M, Xie L, Baser O. Costs of relapsed diffuse large B-cell lymphoma among Medicare patients. Leukemia & Lymphoma 2018, 59: 2880-2887. PMID: 29936866, DOI: 10.1080/10428194.2018.1459613.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAntineoplastic Agents, ImmunologicalAntineoplastic Combined Chemotherapy ProtocolsCost of IllnessFemaleHealth Care CostsHospitalizationHumansInsurance Claim ReviewLymphoma, Large B-Cell, DiffuseMaleMedicareNeoplasm Recurrence, LocalRetrospective StudiesTreatment OutcomeUnited StatesConceptsDiffuse large B-cell lymphomaHealth care costsLarge B-cell lymphomaFirst-line treatmentB-cell lymphomaCare costsHealth care expendituresCare expendituresHigher health care costsOffice visit costsSecond-line therapyFirst-line therapyHigher medical costsLikelihood of relapseRelapsed cohortMedicare patientsMedicare claimsMedical costsVisit costsPropensity scoreOlder adultsPatientsLymphomaTherapyTreatmentReal-world treatment and outcomes among older adults with chronic lymphocytic leukemia before the novel agents era
Mato A, Jahnke J, Li P, Mehra M, Ladage VP, Mahler M, Huntington S, Doshi JA. Real-world treatment and outcomes among older adults with chronic lymphocytic leukemia before the novel agents era. Haematologica 2018, 103: e462-e465. PMID: 29700170, PMCID: PMC6165790, DOI: 10.3324/haematol.2017.185868.Peer-Reviewed Original Research
2017
Health 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
2016
High-Cost, High-Value Oral Specialty Drugs: More Evidence on the Impact of Cost Sharing in Medicare Part D
Huntington SF, Davidoff AJ. High-Cost, High-Value Oral Specialty Drugs: More Evidence on the Impact of Cost Sharing in Medicare Part D. Journal Of Clinical Oncology 2016, 34: 4307-4309. PMID: 27998230, DOI: 10.1200/jco.2016.70.2738.Peer-Reviewed Original Research